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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  
    						
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