® CONDENSING GAS BOILER 70/110/155 Advanced Manual Multiple Boiler Installation & Settings + Single Boiler Advanced Settings 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.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Contents ® Evergreen Control — Advanced mode . . . . . . . 3 Multiple boiler installations . . . . . . . . . . . . . 6 Fast-Track Setup — Requirements by Boiler . . . . 9 Fast-Track Setup — Steps . . . . . . . . . . . . . 10 Fast-Track Setup — The WIZARD . . . . . . . . . 11 Fast-Track Setup — Typical Application A . . . . 14 Fast-Track Setup — Typical Application B . . . . 18 Fast-Track Setup — Typical Application C . . . .
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Evergreen® Control — Advanced mode Multiple Boiler (Network) Features: Evergreen® control setup (see next page for explanation of Priorities) s Create a network of up to 8 boilers using built-in controls. s Master boiler controls the modulation and sequencing of boilers on the network to achieve desired system supply temperature.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Evergreen® Control — ADVANCED mode (continued) EVG control Priorities & Input/Outputs Multiple boiler operation s s s s s For heating installations with multiple systems, the EVG control uses PRIORITIES to determine the order of operation of the systems. s 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.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Evergreen® Control — ADVANCED mode OD RESET MAX 1. OD RESET MAX means the outdoor temperature at which the target temperature reaches its minimum (SUPPLY MIN). 2. In the examples of Figure 1, this occurs at 70 °F (the factory default). (continued) Figure 1 Outdoor reset operation Figure 2 Remote target operation OD RESET MIN 1. OD RESET MIN means the outdoor temperature at which the target temperature reaches its maximum value (SUPPLY MAX). 2.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Multiple boiler installations Placing multiple boilers Figure 3 1. Locate multiple boilers with spacings shown in Figure 3. Provide the indicated clearances around boilers for access and servicing. 2. 3. 4. 5. Side-to-side mounting of multiple Evergreen® boilers If recommended dimensions are not possible, provide at least the minimum clearances given in the Evergreen® boiler manual. Also follow local codes.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Multiple boiler installations Easy-Fit® piping installation 1. Main header and Easy-Fit® Manifold pipe sizing. a. Size system piping as required for the flow. b. Install tees on the system piping for Easy-Fit® manifolds as shown in Figure 5 or Figure 6. Size manifolds to handle total connected boiler output as shown. 2. Provide connections in main header for Easy-Fit® manifolds as close as possible to the midpoint of multiple boilers. a.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Multiple boiler installations Figure 7 (continued) Piping schematic — typical piping for multiple Evergreen® boilers, using Weil-McLain Easy-Fit manifolds (adjust boiler connections as required for other boiler models) Legend — Figure 7 1 Flow/check or spring check valve. 13 Supply water temperature control (when used). 2 Isolation valves. 14 Low water cutoff (when used) (place above primary header). 3 Cap.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — Requirements by Boiler DHW circuit in system — For high-demand DHW circuits, the control setting for MIN BOILERS must be set using the NETWORK 1 or NETWORK 2 priority menu after the WIZARD is completed to ensure quick response to demand. See page 53 for a description of the MIN BOILERS setting.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — Steps The WIZARD must be used when using the Fast-Track Setup procedure. This is necessary to ensure that all required settings are made. In addition, all instructions in the Evergreen® boiler manual must be followed completely. Failure to comply could result in severe personal injury, death or substantial property damage.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — The WIZARD s The WIZARD is available only on initial setup of the boiler. It cannot be accessed later. If the WIZARD is accidentally by-passed, follow navigation sequences shown on page 46 and page 47. Select RESET FACTORY DEFAULTS on the Boiler Settings menu. Follow screen directions. Boiler setup must then be started over from the beginning.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — The WIZARD (continued) If TARGET ADJUST = ODT EVERGRE EN WI # # OF ## SY S T EM T Y P E : # # T A R G E T MO D S E N BO I L TARGE T AD JUST : : SUPP L Y MA X SU OD OD BO RU RU MA P P R R OS N N X L E E T B A O Y M I N S E T MA X S E T M I N T I ME : O I L E R P U X / P UMP N T I ME : B A C K S E L E C T ZARD ###### SOR : ER OUT ODT # # # ° F : : : # # # # UMP ? OU T # If TARGET ADJUST = 0–10V EVERGRE EN WI Z # # OF ## SY S T
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — The WIZARD (continued) ▼ ▼ EVERGRE EN # # OF WI ZARD ## L OC A L - N E TWO R K SW I T C H I N G T I ME S NE T NE T LP 2 X ON T I ME : # # #M | N X ON ON T I ME : T I ME : # # #M # # #M | N ON T I ME : # # #M ▼ MA | ▼ M I MA | ▼ M I ▼ L P 1 NE X T S T E P B A C K S E L E C T EVERGRE EN # # OF BO I L E R SE QU E NC E L E AD BO I I NCR RO T A T FORC E L E NE X T H E L P E D I T WI ZARD ## S E QU E NC I NG T
