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A.O. Smith ATIO-710-P Technical Documents

1. CAUTION PARENT unit CHILD 1 unit e f you connect the PARENT connector Ro P N e esT of the PARENT unit to the 3 E Nee 44 connector of the CHILD 1 unit the e Ws PARENT unit and the CHILD 1 unit e will display 761 error code eae E TE ue au e If you connect the 2 connector of i g i F the CHILD 1 unit to the BT Communication cable YY connector of the CHILD 2 unit the PARENT unit and the CHILD 2 unit will display 761 error code Wrong connection between the PARENT unit and the CHILD 1 unit CHILD 1 unit
2. 7 Seg LED TMP1 J amp _2_ 3 4 TMP2 fT 4 2 Left bank of eel meee witches A MODE 7 3 4 dipswitches l _ a OUT H 1 6 T NNN D PRT _1 2 7 Right bank of Slits MST L_f_3 8 dipswitches J Ells al Appa CONTROLLER Left Bank of Dipswitches iin Sickel NEET XHAUST Conversion Kit oe esa Q DIRECT VENT l CONVERSION KIT y lt 10 VENTING INSTRUCTIONS WARNING Improper venting of this appliance can result in excessive levels of carbon monoxide which can result in severe personal injury or death This water heater must be vented in accordance with the section Venting of Equipment of the latest edition of the Natural Fuel Gas Code ANSI 2223 1 All applicable local building codes Section 7 of CAN CSA B149 1 Natural Gas in Canada Propane Installation Code in Canada EXHAUST VENT This is a Category Ill appliance and must be vented accordingly The vent system must be sealed air tight All seams and joints without gaskets must be sealed with high heat resistant silicone sealant or UL listed aluminum adhesive tape having a minimum temperature rating of 350 F For best results a vent system should be as short and straight as possible 1 This water heater is a Category Ill appliance and must be vented accordin
3. PARENT unit 7 gt Connectors gt gt tors gt Connectors m mo nm oe E A D p yy Sa X TIERS ii TOLEN H T we USAM E 20 ica 3 mo Left bank of a gt L amp ft bank of Left bank of zf Dipswitches a H ES Dpswitches A mn Dipswitches o g H H 4 he S Ke i NG _ os Communication cable Lp a Wrong connection between the CHILD 1 unit and the CHILD 2 unit e If you connect the PARENT connector of the CHILD 1 unit to the 1 connector of the CHILD 2 unit the CHILD 2 unit will work as an individual unit and will not be part of the Easy Link system PARENT unit Connectors Wrong connection between the CHILD 1 unit and the CHILD 2 unit CHILD 2 unit Connectors CHILD 1 unit Connectors S 2 mn Ss mn 440 We aT Cat Gx oe e le L E m Left bank of a gt Lat bank of Left bank of Dipswitches e E S
4. PARENT unit CHILD 1 unit Sg Connectors a s Connectors BL9OSFECI Left bank of Dipswitches _ D BLIGE VA ft bank of ank o E RY witches Mot Communication cable N A PARENT unit CHILD 1 unit gt Connectors gt gt Connectors BL9SPECI Left bank of I Dipswitches e a oJ I D 8L19977 L ft bank of fe E witches Oo a X Communication cable Ws lf a remote controller optional is used it has to be connected to the PARENT unit If the remote controller is connected to a CHILD unit it will only control that particular individual CHILD unit and will not control the Easy Link system as a whole A Wrong connection between the CHILD unit and the remote controller P
5. lt E L E a 9 fa d Fa a a i ay 2 7 gt Q ri N o 2 LO X N Ze p p i ARASAN SUs F LFF kca 46 Other than Part 211 Part 439 Part 440 and Part 441 the Water way assem bly 710 T M32 and the 710 ASME T M32 ASME models share the same components 710 T M32 T PARTS LIST ae Part ltem Description 710 models T M32 models 001 Case assembly 319143 287 EM389 002 Front cover 319143 303 EM431 003 Air blockage plate 319143 285 EM386 004 Bracket 319143 225 EM104 005 Back guard panel 319143 283 EM384 006 Junction box 319143 014 EKJ64 007 Fixing plate 319143 335 EXOOE 008 Rubber bush 319143 334 EX00B 010 Overheat cut off fuse for combustion chamber 319143 016 EM484 011 Fastener 319143 017 EKK22 051 Screw M4 x10 W Washer EW001 052 Screw M4x10 Coated 319143 026 EW002 101 Burner assembly 319143 299 EM410 102 Burner gasket 319143 300 EM411 103 Guide plate gasket 319143 301 EM412 104 Burner window 319143 033 EKK2V 105 Rod holder gasket 319143 034 EKK2W 106 Flame rod 319143 035 EKKOE 107 Rod holder 319143 036 EKK32 108 Igniter rod 319143 037 EKKOF 109 Rod
6. Control Recirculation EASY LINK SYSTEM The water heater can be connected with other heaters of the same model with communication cables to work as a multiple manifold system e The Easy Link system can connect up to 4 units e Acommunication cable gray color comes with each unit The cables use 18 gage wire and can be up to 250ft long all together You can manifold from 2 units to 4 units without a multi system controller A 4 unit system has full automatic modulation between 24 000 BTU h and 960 000 BTU h wo Ss Libis cr et A Gas gt Cold cf S le al gy M ee HH Hot ls gt Ho eigi io Gp dot the first 4 units will work as part of the Easy Link system but the other additional units will only work as individual units f e
7. BURNING O l N OUT FLOW E INFO BUZZER Seta Sd M O x V A Connect to these terminals Connect other end to these terminals 20 PUMP CONTROL CONNECTIONS The water heater can be used to control a recirculation pump Proper pump control helps to preserve the life of the system and saves energy as well The water heater pump control port is a normally open dry contact and therefore needs additional components to properly control a recirculation pump To control a recirculation pump connect the pump to the Pump connector in the water heater as shown in the diagram below In a multi unit system connect the pump ONLY to the PARENT unit The pump is to be connected using suitable relays shown in the diagram below Please make sure the relays are properly rated for the recirculation pump Using the water heater s internal thermistors as a temperature control the recirculation pump will only turn on when recirculation is needed Pump connector in the PARENT unit only If the pump is connected to any of the CHILD units the pump will not work CAUTION In a multi unit system the pump must be connected to the These components are NOT included with water heater and a
8. PLEASE READ THIS MANUAL CAREFULLY AND FOLLOW ALL DIRECTIONS GENERAL 1 Follow all local codes or in the absence of local codes follow the most recent edition of the National Fuel Gas Code ANSI Z2223 1 NFPA 54 in the USA or CAN CSA B149 1 Natural Gas Propane Installation Code in Canada 2 Properly ground the unit in accordance with all local codes or in the absence of local codes with the National Electrical Codes ANSI NFPA 70 in the USA or CSA standard C22 1 Canada Electrical Code Part 1 in Canada 3 Carefully plan where you intend to install the water heater Please ensure e Your water heater will have enough combustible air and proper ventilation e Locate your heater where water leakage will not damage surrounding areas please refer to p 5 4 Check the rating plate for the correct GAS TYPE GAS PRESSURE WATER PRESSURE and ELECTRIC RATING If this unit does not match your requirements do not install and consult with the manufacturer 5 If any problem should occur turn off all hot water taps and turn off the gas Then call a trained technician or the Gas Company or the manufacturer WARNING e Water temperatures over 125 F 52 C can cause severe burns instantly or death from scalding The water temperature is set at 120 F 49 C from the factory to minimize any scalding risk Before bathing or showering always check the water temperature Do not store or use gasoline or other flammables vapors or li
9. x House Th t Thermostatic Mixing Valve os Ss r Dia a Hot Cold T Water Water Gas 4 Outlet Inlet Inlet Heating Coil ae Check TA ae Water used with air handler 6 Valves 5 pcs aller lt q a oe a Maximum allowable distance of 22 a ee 120 VAC Switch or Outlet 50 Ft from water heater and gt D O gt N m heating panel Pa ER Check Valve Unions Pump Must Be Sized Properly i With Each Application Pump T Handle Gas Shall Run 60 Seconds Every 6 Shut Off Valve Hours The circulation pump is to provide no less than 2 GPM and no more than 4 GPM through each activated unit in the system Priority Control Devices such as a flow switch an Aquastat or other electronic controller can be used to prioritize the domestic water system over the heating system Warning Follow all local codes or in the absence of local codes follow the most recent edition of the National Standard Code ANSI Z21 10 3 Warning This illustration is a concept design only The reference to the 1 8 hole in check is only for the State of Massachusetts There are a wide variety of variations to the application of controls and equipment presented Designers must add all necessary safety and auxiliary equipment to conform to code requirements and design practice For more details contact the manufacturer 42 ADDITIONAL CLEARANCES Please follow all local and national codes in regards to proper termination clearances In the absence o
10. e 40F 6 4 5 9 5 5 5 1 4 8 4 5 4 3 4 0 3 8 3 5 3 2 3 1 2 9 2 8 2 7 2 6 m 50F 1 1 7 0 6 4 5 9 9 5 5 1 4 8 4 5 4 3 3 8 3 5 3 3 3 2 3 1 2 9 2 8 a amp 60F 9 0 8 5 7 7 7 0 6 4 5 9 9 5 5 1 4 8 4 3 3 8 3 3 5 3 3 3 2 3 1 70F 9 0 9 0 9 0 85 T T 7 0 6 4 5 9 5 5 4 8 4 3 4 0 3 8 lt W E 3 3 Out put Hot Water Temperature e 40 F m 50 F a amp 60 F gt 70 F When the set temperature is 150 F or higher maximum flow rate is limited to 5 3 GPM 50 LIMITED WARRANTY General terms of limited warranty This limited warranty gives you specific legal rights and you may also have other rights which vary from State to State The manufacturer will honor the warranty to the original retail buyer at the original location only and it is not transferable THIS WARRANTY COVERS ONLY FAILED MECHANICAL AND ELECTRICAL PARTS DUE TO FACTORY DEFECTS UNDER NORMAL USAGE FOR THE PRODUCT S INTENDED PURPOSES AND WITHIN THE APPLICABLE PERIOD SPECIFIED IN THE FOLLOWING TABLES ONLY DIRECT DAMAGES SHALL BE RECOVERABLE BY A CLAIMANT UNDER THIS LIMITED WARRANTY AND IN NO EVENT WHETHER AS A RESULT OF BREACH OF CONTRACT BREACH OF WARRANTY TORT LIABILITY INCLUDING NEGLIGENCE STRICT LIABILITY INDEMNITY OR OTHERWISE THE MANUFACTURE
11. unit s drain plugs Unscrew the drain plugs to X drain all the water out of the unit 7 Wait a few minutes to ensure all water has Mele N RIVE i aeons Drain Plug Drain Plug completely drained from unit with Filter 8 Clean the filter Check the water filter located within the cold inlet With a tiny brush clean the water filter of any debris which may have accumulated and reinsert the filter back into the cold water inlet 9 Securely screw the drain plugs back into place Hand tighten only 35 GENERAL TROUBLESHOOTING TEMPERATURE and AMOUNT OF HOT WATER It takes long time to get hot water at e The time it takes to deliver hot water from the water the fixtures heater to your fixtures depends on the length of piping between the two The longer the distance or the bigger the pipes the longer it will take to get hot water e f you would like to receive hot water to your fixtures quicker you may want to consider a hot water recirculation system p 41 The water is not hot enough e Compare the flow and temperature See the chart on p 50 e Check cross plumbing between cold water lines and hot water lines e ls the gas supply valve fully open p 30 e ls the gas line sized properly p 16 e ls the gas supply pressure enough p 15 e ls the set temperature set too low p 31 34 The water is too hot e ls the set temperature set too high p 31 34 The hot water is not available wh
