® CONDENSING GAS BOILER 70/110/155 Boiler Manual • Installation • Maintenance • Startup • Parts This manual must only be used by a qualified heating installer/service technician. Read all instructions, including this manual and all other information shipped with the boiler, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death or substantial property damage.
® gas-fired water boiler — 70/110/155 Boiler Manual Contents The Evergreen® Gas-fired water boilers. . . . . . . . Please read before proceeding . . . . . . . . . . . . Boiler location . . . . . . . . . . . . . . . . . . . . . Prepare boiler location . . . . . . . . . . . . . . . . . Wall-mounting the boiler. . . . . . . . . . . . . . . . Boiler hydrostatic test . . . . . . . . . . . . . . . . . Converting boiler to propane — EVG 70. . . . . . . . Converting boiler to propane — EVG 110 . . . . . . .
® gas-fired water boiler — 70/110/155 Boiler Manual The Evergreen® Gas-fired water boilers 1. Stainless steel firetube heat exchanger 2. Heat exchanger access cover/burner mounting plate 3. Blower The advanced blower design and air inlet silencer on Evergreen® boilers result in very quiet operation.
® gas-fired water boiler — 70/110/155 Boiler Manual The EVG-70 Gas-fired water boilers &7( *OUFSJPS B D TPNF DPNQPOFOUT PNJUUFE GPS DMBSJUZ C &WFSHSFFO 'SPOU &WFSHSFFO &WFSHSFFO 5PQ #PUUPN D B C (9* 4 Part number 550-100-191/0917
® gas-fired water boiler — 70/110/155 Boiler Manual The EVG-110 Gas-fired water boilers B D C &7( *OUFSJPS TPNF DPNQPOFOUT PNJUUFE GPS DMBSJUZ (9* Part number 550-100-191/0917 5
® gas-fired water boiler — 70/110/155 Boiler Manual The EVG-155 Gas-fired water boilers B D C &7( *OUFSJPS TPNF DPNQPOFOUT PNJUUFE GPS DMBSJUZ (9* 6 Part number 550-100-191/0917
® gas-fired water boiler — 70/110/155 Boiler Manual Please read before proceeding Installer— Read all instructions, including this manual and all other information shipped with the boiler, before installing. Perform steps in the order given. User — This manual is for use only by a qualified heating installer/service technician. Refer to User’s Information Manual for your reference. User — Have this boiler serviced/inspected by a qualified service technician, at least annually.
® gas-fired water boiler — 70/110/155 Boiler Manual Boiler location Installations must comply with: Residential garage installation • Precautions • • • • Local, state, provincial, and national codes, laws, regulations and ordinances. National Fuel Gas Code, ANSI Z223.1/NFPA 54 - latest edition. National Electrical Code ANSI/NFPA 70 – latest edition. Electrical installation and grounding must be in accordance with CSA C22.1, Part 1, Canadian Electrical Code, and/or local codes.
® gas-fired water boiler — 70/110/155 Boiler Manual Boiler location (continued) Provide clearances for service access — RECOMMENDED Provide clearances from combustible materials — REQUIRED 1. See Figure 1 for recommended service clearances. 2. If you do not provide minimum service clearances shown, it might not be possible to service the boiler without removing it from the space. 3. Clearance D, Figure 1 allows for the installation of piping as shown in Figure 8, page 12 plus a close nipple and elbow.
® gas-fired water boiler — 70/110/155 Boiler Manual Prepare boiler location Flooring and foundation Wall-mounting the boiler (continued) The operating weights for Evergreen® boilers are: Flooring Without Stand 1. The boiler is approved for installation on combustible flooring, but must never be installed on carpeting. Do not install boiler on carpeting even if foundation is used. Fire can result, causing severe personal injury, death or substantial property damage.
® gas-fired water boiler — 70/110/155 Boiler Manual Wall-mounting the boiler (continued) Verify that the studs are suitable for carrying a wallmounted load. Some metal studs are not designed for this purpose. 4. If the mounting wall has exposed studs, installer must provide a backer board to mount boiler. Boiler cannot be leveled without a backing surface. 5. Mount the boiler on the wall following these instructions. The boiler mounting studs must engage with the wall-mount bracket.
® gas-fired water boiler — 70/110/155 Boiler Manual Wall-mounting the boiler (continued) Figure 6 Floor Stand Assembly Floor Standing The boiler is heavy, and requires two people to lift and place upright. Use caution not to drop the boiler or cause bodily injury while lifting and handling. Wear non-slip gloves to prevent possibility of cuts from sheet metal edges. After the boiler is removed from the shipping carton, DO NOT allow the boiler to sit on its bottom, before stand is installed.
® gas-fired water boiler — 70/110/155 Boiler Manual Boiler hydrostatic test DO NOT install a relief valve with a pressure higher than 30 PSIG. This is the maximum allowable relief valve setting for the boiler. Failure to comply could prevent the relief valve from operating as needed, resulting in possibility of severe personal injury, death or substantial property damage. Use two wrenches when tightening any pipe connection to the boiler.
® gas-fired water boiler — 70/110/155 Boiler Manual Boiler hydrostatic test (continued) Figure 8 Figure 9 Install pipe fittings for relief valve and pressure/temperature gauge — DO Install piping components required for hydrostatic test (see legend below) NOT mount relief valve until AFTER hydrostatic testing (see legend below) (155 only) 1 B B C 3 Piping to system Recommended but not included 2 C Piping from system 11 (9 (9* (155 only) (9* D 1 Boil
® gas-fired water boiler — 70/110/155 Boiler Manual Converting boiler to propane — EVG 70 Prepare boiler for propane — EVG 70 only (if required) Figure 10 Propane gas orifice identification EVG 70 (may be stamped 3.75) Propane operation ALL Evergreen® boilers must be converted for propane operation. Converting an existing natural gas-fired boiler for propane — For a boiler already installed, you must turn off gas supply, turn off power and allow boiler to cool before proceeding.
® gas-fired water boiler — 70/110/155 Boiler Manual Converting boiler to propane — EVG 70 (continued) Figure 12 Installing the propane gas orifice (some details omitted for clarity) 7. See Figure 12. Insert the propane gas orifice (item 4) into the gas valve outlet as shown. 8. Press the orifice into the gas valve outlet until the bushing flange butts against the gas valve outlet. Inspect the O-rings on the propane gas orifice an on the gas valve outlet (item 5, Figure 12).
® gas-fired water boiler — 70/110/155 Boiler Manual Converting boiler to propane — EVG 110 Prepare boiler for propane — EVG 110 only (if required) Figure 13 Propane gas orifice identification EVG 110 (may be stamped 3.7 only) Propane operation ALL Evergreen® boilers must be converted for propane operation. Converting an existing natural gas-fired boiler for propane — For a boiler already installed, you must turn off gas supply, turn off power and allow boiler to cool before proceeding.
