COMMERCIAL GAS WATER HEATERSInstruction ManualPRINTED 1112 325010-000PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTUR
10INSULATION BLANKETDo not obstruct water heater air intakewith insulating blanket.Gas and carbon monoxide detectorsare available.Install water heater
11HIGH ALTITUDE INSTALLATIONSFire and Explosion HazardGas and carbon monoxide detectors areavailable.Overfiring could result in fire orexplosion.Under
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13HOT WATEROUTLETTO TANKINLETCHECKVALVEMIXINGVALVECOLDWATERINLETTEMPERED WATEROUTLET12” TO 15”(30-38 cm)CHECKVALVEFIGURE 10.DISHWASHING MACHINES
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15Unusually Tight Construction
16MULTIPLE HEATER MANIFOLD FIGURE 1
18TYPE B GAS VENTMultiple Gas Fired Tank-Type Heaters
19TABLE 7. TECHNICAL DATA VENTING (Continued) 6 8 10 15
2 16 16
20WATER HEATER INSTALLATIONT&P VALVE DISCHARGE PIPEExplosion HazardTemperature-Pressure Relief Valvemust comply with ANSI Z21.22-CSA 4.4 and ASME
21INSTALLATION DIAGRAMS - TOP INLET/OUTLET USAGE
22HEATER WIRING
23GAS PIPING
24PRIOR TO START UP
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SEQUENCE OF OPERATION FLOW CHARTThermostat calls
28VENTING SYSTEM
29DRAINING AND FLUSHINGBurn harzard.Hot water discharge.Keep hands clear of drainvalve discharge.
3SAFE INSTALLATION, USE AND SERVICE
30Chemical Hazard• Product contains phosphoric acid.• Keep out of reach of children.• Use rubber or neoprene gloves.
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33COMPLAINT CAUSEREMEDYUSER QUALIFIED SERVICE AGENCY*Water not hot enough temperature
34NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
35NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
36NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
38NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
39NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
4GENERAL SAFETY INFORMATIONFire HazardDo not install water heater oncarpeted floor.Do not operate water heater ifflood damaged.For continued protectio
40NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
41NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
42NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
43NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
44NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
45NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
46NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
48NOTES:1. Preferred piping diagram.2. The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the sy
49 MANIFOLD KITS
5PRECAUTIONS
LIMITED WARRANTY
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6 ABBREVIATIONS
FEATURES AND COMPONENTSCONTROLSFIGURE 1.Variable Frequency Drive (VFD)
8ROUGH IN DIMENSIONSINSTALLATION CONSIDERATIONSBACK VIEWKLTOP VIEW FMTOP OUTLET1 1/2" NPTTOP INLET1 1/2" NPTFRONT VIEW J B G EDHAC1 1/2&qu
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