12. 6 Now you are ready to gas control valve power supply to the water enjoy hours of endless installed hot water 30 NORMAL OPERATION e Flow rate to activate the 710 T M32 0 5 gallon per minute e Flow rate to keep the 710 T M32 running 0 4 gallon per minute 1 NORMAL OPERATION WITHOUT REMOTE CONTROLLER 1 Open a hot water tap 2 Mix cold water with the hot to get 3 Close the hot water tap the correct temperature water If a remote controller installed turn the remote controller ON by pressing the power ON OFF button on the remote controller and then set the temperature by pressing the HOT COLD buttons before opening a hot water tap The temperature is displayed when the remote controller is turned ON 2 NORMAL OPERATION WITH REMOTE CONTROLLER INSTALLED 9007603005 TM RE30 Optional 1 Press the power ON OFF button 2 Set temperature Example 110 F a When ON green LED is lit onoff TIME INFO BUZZER TEMP AE i 4 The temperature and the time will be displayed on the remote controller A L__ hy A cota VW OT od 1 WARNING Temocratue above ter a0 ca cause severe buns o dealh from sealdiag ee Chlidrer disabled arc the elderly 2 hlgh re lt being n ured N NOFT le Tans a aave Temperatures available under the Default
13. Mode 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 Temperatures available under the High Temperature Mode 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 unit F DO NOT set to 185 F if you use your water heater in recirculation system Refer to p 34 3 Open a hot water tap 4 Close the hot water tap Mix cold water with the hot if you need Lamp is ON Lamp is OFF Hot Water temperatures over 125 F 52 C can cause severe burns instantly or death from scalding e The outlet hot water temperature of the water heater is factory set at 120 F 49 C e Feel the water temperature before bathing or showering 31 To change the remote controller s mode from Default Mode to High Temperature Mode please follow the procedures below the remote controller must be installed prior to operating these procedures DO NOT set to 185 F if you use your water heater in a recirculation system This will cause damage to the heater and void the warranty Turn off power to the remote controller by pressing the ON OFF button Q Lamp is OFF to indicate that power is off ON OFF 2 Simultaneously press and hold both the HOT and COLD buttons for at least five seconds And then make sure 1 or 0 is displayed on remote controller 1 is displayed for single units 0 is displayed for E
14. This water heater may be converted to a direct vent sealed combustion appliance by installing an adapter Part No 9007668005 TM DV32 which will bring all required combustible air from outside the building When installing the direct vent conversion kit please follow all instructions included with the kit e The water heater must be installed in a location where the proper amount of combustible air will be available to it at all times without obstructions e If used as a direct vent appliance the water heater requires a 4 combustible air supply pipe The intake pipe must be sealed airtight e Air supply pipe can be made of ABS PVC galvanized steel corrugated aluminum corrugated stainless steel or Category III stainless steel e Change the dipswitch settings to the direct vent system See diagram below e Sidewall venting is recommended for the direct vent system e The manufacturer recommends running the exhaust vent and the intake pipe parallel e The Direct Vent Conversion Kit has an INLET mark as shown below Do not reverse the INLET and the EXHAUST connections when installing vent pipes Make sure power to the unit is turned OFF before changing the dipswitch settings The dark square is the direction the dipswitch should be set to ON gt
15. circulation system see installation manual for details Electric supply power voltages that fall outside the product s specified range Damages due to water quality Introduction of liquids other than potable water or potable water glycol mixtures into the product Introduction of pool water spa water or any chemically treated water into the product Introduction of hard water measuring more than 7 grains per gallon 120 ppm for single family domestic applications or more than 4 grains per gallon 70 ppm for all other types of applications into the product Introduction of untreated or poorly treated well water into the product Introduction of water with pH levels less than 6 5 and greater than 8 5 into the product ATM32 63T05 1 2
16. code from any doorway or opening to prevent exhaust from entering a building refer to p 14 INCLUDED ACCESSORIES Check that the installation manual the communication cable and the product registration card are included with the unit Manual Communication Cable Product Registration Card WARNING FOR INSTALLATIONS FOR YOUR SAFETY READ BEFORE INSTALLATION Do not install the heater where water debris Do not have the vent terminal pointing toward or flammable vapors may get into the flue any opening into a building Do not locate terminal This may cause damage to the your heater in a pit or location where gas and heater and void the warranty water can accumulate i L t F Prohibited 9 pee Prohibited Be Do not install this water heater under an Do not install the water heater vent terminator overhang less than 3 feet from its top or within 1 ft in the USA of any air intake or eaves The area under an overhang must be building opening and within 3 ft in Canada of open to three sides any air intake or building opening Refer to p 14 A 1 Ft USA 3 Ft Canada 1 Ft USA 1 Ft USA 4 Ft Canada 3 FL Canada A Do not install next to a dryer or any source of airborne debris that can be trapped inside the combustion chamber unless the system is direct vented OUTDOOR INSTALLATION 1 Follow all local codes or in the absence of local codes follow the most recen
17. heater in a recirculation system This will cause damage to the heater and void the warranty 7 Seg LED To change dipswitch settings for temperatures locate the left Leftbankof 7 bank of dipswitches the lower of dipswitches 7 7 Seg LED DO NOT adjust the right bank of I X dipswitches Right bank of NIE I ty dipswitches d efel al SS a OL conTROLLER The dark squares indicate the direction the dipswitches should be set to 100 F 115 F 120 F 135 F 145 F 155 F 38 C 46 C 49 C 57 C 63 C 68 C Default MAINTENANCE AND SERVICE WARNING Turn off the electrical power supply and close the manual gas control valve and the manual water control valve before servicing e Clean the cold water inlet filter Refer to diagram below e Be sure that all openings for combustion and ventilation air are not blocked e The venting system should be checked annually for any leaks corrosion blockages or damage e The bumer should be checked annually for dust lint grease or dirt e Keep the area around the water heater clear Remove any combustible materials gasoline or any flammable vapors and liquids e In accor
18. that it can be connected or removed easily Refer to p 8 and p 9 for proper clearances 3 The electrical connection requires a means of disconnection to terminate power to the water heater for servicing and safety purposes 4 lf you will be installing the unit in a contaminated area with a high level of dust sand flour aerosols or other contaminants chemicals they can become airborne and enter and build up within the fan and burner causing damage to the unit In those environments e g residential or commercial laundry facilities hair salons pet salons chemical plants etc please purchase the optional direct vent conversion kit and convert the water heater to a sealed combustion unit Direct venting allows the water heater to draw fresh intake air from the outside The warranty will not cover damage caused to the unit due to installation in a contaminated environment that has not been converted using the direct vent conversion kit 5 Particles from flour aerosols and other contaminants may clog the air vent or reduce the functions of the rotating fan and cause improper burning of the gas Regularly ensure that the area around the unit is dust or debris free regular maintenance is recommended for these types of environment 6 Do not install the unit where the exhaust vent is pointing into any opening in a building or where the noise may disturb your neighbors Make sure the vent termination meets the required distance by local
19. up air from outside the building When drawing make up air from inside the building from other rooms within 16 0 Sq IN When combustion air is supplied from outside the building an opening communicating directly 240 000 BTU h with the outside should have a i minimum free area of one square inch per 15 000 BTUH input of the total input rating of water heater in the enclosed MAX area 240 Sq IN When combustion air is supplied from inside the building an opening communicating with the rest of the dwelling should have a minimum free area of one square inch per 1 000 BTUH input of the total input rating of water heater in the enclosed area This opening should never be less than 199 sq in Combustible Air Supplied by Mechanical fan or Make up air device The water heater is equipped with a combustible air sensor that will shut off the unit when inadequate combustible air supply to unit is detected e If a mechanical fan or make up air device is used to supply air to the water heater or utility room the installer should make sure it does not create drafts which could cause nuisance shutdowns e f a blower is necessary to provide adequate combustion air to the water heater the blower and water heater must be set up so that the water heater cannot fire unless the blower is operating Possible methods sensors transmitters and relays 9 include the use of external flow DIRECT INTAKE VENT SYSTEM
20. 21 error code Controller e The 7 Seg LED on Unit 2 will display 3 2 1 just like in the Single Unit example 232 38 OPERATING SAFETY 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 This water heater does not have a pilot It is equipped with an ignition device that automatically lights the burner Do not try to light the burner by hand BEFORE OPERATING smell all around the water heater area for evidence of leaking gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electric switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Use only your hand to turn the gas valve knob Never use tools If the knob will not turn by hand don t try to repair it Call a qualified service technician Forced or attempted repair may result in a fire of explosion Do not use this water heater if any part has been under water Immediately call a qualified service technician to inspect the water heate
