Instruction Manual commercial gas water heaters MODELS SUF 130 300, 100/101 Series SUF 130 400/500, 104/101 Series 500 Tennessee Waltz Parkway Ashland City, TN 37015 ANSI/NSF-5 INSTALLATION - OPERATION - SERVICE - MAINTENANCE - LIMITED WARRANTY Low Lead Content WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.
Table Of Contents Safe Installation, Use and Service............................. 3 APPROVALS.............................................................................. 3 General Safety Information.......................................... 4 Precautions........................................................................... 4 Grounding Instructions.......................................................... 4 Hydrogen Gas Flammable.................................................... 4 Introduction......
Safe Installation, Use and Service The proper installation, use and servicing of this water heater is extremely important to your safety and the safety of others. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. Read and obey all safety messages and instructions throughout this manual.
General Safety Information Precautions Hydrogen Gas Flammable DO NOT USE THIS Water heater IF ANY PART HAS BEEN UNDER WATER. Immediately call a qualified service agency to inspect the water heater and to make a determination on what steps should be taken next. Explosion Hazard If the unit is exposed to the following, do not operate heater until all corrective steps have been made by a qualified service agency. Flammable hydrogen gases may be present. 1. External fire.
General Safety Information Fire or Explosion Hazard Fire Hazard Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. For continued protection against risk of fire: Avoid all ignition sources if you smell gas. Do not expose water heater controls to excessive gas pressure. Do not install water heater on carpeted floor. Do not operate water heater if flood damaged. Use only the gas shown on the water heater rating label.
Introduction Thank You for purchasing this water heater. Properly installed and maintained, it should give you years of trouble free service. Detailed installation diagrams are also found in this manual. These diagrams will serve to provide the installer with a reference. It is essential that all venting, water piping, gas piping and wiring be installed as shown.
Features And Components Basic Operation Blower/Burner Assembly Detail INTAKE AIR (combustion air) CONNECTION 4 INCH PVC The water heaters covered in this manual have a helical coil shaped heat exchanger that is submerged in the storage tank. The water heater’s Main Burner is a radial design burner, it is mounted on the top and fires downward through the heat exchanger.
Top View 7 8 9 6 10 11 12 5 13 4 2 3 14 2 15 FRONT 1 18 17 16 Figure 3 Top View Components rise in pressure. This switch is used to insure the Combustion Blower is operating properly. The control system monitors this switch and will disable heating operation if its contacts are closed before the Combustion Blower is energized or open any time during a heating cycle. See Sequence Of Operation on page 54. 1. Water Heater’s 120 VAC on/off switch. 2. Powered anode rods.
Side Views circuit board, the control system’s LCD display and operational buttons. Used to adjust various user settings and view operational information. See Control System Operation on page 42. 1. Cleanout access panel, covers water heater cleanout opening. 2. CCB enclosure - see Figure 3 on page 8 for description. 11. Temperature-Pressure Relief Valve. See TemperaturePressure Relief Valve on page 15. 3. 120 VAC junction box.
Installation Considerations Rough In Dimensions 35° V 4 I ENT N PV CH C GAS 20° 70° 4” PVC INTAKE AIR CONNECTION 1 1/4” SUPPLY GAS CONNECTION 69” (175.3 cm) BACK WATER OUTLET HEIGHT 63 INCHES (160 cm) 69” (175.3 cm) INTAKE AIR 4 INCH PVC 3/4” NPT DRAIN FRONT 1 1/2” NPT WATER INLET CONDENSATE DRAIN CONNECTION 1/2 INCH PVC DRA IN VAL VE 4” PVC VENT CONNECTION (exhaust elbow) E LV VA T 50.77” (129 cm) CLEANOUT P O U 75.50” (191.8 cm) & AN 33.12” (84.
Locating the Water Heater Carefully choose a location for the new water heater. The placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the water heater. Fire or Explosion Hazard Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. CAUTION Avoid all ignition sources if you smell gas. Do not expose water heater controls to excessive gas pressure.
Extended Vent Terminations All-bronze circulating pumps are recommended for used with commercial water heaters. The water heaters covered by this manual can be installed using 4 inch pipe for the intake air and/or vent piping up to a maximum of 70 equivalent feet (21.3 m). The intake air and/or vent piping can be extended up to 120 equivalent feet (36.5 m) by installing 6 inch pipe. See the Venting Requirements on page 22.
