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Takagi T-KJr2U-IN, Installation Manual And Owner'S Manual

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Takagi T-KJr2U-IN Installation Manual And Owner'S Manual Download Page 48

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B 

510U (T-D2U) models

703

121

705

053

706

704

705

110U (T-KJr2U) and
310U (T-K4U) models

701

705

103

402
402

715

707

715

403

714

709

708

711

705

103

709

402

402

711

707

714

407

408

708

716

716

701

061

Computer board assembly

Surge box assembly

Components Diagram

Owner's Guide

All manuals and user guides at all-guides.com

Summary of Contents for T-KJr2U-IN

Page 1: ...C 8 06 9 6 0 8 0 7 07 0 0 7 B 07 0 0 07 6 0 07 0 0 7 C 6 0B 6 7 7 B 0 B C D 0 B D 0 0 7 00 7 B 6 0 0 0 06 8 C 6 C7 9 6 0 8 B 0 7 B On Demand Water Heater Installation Manual and Owner s Guide 06 0 0...

Page 2: ...9 0 9 0 0B 0 0 9 B 6 0 0 12 0 0B 0 0 13 7 06 B 0B 18 00 0 20 00 0 21 0 22 7 0 7 25 0 7 29 30 32 Owner s Guide 34 36 0 36 0B 37 40 0 7 40 0 0 0 06 8 41 0 6 0 0B 06 0 0B 41 F 42 0 42 6 44 47 51 54 55 C...

Page 3: ...B Installation Manual CONGRATULATIONS 0B 0 06 0 7 0B 0 F 06 7 6 B 7 0 7 C 0 6 C 0 7 1 0 0 7 0 0 0 7 6 C 0 7 6 0 06 0 C 7 0 0 0 0B All manuals and user guides at all guides com...

Page 4: ...anifold Pressure I 4 5 A 4 A5 3 4 5 4 5 H 4 5 4 H 5 3 4 3H5 Weight C 4 B5 4 H5 H 4 H5 Dimensions 0 3 A A 3 3 3 Ignition B0 0 Electric 7 G G 0 0 0 G 3 G 3 3 A G A A G A 06C7 G 3 G A 3 3 G A 3 G H 0 G G...

Page 5: ...0 6 06 4 1L 5 06 4 1 5 06 3 06 4 5 6 0 7 C 0 6 06 46 8 0 46 C 8 0 5 08 C 5 6 4 1L 5 6 4 1 5 06 3 6 4 5 6 0 7 C 0 6 6 0 C 06 0 J 6 B 0 6 B0 0 0 7 06 6 0 7 0 M 7 6 0 0 6 0 0 0 6 0 0 06 06 B0 B0 0 B0 0...

Page 6: ...5 07 C 6 0 06 0 B 0 0 6 0 0 07 0 WARNING 8 3 N 43 N 5 0 8 C 0 0 0 7 6 6 0B N 4 H N 5 7 0 07 6 0B F C 0B 0B 7 0 B 0 C 8 9 6 0 8 0 7 0 0 8 06G B 00 0 6 B B 8 8 06 0 8 0E 7 6 6 B 0 0 0 0B 7 0 0 07 C 0 0...

Page 7: ...7 0 0B 8 0 0 0B C 6 0B 4 5 8 06 0 0 0 7 B 8 0 C 6 06 6 0 0 0B 0 C 0 0B B 6 B B 7 0 06 0 6 6 C B 0 0 0 06 6 7 08 0 0 9 06 4 1L 5 06 4 1 5 06 3 06 4 5 6 0 7 C 08 6 6 8 0 4 6 C 05 0 C7 0 0B 6 8 0 08 0 H...

Page 8: ...an attic due to safety issues 7 0 0 0 0 8 0 B C 0 06 8 0 0 1 06 0 0 6 0 0 6 0 0 0 6 C 8 06 0 00 C 6 8 0 08 0 H 3 4 1 5 0 7 8 06 0 0 0 6 0 0 0 0 B 0 6 B 9 6 C 0 6 06 0 WARNING The warranty will not cov...

Page 9: ...0 06 0 0 8 0 JJ 0 06 6 0 0 0 Model 110U Indoor T KJr2U IN 110U Outdoor T KJr2U OS 310U Indoor T K4U IN 310U Outdoor T K4U OS 510U Indoor T D2U IN 510U Outdoor T D2U OS I F 8 0 06 6 8 0 08 0 8 C 3 6 8...

