Instruction Manual COMMERCIAL GAS WATER HEATERS MODELS AHCG3/HCG3 60T 120 THROUGH AHCG3/HCG3 100T 250 SERIES 100 & 101 www.americanwaterheater.com American Water Heater Johnson City, TN 37605 INSTALLATION - OPERATION - SERVICE - MAINTENANCE - LIMITED WARRANTY WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.
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GENERAL SAFETY INFORMATION PRECAUTIONS HYDROGEN GAS FLAMMABLE '2 127 86( 7+,6 :$7(5 +($7(5 ,) $1< 3$57 +$6 %((1 81'(5 :$7(5 ,PPHGLDWHO\ FDOO D TXDOL¿HG VHUYLFH DJHQF\ WR LQVSHFW WKH ZDWHU KHDWHU DQG WR PDNH D GHWHUPLQDWLRQ RQ ZKDW VWHSV VKRXOG EH WDNHQ QH[W Explosion Hazard ,I WKH XQLW LV H[SRVHG WR WKH IROORZLQJ GR QRW RSHUDWH KHDWHU XQWLO DOO FRUUHFWLYH VWHSV KDYH EHHQ PDGH E\ D TXDOLILHG VHUYLFH DJHQF\ Flammable hydrogen gases may be present.
GENERAL SAFETY INFORMATION Fire or Explosion Hazard Fire Hazard Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. For continued protection against risk of fire: Avoid all ignition sources if you smell gas. Do not expose water heater controls to excessive gas pressure. Do not install water heater on carpeted floor. Do not operate water heater if flood damaged. Use only the gas shown on the water heater rating label.
INTRODUCTION 7KDQN
FEATURES AND COMPONENTS BLOWER/BURNER ASSEMBLY DETAIL BASIC OPERATION 7KH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO KDYH D KHOLFDO FRLO VKDSHG KHDW H[FKDQJHU WKDW LV VXEPHUJHG LQ WKH VWRUDJH WDQN 7KH ZDWHU KHDWHU¶V 0DLQ %XUQHU LV D UDGLDO GHVLJQ EXUQHU LW LV PRXQWHG RQ WKH WRS DQG ¿UHV GRZQZDUG WKURXJK WKH KHDW H[FKDQJHU 7KLV LV D IRUFHG GUDIW EXUQHU KRW EXUQLQJ JDVHV DUH IRUFHG WKURXJK WKH KHDW H[FKDQJHU XQGHU SUHVVXUH DQG H[LW WKURXJK WKH H[KDXVW YHQW FRQQHFWLRQ
TOP VIEWS 120,000 & 150,000 Btu/hr MODELS TOP VIEW 6 7 8 9 10 2 5 11 4 12 13 3 2 14 FRONT 15 16 1 17 Figure 3 A/HCG3 120 & 150 COMPONENTS 9HQW FRQQHFWLRQ H[KDXVW HOERZ LQFK 39& :DWHU +HDWHU¶V 9$& RQ RII VZLWFK &RPEXVWLRQ %ORZHU 3RZHUHG DQRGH URGV 7KH ZDWHU KHDWHU¶V FRYHUHG LQ WKLV PDQXDO DUH HTXLSSHG ZLWK SRZHUHG QRQ VDFUL¿FLDO DQRGH URG V 7KH $ +&* KDV RQH SRZHUHG DQRGH DOO RWKHU PRGHOV ZLOO KDYH WZR 3URWHFWLYH FXUUHQW L
TOP VIEWS (CONT) 199,000 & 250,000 Btu/hr MODELS TOP VIEW 7 2 8 10 9 6 5 11 4 12 13 3 2 14 FRONT 15 16 1 17 Figure 4 *DV 3UHVVXUH 5HTXLUHPHQWV DQG 7DEOH RQ SDJH A/HCG3 199 & 250 COMPONENTS :DWHU +HDWHU¶V 9$& RQ RII VZLWFK 9HQW FRQQHFWLRQ H[KDXVW HOERZ LQFK 39& 3RZHUHG DQRGH URGV 7KH ZDWHU KHDWHU¶V FRYHUHG LQ WKLV PDQXDO DUH HTXLSSHG SRZHUHG QRQ VDFULILFLDO DQRGH URGV 7KH $ +&* KDV RQH SRZHUHG DQRGH DOO RWKHU PRGHOV ZLOO KDYH WZR 3URWHF