® gas-fired water boiler — 70/110/155 Boiler Manual Converting boiler to propane — EVG 110 (continued) Figure 15 EVG-110 -Installing the propane gas orifice (some details omitted for clarity) 7. See Figure 15, Carefully pull the gas valve down until it is free of the venturi. Securely support the gas valve — DO NOT leave it dangling. 8. Remove the rubber boot from the gas valve or venturi. 9. Insert the propane gas orifice into the rubber boot.
® gas-fired water boiler — 70/110/155 Boiler Manual Converting boiler to propane — EVG 155 Prepare boiler for propane — EVG 155 only (if required) Propane operation Figure 16 Propane gas orifice identification EVG 155 ALL Evergreen® boilers must be converted for propane operation. Converting an existing natural gas-fired boiler for propane — For a boiler already installed, you must turn off gas supply, turn off power and allow boiler to cool before proceeding.
® gas-fired water boiler — 70/110/155 Boiler Manual Converting boiler to propane — EVG 155 (continued) Figure 17 Installing the propane gas orifice (some details omitted for clarity) LEGEND for Figure 17 and Figure 18 1 Venturi (leave venturi attached to blower) 2 (3) hex-head screws, 5 mm hex (remove and retain) 3 Gas valve 4 Air silencer (leave connected to venturi) 5 Flexible gas line 6 Gas line to silencer bracket (rotate forward before disconnecting gas valve from venturi 7 Propane orific
® gas-fired water boiler — 70/110/155 Boiler Manual Gas piping — sizing gas lines Boiler gas connection is ½" NPT. Size gas lines large enough to provide gas to all connected appliances. Figure 19 Pipe capacity for 0.60 specific gravity natural gas; pipe length is in equivalent feet. Natural Gas: Pipe sizing for natural gas 1. Size gas piping from meter outlet to entrance of boiler in accordance with Figure 19 and Figure 20. 2. Use total input of all connected appliances.
® gas-fired water boiler — 70/110/155 Boiler Manual Venting/air piping — general Any improper operation of the common venting system should be corrected so the installation conforms with the National Fuel Gas Code, ANSI Z223.1/NFPA 54- latest edition, and/or the Natural Gas and Propane Installation Code, CAN/CSA B149.1.
® gas-fired water boiler — 70/110/155 Boiler Manual Venting & air — general (continued) Figure 22 Evergreen® venting and air piping — DIRECT VENT ONLY — OPTIONS and PIPING LIMITS The table below lists the acceptable vent/air pipe terminations described in this manual. Follow all instructions provided to install the vent/air system. NOT SHOWN below, but also approved, are the polypropylene piping and terminations listed in Figure 23, page 24.
® gas-fired water boiler — 70/110/155 Boiler Manual Venting & air — general (continued) Figure 23 Vent and air piping materials — Use only the materials listed below, ensuring that all materials meet local codes (see Figure 110, page 127 for part/kit numbers) Item Material PVC & ABS pipe cement & primer Polypropylene vent pipe, fittings, terminations and cement United States Canada (Note 2) Vent or air piping Vent piping PVC schedule 40 ANSI/ASTM D1785 ULC S636 PVC-DWV schedule 40 (Note 1) ANSI
® gas-fired water boiler — 70/110/155 Boiler Manual Commonwealth of Massachusetts installations Commonwealth of Massachusetts — When the boiler is installed within the Commonwealth of Massachusetts, the boiler must be installed by a licensed plumber or gas fitter. Read and comply with the instructions below.
® gas-fired water boiler — 70/110/155 Boiler Manual Vent termination requirements Figure 24 The vent termination must be located to meet all requirements below (also applies to vertical vent terminations). The minimum distance from adjacent public walkways, adjacent buildings, openable windows and building in the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and/or the Natural Gas and Propane Installation Code, CAN/CSA B149.1. The vent termination clearances below are for U.S.A.
® gas-fired water boiler — 70/110/155 Boiler Manual Boiler room air openings Figure 25 Combustion and ventilation air openings for Direct Vent installations, also follow the National Fuel Gas Code, ANSI Z223.1/NFPA 54 - latest edition, and/or Natural Gas and Propane Installation Code, CAN/CSA B149.1 or applicable provisions of the local building codes.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Sidewall with separate pipes Allowable vent/air pipe materials & lengths Figure 26 INSTALLATION SEQUENCE — Separate pipes sidewall Use only the vent materials and kits listed in Figure 23, page 24. Provide pipe adapters if specified. 1. Locate the termination such that the total air piping and vent piping from the boiler to the termination will not exceed the maximum length given in Figure 22, page 23.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Sidewall with separate pipes (continued) See notices on previous page. Figure 27 Multiple separate pipes sidewall terminations — maintain vertical spacing between vent and air fittings shown in Figure 26, page 28 2. Place wall penetrations to obtain minimum clearances shown in Figure 27 for U. S. installations. For Canadian installations, provide clearances required by CSA B149.1 or B149.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Sidewall concentric Allowable vent/air pipe materials & lengths Figure 29 INSTALLATION SEQUENCE — Concentric horizontal 1. The concentric termination kit must be purchased separately. Use only the vent materials and kits listed in Figure 23, page 24. Provide pipe adapters if specified. 2.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Sidewall concentric (continued) See notices on previous page. Figure 30 Termination location — concentric termination — multiple boilers — clearance from vent of one to air intake of the next Install termination — concentric pipes 1. Assemble the vent termination as described for concentric terminations, on page 38. If necessary, you can shorten the lengths of the inner and outer pipes for a shorter finished assembly.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Sidewall with W-M vent/air plate Allowable vent/air pipe materials & lengths Figure 32 INSTALLATION — W-M sidewall vent/air plate Use only the vent materials and kits listed in Figure 23, page 24. Provide pipe adapters if specified. 1. Locate the termination such that the total air piping and vent piping from the boiler to the termination will not exceed the maximum length given in Figure 22, page 23.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Sidewall with W-M vent/air plate (continued) Vent/air pipes and W-M vent/air plate can be oriented in any of the configurations shown in Figure 32, page 32. Install Weil-McLain vent/air cap ADAPTERS — Use adapters if using other than 3-inch PVC or CPVC. This is required for different materials (polypropylene or AL29-4C stainless steel) or if using 2-inch pipe.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Vertical with separate pipes Allowable vent/air pipe materials & lengths Figure 36 Separate pipes vertical termination Use only the vent materials and kits listed in Figure 23, page 24. Provide pipe adapters if specified. 1. Locate the terminations such that the total air piping and vent piping from the boiler to the termination will not exceed the maximum length given in Figure 22, page 23.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Vertical with separate pipes (continued) See notices on previous page. Figure 37 Terminations for multiple boilers Prepare roof penetrations 1. Air pipe penetration: a. Cut a hole for the air pipe. Size the air pipe hole as close as desired to the air pipe outside diameter. 2. Vent pipe penetration: a. Cut a hole for the vent pipe. For either combustible or noncombustible construction, size the vent pipe hole at least 0.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Vertical concentric Allowable vent/air pipe materials & lengths Figure 38 INSTALLATION SEQUENCE — Concentric vertical 1. The concentric termination kit must be purchased separately. Use only the vent materials and kits listed in Figure 23, page 24. Provide pipe adapters if specified. 2.