21. 710 710 ASME T M32 T M32 ASME On Demand Water Heater Installation Manual and Owner s Guide Gas Tankless Water Heater 710 710 ASME T M32 T M32 ASME Models Suitable for potable water heating and space heating Please refer to local codes for space heating compliance FEATURING e ENDLESS HOT WATER e ON DEMAND USAGE e COMPACT SPACE SAVING e ENERGY CONSERVATION e COMPUTERIZED SAFETY e NO PILOT LIGHT e EASY LINK SYSTEM ANSI Z21 10 3 For supplying potable and CSA 4 3 hot water ASME model ONLY If the information in these instructions is not followed exactly a fire or explosion WARNING may result causing property damage personal injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier If you have any questions please call or write to 500 Tennessee Waltz Parkway Ashland City TN 37015 Toll Free 1 877 737 2840 CONTENTS SPEC
22. ARENT unit Remote controller CHILD unit lt m 440 NO eee eae E Left bank of sal N N 7 ay Dipswitches Connectors Connectors S C BLOGS Ln al Ya eee ft bank of a SS O O D witches J a INJHYd egie t J X Communication cable PN p eles D e The remote controller is not required for the Easy Link system e f running the Easy Link system without the remote controller please make sure the dipswitch settings for the temperature outdoor and direct vent settings on ALL the units are set to the same settings Otherwise the units may not operate properly If the remote controller is used the temperature on all the units in the system will automatically be set to the same temperature that is set on the remote However even with the remote the outdoor and direct vent dipswitch settings still need to be set to the same settings on all the units 26
23. DiBswi tches Dipswitches le at ce o oe Communication cable WARNING Connecting two PARENT connectors together from two separate units may damage the computer board The communication cable has a female end and a male end so it s impossible to have a PARENT to PARENT connection with the communication cable Do not splice or modify connectors Prohibited 27 MULTI UNIT SYSTEM FOR LARGE VOLUMES Multiple 710 T M32 models can be combined for a Multi Unit system along with the Multiple Unit Controller and Remote Controller Parts 9007675005 TM MC01 and 9007603005 TM RE30 Each set of controllers one 9007675005 TM MC0O1 and one 9007603005 TM RE30 can control from 2 units to 20 units for commercial or residential applications For a 20 unit system the computer can modulate between the usages of 24 000 BTU h to 4 8 Million BTU h owa a d es oe eee m 9007675005 TM MC01
24. IFICATIONS SPECIFICATIONS ceceeceeeeeee 2 Natural Gas Input Min 24 000 Btu h INTRODUCTION 00ccecceeeeeees 3 Operating Range Max 240 000 Btu h SAFETY GUIDELINEG 4 Propane Input Min 24 000 Btu h INSTALLATION 2c cece ee ees 5 Operating Range Max 240 000 Btu h GeNCl Al ckticeeeuitei tea dace sianiiac 6 3 4 NPT Included ACCeESSOTIES 00000e 6 Water Connections 3 4 NPT Warming for Installations T Outdoor Installation 0 08 8 15 150 psi Indoor Installation 0 0e 9 Natural Gas Min 5 0 WC Direct Intake Vent System 10 Inlet Pressure Max 10 5 WC Venting Instructions 6606 11 Min 8 0 WC Gas Supply Gas Pipe Sizing 15 Inlet Pressure Max 14 0 WC Water Connections eee 18 Natural 2 35 WC Pressure Relief Valve 18 i Electrical Connections 19 a L ae Remote Controller Connections 20 Weight 59 Ibs Pump Control Connections 21 H23 6 xW 18 5 x D8 9 Pump Control Mode 005 22 Ignition Electric Ignition Pasy as System sirr atom cutek 24 Supply 120 VAC 60 Hz Multi Unit System ee 28 Initial Operation cceeeeee ees 30 Leeds NORMAL OPERATION 0 c0sc00s0ee 31 Seat Normal Operation c eee 31 Electric esasinpion Standb
25. R WILL BE LIABLE FOR ANY SPECIAL INCIDENTAL OR INDIRECT CONSEQUENTIAL DAMAGES INCLUDING PROPERTY DAMAGE PERSONAL DAMAGES LOSS OF USE OR INCONVENIENCE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU Warranty for models 710 T M32 710 ASME T M32 ASME Unit Year No Recirculation On Demand Recirculation single T amily Aquastat Control Domestic Hot w Standard Pump Control oe Recirculation Timer Only No Pump Control 24 hr x z No Recirculation ommercia On Demand Recirculation 2 Aquastat Control Multi Family Aquastat Control 3 w Standard Domestic Hot Water Recirculation 1 Heat exchanger 2 An on demand recirculation system is a system that utilizes either a push button or other type of manual activation as opposed to automatic activation with a temperature sensor or timer to activate the circulation pump An on demand recirculation system can use either the existing cold water line as the return line or have its own dedicated return line 3 Limited Labor Coverage o The manufacturer will provide for reasonable labor charges associated with warranty repairs or replacements within one 1 year from the date of purchase The manufacturer will only pay directly to the service provider Warranty service must be performed by an authorized Service Representative A list of authorized Service Representatives is available upon r
26. The Easy Link system is limited to 4 units If you connect more than 4 units CAUTION The water heater cannot be linked with other different models in the Easy Link system Do not touch the Multi unit 7 Seg LED i System connectors F Easy Link connectors are on each unit s computer board Left bank of dipswitches alas RE CONTROLLER S To change the dipswitch a 2 settings for the Easy Link S system locate the left bank P of dipswitches below the 7 Right bank of dipswitches seg LED Do not adjust the right bank of dipswitches N ND Easy Link Connection Procedures 1 Choose one of your units as the PARENT unit 2 The PARENT Locate the left bank of dipswitches to the lower of the 7 seg LED on the computer board of the unit that you select to be the PARENT unit Change dipswitch No 8 to ON Do not change any of the dipswitches on the CHILD units 3 Between the PARENT and the CHILD 1 Connect the PARENT connector of the PARENT unit to the 1 connector of the CHILD 1 unit 4 Between
27. a sample for 3 a water heaters J aM Make sure the 7 seg LED of all the units computer boards display the unit The Multi unit Terminali A controller automatically allocates the unit 1 20 niria to each water heater that is part of the Multi unit 2 heaters S system 28 In a Multi Unit system connect the 3 connector and the 4f communication cable connector with the Sor l gt J i co Wire 3 Male Adapter and 4 Female Adapter The Comunication Cables are included with the 710 T M32 The Cables use 18 gage wire and can be up to 250 ft long Please refer to the Multi unit Controller manual for further instructions of the Multi Unit system i ey J m m a _ Multi unit connectors are m DJA Nje on each unit s computer board T Left bank of 2 dipswitches Ehe I a iP a Do not touch the Easy Link Right bank of Enie A connectors dipswitches Oy W N ed 29 INITIAL OPERATION FOR YOUR SAFETY READ BEFORE OPERATING Check the GAS and WATER CONNECTIONS for leaks before firing it for the first time Open the main gas supply valve to the unit using only yo
28. ased on Pressure Drop of 0 5 WC Based on Energy Content of 1 000 BTU Cubic Ft 710 T M32 requires 240 Cubic Ft hr Unit Cubic Feet per Hour Pipe Size Diameter 1 684 1 2 103 1 445 1 161 993 880 198 134 683 641 605 536 486 416 2 4 050 2 784 2 236 4 437 Propane LP Gas Supply Piping Maximum Capacity of Propane LP Gas Based on 11 WC supply pressure at a 1 0 WC pressure drop Unit KBTU per Hour Length Diameter 10 20 30 40 50 60 70 80 90 100 125 150 200 49 1 1 071 732 590 504 448 409 378 346 322 307 275 252 213 2 6 221 4 331 3 465 2 992 2 646 2 394 2 205 2 047 1 921 1 811 1 606 1 496 1 260 Gas Sizing Example Based on Energy Content of 1 000BTU Cubic Ft Natural Gas Divide each appliance s BTU requirement by 1 000BTU to get the appliances Cubic Ft requirement Water Take into account the distance the appliance is from the gas Ta fo a Dryer meter look in the above gas chart to properly size the line i 35 000BTU J For sections of the gas line supplying gas to more than one 10 Length appliance Ex Point A to Point B add up the cubic ft eran 10 Length requirements of the appliances that are bein lied by that 3 4 Pipe Size ces l q pp g supplied by tha Payee cee B ee 1 2 P
29. asy Link Multi unit Systems Press the TIME button Make sure OFF and F1 are displayed on remote controller 5 Press the HOT button or the COLD button to set display to on Blink 6 Simultaneously press both the BUZZER button and the INFO button to fix the setting 7 Make sure display is no longer blinking Not blinking 8 Press the ON OFF button to finish the setting 9 Turn on power to the remote controller by pressing the ON OFF button again a O Lamp is ON ON OFF 32 FLOW The flow rate through the water heater is limited to a maximum of 9 0 GPM The temperature setting along with the supply temperature of the water will determine the flow rate output of the unit Please refer to the temperature vs gallons per minute chart on p 50 to determine the likely flow rates based on your local ground water temperature and your desired outlet water temperature combination Based on the United States Department of Energy method of testing water heater output the water heater is rated for 300 gallons per hour GPH or 5 0 gallons per minute GPM for Natural Gas and 318 GPH or 5 3 GPM for Liquid Propane when raising the water temperature by 77 F from 58 F to 135 F Household Flow Rates Refer to the chart on the right for typical household plumbing fixture flow rates to determine what the water heater can do ina household applica
30. authorized alterations attachments and or repairs Damages due to a lack of maintenance e g water filter water treatment system vent blockage etc Any product installed in an improper environment e g corrosive dusty chemically contaminated excessive lint etc Freeze damage that occurs without taking proper preventive measures as described in the installation manual Condensate damage due to improperly installed or lack of a condensate trap drain Any product not installed in compliance with all applicable local amp state codes ordinances and good trade practices Any product sold to or installed in areas outside of the fifty states and the District of Columbia of the United States of America and Canada Any product installed in applications that cause the water heater to activate more than 300 times per day this averages to an activation every 5 minutes in a 24 hour period E Any failures that are not due to defects in materials or workmanship mechanical and or electrical parts 51 Damages due to improper installation Gas incorrect gas pipe sizing incorrect gas meter sizing incorrect gas type and or gas pressures that fall outside the product s specified range Water incorrect water pipe sizing water pressures that fall outside the product s specified range recirculation flow rates that fall outside the product s specified range air removal and or lack of proper methods of air removal in a closed loop