Installation Requirements Gas Pressure Requirements Table 4 Model *Manifold Pressure NATURAL GAS †Minimum Supply Pressure ‡Maximum Supply Pressure PROPANE GAS NATURAL GAS PROPANE GAS NATURAL GAS PROPANE GAS SUF 130 300 4” W. C. (1.0 kPa) 10” W. C. (2.49 kPa) 5.2” W. C. (1.29 kPa) 11” W. C. (2.74 kPa) 10” W. C. (2.49 kPa) 12” W. C. (2.99 kPa) SUF 130 400 N/A 10” W. C. (2.49 kPa) 5.2” W. C. (1.29 kPa) 11” W. C. (2.74 kPa) 10” W. C. (2.49 kPa) 12” W. C. (2.
Mixing Valves HOT WATER OUTLET Water temperature over 125°F (52°C) can cause severe burns instantly resulting in severe injury or death. 12” TO 15” (30-38 cm) Children, the elderly and the physically or mentally disabled are at highest risk for scald injury. TEMPERED WATER OUTLET Feel water before bathing or showering. Temperature limiting devices such as mixing valves must be installed when required by codes and to ensure safe temperatures at fixtures.
Temperature-Pressure Relief Valve CAUTION Water Damage Hazard Explosion Hazard • Temperature-Pressure Relief Valve discharge pipe must terminate at adequate drain. Temperature-Pressure Relief Valve must comply with ANSI Z21.22CSA 4.4 and ASME code. T&P Valve Discharge Pipe Requirements: Properly sized temperaturepressure relief valve must be installed in opening provided. • Shall not be smaller in size than the outlet pipe size of the valve, or have any reducing couplings or other restrictions.
Condensate Drain Combustible Material Storage The water heaters covered in this manual are condensing appliances and require a building drain to be located in close proximity to allow the condensate to drain safely. Fire or Explosion Hazard Condensate drains from the water heater at the exhaust elbow located at the bottom. The field installed condensate drain line must not be elevated above the condensate drain connection on the condensate trap, see Figure 9.
Air Requirements to provide air for combustion, ventilation and dilution of flue gases. However, in buildings of unusually tight construction (for example, weather stripping, heavily insulated, caulked, vapor barrier, etc.) additional air must be provided using the methods described in the Confined Space section that follows. Breathing Hazard - Carbon Monoxide Gas Confined Space Install water heater in accordance with the Instruction Manual and NFPA 54 or CAN/CSA-B149.1.
Fresh Air Openings for Confined Spaces Alternatively a single permanent opening, commencing within 12 inches (300 mm) of the top of the enclosure, shall be provided. See Figure 11. The water heater shall have clearances of at least 1 inch (25 mm) from the sides and back and 6 inches (l50 mm) from the front of the appliance.
Outdoor Air Through Two Vertical Ducts Air From Other Indoor Spaces The illustrations shown in this section of the manual are a reference for the openings that provide fresh air into confined spaces only. Do not refer to these illustrations for the purpose of vent installation. See Venting Installation on page 19 for complete venting installation instructions.
Installation Requirements - Commonwealth of Massachusetts Commonwealth of Massachusetts Inspection For all side wall terminated, horizontally vented power vent, direct vent, and power direct vent gas fueled water heaters installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet above finished grade in the area of the venting, includi
Venting Installation Requirements on page 17. If the installation space does not provide an adequate supply of fresh air the water heater must be installed in a Direct Vent configuration. 2.
Venting Requirements (exhaust) and intake air piping shall be 0 inches. Vent or intake air piping passing through a combustible wall or ceiling must be a continuous run (no joints). Approved Materials Approved vent and intake air pipe materials that may be used in the United States: Minimum Equivalent Lengths Four Inch Pipe • PVC Schedule 40 (ASTM D 2241 / CSA B181.2, ASTM D 1785 / CSA B137.3 • CPVC Schedule 40 (ASTM F-411 / CSA B137.
Venting Installation Sequence 11. If installing 6 inch pipe transition to 4 inch pipe as shown in Figure 15. The field installed 4” pipe between the exhaust elbow and the 6” x 4” reducer coupling should be 18 inches (45 cm) or less in length. 1. Read the General Venting Instructions on page 21 and Venting Requirements on page 22 before proceeding. These instructions and requirements must be followed on all installations. Direct Vent Installation 2.