® gas-fired water boiler — 70/110/155 Boiler Manual DIRECT VENT — Vertical concentric (continued) See notices on previous page. Figure 39 Vertical termination — 3" PVC concentric — single or multiple boilers 2. Place roof penetrations to obtain minimum clearance of 12 inches between the edges of adjacent vent pipes of other boilers for U. S. installations (see Figure 39). 3. For Canadian installations, provide clearances required by CSA B149.1 or B149.
® gas-fired water boiler — 70/110/155 Boiler Manual Concentric termination, typical Figure 41 PVC concentric termination assembly — DO NOT attach the rain cap until the termination has been inserted through the roof or wall and all supports have been installed. See LEGEND at right. See kit instructions for details of polypropylene kits.
® gas-fired water boiler — 70/110/155 Boiler Manual Vent and air piping and boiler connections Follow termination instructions Figure 42 Boiler vent and air connections 1. Read and follow all instructions for the termination type used before proceeding with this page. Follow all instructions provided by vent pipe manufacturer. Use only materials from the manufacturers listed in Figure 23, page 24.
® gas-fired water boiler — 70/110/155 Boiler Manual Install water piping Use two wrenches when tightening water piping at boiler, using one of the wrenches to prevent the boiler interior piping from turning. Failure to support the boiler piping connections to prevent them from turning could cause damage to boiler components. General piping information 3. When required, use a low water cutoff designed for water installations. Electrode probe-type is recommended.
® gas-fired water boiler — 70/110/155 Boiler Manual Direct Connect System Piping - Single Boiler System Primary/secondary piping to boiler If replacing included circulator with replacement Taco 00e model, replace only with Taco Model VR1816 circulator. Set VR1816 to match boiler size below: EVG 70: Constant Pressure 10 EVG 110: Constant Pressure 10 EVG 155: Max Using primary/secondary piping will provide the most efficient and reliable operation of the boiler and the heating system. 1.
® gas-fired water boiler — 70/110/155 Boiler Manual Direct Connect System Piping - Single Boiler System (continued) Closed-type expansion tank: Figure 45 Piping to diaphragm- (or bladder-) type expansion tank DO NOT use a closed-type tank if connecting to a water heater that is equipped with an automatic air vent. Figure 47 shows suggested piping when using a closed-type expansion tank, in which the air is directly in contact with tank water.
® gas-fired water boiler — 70/110/155 Boiler Manual Direct Connect System Piping - Single Boiler System (continued) Figure 47 Piping to closed-type expansion tank Examples: Consider a system loop for a system with total heating input equal to 210,000 Btuh. The desired temperature drop through the system piping is 20°F. Then the required flow rate is: 210,000 FLOW = —–—–—–—– = 21 gpm 20 x 500 SIMPLIFIED: For 20° temperature drop, FLOW = MBH / 10. System circulator head requirement 1.
® gas-fired water boiler — 70/110/155 Boiler Manual Direct Connect System Piping - Single Boiler System (continued) ZONE VALVE zoning – direct connection Figure 48 EVG 70/110/155 Zone valve zoning direct connection (system circulator provides flow for system) (Shown with optional DHW piping) See Figure 48. 1. This configuration is for zone valve systems that qualify to use direct connection piping based on the criteria on page 41 only. If system does not qualify, pipe using primary/secondary piping.
® gas-fired water boiler — 70/110/155 Boiler Manual Primary/Secondary System Piping - Single Boiler System See Advanced Manual for Multiple Boiler Systems Expansion tank location Figure 49 Piping to diaphragm (or bladder) expansion tank Figure 49 and Figure 50 show typical installation of the system expansion tank. It is highly recommended that you locate the air separator and expansion tank as shown in the suggested piping drawings on pages 49-51.
® gas-fired water boiler — 70/110/155 Boiler Manual Primary/Secondary System Piping - Single Boiler System (continued) See Advanced Manual for Multiple Boiler Systems Closed-type expansion tank Figure 50 Piping to closed-type expansion tank DO NOT use a closed-type tank if connecting to a water heater that is equipped with an automatic air vent. Figure 50 shows suggested piping when using a closed-type expansion tank, in which the air is directly in contact with tank water.
® gas-fired water boiler — 70/110/155 Boiler Manual Primary/Secondary System Piping - Single Boiler System (continued) See Advanced Manual for Multiple Boiler Systems System water piping methods Figure 52 Estimated head loss of boiler loop piping and recommended circulators. Near boiler piping 8 2. Select a boiler loop temperature rise from Figure 51. The table indicates the flow and head loss characteristics at that temperature rise.
® gas-fired water boiler — 70/110/155 Boiler Manual Primary/Secondary System Piping - Single Boiler System (continued) See Advanced Manual for Multiple Boiler Systems System circulators and zone circulators Install relief valve 1. 1. Install relief valve in 1 " x 1 " x ¾" (for 70/110) or 1 ¼" x 1 ¼" x ¾" (for 155) reducing tee piped from boiler supply piping tee (Figure 8, page 14). 2. Pipe the relief valve only as shown, in the location shown. 3.
® gas-fired water boiler — 70/110/155 Boiler Manual Primary/Secondary System Piping - Single Boiler System (continued) See Advanced Manual for Multiple Boiler Systems ZONE VALVE zoning – primary/ secondary Figure 53 Zone valve zoning — primary/secondary connection — a system circulator is required (Shown with optional DHW piping) See Figure 53. 1. This configuration is for zone valve systems using a boiler loop connected as a secondary circuit off of a primary system loop.
® gas-fired water boiler — 70/110/155 Boiler Manual Primary/Secondary System piping (continued) Circulator zoning – primary/secondary Figure 54 Circulator zoning plus optional DHW piping (Shown with optional DHW piping) See Figure 54. 1. This configuration is for circulator-zoned systems using a boiler loop connected as a secondary circuit off of a primary system loop. Systems zoned with circulators must pipe the boiler loop as a secondary circuit as show. 2.
® gas-fired water boiler — 70/110/155 Boiler Manual Primary/Secondary System piping Circulator zoning – Multiple temperature zones with primary/ (continued) Figure 55 Circulator zoning with high- and low-temperature heating zones secondary (Shown with optional DHW piping) See Figure 55. 1. This configuration is for circulator-zoned systems with high- and low-temperature heating zones using a boiler loop connected as a secondary circuit off of a primary system loop.
® gas-fired water boiler — 70/110/155 Boiler Manual Install condensate line Prepare condensate trap assembly 1. Remove the condensate trap kit from the accessories bag. 2. See Figure 56. The left image shows the complete condensate trap kit. 3. Remove the flexible drain tube nut, item 2. 4. Push the flexible tube gasket ring (item 3) onto the end of the flexible tube (item 1) as shown in Figure 56. The tube should extend through the gasket about ¼ inch. 5.