31. cap 319143 038 EKN61 110 High voltage igniter cable 319143 345 EX01Z 111 Damper 319143 298 EM409 112 Urethane tube 319143 346 EX02C 113 Pressure port 319143 042 EKK2D 114 Fan motor fixing plate 319143 281 EM379 115 Fan motor 319143 043 EKK25 116 Fan damper 319143 282 EM381 117 Freeze protection thermostat 319143 185 EKJ59 118 Manifold gasket A 319143 304 EM435 119 Manifold gasket B 319143 336 EXOOF 120 Manifold assembly with gas valve assembly LP 319143 305 EM440 Manifold assembly with gas valve assembly NA 319143 306 EM441 121 Wire cramp 319143 048 EM167 122 Gas inlet ring 319143 342 EX00D 123 Gas inlet 319143 307 EM442 124 Igniter plate 319143 051 EKK1B 125 Igniter 319143 052 EKN74 151 Pan screw M4x8 319143 059 EWOOD 152 Screw M410 319143 060 EWO003 153 Pan screw M4x12 W Washer 319143 061 EWOOH 154 Screw M3x6 319143 330 EWOOB 155 Screw M310 319143 327 EWO008 156 O ring P26 NBR Black 319143 351 EZP26 157 Pan screw M4x10 319143 062 EWO06 158 Screw M4x10 W Washer 319143 325 EW001 159 Hex head screw M4x8 319143 063 EW005 160 Pan screw M4x6 W Washer 319143 090 EWOOL 48 oa Part ltem Description 710 models T M32 models 210 Heat exchanger assembly for 710 T M32 EM415 211 Heat exchanger assembly for 710 ASME T M32 ASME 319143 314 EM45C 401 Silicon ring 319143 065 EKN50 402 Fuse fixing plate 18 319143 066 EKK26 403 Overheat cut off fuse 319143 286 EM387 404 Pipe heater 122 319143 224 EKN86 405 Heater fixi
32. dance with all local codes and common safety practices Water discharged from the pressure relief vale can cause severe burns instantly from scalding DO NOT touch the pressure relief valve e lf the relief valve discharges periodically it may be due to thermal expansion in a closed water supply system Contact the water supplier or local plumbing inspector on how to correct this situation e Visual check of burner flames see below through the burner window in the burner assembly located at the middle of the water heater MVVVYVY Flame blowing up amp GAARA 7 Red or Yellow flame Satisfactory Unsatisfactory Unsatisfactory Blue flame The manufacturer recommends having the unit checked once a year or as necessary by a licensed technician If repairs are needed any repairs should be done by a licensed technician UNIT DRAINING and FILTER CLEANING 1 Close the manual gas shut off valve 2 Turn off power to the unit and then turn on again 3 Wait 30 seconds and then turn off power to the unit yet again 4 Close the water shut off valve 5 Open all hot water taps in the house When the WAS a M To residual water flow has ceased close all hot aD ry ASA LY A water taps i alr 6 Have a bucket or pan to catch the water from the cee
33. drawn into the exhaust system Install this vent damper in accordance with the manufacturer s installation instructions and any applicable codes 5 Direct Vent Kit 9007668005 TM DV32 This kit can be used convert the 710 T M32 from a conventional vent system to a direct vent or sealed combustion system This is a CSA tested conversion kit Install this conversion kit in accordance with the manufacturer s installation instructions and any applicable codes 2 Multi system controller 9007675005 TM MC01 The multi system controller can control a maximum of 20 water heaters from 24 000 BTU to 4 800 000 BTU It also works as a diagnostic tool that will give a concise error code whenever there is a problem with the unit Usage of this controller requires having the 9007603005 TM RE30 remote controller 4 Vent Cap 9007676005 TM VC32 The Vent Cap is for outdoor installation with the 710 T M32 water heater The cap is installed on the top of the unit instead of connecting an 7 exhaust vent pipe The cap will prevent any debris that might be in the environment from entering the unit and causing damage or a fire hazard as well as preventing rain or other weather from entering the unit 6 Pipe cover 9007672005 TM PC32 The Pipe cover protects the plumbing pipes to the 710 T M32 from unexpected adjustments This pipe cover is fixed to the bottom of the water heater which 4 hides the plumbi
34. en e Make sure the unit has 120 VAC 60Hz power supply a fixture is opened e f you are using the remote controller is the power button turned on p 31 e ls the gas supply valve fully open p 30 e ls the water supply valve fully open p 30 e ls the filter on cold water inlet clean p 35 e ls the hot water fixture sufficiently open to draw at least 0 5 GPM through the water heater p 31 e ls the unit frozen e ls there enough gas in the tank for LP The hot water gets cold and stays e Is the flow rate enough to keep the water heater cold running p 31 e lf there is a recirculation system installed does the recirculation line have enough check valves e ls the gas supply valve fully open p 30 e ls the filter on cold water inlet clean p 35 e Are the fixtures clean of debris and obstructions Fluctuation in hot water temperature e Is the filter on cold water inlet clean p 35 e ls the gas line sized properly p 16 e ls the supply gas pressure enough p 15 e Check for cross connection between cold water lines and hot water lines WATER HEATER PROBLEM POSSIBLE SOLUTIONS Unit does not ignite when water goes e Is the flow rate over 0 5 GPM p 31 through the unit Check for the filter on cold water inlet p 35 Check for reverse connection and cross connection If you use the remote controller is the power button turned on p 31 The fan motor is still spinning af
35. equest All warranty claims and warranty service must be authorized and approved by the manufacturer 4 Includes dual purpose applications combination heating and domestic Repair Replacement or Refund The manufacturer or its authorized Service Representative will at its sole discretion repair or replace any failed or defective mechanical or electrical parts or components thereof or if the manufacturer or its authorized Service Representative cannot replace said parts and repair is not commercially practicable the manufacturer or its authorized Service Representative will refund the purchase price The manufacturer or its authorized Service Representative may at its sole discretion use new refurbished or reconditioned parts Limitation on Duration of Implied Warranties ANY IMPLIED WARRANTIES ARISING UNDER STATE LAW INCLUDING THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY SHALL IN NO EVENT EXTEND PAST THE EXPIRATION OF ANY WARRANTY PERIOD HEREUNDER SOME STATES DO NO ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU THIS WARRANTY WILL NOT COVER THE FOLLOWING Any product that is not installed by a licensed plumber gas installer or contractor Damages due to accidents abuse misuse improper installation misapplication or incorrect sizing Damages due to fires flooding freezing electrical surges or any Acts of God Damages due to un
36. er 319143 309 EM454 703 Junction box inner plate 319143 322 EM463 704 Gas valve wire 319143 290 EM392 705 Flow sensor Gas proportional valve connection and 319143 293 EM396 Thennistors wire for 710 T M32 706 Flow sensor Gas proportional valve connection and Thermistors wire for 710 ASME T M32 ASME 319143 324 EM479 49 Part ltem Description 710 models 107 708 709 710 711 712 713 714 715 716 717 718 719 720 OUTPUT TEMPERATURE CHART 10 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 0 0 Out Put Hot Water GPM Out Put Temperature vs GPM Max 9 0 GPM with Various Ground Water Temperature Flame rod wire Nylon clamp Igniter amp Freeze protection wire AC100V wire AC100V Transformer connecting wire Ground fault circuit interrupter Power supply code assembly AC120V Transformer connecting wire Surge box PCB fixing plate Remote controller terminal Screw M3x12 Screw M4x12 PCB cover 319143 292 319143 143 319143 320 319143 291 319143 297 319143 227 319143 296 319143 295 319143 284 319143 280 319143 294 319143 331 319143 343 319143 323 Correct Gas pipe size can be expect this chart T M32 models EM395 ECOOX EM45T EM393 EM403 EM207 EM400 EM399 EM385 EM377 EM398 EW00X EX013 EM478 100 105 110 115 120 125 130 135 140 150 160 165 _ 170 175 180 185
37. expansion tank or defective pressure relief valve e The pressure relief valve must be manually operated periodically to check for correct operation e No valve must be placed between the relief valve and the water heater e When ASME model is installed the pressure relief valve should be conformed and installed in accordance with ASME code e For the ASME model the pressure relief valve must conform to and be installed in accordance with ASME code 18 ELECTRICAL CONNECTIONS WARNING Follow the electrical code requirements of the local authority having jurisdiction In the absence of such requirements follow the latest edition of the National Electrical Code ANSI NFPA 70 in the U S or the latest edition of CSA C22 1 Canadian Electrical Code Part 1 in Canada CAUTION When servicing or replacing parts within the water heater label all wires prior to disconnection to facilitate an easy and error free reconnection Wiring errors can cause improper and dangerous operation Verify proper operation after servicing The water heater must be electrically grounded Do not attach the ground wire to either the gas or the water piping The water heater requires 120 VAC 60 Hz electrical power supply that is properly grounded e A proper disconnect i e on off switch power plug etc controlling the main power to the water heater must be provided for service reasons Must comply with local codes e Connect the power supply
38. f such codes the following clearances can be used as guidelines Local codes supersede these guidelines For sidewall terminations Inside corner Exhaust termination For multiple sidewall exhaust terminations e g multi unit systems an exhaust termination must be at least 1 ft away from another exhaust termination An exhaust termination must also be at least 2 ft away from an inside corner if the adjacent wall is less than 2 ft of length the minimum required distance away from the inside corner will be equal to the length of the wall Exhaust termination Exhaust and or direct vent sidewall terminations should be at least 2 ft away from an opposite surface wall Do not place the termination directly in front of an opening into a building corner Direct vent termination Air supply inlet For multiple unit direct vent sidewall terminations that combine the intake For direct vent sidewall and exhaust into a single terminations that use two penetration space each direct vent separate penetrations for the termination at least 1 ft away from intake and exhaust distance each other no matter the the intake and exhaust orientation A direct vent terminations at least 3 ft termination must also be at least 2 away from each other NO ft away from an inside comer if the matter the orientation adjacent wall is less than 2 ft of length the minimum required distance away f