4 5 5 6 4 13 3 14 2 3 7 8 2 9 15 10 11 1 12 16 LEFT SIDE 120,000 & 150,000 Btu/hr MODELS RIGHT SIDE 199,000 & 250,000 Btu/hr MODELS Figure 5 SIDE VIEWS &OHDQRXW DFFHVV SDQHO FRYHUV ZDWHU KHDWHU FOHDQRXW RSHQLQJ 7HPSHUDWXUH 3UHVVXUH 5HOLHI 9DOYH GLVFKDUJH SLSH VHH 7 3 9DOYH 'LVFKDUJH 3LSH 5HTXLUHPHQWV RQ SDJH &&% HQFORVXUH VHH EHJLQQLQJ RQ SDJH IRU GHVFULSWLRQ /RZHU 7HPSHUDWXUH 3UREH RI WHPSHUDWXUH SUREHV 7KH ZDWHU KHDWHU¶V FRQWURO V\VW
INSTALLATION CONSIDERATIONS ROUGH IN DIMENSIONS SUPPLY GAS CONNECTION INTAKE AIR CONNECTION 3 INCH PVC WATER OUTLET HEIGHT FRONT I BACK T & P VALVE E F B H D CLEANOUT VENT CONNECTION 3 INCH PVC (exhaust elbow) 3/4” NPT DRAIN 1 1/2” NPT WATER INLET CONDENSATE DRAIN CONNECTION 1/2 INCH PVC C A G These designs comply with the current edition of the American National Standard for Gas Water Heaters, Volume III, ANSI Z21.10.3 / CSA 4.
GAS LINE CONNECTION SIZE STORAGE CAPACITIES TABLE 1 TABLE 2 † MODEL $ +&* 7 $ +&* 7 $ +&* 7 $ +&* 7 6(5,(6 100/101 100/101 100/101 100/101 1$785$/ *$6 3/4 "NPT 3/4 "NPT 3/4 "NPT 3/4 "NPT 3523$1( *$6 3/4 "NPT 3/4 "NPT 3/4 "NPT 3/4 "NPT MODEL $ +&* 7 $ +&* 7 $ +&* 7 $ +&* 7 8 6 *$//216 60 100 100 100 /,7(56 227 379 379 379 'HSHQGLQJ RQ WKH LQVWDOOHG HTXLYDOHQW OHQJWK DQG RU WKH QXPEHU RI DSSOLDQFHV FRQQHFWHG WKH VXSSO\ JDV OLQH VL
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MIXING VALVES HOT WATER OUTLET Water temperature over 125°F (52°C) can cause severe burns instantly resulting in severe injury or death. 12” TO 15” (30-38 cm) Children, the elderly and the physically or mentally disabled are at highest risk for scald injury. TEMPERED WATER OUTLET Feel water before bathing or showering. CHECK VALVE COLD WATER INLET Temperature limiting devices such as mixing valves must be installed when required by codes and to ensure safe temperatures at fixtures.
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2” (5 cm) MAXIMUM 24 INCHES (61 cm) MINIMUM 48 INCHES (122 cm) IN COLDER CLIMATES FACTORY SUPPLIED STANDARD TERMINATION POINTED DOWN TOWARDS THE GROUND FIELD SUPPLIED 90° ELBOW FIELD SUPPLIED 90° ELBOW NOTE: INTAKE AIR TERMINATION SHOWN HERE FIELD SUPPLIED PLUMBING ROOF BOOT OR FLASHING INTAKE AIR TERMINATION VENT (EXHAUST) TERMINATION FACTORY SUPPLIED STANDARD TERMINATIONS POINTED DOWNWARD MAINTAIN 12” (30 cm) 18” (45 cm) FOR CANADA MINIMUM CLEARANCE ABOVE HIGHEST ANTICIPATED SNOW LEVEL.
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WATER LINE CONNECTIONS T&P VALVE DISCHARGE PIPE 7KH ZDWHU SLSLQJ LQVWDOODWLRQ PXVW FRQIRUP WR WKHVH LQVWUXFWLRQV DQG WR DOO ORFDO DQG QDWLRQDO FRGH DXWKRULW\ KDYLQJ MXULVGLFWLRQ *RRG SUDFWLFH UHTXLUHV WKDW DOO KHDY\ SLSLQJ EH VXSSRUWHG 5HDG DQG REVHUYH DOO UHTXLUHPHQWV LQ WKH IROORZLQJ VHFWLRQV EHIRUH LQVWDOODWLRQ RI WKH ZDWHU SLSLQJ EHJLQV 0L[LQJ 9DOYHV RQ SDJH Explosion Hazard Temperature-Pressure Relief Valve must comply with ANSI Z21.22CSA 4.4 and ASME code.
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OPERATING STATES 7KH FXUUHQW RSHUDWLRQDO VWDWH RI WKH ZDWHU KHDWHU LV GLVSOD\HG RQ WKH 'HVNWRS VFUHHQ DV WKH 6WDWXV 7KH FRPPRQ RSHUDWLRQDO VWDWHV DUH GHVFULEHG LQ WKH WDEOH EHORZ 6HH )LJXUH RQ SDJH DQG WKH 6HTXHQFH 2I 2SHUDWLRQ RQ SDJH TABLE 12 State Description 6WDQGE\ 7KH ZDWHU KHDWHU LV QRW LQ DQ DFWLYH KHDWLQJ F\FOH ,( WKH 7DQN 7HPSHUDWXUH LV DW RU DERYH WKH 2SHUDWLQJ 6HW 3RLQW ,QSXW 9HUL¿FDWLRQ 7KH FRQWURO V\VWHP LV FRQGXFWLQJ D GLDJQRVWLF FKHFN DW WKH EHJLQQLQJ RI D KHDWLQJ F\F
USER SETTINGS & CONTROL SYSTEM MENUS TEMPERATURES MENU Operating Set Point And Differential Adjustment 7KH 2SHUDWLQJ 6HW 3RLQW LV DGMXVWDEOH IURP ) & WR ) & 7KH IDFWRU\ VHWWLQJ LV ) & 7KH 'LIIHUHQWLDO LV DGMXVWDEOH IURP WR 7KH IDFWRU\ VHWWLQJ LV 7KHVH XVHU VHWWLQJV DUH DFFHVVHG IURP WKH 7HPSHUDWXUHV PHQX 7KH IROORZLQJ LQVWUXFWLRQV ZLOO H[SODLQ KRZ WR DGMXVW WKHVH VHWWLQJV DQG QDYLJDWH WKH FRQWURO V\VWHP PHQXV :KHQ WKH ZDWHU WHPSHUDWXUH VHQVHG E\ WKH
TEMPERATURES MENU (CONT) DESCRIPTION/ACTION DISPLAY Tank Temperature QRQ DGMXVWDEOH FRQWURO V\VWHP VHQVHG WHPSHUDWXUH DYHUDJHG IURP XSSHU DQG ORZHU WHPSHUDWXUH SUREHV Upper Temperature QRQ DGMXVWDEOH FRQWURO V\VWHP VHQVHG WHPSHUDWXUH IURP WKH 8SSHU 7HPSHUDWXUH 3UREH Lower Temperature QRQ DGMXVWDEOH FRQWURO V\VWHP VHQVHG WHPSHUDWXUH IURP WKH /RZHU 7HPSHUDWXUH 3UREH (Heater Regulated to Tank) QRQ DGMXVWDEOH FRQ¿JXUDWLRQ LQIRUPDWLRQ Upper Probe & Lower Probe Offset
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SERVICE CONTACT INFORMATION 7KH FRQWURO V\VWHP KDV D GLVFUHWH PHQX WKDW ,QVWDOOLQJ FRQWUDFWRUV DQG RU VHUYLFH DJHQWV FDQ DFFHVV WR HQWHU FRQWDFW LQIRUPDWLRQ IRU WKHLU FXVWRPHUV 7KLV FRQWDFW LQIRUPDWLRQ ZLOO EH GLVSOD\HG ZLWK DOO )DXOW DQG $OHUW PHVVDJHV DESCRIPTION/ACTION DISPLAY )URP WKH 'HVNWRS 6FUHHQ VHH )LJXUH RQ SDJH SUHVV DQG KROG GRZQ WKH PLGGOH XQPDUNHG 2SHUDWLRQDO %XWWRQ IRU VHFRQGV DQG WKHQ UHOHDVH LW Service Contact Information 7KLV ZLOO ODXQFK D GLVFUHWH PHQX
START UP PRIOR TO START UP ,QVWDOODWLRQ DQG VWDUW XS RI WKLV ZDWHU KHDWHU UHTXLUHV DELOLWLHV DQG VNLOOV HTXLYDOHQW WR WKDW RI D OLFHQVHG WUDGHVPDQ LQ WKH ¿HOG LQYROYHG VHH 4XDOL¿FDWLRQV RQ SDJH 'R QRW SODFH WKH ZDWHU KHDWHU LQ RSHUDWLRQ LI DQ\ SDUW KDV EHHQ XQGHU ZDWHU ,PPHGLDWHO\ FDOO D TXDOL¿HG VHUYLFH WHFKQLFLDQ WR LQVSHFW WKH ZDWHU KHDWHU DQG WR UHSODFH DQ\ SDUW RI WKH FRQWURO V\VWHP DQG DQ\ JDV FRQWURO ZKLFK KDV EHHQ XQGHU ZDWHU /LJKW WKH ZDWHU KHDWHU LQ DFFRUGDQ
LIGHTING THE WATER HEATER $ +&* PRGHOV WXUQ WKH RQ RII VZLWFK RQ WKH JDV YDOYH WR WKH RQ SRVLWLRQ VHH )LJXUH DQG )LJXUH 7XUQ WKH ZDWHU KHDWHU¶V RQ RII VZLWFK WR WKH ³RQ´ SRVLWLRQ :DLW IRU WKH FRQWURO V\VWHP WR FRPSOHWH LWV ERRW XS VHTXHQFH 7KH 'HVNWRS VFUHHQ VKRZLQJ WKH FXUUHQW 2SHUDWLQJ 6HW 3RLQW DQG 7DQN 7HPSHUDWXUH ZLOO EH GLVSOD\HG RQ WKH FRQWURO V\VWHP¶V /&' ZKHQ WKH ERRW XS VHTXHQFH LV FRPSOHWH 8VLQJ WKH FRQWURO V\VWHP PHQXV DQG 8,0 XVHU LQW
SUPPLY GAS PRESSURE ADJUSTMENT Breathing Hazard - Carbon Monoxide Gas Fire and Explosion Hazard Under no circumstances should the input exceed the rate shown on the water heater’s rating label. Do not use water heater with any gas other than the gas shown on the rating label. Excessive gas pressure to gas valve can cause serious injury or death. Turn off gas lines during installation. Contact a qualified installer or service agency for installation and service.
CHECKING THE FIRING RATE HIGH ALTITUDE INSTALLATIONS ,I ¿ULQJ UDWH DGMXVWPHQW LV UHTXLUHG IROORZ WKHVH LQVWUXFWLRQV WR GHWHUPLQH WKH DFWXDO ¿ULQJ UDWH RI WKH ZDWHU KHDWHU (QVXUH WKHUH DUH QR RWKHU JDV ¿UHG DSSOLDQFHV FRQQHFWHG WR WKH JDV PHWHU ¿ULQJ GXULQJ WKLV WHVW &RQWDFW WKH JDV VXSSOLHU WR GHWHUPLQH WKH KHDWLQJ YDOXH LQ %WX SHU FXELF IRRW RI WKH JDV VXSSO\ &RQQHFW D PDQRPHWHU WR WKH PDQLIROG JDV SUHVVXUH WDS )ROORZ WKH LQVWUXFWLRQV IRU ,QLWLDO 6WDUW 8S RQ SDJH
LIGHTING THE WATER HEATER LIGHTING & OPERATION LABELS 7KH LQVWUXFWLRQ ODEHO EHORZ LV DI¿[HG WR WKH ZDWHU KHDWHU V FRYHUHG E\ WKLV PDQXDO DW WKH IDFWRU\ DQG PXVW EH IROORZHG ZKHQ OLJKWLQJ DQG RSHUDWLQJ WKH ZDWHU KHDWHU A/HCG3 60T 120 AND A/HCG3 100T 150 MODELS ONLY FOR YOUR SAFETY READ BEFORE OPERATING WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. A. This appliance does not have a pilot.
LIGHTING THE WATER HEATER LIGHTING & OPERATION LABELS 7KH LQVWUXFWLRQ ODEHO EHORZ LV DI¿[HG WR WKH ZDWHU KHDWHU V FRYHUHG E\ WKLV PDQXDO DW WKH IDFWRU\ DQG PXVW EH IROORZHG ZKHQ OLJKWLQJ DQG RSHUDWLQJ WKH ZDWHU KHDWHU A/HCG3 100T 199 AND A/HCG3 100T 250 MODELS ONLY FOR YOUR SAFETY READ BEFORE OPERATING WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
TROUBLESHOOTING INSTALLATION CHECKLIST SEQUENCE OF OPERATION 7KH OLVW EHORZ UHSUHVHQWV VRPH RI WKH PRVW FULWLFDO LQVWDOODWLRQ UHTXLUHPHQWV WKDW ZKHQ RYHUORRNHG RIWHQ UHVXOW LQ RSHUDWLRQDO SUREOHPV GRZQ WLPH DQG QHHGOHVV SDUWV UHSODFHPHQW 7KLV LV QRW D FRPSOHWH OLVW %HIRUH SHUIRUPLQJ DQ\ WURXEOHVKRRWLQJ SURFHGXUHV XVH WKH OLVW EHORZ WR FKHFN IRU LQVWDOODWLRQ HUURUV &RVWV WR FRUUHFW LQVWDOODWLRQ HUURUV DUH QRW FRYHUHG XQGHU WKH OLPLWHG ZDUUDQW\ (QVXUH
SEQUENCE OF OPERATION FLOW CHART If tank temperature drops below Operating Set Point minus Differential setting a heating cycle is activated Control System performs diagnostic checks Normal State of all pressure switches and ECO are checked Blower Prover pressure switch verified open All other pressure switches and ECO are verified closed NO Control System Locks Out Displays Fault Msg Combustion Blower is energized Pre-Purge cycle Blower Prover switch contacts confirmed closed by control system NO Co
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FAULT AND ALERT MESSAGES (CONT) &DOO WKH WHFKQLFDO VXSSRUW SKRQH QXPEHU OLVWHG RQ WKH EDFN FRYHU IRU IXUWKHU WHFKQLFDO DVVLVWDQFH RU WR ORFDWH D TXDOL¿HG VHUYLFH DJHQW LQ \RXU DUHD POSSIBLE CAUSES - CHECK/REPAIR DISPLAYED FAULT/ALERT MESSAGE 7KH FRQWURO V\VWHP KDV GHWHFWHG WKH %ORZHU 3URYHU 6ZLWFK FRQWDFWV DUH FORVHG ZKHQ WKH\ VKRXOG EH RSHQ DW WKH EHJLQQLQJ RI D KHDWLQJ F\FOH VHH WKH 6HTXHQFH 2I 2SHUDWLRQ RQ SDJH 3LQFKHG VKRUWHG %ORZHU 3URYHU 6ZLWFK ZLULQJ VHH EHJLQQLQJ RQ SDJH IRU V
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TABLE 15 TEMPERATURE-PRESSURE RELIEF VALVE UN-LIME® PROFESSIONAL DELIMER Part Number Description 9005416105 JDOORQ FDVH 9005417105 1 - 5 gallon POWERED ANODE RODS 7R LQVXUH D ORQJ WURXEOH IUHH RSHUDWLQJ OLIH WKH ZDWHU KHDWHUV FRYHUHG LQ WKLV PDQXDO DUH IDFWRU\ HTXLSSHG ZLWK D SRZHUHG DQRGH V\VWHP 7KH DQRGH URGV DUH RI D SHUPDQHQW GHVLJQ DQG GR QRW QHHG UHSODFLQJ XQOHVV GDPDJHG ,QVSHFWLRQ DQG FOHDQLQJ VKRXOG EH SHUIRUPHG RQFH D \HDU NOTE: )ROORZ WK
DIAGRAMS CCB - CENTRAL CONTROL BOARD LAYOUT CCB (CENTRAL CONTROL BOARD) 1 1 1 2 2 2 1 3 3 4 2 4 4 J3 5 J2 J4 J5 J1 J6 Spare Retries OPEN Yes Tstat 1 Use Type 12 9 6 3 14 11 8 5 2 13 10 7 4 1 3 2 3 4 1 Retry Ext Input 15 No Vent Spare S1 DIPSWITCH J7 4 3 2 1 J9 J13 J10 1 3 2 4 J11 1 5 2 6 J15 3 7 1 4 8 2 J16 S1 DIPSWITCH DETAIL Yes Type Tstat Spare OPEN Use 2 3 4 Ext Input 3 Retries 1 1 Retry No Vent Spare Dipswitch Operation: A
A/HCG3 120 & 150 WIRING DIAGRAM 24 VAC GAS VALVE LOW GAS PRESSURE SWITCH BLOCKED AIR INTAKE BLOWER PROVER BLOCKED EXHAUST 1 J5 J4 UIM J16 J6 13 2 15 4 14 5 10 6 7 8 11 ENABLE/DISABLE CIRCUIT JUMPER WIRE BETWEEN PINS 8 AND 11 ON J6 PLUG HOT SURFACE IGNITER 1 BLACK 2 WHITE FLAME SENSOR RED 1 RED (ECO) 3 BLACK UPPER TEMPERATURE PROBE 4 RED (ECO) 1 BLACK ANODE 1 2 BLACK LOWER TEMPERATURE PROBE 1 GREEN 2 BLUE ANODE 2 120 VAC 1 Ø POWER 1 BLACK 1 2 2 WHITE COMBUSTION BLOWER 1 2 RED J
A/HCG3 199 & 250 WIRING DIAGRAM BLOCKED AIR INTAKE 24 VAC GAS VALVE LOW GAS PRESSURE SWITCH BLOWER PROVER BLOCKED EXHAUST 1 J5 J4 UIM J16 J6 13 2 15 4 14 5 10 6 7 8 11 ENABLE/DISABLE CIRCUIT JUMPER WIRE BETWEEN PINS 8 AND 11 ON J6 PLUG HOT SURFACE IGNITER 1 BLACK 2 WHITE FLAME SENSOR RED 1 RED (ECO) 3 BLACK UPPER TEMPERATURE PROBE 4 RED (ECO) 1 BLACK ANODE 1 2 BLACK LOWER TEMPERATURE PROBE 1 GREEN 2 BLUE PWM (pulse width modulation) SPEED INSTRUCTION SIGNAL WIRES FROM CCB TO BLOWER MO
CIRCULATION PUMP WIRING DIAGRAMS CIRCULATING PUMP WIRING DIAGRAM STORAGE TANK OR BUILDING RECIRCULATION FIELD SUPPLIED TEMPERATURE CONTROL INSTALLED IN THE STORAGE TANK OR CIRCULATING LOOP RETURN LINE NOTE: USE SEPARATE 120 VAC POWER SUPPLY FOR PUMP CIRCUIT. DO NOT SHARE POWER WITH WATER HEATER AS THIS MAY CAUSE ELECTRICAL LINE NOISE AND LEAD TO ERRATIC CONTROL SYSTEM OPERATION.
FINISHED FLOOR WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.
EXPANSION TANK COLD WATER SUPPLY TEMPERED WATER RETURN LINE TEMPERATURE CONTROL WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.
HOT WATER OUTLET ALT.
STORAGE TANK ALTERNATE TANK TEMPERATURE CONTROL LOCATION TANK TEMPERATURE CONTROL HOT WATER OUTLET EXPANSION TANK WATER FLOW SWITCH DRAIN COLD WATER SUPPLY HOT WATER RETURN LINE TEMPERATURE CONTROL TEMPERATURE GAGE CHECK VALVE MIXING VALVE FULL PORT BALL VALVE TANK OR LINE TEMPERATURE CONTROL CIRCULATING PUMP PRESSURE RELIEF VALVE TEMPERATURE & PRESSURE RELIEF VALVE LEGEND ,I D SXPS LV EHLQJ LQVWDOOHG LQ D UHFLUFXODWLRQ ORRS EHWZHHQ WKH ZDWHU KHDWHU DQG D FRPPHUFLDO
FINISHED FLOOR HOT WATER OUTLET WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.
FINISHED FLOOR HOT WATER OUTLET PIPE T&P TO OPEN DRAIN WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.
FINISHED FLOOR PIPE T&P TO OPEN DRAIN HOT WATER OUTLET WARNING: THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES; CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS.
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