® gas-fired water boiler — 70/110/155 Boiler Manual Gas piping Evergreen® boilers are shipped ready to operate on natural gas ONLY. You must install the propane orifice if the boiler will be connected to propane. See page 15 . Failure to comply could result in severe personal injury, death or substantial property damage. Connecting gas supply piping Use two wrenches when tightening gas piping at boiler, using one wrench to prevent the boiler gas line connection from turning.
® gas-fired water boiler — 70/110/155 Boiler Manual Field wiring Wiring must be N.E.C. Class 1. If original wiring as supplied with boiler must be replaced, use only type 105 °C wire or equivalent. Boiler must be electrically grounded as required by National Electrical Code ANSI/NFPA 70 – latest edition, and/ or the Canadian Electrical Code Part I, CSA C22.1, Electrical Code.
® gas-fired water boiler — 70/110/155 Boiler Manual Field wiring (continued) Multiple boiler communication wiring 1. Wires should be shielded thermostat wires, or equivalent. 2. Route wires through top right knockout to communication board on display bracket. 3. Provide strain relief and seal at cabinet entry.
® gas-fired water boiler — 70/110/155 Boiler Manual Field wiring (see wiring diagram, Figure 60, page 62) (continued) A. 120 VAC Power Supply – REQUIRED Terminal Strip P1 (EVG control module) 1. Provide and install a properly-sized, fused disconnect or service switch as required by applicable codes. (15-amp for most cases.) a. Use table at right to determine total load. 2. Connect properly sized 120 VAC power wiring to Evergreen® boiler line voltage terminal block as shown at right. 3.
® gas-fired water boiler — 70/110/155 Boiler Manual Field wiring (see wiring diagram, Figure 60, page 62) (continued) C. 120 VAC to Boiler Circulator – REQUIRED Boiler circulator terminal block to P4 on Control module (terminal block) 1. Provides 120VAC to the boiler circulator at Boiler circulator terminal. 2. Terminals are: 1 (H), 2 (N), 3 (G). 3. Maximum load: 2.0 amps (use relay if circulator load is higher). See WARNING above. 4.
® gas-fired water boiler — 70/110/155 Boiler Manual Field wiring (see wiring diagram, Figure 60, page 62) (continued) E. System supply and return temperature sensors – REQUIRED Terminal Block P14 (EVG control module) 1. Two strap-on temperature sensors are shipped with the boiler. Attach one to the system supply piping and the other to the system return piping. For piping larger than 5 inch diameter or nonmetallic piping, using immersion sensors will provide faster response. 2.
® gas-fired water boiler — 70/110/155 Boiler Manual Field wiring (see wiring diagram, Figure 60, page 62) (continued) To cause AUTOMATIC reset: Terminal Block P13 #3 & #4 (EVG control module) EVG control will reset automatically after circuit is interrupted. 1. Remove factory-installed jumper and connect isolated contacts of external limits across P13 pins 3 and 4 to cause the control to shut down the boiler on limit opening, then automatically restart 150 seconds after the limit closes. 2.
® gas-fired water boiler — 70/110/155 Boiler Manual Field wiring (see wiring diagram, Figure 60, page 62) (continued) K. Proof of closure (flow switch and/or CAD) – see ADVANCED Manual – OPTIONAL Jumper on Terminal Strip P7 (EVG control module) 1. A flow switch or combustion air damper (CAD) interlock can be configured by clipping the jumper on terminal strip P7 and wiring components as shown at right and in the wiring diagram (Figure 60, page 62). 2.
® gas-fired water boiler — 70/110/155 Boiler Manual Field wiring (see wiring diagram, Figure 60, page 62) (continued) M. 0–10 VDC Remote MODULATION input – OPTIONAL Terminal Block P15 #5 & #6 (EVG control module) 1. See illustration at right and Figure 60, page 62 for details. 2. This illustration also shows how to connect TT or end switch contacts at INPUT 2 and INPUT 3 for other uses. 3. Note that using 0–10VDC input replaces INPUT 1 for generating a heat demand.
® gas-fired water boiler — 70/110/155 Boiler Manual Wiring diagram — schematic Figure 60 Schematic wiring diagram (see Figure 61, page 63 for legend and notes) 62 Part number 550-100-191/0917
® gas-fired water boiler — 70/110/155 Boiler Manual Wiring diagram — ladder Figure 61 Ladder wiring diagram (see Figure 60, page 62 for schematic wiring diagram) Part number 550-100-191/0917 63
® gas-fired water boiler — 70/110/155 Boiler Manual Zoning with the EVG Control A. Zoning with CIRCULATORS, suggested applications Three space heating zones (no DHW) 1. Review wiring information on page 56 (120VAC outputs) and page 57 (24VAC inputs). 2. The configuration at right uses the three input/output pairs to receive thermostat inputs on P11-4/5, P15-1/2, and P15-3/4; and circulator outputs on P2 as shown. 3. The factory default settings assign all inputs 1, 2 and 3 to PRIORITY 2. 4.
® gas-fired water boiler — 70/110/155 Boiler Manual Zoning with the EVG Control (continued) B. Zoning with ZONE VALVES, suggested applications Two space heating zones (no DHW) 1. Review wiring information on page 56 (120VAC outputs) and page 57 (24VAC inputs). 2. The configuration at right uses INPUT 2 and 3 for space heating thermostats. INPUT 1 is reserved here for configuring the operation of the system circulator. 3. The factory default settings assign inputs 1, 2 and 3 to PRIORITY 2.
® gas-fired water boiler — 70/110/155 Boiler Manual Evergreen control operation Evergreen control setup 1. Set control parameters using the WIZARD option provided on initial start-up or manually enter parameters using control menus (see Figure 69, page 79 and following pages for information.) 2. See Express setup instructions beginning on page 72 for basic systems and minimum settings required (using factory defaults). 3.
® gas-fired water boiler — 70/110/155 Boiler Manual Evergreen control operation EVG control Priorities & Input/Outputs • • • • • • • For heating installations with multiple systems, the EVG control uses PRIORITIES to determine the order of operation of the systems. The control’s MAX and MIN time settings determine the maximum and minimum times a system will be operated before being turned off to allow another system to operate.
® gas-fired water boiler — 70/110/155 Boiler Manual Evergreen control operation Outdoor reset operation (continued) Figure 63 Outdoor reset operation 1. Set desired temperatures for space heating zones. 2. For an explanation of the target temperatures and associated outdoor temperatures, see Figure 63. 3. The temperature settings discussed below are accessed in the priority menu for the applicable system. For detailed explanations of the priority menus, see Figure 71, page 81. SUPPLY MAX 1.
® gas-fired water boiler — 70/110/155 Boiler Manual Evergreen control operation (continued) Figure 65 Evergreen single boiler essential settings (REQUIRED on initial start-up) — see page 78 for explanation Part number 550-100-191/0917 69
® gas-fired water boiler — 70/110/155 Boiler Manual EVG control settings menus Figure 66 Evergreen control display screens and typical navigation 70 Part number 550-100-191/0917
® gas-fired water boiler — 70/110/155 Boiler Manual Notes Part number 550-100-191/0917 71
® gas-fired water boiler — 70/110/155 Boiler Manual EXPRESS SETUP — Example A Multi-zone SPACE HEATING (Circulators with circulator relays) | DHW (Direct-piped) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe EVG Control settings (IN ORDER OF WIZARD SEQUENCES) personal injury, death or substantial property damage. Incorrect setup or piping can result in severe personal injury, death or substantial property damage.