Page 10: ...0 0 0 6 C 6 06 06 C 0B C 0 C 0 6 5 Sidewall vent terminator Hood and Wall thimble kit 9008004005 and 9008005005 7 6 0 8 0 0B B 0 0 0 8 0 B 0 06 6 B 7 06 6 0 0 0B 0B 8 C 4 8 0 C 6 5 0 8 0 0 0 0 6 0 0...

Page 11: ...B 0 7 0 0 B 06 0 0 0 06 0 8 0B 0 4H 5 8 06 0 8 0B C 0 6 4 6 6 0 75 0 0 8 0 0 0 4 3 5 0 07 0 C 6 0B 0 0B 06 0 4H 5 0 0 6 07 0 C 6 0B 0 0B 4 6 6 0 7 5 0 0 0 6 7 07 C 0 6 C 0 C 6 0 6 C 0 C 0 7 6 8 0 6 Pr...

Page 12: ...N 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 Altitude DIPswitc...

Page 13: ...0 8 6 0B 0 8 6 8 0 0B 7 0B 0 8 0 0B 0 0 0 8 0 0 0 0B 0 C 0 6 0 0 8 0 00 07 8 0 0 8 0 General rules for vent terminations 8 6 0B 8 0 0 0 0 any air intake devices 0 0 6 06 0 C 6 0B 0 6 8 0 0 0 00 C C 6...

Page 14: ...4 3 5 C 6 0 8 0 0B 7 5 0 0 3 C DIPswitch settings for Vent length For Indoor and direct vent models Vent type Diameter Max No of Elbows Max Vertical and Horizontal Total Vent Length 0 0 4 5 5 3 4 3 5...

Page 15: ...version kit with water heater 0 8 0 08 0 4 6 5 JF 8 0 4 06 6 0B 06 0 N 4 N 5 06 C 5 JJ 06 0 0 6 0 C 0 6 0 6 0 6 8 0 08 0 6 8 0 0 0 06 0 0 6 0JJ F 8 0 J F 8 0 J 0 06 0 0 6 0JJ 0B 6 8 0 0 _ 0 _ 06 0 _ 0...

Page 16: ...0 6 0 6 0 0 0 6 0 0 6 0 0 06 6 C 8 G B C 7 0 8 B 8 0 L 0 0 0 0 7 0 C 6 0B C 0 0 07 0 C 6 0 0B C 8 0 0B 1 0 0 7 0 0 C 8 8 6 6 8 6 6 8 7 6 0 C 7 0 06 8 06 6 C 07 J 0 0 6 0 G 3 G F H 0 0 6 0 0 0 6 06 9...

Page 17: ...0 0 0 0 06 6 0 0 06 0 0 4H 3 5 7 0 0 0 0 0 0 4 06 6 6 8 0 0 0 5 06 0 0 0 0 6 0 6 0 0 0 C 6 0 6 0 6 0 C 0 6 0 0 0 C 0 6 0 4 5 7 06G 6 8 0 6 0 0 6 C 4 5 7 0 G 0 0 0 6 7 0 0 0 0 0B 0 C 6 0B 06 0 0 6 0 B...

Page 18: ...7 B B 0 07 6 C 06G C 00 0B B 0 B 7 7 0 7 8 B 9 6 0B G 3 0 G F H 0 0 6 6 C 06 C 6 NOTICE Gas type Inlet gas pressure 0 3 P 4 5 R 3P 4 5 Check that the type of gas matches the rating plate first Ensure...

Page 19: ...4 H 3 3 3AA 3 H 3 A 3A A 1 1 2 3 HH AA HA A 3 3 A 2 3 A 3 H H 3 3 3 H A Unit Cubic feet per hour F 6 0 0 B7 0 0 F G C 8 6 0 D F 9 0 C7 F G B 0 C 9 0 0 0 6 0 0 B 0 C 8 B 7 0 0 B 0 7 0B B 0 0 0 4 0 0 F5...

Page 20: ...0 C 0 6 0 8 C 6 0 0 B 8 8 6 0 6 0 0 0 07 C 0 C 6 06 6 7 0 6 0 0 07 6 B 6 0 8 06 6 0 00 0 0 7 8 CAUTION 0 B 8 8 0 B 7 0 8 6 0 B 0 0 0 6 B 0 B 00 0 0 0 B 8 8 0 B 0 B 0 0 3 0 B 0 0 06 0 C 0 0 6 6 3 P 3P...

