State Industries 650A User Manual Page 1

1MODELS GPG/GPV-540A, 650A AND 740ACOMMERCIAL GAS, GLASS-LINED, TANK-TYPE LOW NOx WATER HEATER195047-001 CAUTIONTEXT IN BLACK BOLD TYPE OR UNDERLINED

101. Shall be located not less than 12” (304.8 mm) above grade.2. Shall be located not less than 3 (.9144 m) feet horizontally from and not le

115. Attach a properly sized length of Selkirk Metalbestos model PS or model G venting to the exhaust vent adapter using the inner vee bands, see Fig

12TABLE 9AMAXIMUM CAPACITY OF PIPE IN CUBIC FEET OF GAS PER HOUR(Based upon a Pressure Drop of 0.5 inch Water Column

13ROBERTSHAW® 7000 DERHC GAS CONTROL VALVEFIGURE 10.WATER LINE CONNECTIONSFollowing are detailed installation diagrams for typical methods of applicat

14INSTALLATION DIAGRAMSONE TEMPERATURE - ONE HEATER VERTICAL STORAGE TANKFORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION DANGERIF BUILDING

15TWO TEMPERATURE - ONE HEATER HIGH TEMPERATUREWITH OR WITHOUT BUILDING RECIRCULATIONTWO TEMPERATURE - TWO HEATERS HIGH TEMPERATUREWITH OR WITHOUT BUI

16CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACKFLOW PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE, PROVISIONS FOR THERMAL EXPA

17TWO TEMPERATURE - ONE HEATER HIGH TEMPERATUREWITH RECIRCULATION OF SANITIZING LOOPCAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACKFLOW PREV

18MANIFOLD KITSPrecision cut type “L” all copper State manifold kits assure water ow balance of all units. Without this balance, the full water heat

19HEATER WIRINGIF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED, IT MUST BE REPLACED WITH 105°C WIRE OR ITS EQU

2FOREWORDThe design of the GPG 540A through 740A models complies with ANSI Z21.10.3/CSA 4.3 as an automatic circulating tank and an automatic instanta

20FIGURE 11.

21FIGURE 12.

22FOR YOUR SAFETY READ BEFORE LIGHTING1. Remove thermostat control cover.2. Set thermostat to lowest setting.3. Turn burner switch to “OFF”.WARNING

23 DANGERTHIS WATER HEATER IS EQUIPPED WITH AN ADJUSTABLE THERMOSTAT TO CONTROL WATER TEMPERATURE. HOT WATER TEMPERATURES REQUIRED FOR AUTOM

241. Check gas line pressure with a manometer. Set initial gas line pressure at 9-10” w.c. before turning the heater “ON”. Read gas line pr

25PREMIX LOW NOx BURNER - EXPLODED VIEW FOR GPG MODELSFIGURE 13.

26PREMIX LOW NOx BURNER - EXPLODED VIEW FOR GPV MODELSFIGURE 14.

27GENERAL INFORMATIONPOWER BURNERThe initial start-up procedure of the gas power burner is provided on page 18 thru 21. Refer to Figure 12, burner exp

28DRAININGThe heater must be drained if it is to be shut down and exposed to freezing temperatures. Maintenance and service procedures may also requir

29ABOVE ALL, DO NOT PLUG THE TEMPERATURE AND PRESSURE RELIEF VALVE. THIS IS NOT A SOLUTION AND CAN CREATE A HAZARDOUS SITUATION.CIRCULATING PU

3are different from natural gas models. A natural gas heater will not function safely on LP gas and no attempt should be made to convert a heater fro

302. Check the fuses. • The electrical disconnect switch usually contains fuses.3. The capacity of the heater may have been exceeded by a l

3120, and the troubleshooting section of burner manual before continuing.Make sure the appliance is connected to a 120 Vac power supply, burner swit

325. As soon as the pilot gas valve is energized, check for the burner pilot flame through the burner peek-hole. If the pilot flame is established

33Model GPG/GPV Limited WarrantyFactory Start-Up is required for activating warranty and assuring maximum operating performance. Contact your local sa

34COMMERCIAL TANK TYPE WATER HEATER REPLACEMENT PARTS LISTMODELS GPG/GPV-540A THRU 740ASERIES 104STATE WATER HEATERS500 Lindahl Parkway, Ashland City,

351... Anode, Plug ...9003892005(4) ...9003892005(4) ...90

36GPG BURNER ASSEMBLY(FOR ALL PARTS ON THIS BURNER CONTACT: Wayne Combustion Systems, 801 Glasgow Ave, Fort Wayne IN 46803)

37500 Lindahl Parkway, Ashland City, TN 37015Phone: 800-821-2017 Fax: 800-644-9306www.statewaterheaters.com

4and sodium chloride (water softener salt), waxes, and process chemicals are typical compounds which are potentially corrosive. Do not store pr

5Continued manual resetting of high limit control, preceded by higher than usual water temperature is evidence of high limit switch

6Units, which are to be installed on combustible ooring, must be supported by a full layer of hollow concrete blocks, from 8” (2

7Heater must be protected from freezing downdrafts during shutdown periods.The GPG 540A, 650A and 750A water heater are classied as a category

8Refer to Table 2 for limitations of venting system design for horizontal venting.TABLE 2 GPV-540A-740A Flue Outlet Dia. (Inches/

9DIRECT VENTING - FOR GPV MODELSAll exhaust vent terminal, ue reducer, and intake vent terminal are supplied with any unit intended for direct ventin