® gas-fired water boiler — 70/110/155 Boiler Manual EXPRESS SETUP — Example A (continued) Multi-zone SPACE HEATING (Circulators with circulator relays) | DHW (Direct-piped) 1 Evergreen boiler. 2 Indirect water heater, if used (domestic water piping not shown) — MUST be direct piped to boiler to use default control settings. 3 15 Return temperature sensor. 16 Supply temperature sensor. 20 Make-up water supply. 23 DHW Temperature and Pressure relief valve 24 Zone circulators.
® gas-fired water boiler — 70/110/155 Boiler Manual EXPRESS SETUP — Example B 2- or 3- Zone SPACE HEATING (Circulators without circulator relays) | DHW (Direct-piped) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe EVG Control settings (IN ORDER OF WIZARD SEQUENCES) personal injury, death or substantial property damage. Incorrect setup or piping can result in severe personal injury, death or substantial property damage.
® gas-fired water boiler — 70/110/155 Boiler Manual EXPRESS SETUP — Example B (continued) 2- or 3- Zone SPACE HEATING (Circulators without circulator relays) | DHW (Direct-piped) 1 Evergreen boiler. 2 Indirect water heater, if used (domestic water piping not shown) — MUST be direct piped to boiler to use default control settings. 3 15 Return temperature sensor. 16 Supply temperature sensor. 20 Make-up water supply. 23 DHW Temperature and Pressure relief valve 24 Zone circulators.
® gas-fired water boiler — 70/110/155 Boiler Manual EXPRESS SETUP — Example C Multi-zone SPACE HEATING (Zone valves + WMZV controller) | DHW (Direct-piped) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe EVG Control settings (IN ORDER OF WIZARD SEQUENCES) personal injury, death or substantial property damage. Incorrect setup or piping can result in severe personal injury, death or substantial property damage.
® gas-fired water boiler — 70/110/155 Boiler Manual EXPRESS SETUP — Example C (continued) Multi-zone SPACE HEATING (Zone valves + WMZV controller) | DHW (Direct-piped) 1 Evergreen boiler. 2 Indirect water heater, if used (domestic water piping not shown) — MUST be direct piped to boiler to use default control settings. 3 4 Relief valve, supplied with boiler, field piped — MUST be piped to boiler supply connection — see Figure 8, page 14 for information. Relief valve piping to drain.
® gas-fired water boiler — 70/110/155 Boiler Manual Available control settings and system presets Figure 67 Evergreen control settings available in BASIC MODE (see Advanced Manual for ADVANCED MODE settings) Available settings from CONTRACTOR MENU Boiler Settings Menu Priority 2 menu Assign Inputs menu • Boiler Model • Inputs Assigned (non-selectable) Input 1: TT1 • Control Type • System Type • Priority 1, 2 or 3 • High Altitude • Target Mod Sensor (non-selectable) • Source (TT1 or 0-10V) • LP
® gas-fired water boiler — 70/110/155 Boiler Manual CONTRACTOR menus Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. 1. Access contractor menus by pressing and holding the UP and DOWN arrow keys at the same time for 7 seconds. 2. See the following pages for explanations of control setting options.
® gas-fired water boiler — 70/110/155 Boiler Manual BOILER SETTINGS menu, BASIC mode Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. 1. Access contractor menus by pressing and holding the UP and DOWN arrow keys at the same time for 7 seconds. 2. See Figure 69, page 79 for the screen sequences up to the CONTRACTOR menu.
® gas-fired water boiler — 70/110/155 Boiler Manual PRIORITY 1, 2, 3 menus, BASIC mode Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. 1. Access contractor menus by pressing and holding the UP and DOWN arrow keys at the same time for 7 seconds. 2. See Figure 69, page 79 for the screen sequences up to the CONTRACTOR menu.
® gas-fired water boiler — 70/110/155 Boiler Manual ASSIGN INPUTS menu, BASIC mode Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. 1. Access contractor menus by pressing and holding the UP and DOWN arrow keys at the same time for 7 seconds. 2. See Figure 69, page 79 for the screen sequences up to the CONTRACTOR menu.
® gas-fired water boiler — 70/110/155 Boiler Manual ASSIGN INPUTS menu, BASIC mode (continued) Figure 73 AUX PUMP/OUTPUT operation (accessed in ASSIGN INPUTS menu – see Figure 72, page 82) Option Activation conditions Suggested uses • Hot loop for seasonal boilers that are manually shut down at end of season and started up at start of heating season.
® gas-fired water boiler — 70/110/155 Boiler Manual DIAGNOSTIC menu Figure 75 DIAGNOSTICS menu navigation (see Figure 66, page 70 for access information) Menus Next screen Next screen Next screen Next screen Follow information at the bottom of each screen to navigate to next/previous screen or enter/save data DIAGNOSTICS TEMPERATURES STATUS: ########## ### ºF BOILER OUT1: ### ºF BOILER OUT2: ### ºF BOILER IN: ### ºF SYSTEM SUPPLY: INPUTS SYSTEM RETURN: ### ºF FROM SENSOR: ###### FLUE
® gas-fired water boiler — 70/110/155 Boiler Manual DIAGNOSTICS menu (continued) Figure 76 DIAGNOSTICS menu navigation, continued (see Figure 66, page 70 for access information) Menus Next screen Next screen Next screen Next screen Follow information at the bottom of each screen to navigate to next/previous screen or enter/save data DIAGNOSTICS (cont.) NETWORK INPUTS Shows input status of all network boiler inputs. (shows on master boilers only) SOFTWARE VERSIONS PAST ERRORS DISPLAY WM#.
® gas-fired water boiler — 70/110/155 Boiler Manual DIAGNOSTICS menu (continued) Figure 77 DIAGNOSTICS menu details (see Figure 66, page 70 for access information) Menu/Item Comment Temperatures Boiler Out1 Current operating status of the boiler.