Page 21: ...e with a power plug instead of a junction box The following procedure is for outdoor models only 1 C 7 B 06 6 0 B 06 B 0B 2 9 120 VAC 60 Hz electrical power supply that is properly grounded 6 00 4 0G...

Page 22: ...Fig B This remote controller is NOT waterproof 0 0 0 B 08 0 0 7 06 0 4 C 5 6 0 6 0 B 0 6 0 0 6 0 0 0 0 0 0B 6 0 06 0 0B 0 4 5 CAUTION Fig B F G 0 0 0 C 67 Fig A 0 C 67 06 6 6 8 B 0 C 0 6 6 0 Temperat...

Page 23: ...ler cable 00 0B C 0 How to connect the remote controller to the water heater 0 0 Fig C 1 0 0 C 0 0 C Fig C 2 1 e 00 7 2 e M 0 8 3 e 0 0 6 B 4 6 06 B 06 6 C 65 4 e 0 8 0 06 0 0 00 C C 6 0 0 7 6 110U T...

Page 24: ...o NOT jump or short circuit the wires or computer will be damaged 7 e 0 8 7 8 e 6 0 00 0 C 0 B B 4 75 4 5 0B 510U T D2U models 9008172005 TM RE40 Front of remote Connect other end to these terminals A...

Page 25: ...he table above can be combined together as an Easy Link System These models cannot be combined together with other models not listed on the table above CAUTION General Easy Link connection with allowa...

Page 26: ...tween the Easy Link System units NOTE 6 9 06 6 0 6 C Type of unit Unit of easy link Parent 1 Child 2 3 or 4 PARENT Communica_on cable Connectors Lower bank of DIPswitches OFF ON 1 1 1 1 2 2 2 2 PARENT...

Page 27: ...es OFF ON 1 2 3 4 5 6 Lower bank of DIPswitches PARENT 1 2 PARENT 1 2 0 0 0B 00 _ 0 Communica_on cable Connectors Connectors Lower bank of DIPswitches 1 2 3 4 5 6 OFF ON OFF ON 1 2 3 4 5 6 Lower bank...

Page 28: ...oard 0 0 C 06 06 06 M C 8 00 0 0 0 C 0 6 7 00 WARNING 0 0 0 0B 00 _ 0 Communica_on cable Connectors Connectors Connectors Lower bank of DIPswitches 1 2 3 4 5 6 OFF ON OFF ON 1 2 3 4 5 6 Lower bank of...

Page 29: ...0 7 0 f 4 5 0 7 0 0 7 00 O 1 P 00 06 O 2 P 00 0 0 C 4 5 A B B C C 0B 0 C 3 4 5 0B 6 6 0 0 0 0 0 0 0 B 6 0 0 OFF ON 1 1 1 2 2 2 PARENT PARENT PARENT 1 2 3 4 5 6 Connectors Connectors Connectors OFF ON...

Page 30: ...are labeled next to each application diagram These flow rate requirements must be followed 6 0 C 0 B 7 06 B 7 B 0 C 0 6 6 0 7 7 0 0 0 C 7 0 C 6 7 C 06 0B 06 0 C 00 6 07 0B 7 0 0 4 5 8 7 6 0 0 C 07 66...

Page 31: ...0 0 06 B 8 8 8 8 0 7 0 6 _ _8 8 7 06 6 8 6 4 6 06 5 6 7 I B 8 0 4 B 7 06 6 5 0 0 C 0 8 0 6 0 0 8 6 06 8 _ 0 8 6 F7 6 06 F _0B 6 6 8 8 8 GAI 6 0B 0 _ 0 8 C 8 8 B B 7 0 0 0 _ 0 8 8 8 8 8 8 6 0 0 0 B _...

Page 32: ...7 06 Check the GAS and WATER CONNECTIONS C 0B 0 0 0 B 7 8 8 0 0B 0 7 7 06 8 6 07 8 0 C 0 0 C7 06 6 0 7 d 9 6 8 0 0 6 7 0 0 6 B F 0 0B B 6 C 0 C B 8 0 06 7 6 Check the GAS PRESSURE 0 7 B C 0 0 7 9 6 0...