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — Typical Application A Figure 8 Typical Application A — Piping layout — typical piping for multiple Evergreen® boilers, using Weil-McLain Easy-Fit manifolds (2-boiler system) (adjust boiler connections as required for other boiler models) NOTICE: This method does not provided DHW redundancy. DHW can only be supplied when Boiler 2 is operational.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — Typical Application A (cont.) Purpose s s s s Space heating with multiple zones using system pump or zone circulators. Zoning with circulators or zone valves. DHW piped directly to the Shadow 2 boiler. DHW priority — space heating is discontinued during call for heat from water heater.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — Typical Application A (cont.) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Notes Part number 550-100-193/0817 – 17 –
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — Typical Application B Figure 10 Typical Application B — Piping layout — typical piping for multiple Evergreen® boilers, with DHW storage heaters (4-boiler system) (adjust boiler connections as required for other boiler models) Blr 1 Blr 2 Blr 3 Blr 4 Suggested DHW boiler-side pipe sizing (for max 0.04 feet head loss per foot of total equivalent length, TEL) Flow rate Size Flow rate Size 1 – 3.9 gpm ¾ 24 – 45 gpm 2 3.9 – 7.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual See Legend on page 15 for Item number identification. Fast-Track Setup — Typical Application B (cont.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — Typical Application B (cont.) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. Purpose Control setting notes s s s s Space heating with multiple zones using system pump or zone pumps. DHW connected to primary with a secondary connection. Multiple DHW tanks are zoned with circulators.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Notes Part number 550-100-193/0817 – 21 –
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — Typical Application C Figure 12 Typical Application C — Piping layout — typical piping for multiple Evergreen® boilers, using isolation exchanger (adjust boiler connections as required for other boiler models) Use isolation heat exchanger for: 1. Large volume systems with high mineral content in water. 2. Systems exposed to untreated quantities of makeup water. 3.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual See Legend on page 15 for Item number identification. Fast-Track Setup — Typical Application C (cont.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Fast-Track Setup — Typical Application C (cont.) Boiler Model, Altitude and Fuel Type are critical settings. Failure to set correctly could result in severe personal injury, death or substantial property damage. Purpose Control setting notes s s s s Isolation heat exchanger for applications with high system pressure (over 30 PSIG), such as tall buildings. Typical application shown with shell and tube heat exchanger provided by installer.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Notes Part number 550-100-193/0817 – 25 –
® CONDENSING GAS BOILER Field wiring — 70/110/155 Advanced Manual (see wiring diagram, Figure 15, page 34) Evergreen® boiler wiring Multiple boiler communication wiring 1. Wires should be shielded thermostat wires, or equivalent. Connecting terminals 2. Route wires through top right knockout to communication All field wiring is made through the eight (8) colored connectors board on display bracket. (shipped loose with boiler) directly to the control module. Line volt- 3.
® CONDENSING GAS BOILER Field wiring — 70/110/155 Advanced Manual (see wiring diagram, Figure 15, page 34) A. 120 VAC Power Supply – REQUIRED Terminal Block P1 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 strip P1 as shown at right. 3.
® CONDENSING GAS BOILER Field wiring — 70/110/155 Advanced Manual (see wiring diagram, Figure 15, page 34)(continued) C. 120 VAC to Boiler Circulator – REQUIRED Terminal Strip P4 on Comm Board 1. Provides 120 VAC to the boiler circulator at P4 Terminal to Control module. 2. Terminals are: 1 (H), 2 (N), 3 (G). 3. Maximum load: 2.0 amps (use relay if circulator load is higher). See WARNING. 4. The boiler circulator (shipped loose with boiler) is used in the boiler loop of the primary / secondary piping.
® CONDENSING GAS BOILER Field wiring — 70/110/155 Advanced Manual (see wiring diagram, Figure 15, page 34)(continued) E. System supply and return temperature sensors – REQUIRED Terminal Block P14 (EVG control module) 1. Two strap-on temperature sensors are shipped with each 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.
® CONDENSING GAS BOILER Field wiring — 70/110/155 Advanced Manual (see wiring diagram, Figure 15, page 34)(continued) H. Alarm contacts – OPTIONAL Terminal Block P16 #4 & #5 (EVG control module) 1. The control’s alarm dry contact (P16, terminals 4 and 5) closes when the boiler enters manual lockout only. 2. Connect these terminals for remote alarm notification. 3. Contact electrical ratings: 24 VAC or less; 0.5 amp or less. See Figure 15, page 34 for details I.