® gas-fired water boiler — 70/110/155 Boiler Manual DIAGNOSTICS menu (continued) Figure 78 DIAGNOSTICS menu details (continued) (see Figure 66, page 70 for access information) Menu/Item Comment Run Times Burner Time Rotate Time Input 1 Time Input 2 Time Input 3 Time Network Time Ignition Count Master-Shadow Comm Boiler ID Linked to Master Boilers on Network Requested to Run Type Requested Mod Rate Max Boiler Temp Boiler On Diff Boiler Off Diff Network Boilers ###% ###F ###### ###### # OF # BLR# Displa
® gas-fired water boiler — 70/110/155 Boiler Manual DIAGNOSTICS menu (continued) Figure 79 DIAGNOSTICS menu details (continued) (see Figure 66, page 70 for access information) Menu/Item Fault Type Time Date Status Temperatures Inputs Outputs Lockout History 2 Fault Name Fault Type Time Date Status Temperatures Inputs Outputs Lockout History 3 Fault Name Fault Type Time Date Status Temperatures Inputs Outputs Comment Displays the type of fault that occurred Displays time that lockout occurred Displays da
® gas-fired water boiler — 70/110/155 Boiler Manual MAINTENANCE, DATE AND TIME menus Figure 80 MAINTENANCE, DATE AND TIME menus — navigation (see Figure 66, page 70 for access information) Maintenance Info Comment Name Contractor name to appear in maintenance reminders and during lockouts Phone Model Contractor phone number Displays the boiler model selected in the boiler setup CP Number Enter the CP# of the boiler Installed Last Date Enter the date the boiler was installed Date automatically ent
® gas-fired water boiler — 70/110/155 Boiler Manual Notes 90 Part number 550-100-191/0917
® gas-fired water boiler — 70/110/155 Boiler Manual Startup — fill the system Clean system to remove sediment Antifreeze 1. You must thoroughly flush the system (without boiler connected) to remove sediment. The high-efficiency heat exchanger can be damaged by buildup or corrosion due to sediment. 1. Use only antifreeze listed by Weil-McLain as suitable for use with EVG Gas Boilers. See Figure 110, page 127 for information. 2.
® gas-fired water boiler — 70/110/155 Boiler Manual Startup — fill the system (continued) Freeze protection (if used) Follow these guidelines to prevent possibility of severe personal injury, death or substantial property damage: Use only the products listed by WeilMcLain for use with this boiler. See page 127 for information. Thoroughly flush any system that has used glycol before installing the new EVG boiler. Review the material safety data sheets (MSDS) are available online.
® gas-fired water boiler — 70/110/155 Boiler Manual Startup — final checks Inspect/fill condensate system Check for gas leaks Before starting the boiler, and during initial operation, use a leak detector or smell near the floor and around the boiler for gas odorant or any unusual odor. Remove boiler jacket door and smell the interior of the boiler jacket. Do not proceed with startup if there is any indication of a gas leak. Repair any leak at once.
® gas-fired water boiler — 70/110/155 Boiler Manual Startup — final checks (continued) Final checks before starting boiler ❏ Read the instructions to adjust and set up the control. ❏ Verify that the boiler model is set correctly in the control, and that it displays correctly. ❏ Verify that the boiler and system are full of water and all system components are correctly set for operation. ❏ Verify that condensate trap is filled with water. ❏ Verify electrical connections are correct and securely attached.
® gas-fired water boiler — 70/110/155 Boiler Manual Startup — final checks (continued) Figure 82 Operating instructions (WARNING -Verify that the control is set for the correct boiler model before proceeding.
® gas-fired water boiler — 70/110/155 Boiler Manual Startup — final checks (continued) Adjustment” on page 96 or page 98 to set the throttle screw position. See WARNING on page 96 upper left. If combustion at either high or low fire is outside the range given in Figure 86, page 98, follow the procedure given on page 96 or page 98 for adjusting the throttle screw on the venturi.
® gas-fired water boiler — 70/110/155 Boiler Manual Startup — final checks (continued) Figure 84 EVG 110 Throttle screw (ONLY for use by If combustion at either high or low fire is outside the range given in Figure 86, page 98, follow the procedure given on page 96 or page 98 for adjusting the throttle screw on the venturi. If throttle screw adjustment does not correct the problem, then shut down the boiler and contact your local Weil-McLain representative.
® gas-fired water boiler — 70/110/155 Boiler Manual Startup — final checks (continued) Throttle screw adjustment EVG 155 ONLY 1. 2. 3. 4. DO NOT attempt to adjust the throttle screw unless by a qualified technician, and with the use of calibrated combustion test instruments. Adjust the throttle screw only as needed to meet the combustion values given in Figure 86.
® gas-fired water boiler — 70/110/155 Boiler Manual Check-out/startup verification ❏ Additional field-installed controls tested as outlined by Adjust and test boiler controls 1. Follow instructions in this manual to set and verify operation of the boiler controls. 2. Follow low water cutoff manufacturers instructions (if used).
® gas-fired water boiler — 70/110/155 Boiler Manual Annual startup and general maintenance Follow the service and maintenance procedures given throughout this manual and in component literature shipped with the boiler. Failure to perform the service and maintenance could result in damage to the boiler or system. Failure to follow the directions in this manual and component literature could result in severe personal injury, death or substantial property damage.
® gas-fired water boiler — 70/110/155 Boiler Manual Annual startup HANDLING CERAMIC FIBER MATERIALS REMOVING BURNER GASKET or COVER PLATE INSULATION The EVG cover plate refractory contain ceramic fiber materials that have been identified as carcinogenic, or possibly carcinogenic, to humans. Ceramic fibers can be converted to cristobalite in very high temperature applications.
® gas-fired water boiler — 70/110/155 Boiler Manual Annual startup (continued) Clean condensate trap The boiler should be inspected and started annually, at the beginning of the heating season, only by a qualified service technician. In addition, the maintenance and care of the boiler designated in Figure 87, page 100 and explained on the following pages must be performed to assure maximum boiler efficiency and reliability.
® gas-fired water boiler — 70/110/155 Boiler Manual Annual startup (continued) Check air openings 1. Verify that combustion and ventilation air openings to the boiler room and/or building are open and unobstructed. 2. Check operation and wiring of automatic combustion air dampers, if used. 3. Verify that boiler vent discharge and air intake are clean and free of obstructions. Flue vent system and air piping 1.
® gas-fired water boiler — 70/110/155 Boiler Manual Annual startup (continued) Check ignition wiring Check flame signal 1. Check ignition cable electrical resistance. A good cable will have resistance between 950 and 1050 ohms. Replace if not acceptable. 2. Inspect boiler ground wire from heat exchanger access cover to ground terminal screw. 3. Verify all wiring is in good condition and securely attached. 4. Check ground continuity of wiring using continuity meter. 5.
® gas-fired water boiler — 70/110/155 Boiler Manual Annual startup (continued) 9. Write down the blower RPM value. It should be within 200 RPM of the value given in Figure 90. 10. If any of the values are outside the ranges listed in the previous steps, contact the factory for technical assistance. Minimum and maximum blower speeds can be adjusted within limits, but changing speeds will affect AFUE ratings.
® gas-fired water boiler — 70/110/155 Boiler Manual Annual startup (continued) Check boiler relief valve 1. Inspect the relief valve and lift the lever to verify flow as in the following warnings, excerpted from a relief valve manufacturer’s warning label. Before operating any relief valve, ensure that it is piped with its discharge in a safe area to avoid severe scald potential. 2. Read page 43 or 48 before proceeding further. 3.
® gas-fired water boiler — 70/110/155 Boiler Manual Troubleshooting Before calling for troubleshooting assistance, fill in the “EVG Gas Data Collection Sheet” (page 144). Record the boiler size and CP number (located on the right side exterior of the boiler jacket). Failure to adhere to these guidelines can result in severe p e r s o n a l i n j u r y, d e a t h o r substantial property damage. ELECTRICAL SHOCK HAZARD TURN OFF ALL POWER TO THE BOILER WHEN SERVICING.