39. gly with any 4 vent approved for use with Category III or Special BH type gas vent The manufacturer recommends the T Vent line manufactured by TAKAGI Refer to the venting brochure for details However the following are also UL listed manufacturers ProTech Systems Inc FasNSeal Flex L Inc Z Flex Inc Z Vent Ill Metal Fab Inc and Heat Fab Inc Saf T Vent Follow the vent pipe manufacturer s instructions when installing the vent pipe Do not common vent this appliance with any other vented appliance Do not terminate vent into a chimney If the vent must go through the chimney the vent must run all the way through the chimney with Category Ill approved or Special BH vent pipe The maximum length of exhaust vent piping must not exceed 50 ft deducting 5 ft for each elbow used in the venting system Do not use more than 5 elbows Max No of Elbow Max Vertical or Horizontal run in Length For each elbow added deduct 5 ft from max vent length No of Elbows Max Vertical or Horizontal Length When the horizontal vent run exceeds 5 ft Support the vent run at 3 ft intervals with overhead hangars The manufacturer will not be responsible for any damage to the water heater caused by condensation from the vent Installing a condensate drip is recommended Please refer to p 13 for the diagrams When installing the vent system all applicable national and local codes must be followed If you ins
40. gt gt Hot Out An individual cut off switch if hard wired is recommended for each unit in a multi unit system for the purpose of maintenance Multi Unit System Connection Diagram Multi Unit Controller 9007675005 TM MC0O1 and Temperature Remote Controller 9007603005 TM RE30 wiring Unit 1 Unit 2 Unit 3 Ss Connectors i Ss Connectors 5 Connectors REAR OE U E Y g m 21 pane ol fg ot Bak ol te 4 et pane o Vee Vee CPL S28 i Communication cable 7 S 2J SS ow The dark squares indicate the direction the dipswitches should be set to 9007603005 f DE TM RE30 q This is the connection diagram between 710 T M32 and 9007675005 TM MC01 for 2 to 20 water heaters As shown is
41. inator near any air intake devices These fans can pick up the exhaust flue products from the gas appliance and return them to the building This can create a health hazard 9 Avoid using an oversized vent pipe or using extremely long runs of the pipe 10 Locate the vent terminator so that it cannot be blocked by any debris at any time Most codes require that the terminator be at least 12 inches above grade but the installer may determine if it should be higher depending on the job site condition and applicable codes 11 For rooftop venting a rain cap must be installed 12 The manufacturer recommends the T Vent line manufactured by TAKAGI Refer to the venting brochure for details However the following are also UL listed manufacturers ProTech Systems Inc FasNSeal Flex L Inc Z Flex Inc Z Vent Ill Metal Fab Inc and Heat Fab Inc Saf T Vent 12 Horizontal Installation Diagram Vertical Condensation Drain Install according to local codes Terminator Backflow preventor Recommended for freezing weather conditions 36 F and below Vertical Installation Diagram Vertical Condensation Drain Install according to local codes Backflow preventor Recommended for freezing weather conditions 36 F and below Regarding the clearance from the terminator to the air inlet or opening refer to the next page Install a condensation d
42. ipe Size section and size to the farthest appliance 10 Length For Example The section from A to B supplies gas to the 5 Length 1 Pipe Size 10 Length 15 Length furnace range and dryer Adding up the BTU requirements and 1 1 4 Pipe Size 3 4 Pipe Size 1 2 Pipe Size dividing by 1 000 yields a cubic ft requirement of 220 cubic ft of gas The farthest appliance is the range which is 50 ft away Gas Met Furnace Range from the meter Looking at the above chart and under the PRE 120 000BTU 65 000BTU serene ae Section A to B needs to be 1 in order to supply cubic ft 16 Measuring inlet gas pressure 1 Turn off all electric power to the water heater if service is to be performed 2 Turn the manual gas valve located on the outside of the unit clockwise U to the off position The water heater cannot perform properly without sufficient inlet gas pressure Below are instructions on how to check the inlet gas pressure THIS IS ONLY TO BE DONE BY A LICENSED PROFESSIONAL Shut off the manual gas valve on the supply gas line 2 Remove the screw for the pressure port located on the gas inlet of the water heater shown in the diagram to the right 3 Connect the manometer to the pressure port 4 Re open the manual gas valve Check to see that there are n
43. is to be controlled by Dual set aquastat recommended w timer a OR AirVent Pump Control Connections Refer to p 21 The recirculation pump is to provide no less than 2 GPM and no more than 4 GPM through each activated unit in the system Hot Cold Water Water Gas Inlet E Hot water outlet to See Unions fixtures lt OO amp Ball valves A E Gas supply PHHESHIHA 5 AN v i i Check valve ae Recirculation Air Expansion tank pump separator Check valve Z This is a concept drawing only __Cold water ne Y Strainer 41 Dual purpose hot water heating Domestic and Space Heating Diagramatic Layout of Radiant Heating and Domestic Water Heater Per Mass Code An approved Pressure Only Relied Valve Tie to Location approved By Cold Inlet Local Codes and Must Meet BTU Rating of water heater Model Used Check Valve Will Apply Correct Have 1 8 Hole in Themnal Shut Off Check As Per y ee male ees Expansion Valve k Mass Code ust Comply with Local an l State Codes Can Not Be Tank Size Per f Appli ati Common Vented with Other pplication Pressure Atmospheric Ao aas Gauge Vacuum Breaker pp Tempered r Water To CG
44. it CHILD 1 unit CHILD 2 unit CHILD 3 unit a a S e Connectors j e Connectors S e Connectors e Connectors TO p S er OL i z i ae U cme m gt m c mO e Left bank of m Left bank of 2 eE Left bank of Suit Left bank of amie Dipswitches e re Dipswitches e re Dipswitches e re gt Dipswitches e rH a a a a Se CoE Sah Sr Communication cable PN Zz Ne i ZA 2 CAUTION Unless 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 individual units PARENT unit E5 CHILD 1 unit M z Connectors Connectors Wrong dipswitch setting on the PARENT unit j aes Left bank of Dipswitches e o 440 0 LoS Pe G4 Communication cable 25 CAUTION e If you connect the 1 or 2 connector of the PARENT unit to the PARENT or 1 connector of the CHILD 1 unit the system will not work as the easy link system The units will work as individual units Wrong connection between the PARENT unit and the CHILD 1 unit
45. learance under veranda porch deck or balcony For clearances not specified in ANSI Z223 1 NFPA 54 or CAN CSA B149 1 please use clearances in accordance with local installation codes and the requirement of the gas supplier 14 GAS SUPPLY AND GAS PIPE SIZING TO TURN OFF GAS TO APPLIANCE 1 Turn off all electric power to the water heater if service is to be performed 2 Turn the manual gas valve located on the outside of the unit clockwise to the off position WARNING Conversion of this unit from natural gas to propane or vise versa will void all warranty Contact your local distributor to get the correct unit for your gas type The manufacturer is not liable for any property and or personal damage resulting from gas conversions Check that the type of gas matches the rating plate first e The minimum and maximum inlet gas pressures are Gas type Inlet gas pressure Natural Gas Min 5 0 WC Max 10 5 WC Propane Min 8 0 WC Max 14 0 WC e Gas pressure above this specified range for the water heater and or insufficient gas volume will adversely affect performance These pressures are measured when the water heater is in full operation e Inlet gas pressure must not exceed the above maximum values gas pressure above the specified range will cause dangerous operating conditions and damage to the unit Ensure that any and all gas regulators used are operating properly and are providing gas pressures
46. n 9 F from the set temperature the pump will remain running until the water in the loop reach the set temperature Otherwise the pump will stop for another 30 minutes If the inlet thermistor of water heaters detects that the water temperature is lower than 9 F from the set temperature before those 30 minutes have elapsed the pump will activate immediately and remain running until the water in the loop reach the set temperature Note The recirculation pump needs to be connected to the pump terminal of the water heater B Storage Tank Circulation Control No 7 ON Feature This is to ensure a higher rate of recovery for storage tank applications Function The water heater makes Water heaters heat the water 5 4 F higher than its set temperature The circulation pump from storage tank to Water heaters will always remain on After hot water temperature reach the temperature above the water heater makes the Water heaters to adjust the water flow to be less than 2 6 GPM in order to detect temperature in the system Note In this mode the water heater will not provide the pump control The termination of the pump is kept ON position continually C Energy Conserving Recirculation No 6 and No 7 ON Feature Save Energy Mode in Recirculation Control by keeping the water temperature in the loop system hot during circulation with Recirculation Control and Pump Control so it will cut down the cost of the gas and electricity Function Ene
47. n diagram These flow rate requirements must be followed Toxic chemicals used in boiler treatments such as alcohol glycerol and glycol groups must not be introduced into the system if the system incorporates an open loop potable water system Toxic chemicals used in boiler treatments such as alcohol glycerol and glycol group must not be introduced into the system when used for open loop potable water and space heating The water heater can be used to supply potable water and space heating and shall not be connected to any heating system or component s previously used with non potable water where any chemicals were added to the water heating appliances When the system requires water for space heating at temperatures higher than required for other uses a means such as a mixing valve shall be installed to temper the water for those other uses in order to reduce scald hazard potential Water temperature over 125 F 52 C can cause severe burns instantly or death from scalds Chemicals such as diluted Glycol can be used for radiant floor Hydro fan coil air or Baseboard heating only The diluted solution of glycol must contain between 25 and 55 of Glycol Be aware that in closed loop glycol systems low pressure in the heat exchanger can cause low temperature boiling resulting in excessive noise and damage to the water heater Consult with the glycol maker for specifications prior to use Re circulation The recirculation pump
