Takagi T-KJr, Installation Manual And Owner'S Manual

Page 1: ...rbon monoxide gas and flue gases which can cause serious injury or death Improper installation and or operation or installation by an unqualified person will void warranty WARNING If the information i...

Page 2: ...onal Items 20 TK RE01 20 TK BK01 20 TK TV01 20 TK TV03 20 Parts Diagram 21 22 Parts Lists 23 Flow Chart 24 Specifications Natural Gas Input Min 19 500 Btu Max 140 000 Btu LPG Input Min 17 000 Btu Max...

Page 3: ...Gas Company or the manufacturer WARNING Do not disconnect the electrical supply if the temperatures will be near freezing The Freeze Prevention Device will only work if the unit has proper electrical...

Page 4: ...water demanding appliance 2 Unit will detect flow burners will ignite and Fire On lamp will light up on computer board 3 If necessary mix in cold water to get a comfortable temperature Turning It Off...

Page 5: ...into the flue and cause the unit to freeze Do not install the water heater in an area with extremely cold weather This will void your warranty and Takagi Industrial Co USA Inc will not be responsible...

Page 6: ...ccessories Check that all the parts listed below were included with the unit Electrical Connections The T KJr requires a 60 Hz 120 VAC electrical power supply and it should be properly grounded in acc...

Page 7: ...6 Wiring Diagram...

Page 8: ...ailer or distributor to get the correct unit for your gas type Always install a manual shutoff valve on the gas supply line in case of an emergency or if service or maintenance is necessary This appli...

Page 9: ...ween the unit and the relief valve It is recommended that the Pressure only relief valve be installed 6 inches away from water flow to prolong the life of the Pressure relief valve The Pressure only R...

Page 10: ...pen unroofed area and maintain the following minimum clearances from combustible and noncombustible materials Outdoor Clearances Bottom Piping side 6 Front Maintenance space Min 6 Back of heater 1 Non...

Page 11: ...egory III vent pipe to the 4 round collar on the top of the unit WARNING Do not install the unit directly on a combustible surface such as wood floors etc Install with clearance in mind keeping at lea...

Page 12: ...allation of water heaters in manufactured homes mobile homes and the latest edition of the National Fuel Gas Code ANSI Z221 3 NFPA 50 Locate the heater in an enclosure separating the unit from the int...

Page 13: ...the unit counterclockwise to the OFF position 5 Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow b in the Initiating the Appliance section above If you do not detect gas proc...

Page 14: ...er for space heating at temperatures higher than required for other used a means such as a mixing valve shall be installed to temper the water for those uses in order to reduce scald hazard potential...

Page 15: ...ater and heat exchange panel 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 for...

Page 16: ...T KJr with Storage Tank The maximum flow rate through the T KJr is 5 8 GPM If it is necessary to achieve higher flow rates for longer periods of time then it can be installed in conjunction with a st...

Page 17: ...16 This system will also need a pump of 1 12 hp or greater depending on the application situation...

Page 18: ...ped with an ignition device that automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING smell all around the water heater area for evidence of leaking gas Be sure to...

Page 19: ...ldren or the infirm without supervised DANGER Hot Water Heater temperature over 125 F can cause severe burns instantly or death from scalding Children disabled and elderly are at the highest risk of b...

Page 20: ...supply line is sized properly and that the gas pressure is within the required range If the gas line is okay check the plumbing for mixing valves thermostatic valves scald protection single handled va...

Page 21: ...lowing chart for the meaning of an error code TK RE01 Computer Board TK RE01 Check Point 03 Wrong Gas 70 Computer Board Blinking One Time 71 Solenoid Gas Valve 31 Output Thermistor Blinking Two Times...

Page 22: ...F 104 F 106 F 108 F 109 F 111 F 113 F 115 F 117 F 122 F 131 F 140 F 158 F and 167 F See the trouble shooting section for information on possible error codes 3 TK TV03 Vent Damper The TK TV03 Vent Damp...

Page 23: ...out a thimble Install vent terminator in accordance with manufacturer s installation instructions and any applicable local codes 4 TK TV03 Vent Cap The TK TV03 Vent Cap is for outdoor installation wit...

Page 24: ...23 Case Burner Gas Manifold...

Page 25: ...24 Water Way...

Page 26: ...SCREW 124 FAN 125 PRESSURE SWITCH SENSING PLATE 126 SILICONE TUBE 127 EXHAUST PACKING 128 SCREW 129 OVERHEAT CUT OFF FUSE FIXING PLATE 130 OVERHEAT CUT OFF FUSE 131 OVERHEAT CUT OFF FUSE FIXING PLATE...

Page 27: ...e vs Temperature T KJr Flow Rate vs each Ground Water Temperature 0 00 1 00 2 00 3 00 4 00 5 00 6 00 7 00 100 110 120 130 140 150 160 170 180 Hot Water Output Temperature Hot Water Output GPM 40 F 50...