® CONDENSING GAS BOILER Field wiring — 70/110/155 Advanced Manual (see wiring diagram, Figure 15, page 34)(continued) K. 0–10 VDC Remote TARGET input – OPTIONAL Terminal Block P15 #5 & #6 (EVG control module) 1. See illustration at right and Figure 15, page 34 (wiring diagram) for details. 2. Remote target using 0–10VDC input requires a 0–10VDC input signal at P15-5/6 as shown at right. a. The input positive connection must be at P15 terminal 6 and the common connection at terminal 5. b.
® CONDENSING GAS BOILER Field wiring — 70/110/155 Advanced Manual (see wiring diagram, Figure 15, page 34)(continued) L. 0–10 VDC Remote MODULATION input – OPTIONAL Terminal Block P15 #5 & #6 (EVG control module) 1. 2. 3. 4. 5. 6. 7. 8. Using an external multiple boiler controller — Remote modulation using an external controller only works with each boiler set up as a SINGLE boiler in the EVG Control setup. See illustration at right and Figure 15, page 34 for details.
® CONDENSING GAS BOILER Field wiring — 70/110/155 Advanced Manual (see wiring diagram, Figure 15, page 34)(continued) M. Proof of closure (flow switch and/or CAD) – OPTIONAL Jumper on Terminal Strip P7 (EVG control) 1. A flow switch or combustion air damper (CAD) interlock can be configured by clipping the jumper on terminal strip P7. Strip the jumper ends and wire components as shown at right and in the wiring diagram (Figure 15, page 34). 2. No control settings are required when using a flow switch. a.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Wiring diagram — schematic Figure 15 Evergreen® schematic wiring diagram (see Figure 16, page 35 for legend and notes) – 34 – Part number 550-100-193/0817
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Wiring diagram — ladder Figure 16 Evergreen® ladder wiring diagram (see Figure 15, page 34 for schematic wiring diagram) Part number 550-100-193/0817 – 35 –
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Zoning with the EVG Control A. Zoning with CIRCULATORS, suggested applications Multiple space heating zones — Optional DHW direct-piped to one or more boilers 1. Review wiring information on page 27 (120 VAC outputs) and page 28 (24 VAC inputs). 2. The configuration at right uses the three input/output pairs of each boiler to receive thermostat (or DHW aquastat) inputs on P11-4/5, P15-1/2, and P15-3/4; and circulator outputs on P2 as shown. 3.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Zoning with the EVG Control (continued) B. Zoning with CIRCULATORS, suggested applications WMCR circulator zone controller plus DHW controlled by boiler, Optional DHW 1. Review wiring information on page 27 (120 VAC outputs) and page 28 (24 VAC inputs). 2. To shut down space heating during DHW operation: Provide and connect relay R1 (120 VAC coil with NC contact) to interrupt the zone controller’s ZC-ZR (120 VAC operating circuit). a.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Zoning with the EVG Control (continued) C. Zoning with ZONE VALVES, multiple boilers, suggested applications (see EVG Boiler Manual for single boiler suggested applications) Multiple space heating zones with direct-piped DHW on one or more boilers (optional) This suggested application only applies to systems with DHW piped directly to individual boilers. For systems with DHW connected to the system other control arrangements may be required. 1.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Zoning with the EVG Control (continued) D. Zoning with ZONE VALVES, multiple boilers, suggested applications (see EVG Boiler Manual for single boiler suggested applications) WMZV zone valve zone controller plus DHW controlled by boiler, Optional DHW This suggested application only applies to systems with DHW piped directly to individual boilers. For systems with DHW connected to the system, other control arrangements may be required.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Evergreen® Control — INITIAL SCREENS Figure 17 Initial navigation — Accessing CONTRACTOR menus (multiple-boiler screens shown) – 40 – Part number 550-100-193/0817
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Control operation Figure 18 Control sequence of operation Display status text POWER UP Standby Blower ON Ignition Space Heating DHW Heating Blower OFF Maintenance Error/fault WWSD Control action (also see Figure 19, page 42) s Check the boiler model listed on the power-up screen. If it is not correct, turn off the boiler. See page 43 for instructions to change setting. s When power is turned on, the screen lists sensors that are detected.
