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EPJ SERIES INDIRECT WATER HEATERS – Installation and Service Manual

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NOTES

Section 10

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Summary of Contents for EPJ-119-SC

Page 1: ...anks 94 Riverside Drive North Vancouver B C V7H 2M6 Telephone 604 929 1214 www alliedboilers com Branches Calgary Edmonton Toronto Denver WARNING Read this manual and all information provided with the appliance before installation operation or service Failure to follow the instructions may result in severe personal injury death or substantial property damage Installation and service must be perfor...

Page 2: ... 3 WATER PIPING 8 3 1 BOILER WATER PIPING 8 3 2 DOMESTIC WATER PIPING 12 3 3 T P RELIEF VALVE 13 3 4 WATER HAMMER 13 SECTION 4 WIRING 14 SECTION 5 STARTUP AND ADJUSTMENT 19 5 1 PRE START UP CHECKLIST 19 5 2 STARTUP INSTRUCTIONS 19 SECTION 6 WATER ADJUSTMENT 20 6 1 CONTROL AQUASTAT 20 6 2 AQUASTAT TEMPERATURE 20 6 3 TEMPERATURE ADJUSTMENT 21 SECTION 7 SERVICE AND MAINTENANCE 22 7 1 GENERAL OPERATIO...

Page 3: ...put Required Btu h Standby Loss F hr EPJ 40 SC 8 2 6 194 160 102 000 0 6 EPJ 56 SC 8 3 2 236 189 119 000 0 5 EPJ 79 SC 13 10 7 348 281 179 000 0 5 EPJ 119 SC 15 7 5 492 391 250 000 0 4 Note Ratings are based on 180 F boiler supply and 58 F entering cold water OPERATING RESTRICTIONS Maximum Temperature for Tank 150 F Maximum Boiler Water Temperature 210 F Maximum Working Pressure for Tank 150 PSIG ...

Page 4: ...25 23 10 2 21 EPJ 56 SC 62 52 28 26 10 2 21 EPJ 79 SC 69 60 31 28 9 1 23 EPJ 119 SC 65 52 39 37 11 2 28 CONNECTIONS NPT Model Cold Water Inlet Hot Water Outlet Boiler Water Outlet Boiler Water Inlet Relief Valve Sensor Well EPJ 40 SC M M 1 M 1 M F F EPJ 56 SC M M 1 M 1 M F F EPJ 79 SC M M 1 M 1 M F F EPJ 119 SC 1 M 1 M 1 M 1 M 1 F F Notes 1 Aquastat w well T P Relief Valve and Combi Tee Drain Valv...

Page 5: ...ERS Installation and Service Manual 5 1 3 PRESSURE DROP CHART Boiler Water Pressure Drop through Coil EPJ 40 SC EPJ 56 SC EPJ 79 SC EPJ 119 SC 0 2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 14 16 18 Pressure Drop Ft of Head Flow Rate US GPM ...

Page 6: ...e or other flammable fuels or chemicals which have flammable vapors near the tank The vapors may be ignited by the heat or electronic components of the tank WARNING The indirect water heater should be located in an area where water leakage of the tank or its connections will not result in damage to the area adjacent to the appliance or to lower floors of the structure When such locations cannot be...

Page 7: ...r Temperature for Tank 150 F Maximum Water Temperature for Coil 210 F Maximum Working Pressure for Tank 150 PSIG 2 5 WATER QUALITY Always use good quality water to prolong the life of the tank Water that is safe to drink and even city water is not necessarily good quality water for the tank The use of water treatment and filters can prevent corrosion and reduce sediment in the tank Water hardness ...

Page 8: ...ken to ensure hot water priority during cold weather conditions does not result in freezing damage to the other zones Zone Circulator System This system is run the same as a standard heating zone except one zone is piped to the water heater and can be prioritized by using a zone circulator pump Zone Valve System This system is run the same as a standard heating zone except one zone is piped to the...

Page 9: ...EPJ SERIES INDIRECT WATER HEATERS Installation and Service Manual 9 3 2 BOILER WATER PIPING DIAGRAMS BOILER WATER PIPING ...

Page 10: ...EPJ SERIES INDIRECT WATER HEATERS Installation and Service Manual 10 BOILER WATER PIPING ...

Page 11: ...EPJ SERIES INDIRECT WATER HEATERS Installation and Service Manual 11 BOILER WATER PIPING WITH MULTIPLE WATER HEATERS ...