INSTALL TEE FITTING AS CLOSE TO WATER HEATER INTAKE AIR CONNECTION AS POSSIBLE FACTORY INTAKE AIR CONNECTION 14. If installing 4 inch intake air pipe connect the intake air pipe to the intake air connection on the water heater. INTAKE AIR PIPING 15. If installing 6” intake air pipe transition to 4” pipe at the intake air connection on the water heater as shown in Figure 18.
10. Install the factory supplied intake air and/or vent termination(s) using field supplied pipe and one field supplied 90° elbow as shown in Figure 19. The short section of pipe that connects between the field supplied 90° elbow and the factory supplied termination must not be excessive in length. The exposed portion of this pipe shall be no more than 2 inches (5 cm), see Figure 19. The intake air and vent pipes must penetrate the same side of the roof as shown in Figure 21 on page 25.
Sidewall Termination Installation (18 cm) diameter hole for 6 inch pipe where the pipe(s) will pass through the wall. 1. Determine the location for the termination(s). Note: Beware of concealed wiring and piping when cutting through the wall. 2. If installing only vent (exhaust) piping in a Power Vent configuration through a sidewall; ensure that all exterior sidewall clearance requirements for the termination, shown in Figure 48 on page 34, are being maintained.
Concentric Termination Installation termination. Use only Schedule 40 PVC to extend the 6 inch concentric termination. 1. Determine which concentric termination will be installed. SUF 130 300 models installed using 4 inch vent/intake air piping use the 4 inch concentric termination. SUF 130 300 models installed using 6 inch vent/intake air piping use the 6 inch concentric termination.
4 Inch Concentric Termination Installation INTAKE AIR CONNECTION 3 INCH PVC 3” x 3” x 4” Y FITTING 9. Return to Direct Vent Installation on page 28 to complete the installation of the intake air and vent piping between the concentric termination and the water heater.
6 Inch Concentric Termination Installation 6” x 4” STANDARD REDUCER BUSHING 11. Push the vent cap/vent pipe assembly into the intake air Y fitting assembly until the vent cap seats properly on the large diameter intake air pipe. Ensure the vent pipe is cemented to the no stop-lip reducer bushing previously installed in the Y fitting. Secure the vent cap to intake air pipe with field supplied stainless steel screws. Install the screws through the pre-drilled holes in the vent cap brackets.
Multiple Concentric Termination Clearances Four Concentric Terminations When installing multiple concentric terminations vertically through a roof or horizontally through a sidewall ensure the required clearances (separation) between terminations are maintained. Ensure multiple terminations are arranged or grouped as required. 1.
Multiple Concentric Termination Arrangements Four Concentric Terminations The illustrations on this page show some of the installation arrangements for multiple concentric terminations that are allowed. Four concentric terminations may be installed in close proximity as shown in Figure 38. See Figure 34 and Figure 35 on page 30 for detailed information on clearances and additional arrangement options.
Venting Arrangements Power Vent Vertical Figure 40 Power Vent Horizontal Figure 41 Direct Vent Vertical Figure 42 Direct Vent Horizontal Figure 43 32
Venting Arrangements Direct Vent Vertical Vent Horizontal Intake Figure 44 Direct Vent Horizontal Vent Vertical Intake Figure 45 Direct Vent Vertical Concentric Figure 46 Direct Vent Horizontal Concentric Figure 47 33
Termination Clearances Sidewall Power Vent POWER VENT (using room air for combustion) EXTERIOR CLEARANCES FOR SIDEWALL VENT TERMINATION G V D H A v E L v B FI XE D CLOSED V F OPERABLE V B B C OPERABLE V B B FI XE D CLOSED V M X V K J A X V B V X VENT TERMINAL AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED Figure 48 Vent terminal clearances for “Power Vent” installations. Power Vent configurations use room air for combustion.
Termination Clearances Sidewall Direct Vent DIRECT VENT (using outdoor air for combustion) EXTERIOR CLEARANCES FOR SIDEWALL VENT TERMINATION G V D H A v E L v B FI XE D CLOSED V F B B C OPERABLE V OPERABLE V B B FI XE D CLOSED V M X V K J A X V B V VENT TERMINAL X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED Figure 49 Vent terminal clearances for “Direct Vent” installations. Direct Vent configurations use outdoor air for combustion.