Page 33: ...B Owner s Guide CONGRATULATIONS 0B 0 06 0 7 0B 0 F 06 7 6 B 7 0 7 C 0 6 C 0 7 1 0 0 7 0 0 0 7 6 C 0 7 6 0 06 0 C 7 0 0 0 0B Owner s Guide All manuals and user guides at all guides com...

Page 34: ...C 8 0 C 0 0 C7 06 6 0D 7 9 6 8 0 0 6 6 7 0 0 0 07 C 0 06 6 7 9 6 8 0 0 0 06 07 6 B 6 OPERATING INSTRUCTIONS STOP 6 7 0 0 C 8 0 0 D 0 0 0 B C 0 C7 06 0 0 B 8 8 6 0 6 0 0 3 8 435 0 07 B 7 0 B IFI 0 7 0...

Page 35: ...6 0 6 8 6 7 0 0 C 0 C B 0 C 0 4B 5 0 0 6 00 C 0 8 0 0B 7 0 0 C 6 0 C 0 C7 0 1 C 6 7 0 8 6 0 0 B 7 6 6 0D 8 3 N 43 N 5 0 8 C 0 0 0 7 6 6 0B 6 0 6 C 6 06 6 7 B C 0B 6 6 C C 0B 0B 0B 8 8 8 C 0 WARNING D...

Page 36: ...Button STAND BY LED Orange INUSELED Green 06 B 6 0B C 0 C 0 6 0 6 6 0 9 0 0B 0 C 8 3 N 43 N 5 0 8 C 0 6 6 0B 6 0 6 C 6 06 6 7 B C 0B 0E 6 CAUTION 0 0 0 B7 8 0B 6 8 0 0B C B 0 0 C B 0 C 0 0 C B 0 0B B...

Page 37: ...cause damage to the heater and void the warranty This temperature setting is only available on the 510U T D2U models WARNING 0 0 6 06 0 6 B0 6 0 7 7 06 0 0B NOTICE Operation Screen 1 0 0 7 0 4 0 0 5...

Page 38: ...n Screen 1 ON OFF C 0 0 0 6 0 0 0 2 0 F 3 8 C 6 7 6 0 0 4 INFO C 0 06 5 6 0 C 6 7 6 0 0 0 0 4 b N 5 Unit conversion mode Operation Screen 1 0 C 6 7 6 0 0 C7 0B INFO C 0 2 C 6 7 6 0 0 C7 0B INFO C 0 3...

Page 39: ...0 7 N 4 H N 5 Computer board N 4 H N 5 N 4 N 5 H H 110U T KJr2U and 310U T K4U models OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 Lower bank of DIPswitches Computer board C 0 Lower bank of...

Page 40: ...00 7 7 0 0B 06 C 0B 6 B 6 Appliance Use Flow rate GPM US L min 8 7 A F C R 3 A 3 1 0 0 3 3 3 3 0B 0 3 Household Flow Rates 0 B 6 4 3 G 05 4 1L 5 6 A 4 G 05 4 1 5 6 06 4 A G 05 3 4 5 6 0B 0B 7 6 0 0 8...

Page 41: ...0 6 0 7 0 7 C7 0 6 0 0 0 6 6 07 6 C 6 0 C7 0 6 0 0 UNIT DRAINING and FILTER CLEANING 0 7 06 0 B 8 8 06 0 0 8 8 C 8 0B WARNING 1 0 B 8 8 2 0 0 06 06 0 0 B 0 3 06 06 0 0 0 7 B 0 4 8 8 5 0 0 0 6 6 6 8 C...

Page 42: ...06 0 B 7 8 8 7 0 4 5 B 0 6 7 4 H5 B 7 0 B 4 5 4 5 B 4 5 0 8 C 0 0 6 0 7 7 0B 0 C 0 0 6 0 B 7 8 8 7 0 4 5 7 8 8 7 0 4 5 0 6 0 0 4 5 0 7 0 6 3 4 H G 05 B 4 5 0 0 4 5 0 6 06 7 6 0 B 00 0B 4 5 0 7 0 6 6...

Page 43: ...0 0 A A Remote controller 0 6 0 6 7 07 0B 0 C 0 0 6 0 0 6 00 0 0 4 5 H A 3 4 5 F B 0 C 0 0 6 0 0 0 6 8 0 6 7 0 0 8 0 B7 0 6 6 7 6 EASY LINK SYSTEM 510U T D2U models only 0 0 C B0 6 0 7 0 7 0 0 7 C 6...