48. ng and improves the visual ad of the whole installation for the water heater 7 Wall thimble with Termination 9007608005 TK KPWL4 and 9007609005 TK KPWH4 These terminations are used when venting out through the wall and are Hood Louver brochure for details Termination Termination 9007608005 9007609005 TK KPWL4 TK KPWH4 compatible with the T Vent pipe system These terminations are special stainless steel vents for gas appliances and are UL listed as Category Il Ill and IV There are two types of terminations the Louver termination and the Hood termination For different wall thicknesses there are two ranges of lengths available refer to the venting Install these vent terminations in accordance with the manufacturer s installation instructions and any applicable local codes 44 Case assembly COMPONENTS DIAGRAM Case assembly Computer board assembly Other than Part 706 the 710 T M32 and the 710 ASME T M32 ASME models share the same components 705 For 710 T M32 Ns 706 For710ASME amp T M32 ASME 45 Burner assembly The 710 T M32 and the 710 ASME T M32 ASME models share the same components LEE
49. ng plate 319143 088 EKK27 406 Filter plug 319143 070 EM222 407 O ring P25 FKM 319143 071 EZM25 408 Water inlet filter 319143 072 EX006 409 O ring JASO 1021 FKM 319143 073 EZN21 410 Heater 101 319143 068 EX002 411 Water inlet 319143 074 EM404 412 O ring JASO 1016 FKM 319143 075 EZN16 413 Heater plate 319143 076 EX021 414 Fastener 16AG 319143 077 EX01H 415 Heater 319143 078 EKK2P 416 Outlet drain plug 319143 079 EK239 417 O ring P6 FKM 319143 080 EZM06 418 Mixing thermistor 319143 081 EX00H 419 O ring P4 FKM 319143 082 EZM04 420 O ring P16 FKM 319143 083 EZM16 421 Cold pipe for 710 T M32 319143 288 EM390 422 Inlet thermistor 319143 085 EKK38 423 Water control valve 319143 086 EKH32 424 Screw M3x6 319143 087 EWOOA 425 Heater fixing plate 16 319143 125 EK031 426 Pipe heater 212 319143 321 EM45V 427 Pan screw M4x6 W Washer 319143 090 EWOOL 428 O ring P15 FKM 319143 091 EZM15 429 Flow sensor 319143 092 EKH33 430 Hot pipe for 710 T M32 319143 289 EM391 431 L joint 319143 318 EM45G 432 Hi limit switch 319143 095 EKN34 433 Output thermistor 319143 096 EKK2T 434 Fastener 4 11 319143 097 EKH30 435 Water outlet 319143 098 EKJ02 436 O ring JASO 1017 FKM 319143 099 EZN17 437 O ring P18 FKM 319143 349 EZM18 439 Hot pipe for 710 ASME T M32 ASME 319143 316 EM45E 440 Cold pipe for 710 ASME T M32 ASME 319143 315 EM45D 441 Connection pipe for 710 ASME T M32 ASME 319143 317 EM45F 701 Computer board 319143 279 EM376 702 Transform
50. nstalling the water heater flush the water Hot outlet Cold inlet Gas line to remove all debris and after installation is complete purge the air from the line Failure to do so may cause damage to the heater 5 There is a wire mesh filter within the cold inlet to trap debris from entering your heater This will need to be cleaned periodically to maintain optimum flow Pressure Relief Valve PRESSURE RELIEF VALVE The water heater has a high temperature shut off switch built in as a standard safety feature called a Hi Limit switch therefore a pressure only relief valve is required e This unit does not come with an approved pressure relief valve e An approved pressure relief valve must be installed on the hot water outlet e The pressure relief valve must conform to ANSI Z21 22 or CAN 1 4 4 and installation must follow local code e The discharge capacity must be at least 240 000 BTU h e The pressure relief valve needs to be rated for a maximum of 150 psi e The discharge piping for the pressure relief valve must be directed so that the hot water cannot splash on anyone or on nearby equipment e Attach the discharge tube to the pressure relief valve and run the end of the tube to within 6 from the floor This discharge tube must allow free and complete drainage without any restrictions e lf the pressure relief valve installed on the water heater discharges periodically this may be due to a defective thermal
51. o gas leaks Open some of the fixtures that use the highest flow rate to turn on the water heater 5 Check the inlet gas pressure When the water heater is on maximum burn the manometer should read from 5 0 to 10 5 WC for Natural gas from 8 0 to 14 0 WC for Propane 17 WATER CONNECTIONS FOR YOUR SAFETY READ BEFORE OPERATING Do not use this water heater if any part has been submersed under water Immediately call a licensed professional to inspect the water heater and to replace any damaged parts e Do not reverse the hot outlet and cold inlet connections to the water heater This will not activate the water heater All pipes pipe fittings valves and other components including soldering materials must be suitable for potable water systems 1 All pipes pipe fittings valves and other components including soldering materials must il be suitable for potable water systems 2 A manual shut off valve must be installed on the As Close as a cold water inlet to the water heater between the Possible rae SS yee main water supply line and the water heater r 3 In addition a manual shut off valve is also o recommended on the hot water outlet of the unit If the water heater is installed within or subjected to a closed loop water system a thermal expansion tank must be installed 4 Before i
52. o your heater This will keep your unit from freezing and being damaged CAUTION Only pipes within the water heater are protected by the freeze protection system Any water pipes hot or cold located outside the unit will not be protected Properly protect and insulate these pipes from freezing 33 TEMPERATURE SETTINGS e There are 8 preset temperatures that you can select from by changing the dipswitch settings on the computer board e The temperature has been preset at the factory to 120 F 49 C e f you desire to change the set temperature with dipswitches please refer to the diagram on below These temperatures are available 100 F 115 F 120 F 135 F 145 F 155 F 165 F and 185 F e f you desire a hot water temperature other than the 8 preset settings please purchase the optional temperature remote controller part No 9007603005 TM RE30 e With this optional remote controller you can set the temperature from 100 F to 185 F with various increments e Please read the instructions carefully prior to installing the remote controller as failure to do so could damage the temperature controller and or the water heater which will void the warranty e Turn off the power supply to the heater before changing the dipswitch settings e Only change the switches with the dark squares The dark squares indicate which direction the dipswitch should be set to e DO NOT set to 185 F if you use your water
53. of the unit to combustible and non combustible Eront 24 surfaces However if any portion or area of the surface is exposed to the exhaust fumes i e directly to the sides of the vent cap that surface must be at least 24 Side 2 away Keep the clearances Front 4 24 Recommended for Maintenance Bottom 12 8 INDOOR INSTALLATION gt 1 Follow all local codes or in the absence of local Top 12 codes follow the most recent edition of the National Fuel Gas Code ANSI Z2223 1 NFPA 54 in the USA or CAN CSA B149 1 Natural Gas Propane Installation Code in Canada 2 When installed indoors the water heater shall be located in an area to maintain the following minimum clearances around the unit Keep the following Front 4 clearances 24 Recommended for Maintenance Side 2 ji eaa Bottom 12 Combustion Air Supply The water heater location must provide enough air for proper combustion and ventilation of the surrounding area See the latest edition of ANSI Standard Z223 1 or any applicable local codes In general these requirements specify that if the unit is installed in a confined space there must be a permanent air supply opening Minimum recommended air supply opening size for water heater Water heater size When drawing make
54. ouble shooting e f there is a problem with the installation or the unit it will display a numerical error code on the remote controller if installed or on the 7 Seg LED of the central computer board and section computer board to communicate the source of the problem Consult the following chart for the cause of each error code 7 Seg LED N tL NS rossi S a 1 1 aN j pe ee age Renate controller Optional Error Malfunction description Error Malfunction Error Malfunction Code p Code description Code description Water Control Valve Fault 031 Incorrect dipswitch setting 391 Air fuel Ratio Rod failure 661 SA A a Warning for 991 error code Flow Sensor Failure Computer board Fault Ignition failure a es oe False Flame Detection 121 Locs oiiame 551 Abnomnal Gas Solenoid 741 Miscommunication between water Valve heater and remote controller l l Miscommunication in Easy 311 Output thermistor failure Fan Motor Fault link OR Multi unit system Inlet thermistor failure Abnormal External Pump Imperfect combustion Water Control Valve Fault 331 Mixing thermistor failure 651 Flow Adjustment function Easy Link e The 7 Seg LED on the PARENT unit displays a 5 digit number to signify which unit in the Easy Link system has the error and what the error code is The 7 Seg LED displays
55. quids in the vicinity of this appliance Do not reverse the water and or gas connections as this will damage the gas valves and can cause severe injury or death Be a ay Do not use this appliance if any part has been in contact with or been immersed in water Immediately call a licensed plumber a Prohibited licensed gas fitter or a professional service technician to inspect and or service the unit if necessary i MY Follow the diagram on p 17 when installing your water heater o E Do not disconnect the electrical supply if the ambient temperature will drop below freezing The Freeze Prevention System only works if the unit has electrical power The warranty will not be covered if the heat exchanger is damaged due to freezing Refer to the section on the Freeze Prevention System on p 33 for more information INSTALLATION All gas water heaters require careful and correct installation to ensure safe and efficient operation This manual must be followed exactly Read the Safety Guidelines section at the beginning of this manual The warranty will not cover damage caused by water quality Water hardness that leads to scale formation and or corrosion may affect damage the water heater Hard water scaling and or corrosion must be avoided or controlled by proper water treatment CAUTION The manufacturer recommends using the direct vent kit when the water heater is installed in a beauty salon Some chemicals used in a beauty