Water Heater Installation Condensate Drain Installation than 1/2 inch PVC in size. Installation must conform with these instructions and local building codes. 3. Do not remove, modify or alter the factory condensate trap. Condensate neutralizer kits are available. Contact your distributor or Service Agency. 1. Ensure the water heater’s on/off switch is in the “off” position. Field supplied materials required for installation include: 2.
Supply Gas Line Installation Gas Line Sizing Contact your local gas utility company to ensure that adequate gas service is available and to review applicable installation codes for your area. Do not use flexible gas piping. Minimum required supply gas line sizes are shown in Table 5 on page 13. Depending on the developed equivalent length and/or the number of appliances connected to a common main, the size of supply gas lines may have to be increased.
Gas Line Connection Gas Line Leak Testing 1. The water heaters covered by this manual are shipped from the factory with a 1 1/4” supply gas connection except 500 natural gas model, see Table 1 on page 10. Short pipe nipples and reducer couplings are factory installed to increase the size of the water heater’s 24 VAC Gas Valve inlet, see Figure 53. Connect the supply gas line to the water heater's 24 VAC Gas Valve in accordance with all applicable local and national code requirements.
Electrical Wiring (IE: relay coil) to this circuit. This will damage the CCB circuit board and is not covered under the limited warranty. All electrical work must be installed in accordance with the National Electrical Code, ANSI/NFPA 70 or the Canadian Electrical Code, CSA C22.1 and local requirements. Connecting An External Supervisory Control The enable/disable circuit is accessed from the CCB’s J6 plug inside the CCB enclosure, see Figure 3 on page 8 to locate the CCB enclosure.
Water Line Connections T&P Valve Discharge Pipe The water piping installation must conform to these instructions and to all local and national code authority having jurisdiction. Good practice requires that all heavy piping be supported. Explosion Hazard Read and observe all requirements in the following sections before installation of the water piping begins: 1. 2. 3. 4. 5. Temperature-Pressure Relief Valve must comply with ANSI Z21.22CSA 4.4 and ASME code. Mixing Valves on page 14.
Temperature Regulation High Temperature Limit Control (ECO) Setting the Operating Set Point at 120°F (49°C) will reduce the risk of scalds. Some States require settings at specific lower temperatures. This water heater is equipped with an ECO (energy cut out) non adjustable high temperature limit switch. The ECO is a normally closed switch that opens (activates) on a rise in temperature. Table 10 The ECO is located inside the Upper Temperature Probe (two red wires), see Figure 3 on page 41 for location.
Control System Operation Overview or cancel new user settings. The operational buttons are multifunctional, their current function is defined by the text that appears directly above each button on the LCD screen. The Desktop Screen The water heaters covered in this manual are equipped with an electronic control system that regulates water temperature inside the storage tank. Heating cycles and ignition are managed by the control system.
Status Icons The Status Icons are displayed on the Desktop screen and convey operational and diagnostic information. The icons are described in the table below. See Figure 55 on page 42 and the Sequence Of Operation on page 54. Table 11 Icon Description Water temperature in the tank has fallen. Shaded area of the animated thermometer icon will rise and fall in response to water temperature in the storage tank as sensed from the Upper and Lower Temperature Probes.
Operating States The current operational state of the water heater is displayed on the Desktop screen as the "Status." The common operational states are described in the table below. See Figure 55 on page 42 and the Sequence Of Operation on page 54. Table 12 State Description Standby The water heater is not in an active heating cycle. IE: the Tank Temperature is at or above the Operating Set Point.
User Settings & Control System Menus Temperatures Menu Operating Set Point And Differential Adjustment The Operating Set Point is adjustable from 90°F (42°C) to 180°F (82°C). The factory setting is 120°F (49°C). The Differential is adjustable from 2° to 20°. The factory setting is 8°. These user settings are accessed from the Temperatures menu. The following instructions will explain how to adjust these settings and navigate the control system menus.
