Takagi T-KJr2-IN / 110, Installation Manual And Owner'S Manual

Page 1: ...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 li...

Page 2: ...PERATION 22 OWNER S GUIDE OPERATING SAFETY 23 NORMAL OPERATION 25 General 25 Temperature Settings 25 Without Remote Controller DIP switch Settings for Temperature Flow 26 Freeze protection system 26 M...

Page 3: ...ht 13 kg 28 7 lbs 18 kg 39 6 lbs 18 kg 39 6 lbs Dimensions 520 mm H x 351 mm W x 170mm D H 20 1 2 x W 13 3 4 x D 6 3 4 520 mm H x 351 mm W x 216mm D H 20 1 2 x W 13 3 4 x D 8 1 2 Ignition Electric Ign...

Page 4: ...he burner chamber 6 Water circulates through the heat exchanger and then gets hot 7 Using thermistors to measure temperatures throughout the water heater the computer modulates the gas and water valve...

Page 5: ...installed in a location where the proper amount of combustible air will be available to it at all times without obstructions 6 The electrical connection requires a means of disconnection to terminate...

Page 6: ...anty will not cover damage caused by water quality Only potable water can be used with this water heater Do not introduce pool or spa water or any chemically treated water into the water heater Water...

Page 7: ...05mm 12 in 305mm 12 in 102mm 4 in 25mm 1 in 76mm 3 in T D2 IN 510 305mm 12 in 305mm 12 in 102mm 4 in 25mm 1 in 76mm 3 in 610 mm 24 inches recommended for maintenance Maintain all clearances around the...

Page 8: ...F 43 C 110 F 44 C 111 F 45 C 113 F 46 C 115 F 47 C 117 F 50 C 122 F 55 C 131 F 60 C 140 F 65 C 149 F 70 C 158 F 75 C 167 F 80 C 176 F See the troubleshooting section for information on possible error...

Page 9: ...stead of two separate penetrations for the intake and exhaust piping The termination includes a bird screen restricting small animals pests and foreign objects from entering into the vent system This...

Page 10: ...edition of CSA B149 1 Natural Gas and propane Installation Code as well as applicable local building codes The manufacturer recommends the Flexmaster line However the following are also UL listed manu...

Page 11: ...nt pipe When the horizontal vent run exceeds 1 5 m 5 ft support the vent run at 0 9 m 3 ft intervals with overhead hangers The maximum length of exhaust vent piping must not exceed 15 24 m 50 ft deduc...

Page 12: ...shing Roof flashing Backflow preventer Recommended for freezing weather conditions 2 C 36 F and below Vertical condensation drain must be installed in accordance with local codes Horizontal Installati...

Page 13: ...tside corner G Clearance to inside corner H Clearance to each side of center line extended above meter regulator assembly 3 feet I Clearance to service regulator vent outlet 3 feet J Clearance to non...

Page 14: ...f the adjacent wall is less than 610 mm 2 ft of length the minimum required distance away from the inside corner will be equal to the length of that adjacent wall 3 ft 3 ft 3 ft Air supply inlet Exhau...

Page 15: ...to or less than 1 2 psi 3 5kPa 3 Always purge the gas line of any debris inert gas and or water before connecting to the gas inlet Inert gas may be left in the line from pressure testing Note Size th...

Page 16: ...nd 199 000 BTU h for the T D2 IN 510 The pressure relief valve needs to be rated for a maximum of 150 psi The discharge piping for the pressure relief valve must be directed so that the hot water cann...

Page 17: ...of the remote controller and then attach the two fork terminals to connector base of the backside of the remote controller with two screws Make sure the terminals are firmly fixed 9 Pull the remote s...

Page 18: ...r A communication cable gray color comes with each T D2 IN 510 model You can manifold from 2 to 4 units without the need for a Multi Unit Controller A 4 unit system has full automatic modulation betwe...

Page 19: ...ature settings on ALL the units are set to the same settings Otherwise the units will not operate properly If a remote controller is used the temperature on all the units in the system will automatica...

Page 20: ...3 4 5 6 PARENT 1 2 Connectors Right bank of Dipswitches OFF ON 1 2 3 4 5 6 PARENT 1 2 PARENT unit CHILD 1 unit Wrong connection Remote controller Prohibited Remote controller connected to incorrect un...

Page 21: ...hours for 60 seconds Wire to product approved pump The T D2 IN 510 built in Pump control may also be used to control pump Heating Coil used with air handler Cold water supply 4 gas exhaust vent Discha...

Page 22: ...e GAS and WATER LINES to remove any air pockets or debris Do not use this water heater if any part has been submersed under water Immediately call a qualified service technician to inspect the water h...

Page 23: ...ce technician Forced or attempted repair may result in a fire or explosion D Do not use this water heater if any part has been under water Immediately call a qualified service technician to inspect th...

