Pavilion GQ-C3260WXQ-FF PB US, Installation Manual

Page 1: ... YOU SMELL GAS Do not try to light any appliance Do not touch any electrical 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 WARNING Low NO...

Page 2: ...Select a Vent Type 23 6 4 Vent Pipe Installation Direct Vent 24 6 5 Vent Pipe Installation Non Direct Vent 30 6 6 Outdoor Installation 36 7 Connecting the Gas Supply 36 8 Connecting the Water Supply 40 8 1 Overview of the Recirculation System 40 8 2 Installation 43 8 3 Water treatment 45 9 Connecting the Condensate Drain 47 10 Connecting Electricity 49 10 1 Water Heater 49 10 2 Remote Controller 4...

Page 3: ...enting the Water Heater section for details If PVC CPVC or Category IV listed pipe is already installed check for punctures cracks or blockages and consult with the vent pipe manufacturer before reusing If the flexible polypropylene pipe is already installed replace to the new flexible polypropylene pipe Improper venting may result in fires property damage or exposure to Carbon Monoxide Check the ...

Page 4: ... installed on the next adjacent floor level Detector s must be installed by qualified licensed professionals APPROVED CARBON MONOXIDE DETECTORS Each carbon monoxide detector shall comply with NFPA 720 and be ANSI UL 2034 listed and IAS certified SIGNAGE A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight 8 ft above grade...

Page 5: ...n 75 mm Stock Code 1813 1 2 in SV Conversion Kit 1 Stock Code 1814 90 Elbow With Inlet Screen 2 in 3 in Increaser coupling 2 in Pipe Installation Manual Check List Outdoor Vent Cap 1 Stock Code 1815 Quick Connect Cord 1 Stock Code 1809 2 About the Water Heater The following accessories are included with the Water Heater Check for any missing items before starting installation The accessories liste...

Page 6: ...ter lines Cold and Domestic hot water lines 6 Equipped with purge and drain valve for hose connection and tethered brass cap 7 Equipped with the 3 4 connection for optional pressure relief valve 150psi Scale Inhibitor 1 each Damage to the Heat Exchanger caused by Scale Build up is not covered by the Pavilion Limited Warranty To prevent the Heat Exchanger damage the water must be treated with a Sou...

Page 7: ...in Condensate Drain NPT 1 2 in Power Supply Supply 120 VAC 60 Hz Consumption NG 218 W LP 202 W Freeze Prevention 114 W Maximum Current 4 Amps Materials Casing Front Cover Hot dipped zinc aluminum magnesium alloy coated steel w Polyester Coating Casing Zincified Steel Plate Polyester Coating Flue Collar PP Primary Heat Exchanger Stainless Steel Sheeting Stainless Steel Tubing Secondary Heat Exchang...

Page 8: ...0 27 4 696 2 2 56 3 9 100 5 2 132 6 7 169 8 1 206 2 0 4 0 24 10 6 OBLONG HOLE 4 0 24 0 6 6 15 OBLONG HOLE 4 Φ0 5 Φ13 14 1 359 1 1 27 3 5 89 0 3 8 26 0 661 25 9 658 2 3 59 0 4 10 WALL MOUNTING BRACKET INCLUDED ACCESSORY 7 Φ0 2 Φ6 16 0 406 10 2 260 5 1 130 7 2 183 2 1 5 3 About the Water Heater ...

Page 9: ...IN VALVE HOT WATER OUTLET 3 4 GAS INLET 3 4 WATER DRAIN VALVE HOT WATER RETURN 3 4 11 3 288 9 7 246 2 0 51 4 9 124 1 7 42 5 7 144 7 0 177 9 2 234 15 4 392 15 6 397 10 9 276 CONDENSATE DRAIN 1 2 WATER DRAIN VALVE 2 2 56 6 0 152 8 3 229 27 0 687 HEIGHT OF EACH FITTING FROM BOTTOM OF CASE HOT WATER OUTLET 1 8 45 COLD WATER INLET 1 9 49 CONDENSATE DRAIN 1 7 42 HOT WATER RETURN 2 7 69 GAS INLET 2 2 56 ...