Temperatures Menu (cont) Description/Action Display • Tank Temperature - non adjustable - control system sensed temperature (averaged from upper and lower temperature probes). • Upper Temperature - non adjustable - control system sensed temperature from the Upper Temperature Probe. • Lower Temperature - non adjustable - control system sensed temperature from the Lower Temperature Probe. • (Heater Regulated to Tank) - non adjustable configuration information.
Display Settings Description/Action Display Select Display Settings from the Main Menu and press the Operational Button under "SELECT" to enter this menu. This menu contains adjustable display options for viewing information on the UIM’s LCD screen. Use the Up & Down Buttons to navigate the menu. Display Settings • Temperature Units - Adjustable user setting that changes temperature units display to Celsius °C or Fahrenheit °F.
Current Fault Description/Action Display Select Current Fault from the Main Menu and press the Operational Button under "SELECT" to enter this menu. This menu contains non adjustable operational information. Use the Up & Down Buttons to navigate the menu. Blocked Exhaust This menu contains the current Fault or Alert error message. The time the Fault or Alert message occurred appears directly below. A brief description of what causes the particular Fault or Alert condition appears below that.
Service Contact Information The control system has a discrete menu that Installing contractors and/or service agents can access to enter contact information for their customers. This contact information will be displayed with all Fault and Alert messages. Description/Action Display From the Desktop Screen (see Figure 55 on page 42) press and hold down the middle (unmarked) Operational Button for 30 seconds and then release it.
Start Up Prior to Start up 4. Check for gas leaks, see Gas Line Leak Testing on page 38 and repair any leaks found. Installation and start up of this water heater requires abilities and skills equivalent to that of a licensed tradesman in the field involved, see Qualifications on page 6. Initial Start Up Required Test Equipment Do not place the water heater in operation if any part has been under water.
Note: A pressure drop of more than 1.5” W. C. (0.37 kPa) when the Main Burner ignites is an indication of an inadequate supply of gas and can lead to ignition failure, rough starts and/or rough operation. If a drop of more than 1.5” W. C. (0.37 kPa) in supply gas pressure occurs when the Main Burner ignites, ensure the supply gas lines and regulator(s) are properly sized and installed. See the requirements for Supply Gas Regulator and Supply Gas Line on page 13.
To Turn Off Gas 1. Change the Operating Set Point to the lowest temperature setting, see Operating Set Point And Differential Adjustment on page 45. 2. When the water heater has completed its shut down sequence and enters the standby mode, turn the water heater’s on/off switch to the “off” position. 3. Push in the gas control knob slightly and turn to the “off” position, see Figure 56 on page 51 and Figure 57 on this page. 4. Close the Main Gas Shutoff Valve, see Figure 52 on page 37.
Lighting The Water Heater Lighting & Operation Label - SUF 130 300 100/101, SUF 130 400 & 500 101 The instruction label below is affixed to the water heater's covered by this manual at the factory and must be followed when lighting and operating the water heater. FOR YOUR SAFETY READ BEFORE OPERATING WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. A. This appliance does not have a pilot.
Lighting & Operation Label - SUF 130 400 & 500 104 The instruction label below is affixed to the water heater's covered by this manual at the factory and must be followed when lighting and operating the water heater.
Troubleshooting Installation Checklist Sequence of Operation The list below represents some of the most critical installation requirements that, when overlooked, often result in operational problems, down time and needless parts replacement. This is not a complete list. Before performing any troubleshooting procedures use the list below to check for installation errors. Costs to correct installation errors are not covered under the limited warranty.
Sequence of Operation Flow Chart If tank temperature drops below Operating Set Point minus Differential setting a heating cycle is activated Control System performs diagnostic checks Normal State of all pressure switches and ECO are checked Blower Prover pressure switch verified open All other pressure switches and ECO are verified closed NO Control System Locks Out Displays Fault Msg Combustion Blower is energized Pre-Purge cycle Blower Prover switch contacts confirmed closed by control system NO Co
Operational Problems • Excessive manifold gas pressure - see Table 4 on page 13 and Manifold Gas Pressure Adjustment on page 51. • Vent (exhaust) gas recirculation at the vent and intake air pipe terminations on Direct Vent installations - see Direct Vent Installation on page 23. • Excessive equivalent lengths of intake air and/or vent (exhaust) piping installed - see Venting Requirements on page 22. • Debris clogging/blocking the intake air screen(s) - see Figure 17 on page 24 and Figure 22 on page 26.