® gas-fired water boiler — 70/110/155 Boiler Manual Troubleshooting (continued) Check control fuses Figure 93 ALWAYS check control fuses before replacing the control or any major components (blower, etc.). If one of these fuses is blown, it can prevent the control or other components from operating. 1. Turn OFF power to boiler at external line switch. Then remove the jacket door. 2. Locate fuses using Figure 93. 3. Remove and inspect the two (2) fuses (items 1 and 2, Figure 93). 4.
® gas-fired water boiler — 70/110/155 Boiler Manual Troubleshooting (continued) Make sure to determine the causes of outages. Do not leave the boiler operating without a complete diagnosis. Control fault indications 1. The control provides diagnostic information for both automatic reset conditions and manual reset conditions. See Figure 66, page 70 for information available on the control display and navigation instructions for all menus. Figure 94 2.
® gas-fired water boiler — 70/110/155 Boiler Manual Troubleshooting (continued) Figure 95 Troubleshooting suggestions for EVG boilers — EVG control Error Condition Log RESET TO FACTORY DEFAULT 1. Selecting this will prompt the user to hold the enter button for a specified length of time. Upon completion, this will reset the control settings back to factory installed settings. ONCE THIS IS CHOSEN, PREVIOUS SETTINGS CANNOT BE RECOVERED. ENSURE THIS ACTION IS TRULY DESIRED BEFORE CONTINUING. Figure 96 2.
® gas-fired water boiler — 70/110/155 Boiler Manual Troubleshooting (continued) Figure 97 Troubleshooting suggestions for EVG boilers — Fault displays, diagnostics and corrective actions Display Condition Nothing shown Control is not receiving 24V on display power. screen and boiler will not respond to call for heat Nothing is Control is not receiving 120V shown in display power.
® gas-fired water boiler — 70/110/155 Boiler Manual Troubleshooting (continued) Figure 98 Troubleshooting suggestions for EVG boilers — Fault displays, diagnostics and corrective actions Display LOW WTR CUTOFF OPEN Condition Occurs if internal low water cutoff contacts open. Diagnostics Automatic reset occurs if contacts are open at least one second, but less than 5 seconds. Manual reset of control if contacts are open longer than 5 seconds.
® gas-fired water boiler — 70/110/155 Boiler Manual Troubleshooting (continued) Figure 99 Troubleshooting suggestions for EVG boilers — Fault displays, diagnostics and corrective actions Display LIMIT OPEN HIGH TEMP LIMIT Condition Occurs if manual or automatic reset limit opens. Boiler temperature sensor reached High Temp Limit setting (no higher than 200° F). Diagnostics Corrective Action(s) Automatic external limit will reset 2½ minutes after external limit device closes.
® gas-fired water boiler — 70/110/155 Boiler Manual Troubleshooting (continued) Figure 100 Troubleshooting suggestions for EVG boilers — Fault displays, diagnostics and corrective actions Display IGNITION FAULT Condition Diagnostics Corrective Action(s) Boiler went through 5 ignition attempts and never detected flame or flame sense value never reached minimum threshold for boiler model. Automatically resets after 1 hour or can be reset by performing manual reset on boiler.
® gas-fired water boiler — 70/110/155 Boiler Manual Maintenance Oiled bearing circulators DO NOT SERVICE THE BOILER ® WITHOUT A Evergreen MAINTENANCE KIT AVAILABLE The maintenance kit includes components that may have to be replaced when accessing or disassembling parts of the boiler. Failure to replace damaged components and to use only the parts specifically intended for the boiler can result in severe personal injury, death or substantial property damage. See Figure 110, page 127 for part number.
® gas-fired water boiler — 70/110/155 Boiler Manual Notes 116 Part number 550-100-191/0917
® gas-fired water boiler — 70/110/155 Boiler Manual Cleaning heat exchanger flue side, 70 Cleaning the EVG 70 heat exchanger FLUE SIDE or accessing the burner, if required The boiler contains ceramic fiber materials. Use care when handling these materials per instructions on page 101 of this manual. Failure to comply could result in severe personal injury.
® gas-fired water boiler — 70/110/155 Boiler Manual Cleaning heat exchanger flue side, 70 (continued) Figure 102 Accessing the burner or heat exchanger (see Legend on page 117) " # $ % & &7( 118 Part number 550-100-191/0917
® gas-fired water boiler — 70/110/155 Boiler Manual Cleaning heat exchanger flue side, 70 (continued) Inspect and clean the burner 1. See Figure 104, page 118 part D. a. Slide the refractory (item 12) over the burner and off. Set the refractory aside where it will be kept clean and protected from damage. If the refractory is damaged, it must be discarded and replaced with a new one. b. Remove the three (3) #20 Torx screws (item 14) securing the burner (item 10) to the cover plate. Set aside. c.
® gas-fired water boiler — 70/110/155 Boiler Manual Cleaning heat exchanger flue side, 110 Cleaning the EVG 110 heat exchanger FLUE SIDE or accessing the burner, if required The boiler contains ceramic fiber materials. Use care when handling these materials per instructions on page 101 of this manual. Failure to comply could result in severe personal injury.
® gas-fired water boiler — 70/110/155 Boiler Manual Cleaning heat exchanger flue side, 110 (continued) Figure 104 Accessing the burner or heat exchanger (see Legend on page 120) " # $ % & (9* Part number 550-100-191/0917 121
® gas-fired water boiler — 70/110/155 Boiler Manual Cleaning heat exchanger flue side, 110 (continued) Inspect and clean the burner 1. See Figure 106, page 121 part D. a. Slide the refractory (item 11) over the burner and off. Set the refractory aside where it will be kept clean and protected from damage. If the refractory is damaged, it must be discarded and replaced with a new one. b. Remove the four (4) #20 Torx screws (item 13) securing the burner (item 9) to the cover plate. Set aside. c.
® gas-fired water boiler — 70/110/155 Boiler Manual Cleaning heat exchanger flue side, 155 Cleaning the EVG 155 heat exchanger FLUE SIDE or accessing the burner, when required The boiler contains ceramic fiber materials. Use care when handling these materials per instructions on page 101 of this manual. Failure to comply could result in severe personal injury.
® gas-fired water boiler — 70/110/155 Boiler Manual Cleaning heat exchanger flue side, 155 (continued) DO NOT gouge or crack the refractory. The refractory is made of ceramic fiber materials. Read the ceramic fiber WARNING on page 101 before handling or disposing of ceramic fiber materials. c. When replacing the refractory, apply a ring of silicone adhesive on the cover plate. Place the refractory onto the cover plate.
® gas-fired water boiler — 70/110/155 Boiler Manual Cleaning heat exchanger flue side, 155 (continued) Figure 106 Accessing the burner or heat exchanger (see Legend on page 124) " # $ % & Do NOT attempt to remove the burner from the heat exchanger cover plate without first removing the heat exchanger cover plate from heat exchanger. Damage to refractory will result.