® CONDENSING GAS BOILER Control operation — 70/110/155 Advanced Manual (continued) Figure 19 Evergreen® control display screens and typical navigation – Advanced mode, multiple boilers – 42 – Part number 550-100-193/0817
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Available control settings – Advance Mode Figure 20 Evergreen® control settings available in ADVANCED MODE (see Boiler Manual for BASIC MODE settings) Menus and Items BOILER SETTINGS Menu (page 47) s BOILER MODEL s CONTROL TYPE s HIGH ALTITUDE s LP GAS s ODT SENSOR EXEMPT s HIGH LIMIT TEMP s WWSD TEMP s ADJUST OUTDOOR s CIRCULATOR EXERCISING s FREEZE PROTECT CIRCS s RESET FACTORY DEFAULT PRIORITY menus (page 52) s INPUTS ASSIGNED s SYSTEM TYPE s TARGET
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Available control settings – Advance Mode (continued) Figure 20 Evergreen® control settings available in ADVANCED MODE, continued Menus and Items s MIN RATE s MAX SYS MBH (Network priorities only) s MIN BOILERS (Network priorities only) s ACTIVATE CONTACT (ADDITIONAL HEAT DEMAND) s RESPONSE TIME (ADDITIONAL HEAT DEMAND) NETWORK SETTINGS (page 48) s CONTROL TYPE s BOILER ADDRESS s NET MAX ON TIME s NET MIN ON TIME s MAX RATE ON NET s MIN RATE ON NET
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual SYSTEM TYPE presets Figure 21 System types available (each option provides factory presets for operating parameters) Supply Max °F Max Blr Temp °F) OD Reset Min °F Supply Min °F OD Reset Max °F Run Boiler Pump Run System Pump/Aux FCL 180 180 0 140 70 YES YES FIN BASE FTB 180 180 0 130 70 YES YES Cast Iron Baseboard IRONBASE CIB 180 180 0 120 70 YES YES Cast Iron Radiators RADIATOR CIR 180 180 0 120 70 YES YES
® CONDENSING GAS BOILER — 70/110/155 Advanced 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.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual BOILER SETTINGS menu 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 22, page 46 for the screen sequences up to the CONTRACTOR menu.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual NETWORK SETTINGS menu 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 22, page 46 for the screen sequences up to the CONTRACTOR menu.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual ROTATION AND SEQUENCE 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 22, page 46 for the screen sequences up to the CONTRACTOR menu.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual ROTATION AND SEQUENCE (continued) Figure 26 Evergreen® sequencing options — SMART, PARALLEL or SERIES (examples shown for 3-boiler network) SERIES Sequencing PARALLEL Sequencing SMART Sequencing Higher Part-Load Efficiency Quicker Boiler Response Time STAGE 1 – Lead boiler modulates up to a maximum of 100% before turning on the next boiler in the sequence.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual ROTATION AND SEQUENCE (continued) Figure 27 Boiler sequencing — adding and dropping boilers Part number 550-100-193/0817 – 51 –
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Network Boiler PRIORITY 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 Figure 22, page 46 for the screen sequences up to the CONTRACTOR menu.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Network Boiler PRIORITY menus (continued) Network Priority 2 Network Priority 1 Local Priority 2 Local Priority 1 Figure 28 Evergreen® PRIORITY menus, continued MENU ITEM x x MAX BLR TEMP x x x x BOILER ON DIFF x x x x BOILER OFF DIFF x x x MAX ON TIME x MIN ON TIME x x x x x x RUN AUX PUMP/ OUTPUT x x x x PRE PUMP x x x x POST PUMP x x MAX SYS MBH x x MIN BOILERS RUN BOILER PUMP x x x x x x x x AD
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Single Boiler PRIORITY 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 Figure 22, page 46 for the screen sequences up to the CONTRACTOR menu.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Single Boiler PRIORITY menus (continued) Priority 3 Priority 2 Priority 1 Figure 29 Evergreen® single boiler PRIORITY menus, continued MENU ITEM DESCRIPTION x x x MAX BLR TEMP s If the boiler outlet temperature approaches [MAX BOILER TEMP – BOILER ON DIFF] before the system supply temperature reaches its target, the control will modulate the boiler based on the boiler outlet temperature.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual ASSIGN INPUTS menu 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 22, page 46 for the screen sequences up to the CONTRACTOR menu.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual AUX PUMP/OUTPUT options Figure 31 AUX PUMP/ OUTPUT operation (accessed in ASSIGN INPUTS menu – see page 56) Option Activation conditions Suggested uses s Hot loop for seasonal boilers that are manually shut down at end of season and started up at start of heating season.
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual MAINTENANCE, DATE AND TIME menus Figure 33 MAINTENANCE, DATE AND TIME menus — navigation (see Figure 19, page 42 for access information) Maintenance Info Comments Name Contractor name to appear in maintenance reminders and during lockouts Phone Contractor phone number Model Displays the boiler model selected in the boiler setup CP Number Enter the CP# of the boiler Installed Enter the date the boiler was installed Last Date Date automatica
® CONDENSING GAS BOILER — 70/110/155 Advanced Manual Notes Part number 550-100-193/0817 – 59 –
® 60 CONDENSING GAS BOILER — 70/110/155 Advanced Manual