Page 12: ... be installed in accordance with the manufacturer s instructions Do not install any valve or restrictions between the expansion tank and the hot water tank Improper piping of the expansion tank check valve or backflow preventer could cause excessive pressure in the tank tank failure and substantial property damage A T P relief valve must be installed See section 3 5 T P Relief Valve for important ...

Page 13: ...nt is immersed in water in the top of the tank No valve reducing coupling or other restriction is to be placed between the T P relief valve and the tank connection No valve reducing coupling pipe plug pipe cap or other restriction is to be placed in the discharge piping Improper placement or piping of the T P relief valve can cause severe personal injury death or substantial property damage The di...

Page 14: ...dition They expand on and take precedence over any recommendations in this manual If there is any conflict in the above requirements the more stringent requirement applies The indirect water heater must be grounded in accordance with the above requirements Wire the aquastat in accordance with the aquastat manufacturer s instructions Wiring for the aquastat is typically connected through the juncti...

Page 15: ...EPJ SERIES INDIRECT WATER HEATERS Installation and Service Manual 15 ...

Page 16: ...EPJ SERIES INDIRECT WATER HEATERS Installation and Service Manual 16 ...

Page 17: ...EPJ SERIES INDIRECT WATER HEATERS Installation and Service Manual 17 ...

Page 18: ...EPJ SERIES INDIRECT WATER HEATERS Installation and Service Manual 18 ...

Page 19: ...talled correctly no exposed high voltage wiring is present and the unit is properly grounded 5 2 STARTUP INSTRUCTIONS 1 Make sure all electrical power is OFF 2 Close the drain valve on tank 3 Open domestic water supply valve 4 Open the closest hot water faucet to vent air from the system 5 Close faucet when there is a constant flow of water 6 For boiler side piping follow boiler instructions to pu...

Page 20: ...at faucets and a tank temperature not lower than 140 F 60 C to limit the potential for legionella pneumophila growth Contact your local health authority for more information 6 1 CONTROL AQUASTAT A control aquastat and thermowell must be installed in order to control the maximum temperature of the tank The upper limit of the aquastat s adjustable range must not exceed 150 F First install the well i...

Page 21: ...e water to sit until another heat up cycle is initiated 4 Wait until the heat up cycle is completed 5 Recheck the water temperature at the faucet If the water at the faucet is colder than needed 1 If a thermostatic mixing valve is used check that it is properly set 2 Adjust the aquastat to a higher temperature setting 3 If a heat up cycle begins wait until the heat up cycle is completed and rechec...

Page 22: ...spector for information on how to correct this situation Do not plug the temperature and pressure relief valve Hydrogen Sulfide gas can be produced in a hot water system that has not been used for a long period of time generally two weeks or more Hydrogen Sulfide gas is extremely flammable To prevent the possibility of injury under these conditions we recommend the hot water faucet to be open for ...

Page 23: ...e T P relief valve after treatment f Close drain valve g Open domestic water inlet shut off valve Close hot water faucet after flow is established h Resume power 4 T P Relief Valve DANGER Before operating T P relief valve make sure no person is near the T P relief valve discharging piping Hot discharge water can cause severe personal injury or substantial property damage Check T P relief valve is ...

Page 24: ...uate water heater Undersized boiler with no priority to domestic hot water Rewire for priority check sizing Slow Hot Water Recovery Undersized boiler with no priority to domestic hot water Rewire for priority check sizing Inadequate boiler water flow Check circulator sizing Ensure valve is open Purge and bleed piping Circulator capacity too low Replace circulator with correct one Scale build up in...

Page 25: ...o the Warranty Registration section of the website to register your product warranty Option 2 Please fill out the required information on the card below detach insert in an envelope and mail with appropriate postage to Allied Engineering address provided on opposite side of card Note The Serial No and Model can be found on the rating plate The rating plate is located on the jacket of the tank near...

Page 26: ...EPJ SERIES INDIRECT WATER HEATERS Installation and Service Manual 26 ...

Page 27: ...EPJ SERIES INDIRECT WATER HEATERS Installation and Service Manual 27 NOTES Section 10 ...

Page 28: ...on and Service Manual Manufacturers of Gas and Electric Boilers Heat Exchangers Electric Boosters Indirect Tanks 94 Riverside Drive North Vancouver B C V7H 2M6 Telephone 604 929 1214 www alliedboilers com Branches Calgary Edmonton Toronto Denver ...

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