Alert Conditions • Colder incoming water temperature lengthening the time required to heat water to desired temperature. • Hot water piping leaks, open faucets, water heater drain valve leaking or open. • Sediment or lime scale accumulation may be affecting water heater operation. See Maintenance on page 60 for sediment and lime scale removal procedures. • Water heater not firing at full input rating. Check manifold gas pressure, see instructions on page 51.
Fault And Alert Messages Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualified service agent in your area. Possible Causes - Check/Repair Displayed Fault/Alert Message • The water heater’s control system is polarity sensitive and will lock out and disable heating operation if the polarity of the power supply is reversed. The control system will display the “AC Reversed” Fault message on the LCD in this condition.
Fault And Alert Messages (cont) Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualified service agent in your area. Possible Causes - Check/Repair Displayed Fault/Alert Message • The control system has detected the Blower Prover Switch contacts are closed when they should be open at the beginning of a heating cycle - see the Sequence Of Operation on page 54.
Maintenance General Maintenance Schedule Keep water heater area clear and free from combustible materials, gasoline and other flammable vapors and liquids. See Locating The Water Heater on page 11. Table 14 Component Water heater maintenance includes periodic tank flushing and cleaning, and removal of lime scale. The water heater should be inspected and adjusted to maintain proper combustion. See Initial Start Up on page 50. A periodic inspection of the venting system should be made.
To Flush the tank perform the following steps: Sediment and lime scale removal may be accomplished manually through the cleanout opening furnished on the water heater, see Figure 59. 1. Turn off the electrical supply to the water heater. 2. Ensure the cold water inlet valve is open. 3. Open a nearby hot water faucet and let the water run until the water is no longer hot. Then close the hot water faucet. TANK CLEANOUT OPENING 4. Connect a hose to the drain valve and terminate it to an adequate drain. 5.
See TABLE 15 for part numbers. TEMPERATURE-PRESSURE RELIEF VALVE TABLE 15 UN-LIME® Professional Delimer Part Number Description 9005416105 4 - 1 gallon (case) 9005417105 1 - 5 gallon DISCHARGE PIPE Powered Anode Rods Figure 60 To insure a long, trouble-free operating life, the water heaters covered in this manual are factory equipped with a powered anode system. The anode rods (2) are of a permanent design and do not need replacing unless damaged.
Diagrams CCB - Central Control Board Layout CCB (CENTRAL CONTROL BOARD) 1 1 1 2 2 2 1 3 3 4 2 4 4 5 J2 J3 J1 J4 J5 J6 Spare Retries OPEN Yes Tstat 2 3 4 Use Type 1 1 Retry Ext Input 3 No 15 12 9 6 3 14 11 8 5 2 13 10 7 4 1 Vent Spare J7 S1 DIPSWITCH 4 3 2 1 J9 J13 J10 1 5 1 3 2 6 J15 2 4 3 7 1 4 8 2 J16 J11 Use Yes Type Tstat Spare OPEN Ext Input 3 Retries 1 1 Retry 2 3 4 S1 DIPSWITCH DETAIL No Vent Spare Dipswitch Operation:
SUF 130 300 Wiring Diagram 24 VAC GAS VALVE LOW GAS PRESSURE SWITCH BLOCKED AIR INTAKE BLOWER PROVER BLOCKED EXHAUST 1 J5 J4 UIM J16 J6 13 2 15 4 14 5 10 6 7 8 11 ENABLE/DISABLE CIRCUIT JUMPER WIRE BETWEEN PINS 8 AND 11 ON J6 PLUG HOT SURFACE IGNITER 1 BLACK 2 WHITE FLAME SENSOR RED 1 RED (ECO) 3 BLACK UPPER TEMPERATURE PROBE 4 RED (ECO) 1 BLACK ANODE 1 2 BLACK LOWER TEMPERATURE PROBE 1 GREEN 2 BLUE ANODE 2 120 VAC 1 Ø POWER 1 BLACK 1 COMBUSTION BLOWER 2 2 WHITE J3 1 2 RED 2
SUF 130 400, 500 Wiring Diagram LOW GAS PRESSURE SWITCH 24 VAC GAS VALVE BLOCKED INTAKE AIR BLOWER PROVER BLOCKED EXHAUST 1 J5 J4 UIM J16 J6 13 2 15 4 14 5 10 6 7 8 11 ENABLE/DISABLE CIRCUIT JUMPER WIRE BETWEEN PINS 8 AND 11 ON J6 PLUG HOT SURFACE IGNITER 1 BLACK 2 WHITE FLAME SENSOR RED 1 RED (ECO) 3 BLACK UPPER TEMPERATURE PROBE 4 RED (ECO) 1 BLACK ANODE 1 2 BLACK LOWER TEMPERATURE PROBE 1 GREEN 2 BLUE WHITE/BLACK WHITE/GREEN WHITE WHITE/YELLOW 1 2 6 0V NOTE: COMBUSTION BLOWER
Circulation Pump Wiring Diagrams CIRCULATING PUMP WIRING DIAGRAM STORAGE TANK OR BUILDING RECIRCULATION NOTE: USE SEPARATE 120 VAC POWER SUPPLY FOR PUMP CIRCUIT. DO NOT SHARE POWER WITH APPLIANCE AS THIS MAY CAUSE ELECTRICAL LINE NOISE AND LEAD TO ERRATIC CONTROL SYSTEM OPERATION.
