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American Water Heater Heavy Duty Commercial Gas BCG3 User Manual
American Water Heater Heavy Duty Commercial Gas BCG3 User Manual
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41 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage. 4 . The Tank Temperat ure Cont rol should be wired t o and control the pump between t he wat er heat er(s) and the storage t ank(s). 5 . The wat er heat er’s operat ing thermost at should be set 5 degrees F higher t han the Tank Temperat ure Cont rol.MUL TI FLUE - (1 UNIT) WITH HORIZON TAL ST ORAGE TANK LEGEND TEMPERA TURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALV E TEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. FINISHED FLOOR HOT W ATER TO FIXTURES COLD WATER SUPPLY HOT WATER RETURN FROM FIXTURES ALTERNATE LOCATION CIRCULATING PUMP EXPANSION TANK PIPE T&P TO OPEN DRAIN
42 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage. 4 . The Tank Temperat ure Cont rol should be wired t o and control the pump between t he wat er heat er(s) and the storage t ank(s).MULTI FLUE - (1 UNIT) WITH MIXING VAL VE TWO TEMPERA TURE LEGEND TEMPERATURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALVETEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. TEMPERED WATER RETURN TEMPERED WATER O UTLE T HOT W ATER O UTLE T HOT WATER RETURN COLD WATER SUPPLY COLDHOT EXPANSION TANK PIPE T&P TO OPEN DRAIN
43 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage. 4 . The Tank Temperat ure Cont rol should be wired t o and control the pump between t he wat er heat er(s) and the storage t ank(s).MULTI FLUE - (2 UNITS) LEGEND TEMPERA TURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALV E TEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. HOT W ATER T O FIXTURES COLD WATER SUPPLY HOT WATER RETURN EXPANSION TANK PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN
44 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage. 4 . The Tank Temperat ure Cont rol should be wired t o and control the pump between t he wat er heat er(s) and the storage t ank(s). 5 . The wat er heat er’s operat ing thermost at should be set 5 degrees F higher t han the Tank Temperat ure Cont rol.MUL TI FLUE - (2 UNITS) WITH VE RTICAL STORAGE TANK LEGEND TEMPERA TURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALV E TEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. FINISHED FLOOR COLD WATER SUPPLY HOT WATER TO FIXTURES ALTERNATE COLD WATER CONNECTION HOT WATER RETURN EXPANSION TANK PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN
45 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage. 4 . The Tank Temperat ure Cont rol should be wired t o and control the pump between t he wat er heat er(s) and the storage t ank(s). 5 . The wat er heat er’s operat ing thermost at should be set 5 degrees F higher t han the Tank Temperat ure Cont rol.MUL TI FLUE - (2 UNITS) WITH VE RTICAL STORAGE TANK LEGEND TEMPERA TURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALV E TEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. FINISHED FLOOR COLD WATER SUPPLY HOT WATER TO FIXTURES ALTERNATE COLD WATER CONNECTION HOT WATER RETURN EXPANSION TANK PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN
46 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage. 4 . The Tank Temperat ure Cont rol should be wired t o and control the pump between t he wat er heat er(s) and the storage t ank(s). 5 . The wat er heat er’s operat ing thermost at should be set 5 degrees F higher t han the Tank Temperat ure Cont rol.MUL TI FLUE - (2 UNITS) WITH HORIZON TAL ST ORAGE TANK LEGEND TEMPERA TURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALV E TEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. FINISHED FLOOR HOT W ATER TO FIXTURES COLD WATER SUPPLY HOT WATER RETURN FROM FIXTURES ALTERNATE LOCATION EXPANSION TANK PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN
47 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage.MUL TI FLUE (2 UNITS) TWO TEMPER ATURE LEGEND TEMPERA TURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALV E TEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. BOOSTER WATER RETUR N PRE-HEATED WATER TO BOOSTER BOOSTER WATERTO FIXTURES HOT WATER TO FIXTURES EXPANSION TANK HOT WATER RETURN COLD WATER SUPPLY 1st HEATER BOOSTER HEATER
48 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage.MUL TI FLUE (2 UNITS) WITH BOOSTER T WO TEMPER ATURE LEGEND TEMPERA TURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALV E TEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. EXPANSION TANK BOOSTED WATER OUTLET TYPICAL BOOSTER HEATER PRE-HEATER PRE-HEATER MUST BE IDENTICAL HEATERS FINISHED FLOOR COLD WATER SUPPLY HOT OUTLETAT STORED TEMPERATUREBOOSTER RETURN (IF USED) HOT WATE R RETURN PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN
49 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage.MUL TI-FL UE (3 UNITS) LEGEND TEMPERA TURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALV E TEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. HOT WATERTO FIXTURES HOT WATE R RETURN COLD WATER SUPPLY EXPANSION TANK PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN
50 NOTES: 1 . Pref erred piping diagram. 2 . The t emperat ure and pressure relief valve setting shall not exceed pressure rating of any component in the syst em. 3 . Servic e v alv es are s hown f or serv icing unit. However , local codes shall govern t heir usage. 4 . The Tank Temperat ure Cont rol should be wired t o and control the pump between t he wat er heat er(s) and the storage t ank(s). 5 . The wat er heat er’s operat ing thermost at should be set 5 degrees F higher t han the Tank Temperat ure Cont rol.MUL TI-FL UE (3 UNITS) WITH VE RTICAL S TORA GE TANK LEGEND TEMPERA TURE & PRESSURE RELIEF V ALVEPRESSURE RELIEF V ALVECIRCULA TING PUMPTA NK TE M PER AT URE CO NTR O LDRAIN FULL POR T BALL VALV E TEMPERA TURE GAGEW ATER FLOW SWITCH CHECK V ALVE W ARNING: THIS DRA WING SHOWS SUGGESTEDPIPING CONFIGURA TION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS. TO FIXTURES HOT WATE R RETURN ALT. COLD WATER CONNECTION AOS STORAGE TANK HOT WATER HEATER HEATER HEATER FINISHED FLOOR COLD WATER SUPPLY EXPANSION TANK PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN