John-wood Takagi - 910 Manuel d'utilisateur

320579-000REV. 00 (11-04)910 / 910 ASMEOn-Demand Water HeaterInstallation Manual and Owner’s GuideGas Tankless Water Heater910 / 910 ASME ModelsSuitab

10 Vent ClearancesINSIDE CORNER DETAILFIXED CLOSEDOPERABLEFIXED CLOSEDOPERABLEVent terminalAir supply inletArea where is not permittedGas meter / regu

11Gas Supply And Gas Pipe SizingTO TURN OFF GAS TO APPLIANCETurn off all electric power to the water heater if service is to be performed.Turn the man

12 Water ConnectionsFOR YOUR SAFETY, READ BEFORE OPERATINGDo not use this water heater if any part has been sub-mersed under water. Immediately call a

13Electrical ConnectionsWARNINGFollow the electrical code requirements of the local authority having jurisdiction. In the absence of such requirements

14 Pump ConnnectionThe 910 can be used to control a recirculation pump. Proper pump control helps to preserve the life of the system and saves energy

15D) No. 4 and No. 5 OFF: Normal Control (Default setting)This provides no ON/OFF control for the pump. If a pump is connected to the pump control ter

16 CAUTIONUnless you change DIPswitch No. 8 of the “PARENT” unit to “ON”, the system will not work as an Easy-Link system. The units will work as indi

17The remote controller is not required for the Easy-Link system.If running the Easy-Link system without the remote controller, please make sure the D

18 INITIAL OPERATIONFOR YOUR SAFETY, READ BEFORE OPERATINGCheck the GAS and WATER CONNECTIONS for leaks before firing unit for the first time.Open the

19NORMAL OPERATIONFlow rate to activate the 910:1.9 l/min (0.5 GPM (US))Flow rate to keep the 520H running:1.5 l/min (0.4 GPM (US))••Without Remote Co

2 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20 DO NOT set to 185ºF if you use your 910 water heater in a recirculation system. This will cause damage to the heater and void the warranty.1. Turn

21The manufacturer also highly recommends the use of a back flow vent damper and/or converting the 910 to a direct-vent unit to minimize the amount of

22 MAINTENANCE AND SERVICEWARNINGTurn off the electrical power supply and close the manual gas control valve and the manual water control valve before

23

24 GENERAL TROUBLESHOOTINGPROBLEM SOLUTIONSTEMPERATURE and AMOUNT OF HOT WATERItIt takes long time to get hot water at thefixtures.The time it takes t

25PROBLEM SOLUTIONSEASY-LINK SYSTEMHow are the unit num-bers assigned?For an Easy-Link system, the Parent unit is always labeled #1 and all other su

26 Troubleshooting – Error CodesThe 910 units are self diagnostic for safety and conve-nience when troubleshooting.If there is a problem with the inst

27Easy-LinkThe 7-Seg LED on the PARENT unit displays a 5-digit num-ber to signify which unit in the Easy-Link system has the error, and what the err

28 Wiring DiagramA wiring diagram is located on the inside front panel of the appliance. Electrical Rating: 120 VAC, 60 Hz.Note: If any of the origina

29OPERATING SAFETYFOR YOUR SAFETY READ BEFORE OPERATINGWARNING: If you do not follow these instructions exactly, a fire or explosion may result caus

3SPECIFICATIONSModel 910Natural Gas Input (Operating Range)Min: 15,000 BTU/hMax: 380,000 BTU/hPropane Input (Operating Range)Min: 15,000 BTU/hMax: 3

30 DANGERVapors from flammable liquids will explode and catch fire causing death or severe burns.Do not use or store flammable products such as gasoli

31APPLICATIONSSpace Heating ApplicationsWARNINGToxic chemicals used in boiler treat-ments such as alcohol, glycerol and glycol group must not be intro

32 Re-circulation:The recirculation pump is to be controlled by:Dual-set aquastat (recommended w/timer) OR910 Pump Control set to “Recirculation Mode”

33Additional clearancesFollow all local and national codes in regards to proper ter-mination clearances. In the absence of such codes, the fol-lowin

34 Optional Items1. Temperature Remote Controller: TM-RE30The Temperature Remote Controller has two functions. It allows the output temperature from t

355. Pipe cover: TM-PC50The Pipe cover protects the plumbing pipes to the 910 from unexpected adjustments. This pipe cover is fixed to the bottom of

36 COMPONENTS DIAGRAMCase Assembly37613311410112333424235984718Water Way Assembly910422419411419411424406407419411425427423407406425427411419411419422

37Computer Board AssemblyThe 910 and the 910 ASME models share the same components709416705707 706708704418 7037157017191137087027107127137117141137

38 Burner AssemblyThe 910 and the 910 ASME models share the same components.11411511670511311311770770710212111911870770710911210611110511311310410310

39Combustion And Exhaust AssemblyOther than Part# 444, Part# 445, Part# 446 and Part# 447, the 910 and the 910 ASME models share the same compo-nent

4 Combustion Sections Within The 910Right combustion sectionLeft combustion sectionThe 910 contains two combustion sections. The section that turns on

40 PARTS LISTOther than the burner assembly (No. 444), supply pipe (No. 445), O-ring P18 FKM (No. 446), connection pipe (No. 447), left cold pipe (No.

41Item # Parts # Description432 EM291 Right cold pipe for 910433 EX021 Heater plate434 EM295 Water inlet435 EM222 Filter plug436 EZM25 O-ring P25 FK

42 OUTPUT TEMPERATURE CHARTF° 100 105 110 115 120 125 130 135 140 150 160 165 170 175 180 185GPM (40°F)10.1 9.3 8.7 8.1 7.6 7.1 6.7 6.4 6.1 5.5 5.1 4.

43LIMITED WARRANTY1. General terms of limited warranty: This limited warranty gives you specific legal rights, and you may also have other rights w

44 5. THIS WARRANTY WILL NOT COVER THE FOLLOWING:Any product that is not installed by a licensed plumber, gas installer, or contractor. Damages due to

45

If you have any questions, please call or write to:GSW Water Heating599 Hill Street WestFergus, ON Canada N1M 2X1Toll Free: 1-888-479-8324

5Rating plateWARNINGWater temperatures over 52°C (125°F) can cause severe burns instantly or death from scalding. The water tem-perature is set at 49º

6 GeneralThe manifold gas pressure is preset at the factory. It is computer controlled and should not need adjustment.Maintain proper space for servic

7Combustion Air SupplyThe water heater location must provide enough air for proper combustion and ventilation of the surrounding area. See the latest

8 Direct-Vent Conversion KitIntakeLouver cover platesDirect-vent conversion kitExhaustVenting InstructionsWARNINGImproper venting of this appliance ca

9Vent TerminationWARNINGImproper installation can cause nausea or asphyxiation, severe injury or death from carbon monoxide and flue gases poison-ing.