56. r and to replace any damaged parts OPERATING INSTRUCTIONS STOP Read the safety information above or in the Owners Manual Turn off all electric power to the water heater Do not attempt to light the burner by hand Turn the manual gas valve located on the outside of the unit clockwise to the off position Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this label If you don t smell gas go to next step Turn the manual gas valve located on the outside of the unit counter clockwise O to the ON position Turn on all electrical power to the water heater If the water heater will not operate follow the instructions to Turn Off Gas to water heater and Call your service technician or gas supplier TO TURN OFF GAS TO APPLIANCE 1 Turn off all electric power to the water heater if service is to be performed 2 Turn the manual gas valve located on the outside of the unit clockwise to the off position 39 a Ja Flammable Vapors Vapors from flammable liquids will explode and catch fire causing death or severe burns Do not use or store flammable products such as gasoline solvents or adhesives in the same room or area near the water heater Keep flammable products Vapors 1 Far away from heater 1 Cannot be seen 2 In approved containers 2 Vapors are heavier than air 3 Tightly closed 3 Go a long way on the floor 4 4 Out of child
57. rain in the venting Follow the vent system to vent manufacturer s instruction and local code Do not common vent or connect any vent from other appliances to the water heater vent Use 4 category III approved or Special BH single or double wall stainless steel vent pipe 13 VENT CLEARANCES nS19E ralL CORNER Vent terminal amp Air supply inlet NN Area where is not permitted JE YG WY LEO i Li LLLLL 1 LLLLL Le lt lt 3 Ya AN Ay Ww 2 lt Uy Lp A A g Gas meter regulator Canada Oo USA Direct vent and other than Direct Direct vent Other than Direct Vent Vent Clearance above grade veranda porch 4 feet from below or Sh pO OPAO NAE MAN pE 3 feet 1 foot side opening 1 foot p from above opening T l C Clearance to permanently closed window _ J 5 Jo 5 Vertical clearance to ventilated soffit located above the vent terminator within a horizontal distance of 2 feet 61cm from the center line of the terminator E Clearance to unventilated soffit i G Clearance to inside corner J H Clearance to each side of center line 3 feet P F extended above meter regulator assembly ae o Clearance to non mechanical air supply 4 feet from below or J inlet to building or the combustion air inlet side opening 1 foot to any other application from above opening l Clearance above paved sidewalk or L paved driveway located on public property M C
58. rding this equipment consult with the manufacturer or its local representative e This equipment is an on demand tankless water heater designed to efficiently supply endless hot water for your needs e The principle behind the water heater is simple l Exhaust g Computer Board ki RAS E Heat excrete Thermistor Water Control Vave N a ea E a d Flow 89 Thennistar _ ain S g S S al a ba Faw JfGas Valve Ae e ye Thermistor haan This diagram illustrates fi Tl tankless water heater WA 4 design concepts only and is Ti Sepa ee not accurate to the water Hot Water Outlet Cold Water Inlet heater s physical description A hot water tap is turned on Water enters the heater The water flow sensor detects the water flow The computer automatically ignites the burner Water circulates through the heat exchanger and then gets hot The computer will modulate the gas supply valve and water flow to produce the right amount of hot water at the correct temperature When the tap is turned off the unit shuts down SAFETY GUIDELINES Installation and service must be performed by a qualified installer for example a licensed plumber or gas fitter otherwise the warranty will be void The installer licensed professional is responsible for the correct installation of the water heater and for compliance with all national WARNING state provincial and local codes
59. re external to the unit They must be acquired separately Connect to this Pump connector Power supply for relay gt l i l Power supply for pump I 120 VAC 220 VAC etc Eee z i Po l DHALL 120 VAC EES 2 220 VAC etc p i a for relay 7 i TO oO Cy Thermal relay Ze O Q W N Z Recirculation pump 21 p PUMP CONTROL MODE The water heater provides the four types of the pump control modes The pump control modes are selected by changing dipswitch settings The dipswitches are located in the right bank of dipswitches in the upper left quadrant of the computer board in the water heater See the next page A Recirculation Control No 6 ON Feature Water heaters can provide hot water as soon as possible like a recirculation usage Function The pump is set only to run when the temperature of the water in the re circulation loop is much lower than the set temperature of the water heater The pump will run for about 1 minute in every 30 minutes to determine whether the water temperature in the whole recirculation loop is lower than 9 F from the set temperature or not If the water temperature is lower tha
60. ren s reach Can be carried from other rooms to the main burner by air currents WARNING Do not install water heater where flammable products will be stored Read and follow water heater warnings and instructions If owner s manual is missing contact the retailer or manufacturer The outlet hot water temperature of the water heater is factory set at 120 F 49 C Use this heater at your own risk The set outlet water temperature can cause severe burns instantly or death from scalds Test the water before bathing or showering Do not leave children or an infirm person in the bath unsupervised Hot Water Heater temperature over 125 F 52 C can cause severe burns instantly or death from scalding Children disabled and elderly are at the highest risk of being scalded Feel water temperature before bathing or showering Temperature limiting valves are available Ask a professional person WARNING California Proposition 65 lists chemical substances known to the state to cause cancer birth defects death serious illness or other reproductive harm This product may contain such substances be their origin from fuel combustion gas oil or components of the product itself 40 APPLICATIONS Space Heating Applications In order to purge air in water pipes within a closed loop system an air vent and air separator should be installed in to the system Required circulation flow rates are labeled next to each applicatio
61. rgy Conserving Recirculation and the Pump Control is similar to the Recirculation Control explained above The hot water temperature in the loop during recirculation is kept at maximum 122 F 50 C even if the set temperature of the water heater is 130 F 55 C or above Note The recirculation pump needs to be connected to the pump terminal of the water heater 22 D Normal Control Default setting No 6 and No 7 OFF Feature This mode provides no special pump control The pump operation can only be turned ON and OFF by the remote controller Function If a pump is connected to the pump control terminal and both No 6 and No 7 are OFF the pump will be made to run all the time as long as there is a power supply to the water heater The pump will stop when the remote controller is turned off Water in the loop will be maintained at set temperature Dipswitch settings for the Pump control mode Right bank of dipswitches A Recirculation B Storage Tank Control Circulation Conserving v O v Q O ae O X Cc AD O J ad The dark squares indicate the direction the dipswitches should be set to 23
62. rom the inside corner will be equal to the length of the wall ROE PS RIISI Serene CRBS A in accordance with local codes For multiple unit rooftop terminations whether for standard indoor or direct vent installations space all exhaust and intake terminations in accordance with local codes An exhaust termination must be spaced from a wall or surface in accordance with local codes as well In the absence of such a code an exhaust termination must be a horizontal distance of at least 2 ft away from a wall or surface 43 OPTIONAL ITEMS 1 Temperature Remote Controller 9007603005 TM RE30 The Temperature Remote Controller has two functions It allows the output temperature from the water heater to be adjusted within the range of 100 F to 185 F and it also works as a diagnostic tool that will give a concise error code whenever there is a problem with the unit The temperature options are 100 F 105 F 110 F 115 F 120 F 125 F 130 F 135 F 140 F 145 F 150 F 155 F 160 F 165 F 170 F 175 F 180 F and 185 F See the trouble shooting section for information on possible error codes 3 Backflow preventer 9007678005 TK BF01 aa gt gt The Backflow preventer prevents the E backflow of air through the exhaust vent This helps prevent harmful 4 exhaust gases from entering the home as well as helping to prevent the unit from freezing in areas where cold air can be blown or
63. salon may affect the flame sensor Water heater may not work properly Although this water heater is designed to operate with minimal sound the manufacturer does not recommend installing the unit on a wall adjacent to a bedroom or a room that is intended for quiet study or meditation etc Locate your heater close to a drain where water leakage will not do damage to surrounding areas As with any water heating appliance the potential for leakage at some time in the life of the product does exist The manufacturer will not be responsible for any water damage that may occur If you install a drain pan under the unit ensure that it will not restrict the combustion air flow The manufacturer does not recommend installing unit in an attic due to safety issues If you install your water heater in an attic e Make sure your unit will have enough combustion air and proper ventilation WARNING e Keep the area around your water heater clean When dust collects on the flame sensor the water heater will shut down on errors If the above conditions cannot be met use the direct vent conversion kit 9007668005 TM DV32 Locate unit for easy access for service and maintenance A drain pan is required to be installed under the water heater in case of leaks GENERAL 1 The manifold gas pressure is preset at the factory It is computer controlled and should not need adjustment 2 Maintain proper space for servicing Install the unit so
64. t edition of the National Fuel Gas Code ANSI Z2223 1 NFPA 54 in the USA or CAN CSA B149 1 Natural Gas Propane Installation Code in Canada Install outdoors only in areas with mild temperate climates Ensure that the unit is set for outdoor installation Locate the left bank of dipswitches to the bottom of the 7 Seg LED on the computer board The OUT dipswitch on that bank should be switched to its ON right position Do not adjust the right bank of dipswitches Make sure power to the unit is turned OFF before changing the dipswitch settings The dark square is the direction the dipswitch should be set to ON m 7 Seg LED roi a Lae a o Leftbankof J baud dipswitches 7 5 eee 7 Right bank of Z IONS i dipswitches koia Left Bank of Dipswitches 4 The outdoor vent cap must be used when unit is installed outdoor The manufacturer requires the use of its part No 9007676005 TM VC32 5 When installed outdoors the water heater shall be wall mounted or mounted on a stand Locate the water heater in an open unroofed area and maintain the following minimum clearances There is a 2 clearance from the A N left and right sides