Page 10: ...alve Hot Water Return Valve Gas Supply Valve Condensate Drain Pipe Water Drain Valve with Water Filter Pressure Relief Valve Hot Water Valve Outdoor Installation Outdoor Vent Cap Intake Pipe Exhaust Pipe Flex Vent 2 in Conversion Kit About the Water Heater ...

Page 11: ...tion against water damage is required to be installed under the Water Heater in case of leaks WARNING Do not install in the following places A location where it is not free from obstacles and stagnant air Near staircases or emergency exits A place where it may be threatened by falling objects such as under shelves On common walls as the appliance will make some operational noises while it is runni...

Page 12: ...ater 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 Water quality If this Water Heater will be installed in a location where the hardness of the supply water is high scale Build up may cause damage to the Heat Exchanger Perform suggested treatment and maintenance measures in...

Page 13: ...tion Before installing check for the following Install in accordance with relevant building and mechanical codes as well as any local state or national regulations or in the absence of local and state codes refer to National Fuel Gas Code ANSI Z223 1 NFPA 54 latest edition In Canada see the Natural Gas and Propane Installation Code CSA B149 1 latest edition for detailed requirements WARNING Requir...

Page 14: ... Installation Required Clearances From the Water Heater Maintain the clearances from both combustible and non combustible materials 24 in 610 mm or more 36 in 910 mm or more Outdoor Vent Cap 3 in 76 mm or more 4 3 For Quick Connect Multi System Surrounding the area of installation When installing the Water Heater in a common side corridor 47 in 1 194 mm or more 84 in 2 134 mm or more the bottom ed...

Page 15: ...all Mounting Bracket and affix the Wall Mounting Bracket securely to the wall by 5 screws Finally make sure the bracket can support the weight of the Water Heater 2 Hang the Water Heater on the Wall Mounting Bracket After hanging the Water Heater you have the ability to move either left or right to position the Water Heater in the appropriate spot Once positioned a screw see below can be fastened ...

Page 16: ...ing out of the condensate drain pipe During normal use of the Water Heater condensate will begin to discharge from the condensate drain pipe within 15 minutes of use However depending on the season and or installation site conditions it may take longer 10 oz 280 mL Intake Exhaust Adjust the DIP switches as illustrated in the table below if this Water Heater is installed at an altitude of 2 000 ft ...

Page 17: ... Determine proper location for wall or roof penetration for each termination NOTE Do not exceed maximum allowed vent lengths as described in this manual Pipe Cement Primer Material United States Canada Exhaust Air Intake Exhaust Air Intake Schedule 40 PVC ANSI ASTM D1785 ULC S636 Certified Materials Only CSA B137 3 PVC DWV ANSI ASTM D2665 CSA B181 2 Schedule 40 CPVC ANSI ASTM F441 CSA B137 3 Polyp...

Page 18: ...tallation of Flex Vent 2 in Kit ambient temperatures must be greater than 40 F 5 C Afterwards installation site ambient temperature must be greater than 4 F 20 C Flex vent pipe breakage may occur if these temperature requirements are not observed Only listed manufacturer specified vent parts may be used for this Water Heater Use only solid PVC CPVC schedule 40 or PP pipe 2 in or 3 in schedule 80 p...

Page 19: ... sized correctly properly constructed and in good condition if being installed in a chimney as a liner Inspect chimney to make certain it is constructed according to the latest revision of the NFPA211 Local codes may differ from this code and should be checked Where there is a conflict the local code will prevail In Canada refer to the National Building Code or CSA A405 as applicable Refer to manu...

Page 20: ...en reconnect the electrical power to the Water Heater to reset the system Do not store hazardous or flammable substances near the vent termination and check that the termination is not blocked in any way Steam or condensed water may come out from the vent termination Select the location for the termination as to prevent injury or property damage If snow is expected to accumulate make sure the term...

Page 21: ... 5 ft 2 36 ft Total equivalent length 50 ft Select Short length Maximum Vent Length Configurations For Flex Vent 2 in Conversion Kit Maximum Vent Length Example Actual Vent Length 13 ft 3 9 m with DIP switch set at Short length condition Actual Vent Length 25 ft 7 5 m with DIP switch set at Long length condition Example 2 Vent Size 3 in V Vertical length 35 ft H Horizontal length 10 ft 90 elbow 3 ...

Page 22: ...elect Long length Centrotherm Flex Through Chimney w Air Intake Only 3 in The vent length condition setting depends on the flexible pipe length the rigid pipe length and number of elbows Calculate an each ventilation system equivalent length then adjust the DIP switch Here Vent length condition DIP switch 7 Maximum equivalent vent length Equivalent length Short length OFF Exhaust vent V Vertical H...

Page 23: ...the surrounding indoor air Combustion air Exhaust Non Direct Vent with Flex Vent 2 in Conversion Kit The Water Heater can be installed outside using the Outdoor Vent Cap Combustion air Exhaust Outdoor with Outdoor Vent Cap This Water Heater is suitable for Common Vent System To make a Common Vent System refer to the Common Vent installation manual or contact Pavilion Customer Center at https www p...

Page 24: ... line of the regulator vent outlet to a maximum vertical distance of 15 ft 4 5 m J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any other appliance 6 in 15 cm for appliances 10 000 Btuh 3kW 12 in 30 cm for appliances 10 000 Btuh 3kW and 100 000 Btuh 30 kW 36 in 91 cm for appliances 100 000 Btuh 30 kW 6 in 15 cm for appliances 10 000 Btuh 3kW 9 in 23 cm fo...

Page 25: ...snow level Ceiling Interior Wall e g Hood Termination installation e g Hood Termination installation e g Low Profile Termination installation Exhaust 3 in 75 mm or 2 in 50 mm Intake 3 in 75 mm or 2 in 50 mm Intake Intake Overhang Exhaust Exhaust Exterior Wall If 3 ft 0 9 m distance between Intake and Exhaust cannot be ensured the installation can be carried out only in the installation method show...

Page 26: ...ections other than directly downward will increase the risk of freezing Reversing the air intake and exhaust pipes is not allowed Carbon Monoxide CO emissions and noise due to vibration will increase WARNING NOTE Do not use Hood termination Exhaust Intake Interior View Exterior View Interior View Exterior View Interior View Exterior View Exhaust Intake Exhaust Intake NOTE Upper side is exhaust low...

Page 27: ...ncentric Termination installation 2 in or 3 in Concentric Termination Install a securing strap to prevent movement of the termination For Horizontal PVC Concentric Termination PVC CPVC Material Only The concentric termination may be shortened but not lengthened from its original factory supplied length 2 in 50 mm or 3 in 75 mm PVC or CPVC pipe may be used with the concentric termination Maintain t...

Page 28: ...in End of 90 Elbow Bird Screen is not supplied with water heater order separately To prevent excessive condensation formation only the vent termination should be located on the exterior of the building When the vent termination is located not less than 8 ft 2 4 m from a vertical wall or similar obstruction terminate above the roof at least 2 ft 0 6 m but not more than 6 ft 1 87 m in accordance wit...

Page 29: ...ouplings are required Increaser couplings need to be used just prior to 3 in Concentric Termination The length of the pipe between the Increaser couplings and the Exhaust and Intake Flue of the Water Heater and the concentric termination vent pipe connections should be up to 6 in 152 mm For Vertical PVC Concentric Termination PVC CPVC Material Only The concentric termination may be shortened but n...

Page 30: ...mum vertical distance of 15 ft 4 5 m J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any other appliance 6 in 15 cm for appliances 10 000 Btuh 3kW 12 in 30 cm for appliances 10 000 Btuh 3kW and 100 000 Btuh 30 kW 36 in 91 cm for appliances 100 000 Btuh 30 kW 4 ft 1 2 m below or to side of opening 1 ft 300 mm above opening K Clearance to a mechanical air su...

Page 31: ...ing property damage personal injury or death Refer to the instructions provided with the conversion kit for additional details WARNING For SV Conversion Kit 1 Secure the Flex Vent 2 in Conversion Kit to top of the Water Heater Refer to the instructions provided with Flex Vent 2 in Conversion Kit for additional detail 2 Disconnect the electrical power and then turn ON DIP switch 2 and 3 Refer to pa...

Page 32: ... minimum of permanent clearance of 4 in or more in front of the Water Heater is required In order to facilitate maintenance and repair a minimum clearance 24 in or more should be met If combustion air will be provided through a duct size the duct to provide 70 ft3 of fresh air per minute H H W W Provide two permanent openings to allow circulation of combustion air e g SV Conversion Kit installatio...

Page 33: ...ert Bird Screen in End of Termination Bird Screen is not supplied with water heater order separately It is not necessary to use Bird Screens with the Hood Termination Either a tee or the Hood Termination termination may be used for the vent termination Hanger Straps Slope the horizontal vent 1 4 in upwards for every 12 in 305 mm toward the termination Above Grade Maximum snow level 12 in 305 mm Mi...

Page 34: ...e vent pipe manufacturer s instructions A short horizontal section is required to prevent debris from falling into the water heater When using a horizontal section slope the horizontal vent 1 4 in upwards for every 12 in 305 mm toward the termination to drain condensate About the termination Insert Bird Screen in End of 90 Elbow Bird Screen is not supplied with water heater order separately To pre...

Page 35: ...t 2 ft 0 6 m but not more than 6 ft 1 87 m in accordance with the National Fuel Gas Code ANSI Z223 1 NFPA 54 or Natural Gas and Propane Installation Code CSA B149 1 Roof Flashing Storm Collar When the vent penetrates a floor or ceiling and is not running in a fire rated shaft a firestop and support is required Round 3 in or 4 in B Vent used as chase for 2 in flexible PP pipe Firestop The aluminum ...

Page 36: ... rating plate NG or LP must match the type of gas being supplied to the Water Heater Meter The gas meter must be sized properly for the Water Heater and other gas appliances to operate properly Select a gas meter capable of supplying the entire Btu h demand of all gas appliances in the building Gas Conversions If the supplied gas does not match the gas type on the rating plate contact your water h...

Page 37: ...r Set Button on the circuit board Maximum Burner Set Button Circuit Board Pipe Sizing A gas shut off valve must be installed on the supply line Gas piping shall be in accordance with local utility company requirements and or in the absence of local codes use the latest edition of National Fuel Gas Code NFPA54GC ANSI Z223 1 In Canada use the latest edition of CSA B149 1 Natural Gas and Propane inst...

Page 38: ...below Round up to the lengths in the appropriate table on page 39 Read across until a capacity equal to or greater than the required demand for the section is found Read up to find the size Repeat for each section of piping Enter this size in the table below 5 Enter the input rating for each appliance in the table below For natural gas appliances enter the input rating in Btu h 1000 ft3 h For prop...

Page 39: ...ressure 2 0 in W C Pressure Drop Pipe Size Length including fittings 10 ft 20 ft 30 ft 40 ft 50 ft 60 ft 70 ft 80 ft 90 ft 100 ft 125 ft 150 ft 175 ft 200 ft 3 m 6 m 9 m 12 m 15 m 18 m 21 m 24 m 27 m 30 m 38 m 45 m 53 m 60 m 1 2 in 364 250 201 172 153 138 127 118 111 105 93 84 77 72 3 4 in 762 524 420 360 319 289 266 247 232 219 194 176 162 151 1 in 1 440 986 792 678 601 544 501 466 437 413 366 33...

Page 40: ...n domestic piping must meet requirements in NSF ANSI 61 Drinking Water System Components With a Recirculation System the water from the Water Heater to the fixtures can be warmed up in advance You can get hot water to your fixtures more quickly with less waste of water See the Owner s Guide for more information about what you can do Perform water treatment properly because Scale build up is more l...

Page 41: ...erature resistance at least 200 F 93 C Tank volume Maximum pressure for the expansion tank Without this expansion tank the increased volume of water created by thermal expansion may be relieved from a pressure relief valve In order to prevent this the expansion tank shall be installed on the return line The charged pressure PSI of expansion tank shall be set to cold water supply pressure for corre...

Page 42: ...e connector marked Crossover for Crossover mode Without connecting this connector the error code 63 may be displayed on the remote controller With the Crossover Valve Connect the connector marked Crossover Refer to page 51 for the location of the connector The minimum setting temperature is Fahrenheit mode 120 F Celsius mode 50 C for Crossover Mode CAN NOT set the hot water temperature lower than ...

Page 43: ...comfortably 15 to 150 psi 103 4 to 1034 kPa of pressure is needed from the water supply Recommended 50 to 80 psi for maximum performance If the water pressure is low the Water Heater cannot perform to its full capability and may become a source of trouble for the client If the water pressure is low local boiling will occur inside the Water Heater causing abnormal sounds and decreasing the durabili...

Page 44: ...r and hot water return connections on the Water Heater For temporary freeze protection measures refer to the Owner s Guide NOTE In order for the freeze prevention heaters to operate the Water Heater must connect the electrical power at all times 8 2 2 Freeze Prevention Freezing is prevented within the Water Heater automatically unless the outside temperature without wind is below 4 F 20 C If this ...

Page 45: ...ou must consult with the device s spec sheet and installation manual for guidelines and limitations Not all water supplies are compatible A water test may be required 2 Install Service Valve Kit with Pressure Relief Valve to allow for flushing 3 See the page 6 for more detail information about Scale Inhibitor 4 Flushing is required if a water treatment device is not installed NOTE Damage to the Wa...

Page 46: ...Exchanger when the code C1 appears 1 2 3 4 9 The factory default of this service reminder is disable If desired the customer or installer needs to enable the service reminder connect the red connector marked SERVICE REMINDER When the code C1 appears Flush the Heat Exchanger Refer to the Procedure for flushing the Heat Exchanger on page 69 After completing the flushing the code will be reset To dea...

Page 47: ...rnal neutralizer is installed Periodic replacement of the neutralizing agent will be required Refer to the instructions supplied with the neutralizer for suggested replacement intervals Floor drain Sizing of the condensate drain piping In order to drain the condensate a 1 2 in threaded fitting is provided at the base of the Water Heater NOTE Do not reduce the size of the fitting or the condensate ...

Page 48: ...freely flowing from the condensate drain piping Condensate will begin flowing out of the Water Heater within 15 minutes after operation has started Freeze prevention Take measures to prevent the condensate drain lines from freezing insulation heat tape electric heaters etc Condensate drain pipe Drain connecting supply Heat insulation material Water heater Connecting the Condensate Drain ...

Page 49: ...ulty operation NOTE Do not let the power cord contact the gas piping Do not disconnect the electrical power when not in use When the power is off the freeze prevention in the Water Heater will not activate resulting in possible freezing damage Ground To prevent electrical shock provide a ground with resistance less than 100 Ω An electrician should do this work NOTE Do not connect the ground to the...

Page 50: ...er is disconnected from the Water Heater 3 Remove the front cover 4 screws 10 3 2 Thermo sensor Thermostat Install the thermostat and adjust the setting in accordance with Title 24 For Quick Connect Multi System Connect the thermostat both of the Water Heaters 120 VAC 2 4 0 1 Connect to on demand switch wires in Water Heater Relay e g Omron G7L2ABUBJCBAC120 On demand SW Receiver of wireless on dem...