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts DO NOT SERVICE THE BOILER WITHOUT A MAINTENANCE KIT EVG Failure to adhere to these guidelines can result in severe personal injury, death or substantial property damage. AVAILABLE The maintenance kit includes components that may have to be replaced when accessing or disassembling parts of the boiler.
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 108 Miscellaneous parts and kits Description Part Number CHEMICALS Antifreeze, Sentinel X500, 1 Gallon . . . . . . 592-900-029 Corrosion inhibitor, Sentinel X100 . . . . . . . 592-900-002 Sentinel X100 Quick Test Kit . . . . . . . . . . 592-900-005 Cleaner, Sentinel X400 . . . . . . . . . . . .
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 109 Jacket parts — EVG 70/110/155 (see Figure 112, page 129 for illustration) Item Name Description / contents Part Number 100 Jacket door Jacket door and labels 383-900-101 110 Seals – jacket door to cabinet Seals for front face of cabinet 383-900-102 120 Wall-mount bracket (wall side) Bracket and hardware 383-800-218 130 Wall-mount hardware (boiler side) Boiler mounting studs (bolts, washers, and
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 110 Jacket assembly — EVG 70/110/155 (see Figure 111, page 128 for part numbers) &7( Go to www.weil-mclain.
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 111 Heat exchanger parts EVG 70/110 (see Figure 114, page 131 for illustration) Item Name 100 Heat exchanger Part Number Model Model 70 110 — 383-800-234 383-800-238 Heat exchanger, condensate dish, cover plate, burner, igniter, sight glass, refractory, water sensors, gaskets, silicone, and hardware (includes items 100, 120, 130, 140, 160, 180, 210, 240, and 260) 383-800-236 120 Condensate dish, gaskets, an
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 112 Heat exchanger assembly EVG 70/110 (see Figure 113, page 130 for part numbers) Go to www.weil-mclain.
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 113 Heat exchanger parts EVG 155 (see Figure 116, page 133 for illustration) Item Name Part Number 100 Heat exchanger 383-800-231 110 Heat exchanger, condensate dish, cover plate, burner, igniter, sight glass, refractory, water sensors, gaskets, silicone, and hardware (includes items 100, 130, 140, 160, 170,180, 190, 200, 210, and 270) 383-800-233 120 Cover plate/heat exchanger gasket 590-318-054 130 Bo
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 114 Heat exchanger assembly EVG 155 (see Figure 115, page 132 for part numbers) &7( Part number 550-100-191/0917 133
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 115 Item Combustion components for EVG 70/110 (see Figure 119, page 135 for illustration) Name Description / contents Part Number 100 Relief valve 30 PSIG relief valve — shipped loose for field installation 383-500-095 110 Pressure & temperature gauge Shipped loose for field installation 380-000-000 200 Air inlet silencer Silencer Model Model 70 383-700-155 383-700-248 210 Silencer o-ring O-ring 110
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 117 Combustion components for EVG 70/110 /155(see Figure 117, page 134 for part numbers) 155 110 70 Go to www.weil-mclain.
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 118 Controls and electrical components — EVG 70/110/155 (see Figure 121, page 137 for illustration) Item Name Description / contents Part Number 100 Flue temperature sensor & grommet One sensor & grommet 383-500-600 110 Grommet - Flue temperature sensor One grommet 590-318-011 120 Outdoor temperature sensor One sensor 510-312-218 130 System temperature sensor One sensor 383-500-601 140 Low water
® gas-fired water boiler — 70/110/155 Boiler Manual Replacement parts (continued) Figure 119 Controls and electrical assemblies — EVG 70/110/155 (see Figure 120, page 136 for part numbers) /:&2 6WDQGDUG (TXLSPHQW (9* Go to www.weil-mclain.
® gas-fired water boiler — 70/110/155 Boiler Manual Dimensions ® Dimensional data — Evergreen Figure 120 7N 7 70/110/155 (all dimensions in inches) 67N 7 501 7 6 7 -&'5 '30/5 3*()5 7N 7RF ) 7 6 7 7 6 7 7N ZLWK MDFNHW GRRU 7N 7 7N #0550.
® gas-fired water boiler — 70/110/155 Boiler Manual ® Ratings — Evergreen boilers Figure 121 Boiler Model EVG ® Ratings and engineering data — Evergreen 70/110/155 CSA Input CSA Output / Vent/ DOE Net AHRI DOE Boiler Comb.
® gas-fired water boiler — 70/110/155 Boiler Manual Ratings — Multiple Evergreen® boilers Figure 122 Ratings and engineering data — multiple Evergreen® boilers Boilers in system Model EVG 70 110 155 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 Total Input Output / Heating capacity Boiler H.P. Net water ratings Input, MBH Manifolded combustion air duct size Output, MBH - MBH - Note 1 - Note 2 140 220 310 210 330 465 280 440 620 130 202 286 195 303 429 260 404 572 3.9 6.0 8.5 5.8 9.1 12.
® gas-fired water boiler — 70/110/155 Boiler Manual Installation and Service Certificate Boiler Data Boiler Model / Series Evergreen ________ / Series ____ Date installed _____________________ CP Number ________________ Btu Input FUEL: Natural ______ LP ______ ___________________ ❏ Installation instructions have been followed. ❏ Check-out sequence has been performed. ❏ Information on next two pages is certified to be correct.
® gas-fired water boiler — 70/110/155 Boiler Manual Installation and Gas Boiler Data Collection Sheet Boiler Model / Series EVG ________ / Series _______ Date Installed: ___________________ CP Number: __________________ BTU Input: ____________ Fuel Type: Natural___ LP___ Flame signal on control display at HIGH fire: _________________ Flame signal on control display at LOW fire: ____________ Was venturi changed? YES___ NO___ Was gas valve throttle adjusted? YES___ NO___ Was gas valve offset adjust
® gas-fired water boiler — 70/110/155 Boiler Manual Installation and Gas Boiler Data Collection Sheet CO2 @: High Fire______% Low Fire______% CO@: High Fire _____ ppm Low Fire _____ ppm Natural Gas / LP input rate measured: HIGH ______ CFH / LOW________ CFH Priority 2 Settings Priority 4 Settings (Multi Blr Sys Only) Priority 3 Settings System Type: ___________ System Type: ___________ System Type: ___________ Target Mod Sensor: ___________ Target Mod Sensor: ___________ Target Mod Sensor:
® gas-fired water boiler — 70/110/155 Boiler Manual Evergreen® Gas Boiler Data Collection Sheet Customer Info: Maintenance Info: Contact: Contractor: Job name: City, state: Distributor: System Components: Near boiler pipe size: DHW tank (yes/no): DHW direct/system: DHW model: DHW pipe size: DHW circulator model: Is there air in system?: Diagnostic Errors: Control fault: Ignition retries: Manual reset CNT: Auto reset CNT: Software Versions: Display: Main micro: Second micro: Lockout History #1 Fault Name