65. tall thimbles fire stops or other protective devices and they penetrate any combustible or noncombustible construction be sure to follow all applicable national and local codes 11 VENT TERMINATION WARNING Improper installation can cause nausea or asphyxiation severe injury or death from carbon monoxide and flue gases poisoning Improper installation will void product warranty e The vent terminator provides a means of installing vent pipe through the building wall and must be located in accordance with ANSI Z2223 1 NFPA 54 or in Canada with CAN CSA B149 1 and local applicable codes e A proper sidewall vent terminator is recommended when the water heater is vented through a sidewall If the water heater is converted to a direct vent unit a proper sidewall direct vent terminator is to be used General rules for venting the water heater are Place the water heater as close as possible to the vent terminator The vent collar of the water heater must be fastened directly to an unobstructed vent pipe Do not weld the vent pipe to the water heater collar Do not cut the vent collar of the unit The weight of the vent stack must not rest on the water heater oy Oe ee ee ee The vent must be easily removable from the top of the water heater for normal service and inspection of the unit The water heater vent must not be connected to any other gas appliance or vent stack 8 Avoid locating the water heater vent term
66. ter This is normal After operation has stopped the fan operation has stopped motor keeps running for 35 seconds in order to re ignite quickly as well as push all exhaust gas out of the flue Abnormal sounds come from the unit e Contact the manufacturer at 1 877 737 2840 REMOTE CONTROLLER 9007603005 TM RE30 OPTIONAL PROBLEM POSSIBLE SOLUTIONS Remote controller does not display Press the ON OFF button anything when the power button is If the lamp lights up gt turned on e This is normal When the unit has not operated for five minutes or more the display turns off to converse energy If the lamp does not light gt e Make sure the unit has power supply e Make sure the connection to the unit is correct p 20 An ERROR code is displayed e Please see the p 38 EASY LINK SYSTEM PROBLEM POSSIBLE SOLUTIONS How are the unit numbers assigned e For an Easy Link system other than the Parent unit which is always labeled 1 all the other units the Child units are numbered randomly To check which numbers are assigned to which units push the button on the computer board of a unit as shown below The unit number will be displayed on the 7 Seg LED Button to check unit numbers 37 TROUBLESHOOTING ERROR CODES e The units are self diagnostic for safety and convenience when tr
67. the CHILD 1 and the CHILD 2 Connect the 2 connector of the CHILD 1 unit to the 1 connector of the CHILD 2 unit 5 Between the CHILD 2 and the CHILD 3 Connect the 2 connector of the CHILD 2 unit to the 1 connector of the CHILD 3 unit 6 Make sure the 7 seg LED of all the units computer boards display the unit The numbering system automatically allocates the unit to each water heater in the Easy Link system in accordance with the table below PARENT unit Unit 1 The dark squares indicate the direction CHILD units Unit 2 3 and 4 the dipswitches should be set to PARENT un
68. the number one digit at a time e The remote controller if installed displays a 3 digit number which also signifies which unit has the error and what the error code is e The unit that has the error in an Easy Link system will display the error code on its 7 Seg LED in exactly the same way as if it were only a Single Unit Single Unit e The 7 Seg LED displays the 3 digit error codes one digit at a time The remote controller if installed displays the whole 3 digit error code at once Example If your unit has the 321 error code inlet thermistor e The 7 Seg LED will flash the 3 digit error code one digit at a time The 7 Seg LED will display 3 2 1 and then repeat the 3 digits e The remote controller however will display 321 on its screen in its entirety Example i N N ff i If Unit 2 has the 321 error code inlet thermistor Unit 1 Unit 2 Unit 3 Unit 4 e The 7 Seg LED on the PARENT unit will display 3 PARENT CHILD CHILD CHILD 2 1 0 2 displaying only one digit at a time The first 3 numbers indicate the error code 3 2 1 0 2 3 2 1 The last two numbers indicate that Unit 2 has the error L DN aye AON J a ae Se es e The remote controller however will display 232 on its screen in its entirety The first 2 indicates that Unit 2 has the error The 32 indicates the first two Remote digits of the 3
69. tion Taken from UPC 2006 FREEZE PROTECTION SYSTEM This unit comes equipped with heating blocks to protect it against damages associated with freezing For this freeze protection system to operate there has to be electrical power to the unit Damage to the heat exchanger caused by freezing temperatures due to power loss is not covered under the warranty In cases where power losses can occur consider the use of a backup power supply The freeze protection system will activate when the surrounding and or outside temperatures drop below 36 5 F 2 5 C In any areas subject to freezing temperatures the manufacturer highly recommends installing the unit indoors In such an installation freezing issues can only occur if cold air enters through the venting into the heat exchanger whether by negative pressures within the installation location or by strong outside winds It is the installers responsibility to be aware of these issues and take all preventative measures The manufacturer will not be responsible for any damage to the heat exchanger as a result of freezing The manufacturer also highly recommends the use of a back flow vent damper and or converting the water heater to a direct vent unit to minimize the amount of cold air entering through the exhaust venting when the water heater is off If you will not be using your heater for a long period of time 1 Completely drain the unit of water Refer to p 35 2 Disconnect power t
70. to the water heater exactly as shown in the wiring diagram A green screw is provided in the junction box to ground the connection Can be hardwired or wired to a plug in The use of a surge protector is recommended in order to protect the unit from power surges Connect Power supply 120 VAC 60Hz Ground 19 REMOTE CONTROLLER CONNECTIONS 1 Disconnect power supply from the water heater 2 Take off the water heater s front cover 3 Please find the remote control terminal using the picture below located around the lower right hand side of the water heater 4 Open the plastic cover of the remote controller accessory and then attach the fork terminal to the connector base of the backside the remote controller accessory with two screws Make sure the terminals are firmly fixed 5 Put the remote wires through the hole on the bottom of the unit casing 6 Connect the remote wires to the remote controller terminal properly No polarity Do NOT jump or short circuit wires Computer will be damaged 7 Replace Front Cover securely 8 Wires used for the remote controller connection must be e Minimum 18AWG wire No polarity e Maximum 400 feet long For details on the connection to the remote controller accessory refer to the remote controller Installation Manual Remote controller terminal of the water heater i Front of remote
71. ur hand to avoid any spark Never use tools If the knob will not turn by hand do not try to force it call a qualified service technician Forced repair may result in a fire or explosion due to gas leaks Be sure to check next to the bottom of the unit because some gases are heavier than air and may settle towards the floor Check the GAS PRESSURE Refer to p 15 Do not try to light the burner manually It is equipped with an electronic ignition device which automatically lights the burner Check for PROPER VENTING and COMBUSTIBLE AIR to the heater Purge the GAS and WATER LINES to remove any air pocket Do not use this water heater if any part has been submersed under water Immediately call a qualified service technician to inspect the water heater and to replace any damaged parts CAUTION IF YOU SMELL GAS Do not try to start the water heater Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Once the above checks 2 Fully open the manual 3 Open a hot water tap to have been completed water control valve on the verify that water is flowing please clean filter of any water supply line to that tap debris Refer to p 35 for instructions i Then close the hot water tap Fully open the manual 5 Turn on the 120 volt 60 Hz
72. within the specified range shown above e Until testing of the main gas line supply pressure is completed ensure the gas line to the water heater is disconnected to avoid any damage to the water heater Gas connections 1 Install a manual gas shut off valve between the water heater and the gas supply line 2 When the gas connections are completed it is necessary to perform a gas leak test see below either by applying soapy water to all gas fittings and observing for bubbles or by using a gas leak detection device e The water heater and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psi 3 5 kPa e The water heater must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 5kPa 3 Always purge the gas line of any debris and or water before connecting to the gas inlet Size the gas pipe appropriately to supply the necessary volume of gas required for the NOTICE water heater using ANSI233 1 NFPA 54 in the USA or CAN CSA B149 1 in Canada or local codes Otherwise flow capabilities and output temperatures will be limited 15 Natural Gas Supply Piping Maximum Delivery Capacity of Cubic Feet of Gas per Hour of IPS Pipe Carrying Natural Gas of 0 60 Specific Gravity B
73. y 8 9 W POW uenee 33 0 07 A Freeze Protection System 33 Freeze 187 W Temperature Settings 006 34 Protection 4 56 A Maintenance and Service 35 40 psi or above is recommended for maximum flow GENERAL TROUBLESHOOTING 36 The Manifold Pressure is the factory setting and OPERATING SAFETVY 0000cccceeeeee 39 generally should not need adjustment APPLICATIONS 41 NOTE Re Circulation DTE 41 All references to the 710 T M32 also refer to the Dual Purpose Heating 6 42 710 ASME T M32 ASME model ADDITIONAL CLEARNCEG 43 Check the rating plate to ensure this product OPTIONAL ITEMS 44 matches your specifications COMPONENTS DIAGRAM 45 n accordance with ANSI Z21 10 3 PARTS NS Tuaian aa eee 48 CO emission does not exceed 400 PPM for OUTPUT TEMPERATURE CHART 50 normal input LIMITED WARRANTY 51 The manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations INTRODUCTION e This manual provides information necessary for the installation operation and maintenance of the water heater e The model description is listed on the rating plate which is attached to the front cover of the water heater e Please read all installation instructions completely before installing this product e If you have any problems or questions rega

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