Page 51: ...ter 2 Remove the front cover 4 screws 3 Pass the Quick Connect Cord through the wiring throughway and into the Water Heater 4 Plug the connector on the Quick Connect Cord to the connector inside the Water Heater 5 Connect the ground wire gray color wire to the screw at the base of the Water Heater 6 Secure the Quick Connect Cord with a clamp 7 Reattach the front cover 4 screws NOTE If the ground w...

Page 52: ...ed in an easily accessible location Install the Remote Controller on an even wall surface Installing it on an uneven wall surface may cause the Mounting Bracket and the Remote Controller to be damaged and lead to failures Be sure to check the positions of wall studs or other obstructions when determining the installation location for the Remote Controller NOTE Avoid installing in a place where wat...

Page 53: ...Quantity Display Stopping the Recirculation Operation 1 Turn the Water Heater off by pressing the button on the Remote Controller 2 Press the button and hold it in for 2 seconds or more 3 Press the button several times until the item number 4 is displayed 4 Select on oF using the buttons on recirculation on default setting oF recirculation off 5 To confirm the setting turn the Water Heater on by p...

Page 54: ...te Controller 2 Press and hold the button until a sound is heard approximately 2 seconds 120 F 50 C appears on the display 3 Set the upper limit of the hot water temperature using the buttons For Fahrenheit F 125 140 F In 5 F intervals For Celsius C 55 C 60 C 4 Set the button to ON when continuing to use the unit as is Otherwise let the unit sit for approximately 30 seconds When changing the tempe...

Page 55: ... Use the Flat Head Tapping Screws to attach the Mounting Bracket The Dry Wall Anchor and Flat Head Machine Screws are not used NOTE Never use electric drivers impact drivers etc Tightening with excessive force may result in deformation of the Mounting Bracket and or failures Mounting Bracket included part Dry Wall Anchor included part Flat Head Tapping Screw included part Confirm the orientation o...

Page 56: ...lick Click Click Click NOTE Incomplete installation may result in failures such as switch operation failure 4 Check the terminal is covered with Section A of the insulating cover clear see the figure above NOTE If the Y shaped terminal is not covered the exposed section may come into contact with the Mounting Bracket resulting in improper operation or failure 3 Connect the Remote Controller wires ...

Page 57: ... of a temperature Default setting of maximum output temperature is 120 F 50 C 1 Turn the Water Heater off by pressing the Power button on the Remote Controller 2 Press the MENU button inside the cover select Misc settings using the buttons 3 Press the ENTER button the Misc settings screen appears on the display 4 Select Max set Temp using the buttons 5 Press the ENTER button 120 F 50 C appears on ...

Page 58: ... 0 2 000 ft 0 610 m OFF OFF 2 001 4 000 ft 611 1 219 m ON OFF 4 001 7 000 ft 1 220 2 134 m OFF ON 7 001 10 000 ft 2 135 3 048 m ON ON Vent length condition DIP switches 7 8 Less than 33 ft using 2 in 50 mm pipe OFF OFF 33 ft or more using 2 in 50 mm pipe ON OFF Less than 75 ft using 3 in 75 mm pipe OFF ON 75 ft or more using 3 in 75 mm pipe ON ON Vent length DIP switches 7 8 Short length 5 ft 1 5 ...

Page 59: ...nd if the PRIORITY indicator is off the item number is OFF 5 After setting these item number press and hold both the buttons for five seconds to confirm the new settings The Remote Controller will emit a beeping tone and the display will go blank when the settings are confirmed If this is not done the Water Heater will not put the setting changes into effect 3 Press the buttons and hold them until...

Page 60: ...mbing diagram on page 41 and 42 Never turn on and fire up the Water Heater unless the system is completely filled with water 1 Purge the air in the Water Heater and all the water line in accordance with following procedure 1 Close the gas supply valve 2 Only with dedicated return line Close the Ball Valve for Return Line See the detail plumbing information for location of Ball Valve for Return Lin...

