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American Water Heater 80 Thermal Efficiency UltraLow NOx Heavy Duty Commercial Gas Water Heater BCL3 User Manual
American Water Heater 80 Thermal Efficiency UltraLow NOx Heavy Duty Commercial Gas Water Heater BCL3 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 - (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
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.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
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.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
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.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
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-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
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-FL UE (3 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. HOT WATER RETURN ALTERNATE LOCATION HOT WATER TO FIXTURES AOS STORAGE TANK HEATER HEATER HEATER FINISHED FLOOR EXPANSION TANK COLD WATER SUPPLY PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN 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 F LUE (4 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. EXPANSION TANKCOLD WATER SUPPLY HOT WATERTO FIXTURES FINISHED FLOOR HOT WATE R RETURN PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN
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. 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 (4 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. HOT WATERTO FIXTURES HOT WATER RETURNCOLD WATER SUPPLY EXPANSION TANK ALT. COLD WATER CONNECTION AOS STORAGE TANK HEATER HEATER HEATER HEATER FINISHED FLOOR PIPE T&P TO OPEN DRAIN PIPE T&P TO OPEN DRAIN 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. 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 (4 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. HOT WATER TO FIXTURES HOT WATER RETURN COLD WATER SUPPLY ALTERNATE LOCATION AOS STORAGE TANK HEATER HEATER HEATER HEATER FINISHED FLOOR 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 PIPE T&P TO OPEN DRAIN