Page 24: ...s will be stored Read and follow water heater warnings and instructions If owner s manual is missing contact the manufacturer WARNING The outlet hot water temperature of the water heater is factory se...

Page 25: ...40 F T K4 IN 310 T D2 IN 510 40 C 104 F 45 C 113 F 50 C 122 F 60 C 140 F For detailed DIP switch settings for each temperature refer to the charts on the right The temperature has been preset at the f...

Page 26: ...r2 IN 110 L hr 681 681 L min 11 4 11 4 GPH US 180 180 GPM US 3 3 T K4 IN 310 L hr 931 931 L min 15 5 15 5 GPH US 246 246 GPM US 4 1 4 1 T D2 IN 510 L hr 954 954 L min 15 9 15 9 GPH US 252 252 GPM US 4...

Page 27: ...licensed technician Unit Draining and Filter Cleaning Drain plug Small Water valve Gas valve Drain plug with Filter Large 1 Close the manual gas shutoff valve 2 Turn off power to the unit and wait a...

Page 28: ...nd D b Relieve pressure within the water heater by temporarily opening up the pressure relief valve c Drain the water heater and connect hoses pump to the drain ports of the isolation valves Outlet of...

Page 29: ...Is the unit frozen Is there enough gas in the tank cylinder For Propane models Is it plumbed back with reverse plumbing If your water heater is used in a dual purpose installation with a check valve...

Page 30: ...E30 only If the green LED lights up the remote controller has been turned ON When the unit has not operated for five minutes or more the display turns off to conserve energy When ON green LED is lit A...

Page 31: ...its entirety T D2 IN 510 model The 7 Seg LED on the computer board will display 3 2 1 in that order one digit at a time and continually repeat If the TM RE30 is installed 321 will display on the scree...

Page 32: ...t 103 especially if the water heater has been installed in a contaminated area Check the DIP switches match gas type of unit Check the manifold pressure at Max and Min Check the proportional gas valve...

Page 33: ...igns of vent corrosion Check gas valve contacts and gas valve wire harness connections for signs of rust or corrosion Four Times 61 611 Fan motor fault Check for connection breakage of wires dust buil...

Page 34: ...the water heater is installed and match DIP switches Check if there is any blockage in the intake air and or exhaust If the water heater is installed as a direct vent system check whether there is eno...

Page 35: ...IN 110 Temperature remote controller T KJr2 IN 110 T K4 IN 310 TK RE02 T K4 IN 310 T D2 IN 510 T D2 IN 510 TM RE30 002 050 702 052 007 052 052 001 004 051 720 704 721 052 003 052 004 001 052 003 002 0...

Page 36: ...te Fan motor section of this model does NOT have 116 or 117 like T K4 IN 310 T D2 IN 510 101 709 111 065 108 712 107 110 106 109 706 053 121 053 703 053 704 705 053 105 104 401 059 052 112 059 103 113...

Page 37: ...5 120 053 711 053 714 062 055 121 703 053 704 705 401 104 105 052 053 112 113 114 708 067 066 055 062 053 A A 706 053 A 150 061 119 151 118 052 101 709 111 101 709 111 701 053 053 712 102 053 T K4 IN...

Page 38: ...10 708 103 402 402 407 408 719 Water way assembly T KJr2 IN 110 463 413 453 414 412 063 451 B C 401 414 452 450 Computer board assembly T D2 IN 510 707 710 708 715 103 717 718 701 709 719 716 Water wa...

Page 39: ...10 403 462 458 460 456 454 411 459 463 413 452 450 453 451 414 B C 401 414 412 063 Bypass section Water outlet section 456 460 409 455 410 454 408 064 C Water inlet section 402 461 458 052 415 064 460...

Page 40: ...Jr2 IN 110 EX00S Igniter rod for T K4 IN 310 T D2 IN 510 EKK0F Item Description Part 110 Rod holder for T KJr2 IN 110 EX00U Rod holder for T K4 IN 310 T D2 IN 510 EKK32 111 Rod cap EKN61 112 Burner da...

Page 41: ...wire for T KJr2 IN 110 EK431 Flame rod wire for T K4 IN 310 EKK3L Flame rod wire for T D2 IN 510 EKK11 710 EH IG wire for T KJr2 IN 110 T K4 IN 310 EKK3R EH IG wire for T D2 IN 510 EKK0Z 711 Igniter...

Page 42: ...Various Inlet Water Temperature Set Temp T D2 IN 510 Model When the set temperature is 55 C 131 F or higher maximum flow rate is limited to 8 0 GPM Output temperatue vs GPM Max 6 6 GPM with Various In...

Page 43: ...location only within the United States or Canada 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...

Page 44: ...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 ai...