Page 61: ...th a brush under running water 4 Reattach the water drain valves with water filter NOTE Do not lose the O Ring O Ring Water drain valve with water filter Hot water return valve Filter in the hot water return Filter in the cold water inlet Hot water valve Water supply valve back on 3 Reopen a hot water fixture 4 If necessary repeat until the air is completely purged from the gas line NOTE If gurgli...

Page 62: ...ected See page 41 Check that the Crossover Connector Red Connector is connected See page 41 and 51 Purge all air from all water lines plumbing and Water Heater completely See page 60 With a dedicated return line Dedicated Recirculation Mode Check that the return line is connected See page 40 Purge all air from all water lines plumbing and Water Heater completely See page 60 90 Combustion abnormali...

Page 63: ... pipe are properly installed Make sure that the vent system comforms with local codes state codes or national codes as ANSI NFPA and CSA Connecting the Gas Supply See page 37 40 Yes No Make sure that the gas type is compatible with the type indicated on the Water Heater s rating plate Clean out any debris from the gas piping before connecting the Water Heater Make sure that the gas piping size is ...

Page 64: ...troller Cord is correctly installed Only for crossover mode Make sure the connector marked Crossover is connected Installation of the Remote Controller See page 52 57 Yes No Make sure that the location of the Remote Controller is appropriate Check the Remote Controller operation accordance with the Owner s Guide Make sure that the display appears on the Remote Controller Setting the DIP Switches S...

Page 65: ... for other uses a means such as a mixing valve shall be installed to temper the water for those uses in order to reduce scald hazard potential Drain Valve Valve Air Vent and Air Out Check Valve Check Valve required if it is not included with the pump Optional Expansion Tank Expansion tank required if a backflow preventer is installed Air Vent Air Out Pump Size the pump to provide a maximum of 3 GP...

Page 66: ...el Remote Controller Cord Gas Supply Cold Water Supply Hot Water Remote Controller External Remote Terminal Block Quick Connect Cord Cord Connector Cord Connector Air Vent Air Out Hot Water Return Pressure Relief Valve Expansion Tank With the return line Remote Controller Cord Gas Supply Cold Water Supply and Hot Water Return Hot Water Remote Controller External Remote Terminal Block Quick Connect...

Page 67: ... Hot Water Return Hot Water Air Vent Air Out Pressure Relief Valve Expansion Tank Service Valve Kit with Pressure Relief Valve is necessary for flushing the Heat Exchanger This allows for easy flushing of the system Service Valve Kit with Pressure Relief Valve With the return line With the Crossover Valve Make this distance as short as possible The hot water temperature will become unstable as the...

Page 68: ...must be blue clear and stable The image of normal or abnormal flame is as shown figure below If the flame does not appear normal the burner may need to be cleaned by qualified service technician Pressure relief valve Operate the pressure relief valve once a year to ensure that it is functioning properly and there is no obstruction Turn the power off to the Water Heater before opening the pressure ...

Page 69: ...wer when flushing the Heat Exchanger The preparation of the flushing system 1 Close the gas supply valve 2 Close the water inlet valve V1 the water outlet valve V2 and the water return valve V3 3 Connect the one drain hose H1 to the drain valve V4 and then the other to the circulation pump 4 Connect the drain hose H2 to the circulation pump 5 Connect the drain hose H3 to the drain valve V5 6 Pour ...

Page 70: ...e Water Heater for 1 hour at a rate of 1 5 GPM or more 5 CCC 6 Turn off the circulation pump NOTE The Water Heater has four Water Drain Valves on the bottom of the Water Heater Place a bucket under the Water Heater to drain water from the Water Drain Valves Carefully unscrew the Water Drain Valves to rinse flushing solution out of the Water Heater for about 10 seconds then close the Water Drain Va...

Page 71: ... Connect Multi System 1 Open the front covers 2 Connect the blue connector marked FLUSH for Water Heater needing to be flushed The Water Heater is isolated from Quick Connect Multi system when the blue connector marked FLUSH for flushing is connected Do not need to disconnect the Quick Connect Cord e g The display when the both Water Heaters are flushed at the same time Do not disconnect the blue ...

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