State Water Heaters Commercial Gas Water Heater - Manuals

WARNING Toxic chemicals such as used for treatment of boilers or non-potable water heating appliances shall never be intro- duced into a potable water space heating system. WARNING This water heater shall not be connected to any heating systems or component(s) previously used with a non- potable wat...

7 Facts to Consider About the Location You should carefully choose an indoor location for the new water heater, because the placement is a very important consideration for the safety of the occupants in the building and for the most econom- ical use of the appliance. This water heater is not for use...

12 ″ min. FORCED AIR INLET 12 ″ min. 36 ″ min. IF “A” DIMENSION IS LESS THAN 120 ″ 12 ″ min. PD VENT TERMINAL PD VENT TERMINAL 12 ″ min. GRADE “A” CORNER INSTALLATION OF INLET AND OUTLET NOT RECOMMENDED 8 Locating the New Water Heater (cont’d) Figure 2 Combustion Air and Exhaust Venting Through an O...

Must maintain adequate service and maintenance accessibility. Range of degrees available for vent pipe installation. Figure 5 Figure 7 Locating the New Water Heater (cont’d) 9 Figure 6 Air for Ventilation for Appliances Located in Confined Spaces Air for ventilation should be provided if installed i...

Installing the New Water Heater SHUTOFF VALVE COLD INLET WATER LINE HOT OUTLET TO HOUSE TEMPERATURE- PRESSURE RELIEF VALVE DISCHARGE PIPE (Do not cap or plug) PROVIDE A 6 ″″ AIR GAP BETWEEN THE END OF THE DISCHARGE PIPE AND DRAIN EXHAUST VENT TO OUTDOORS INTAKE FOR COMBUSTION AIR GAS SUPPLY Water Pi...

Temperature-Pressure Relief Valve Installing the New Water Heater (cont’d) TEMPERATURE- PRESSURE RELIEF VALVE DISCHARGE PIPE (Do not cap or plug) PROVIDE A 6 ″″ AIR GAP BETWEEN THE END OF THE DISCHARGE PIPE AND DRAIN 11 COLD TEMPERED WATER OUTLET HOT WARNING The temperature-pressure relief valve mus...

Installing the New Water Heater (cont’d) 12 Filling the Water Heater To fill the water heater with water:1. Close the water heater drain valve by turning the handle to the right (clockwise). The drain valve is on the lower front of the water heater. 2. Open the cold water supply valve to the water h...

Installing the New Water Heater (cont’d) 13 absence of local codes, with the National Electrical Code, ANSI/NFPA 70 (latest edition). 6. Replace the wiring junction cover using the screws provided. Venting All vent gases must be completely vented to the outdoors of the structure (dwelling). Wiring D...

Installing the New Water Heater (cont’d) A gas line of sufficient size must be run to the water heater. Consult the latest edition of National Fuel Gas Code ANSI Z223.1, also referred to as NFPA 54 and the gas company concerning pipe size.There must be: —A readily accessible manual shut off valve in...

20 Installation Checklist BEFORE OPERATING THE WATER HEATER: 1. Check the gas line for leaks. a. Use a soapy water solution. DO NOT test for gas leaks using a match or open flame. b. Brush the soapy water solution on all gas pipes, joints and fittings. c. Check for bubbling soap. This means you have...

21 Operating This water heater is equipped with an electrically operated venting system and electronic control. For the burner to come on, the water heater thermostat must call for heat. Then the system will begin sequencing, each section prov- ing itself before gas is allowed to flow to the burner....

23 Operating (cont’d) FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly, a fire or explosion mayresult causing property damage, personal injury or loss of life. A. This appliance does not have a pilot. It is equipped with an ignition device which automatic...

24 Due to the nature of the typical gas water heater, the water temperature in certain situations may vary up to 30°F high- er or lower at the point of use such as, bathtubs, showers, sink, etc. This means that when the temperature adjustment dial is set at the mark approximating 120°F, the actual w...

25 Start Up Conditions CONDENSATION Whenever the water heater is filled with cold water, a cer- tain amount of condensation will form while the burner is on. A water heater may appear to be leaking when in fact the water is condensing. This usually happens when: a. When a new water heater is filled ...

27 Periodic Maintenance Burner Cleaning NOTE: Burner assembly must be handled carefully to avoid damaging the hot surface ignitor. In the event your burner needs cleaning, use the following instructions:If inspection of the burner shows that cleaning is required, turn the gas control knob clockwise ...

29 Water at the vent pipe is water vapor which has condensed out of the combustion products. This is caused by a problem in the vent. Contact the gas utility. * Condensation may be seen on pipes in humid weather or pipe connections may be leaking. * The primary anode rod fitting may be leaking. Smal...

30 Troubleshooting THERMOSTAT AND GAS SUPPLY CHECK Is thermostat calling for heat? Run (hot) water from heater and turn adjustment knob higher. Check using a manometer at thermostat pressure tap. Is there a minimum gas pressure 4 ″ W.C. for natural gas or 10 ″ W.C. for propane (L.P.) gas? GO TO ELEC...

INSTALLATIONS WHERE WATER HEATERS ARE MANI- FOLDED: THREE (3) IMPORTANT CONDITIONS THAT MUST BE NOTED: 1. All water heaters must be the same model. 2. All water heaters must be evenly spaced to provide iden- tical number of turns, length and size of pipes in each manifold. This is absolutely necessa...

36 Repair Parts 11 9 10 32 31 30 20 8 18 21 28 7 24 17 22 16 29 12 15 26 33 23 6 25 14 29 27 19 13 5 Outlet Parts Only 3 1 2 34 4 MODEL: 75-70