FINISHED FLOOR WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. ONE WATER HEATER, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION 3. See Temperature-Pressure Relief Valve on page 15. 2. See Dishwashing Machines on page 14. 1. See Mixing Valves on page 14.
EXPANSION TANK COLD WATER SUPPLY TEMPERED WATER RETURN LINE TEMPERATURE CONTROL WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. HOT WATER RETURN ONE WATER HEATER, TWO TEMPERATURE WITH HIGH TEMPERAURE LOOP RECIRCULATION WITH BUILDING RECIRCULATION 3. See Temperature-Pressure Relief Valve on page15. 2. See Dishwashing Machines on page 14. 1. See Mixing Valves on page 14.
HOT WATER OUTLET ALT. COLD WATER CONNECTION TANK TEMPERATURE CONTROL EXPANSION TANK COLD WATER SUPPLY HOT WATER RETURN LINE TEMPERATURE CONTROL WATER FLOW SWITCH TANK OR LINE TEMPERATURE CONTROL DRAIN TEMPERATURE GAGE CHECK VALVE FULL PORT BALL VALVE CIRCULATING PUMP PRESSURE RELIEF VALVE TEMPERATURE & PRESSURE RELIEF VALVE LEGEND 7.
STATE STORAGE TANK ALTERNATE TANK TEMPERATURE CONTROL LOCATION TANK TEMPERATURE CONTROL HOT WATER OUTLET EXPANSION TANK WATER FLOW SWITCH DRAIN COLD WATER SUPPLY HOT WATER RETURN LINE TEMPERATURE CONTROL TEMPERATURE GAGE CHECK VALVE MIXING VALVE FULL PORT BALL VALVE TANK OR LINE TEMPERATURE CONTROL CIRCULATING PUMP PRESSURE RELIEF VALVE TEMPERATURE & PRESSURE RELIEF VALVE LEGEND 7.
FINISHED FLOOR HOT WATER OUTLET WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. PIPE T&P TO OPEN DRAIN TWO WATER HEATERS, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION 3. See Temperature-Pressure Relief Valve on page 15. 2. See Dishwashing Machines on page 14. 1. See Mixing Valves on page 14.
FINISHED FLOOR HOT WATER OUTLET PIPE T&P TO OPEN DRAIN WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. THREE WATER HEATERS, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION 3. See Temperature-Pressure Relief Valve on page 15. 2. See Dishwashing Machines on page 14. 1. See Mixing Valves on page 14.
FINISHED FLOOR PIPE T&P TO OPEN DRAIN HOT WATER OUTLET WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. FOUR WATER HEATERS, SINGLE TEMPERATURE WITH BUILDING RECIRCULATION 3. See Temperature-Pressure Relief Valve on page 15. 2. See Dishwashing Machines on page 14. 1. See Mixing Valves on page 14.
Limited Warranty State Water Heaters, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater. 1.
500 Tennessee Waltz Parkway, Ashland City, TN 37015 Phone: 800-365-0024 • Fax: 800-644-9306 www.statewaterheaters.