Page 44: ...7 6 C 06 0 0 7 6 F 6 6 7 6 0 0 7 0 7 Example If Unit 2 has the 321 error code inlet thermistor failure Remote controller 9008172005 TM RE40 O P 06 I I 0 0 7 0 6 7 06 0 f Owner s Guide 0 110U T KJr2U a...

Page 45: ...6G 6 0 C 0 4 f 5 06 0 4 f 5 7 C 0 0 6 0 0 0 6 111 B0 0 4 f 5 7 0 0 0B 00 0GC B 4 f A H 5 C 0 0 C 6 4 f 5 06G 0 6 4 f A5 C 0B B0 0 06 0B C 0 4 f 5 0 C 0 0 6 C O 0 P 06 0B B 8 8 C 7 4 f 5 0 B 0 C 0 0B 0...

Page 46: ...0 8 8 4 7 0 7 0 75 0 6E 0 8 8 4 f 5 00 0GC B 6 6 8 6 C 6 06G B 661 F7 8 8 43 4 55 6 0 75 0 C7 8 8 4 f 5 00 0G C B 6 6 8 6 C 6 06G B 701 0 C 6 00 0GC B 4 f 5 711 0 0 6 8 8 6 8 06 6 721 6 0 06 6 06 0 6...

Page 47: ...oor models Outdoor models Case assembly Temperature remote controller 721 001 004 052 003 052 007 002 051 050 052 005 704 002 001 702 704 006 717 Components Diagram Owner s Guide All manuals and user...

Page 48: ...r2U and 310U T K4U models 701 705 103 402 402 715 707 715 403 714 709 708 711 705 103 709 402 402 711 707 714 407 408 708 716 716 701 061 Computer board assembly Surge box assembly Components Diagram...

Page 49: ...153 154 053 152 713 056 107 106 108 060 109 111 711 112 052 101 401 116 116 115 110 053 053 062 060 122 053 060 060 104 105 123 708 711 711 117 719 052 055 053 054 102 709 714 063 707 103 062 720 117...

Page 50: ...4 402 460 456 461 458 404 415 407 454 405 457 406 410 455 408 456 454 460 409 C 452 411 414 451 414 412 058 401 B A B A D 052 059 D C 510U T D2U models 510U T D2U models Water outlet section Water inl...

Page 51: ...1 1L H 1L 11 113 3 3 3 3 4 G 5 4 G 5 4 65 H 3 H 3 H H 3 33 3 3 6 4 G 5 6 A B H H H H 3 A 11 3A 3H A H A H A H A H H H H A H 11 1 33 F 0 06 0B C C 7 0 6 B 8 8 C 7 H H 1 1 A 0 06 6 0 6 6 H H 1 H 11 3 3...

Page 52: ...6 0 0 6 0 B 0 H H H H H H H HA 1 H 1 3A 11 11 F 11 0 4 1L 5 06 4 1 5 6 0 3 4 5 6 H H 3 11 L 1 A 4 1L 5 06 4 1 5 6 3 4 5 6 H A H H 1133 11 H 6 0 B 0B 3 4 5 6 H H HH H H 1 11 11 4 1L 5 06 4 1 5 6 3 4 5...

Page 53: ...B C 06 6 6 6 H A H H A 1 A 1 A 1 11 3 H H 1 3 11 A 0 4 1L 5 06 4 1 5 6 3 4 5 6 8 8 H H H 3 1 A 1 1 H 6 4 1L 5 06 4 1 5 6 6 3 4 5 6 B0 C 7 H H H H 1 3 1 1 3 3 0 0 B 8 8 C 3 4 5 6 C 6 8 H A3 H A H A H...

Page 54: ...D2U models Output Temperature vs GPM Max 8 0 GPM with Various Inlet Water Temperature Output Hot Water GPM Output Temperature vs GPM Max 6 6 GPM with Various Inlet Water Temperature Output Hot Water...

Page 55: ...T LIABILITY INCLUDING NEGLIGENCE STRICT LIABILITY INDEMNITY OR OTHERWISE WILL BE LIABLE FOR ANY SPECIAL INCIDENTAL OR INDIRECT CONSEQUENTIAL DAMAGES INCLUDING PROPERTY DAMAGE PERSONAL DAMAGES LOSS OF...

Page 56: ...6 0 0 4 0 06G 5 B 6 0 0 0 B 0B 0 B 0B 0 B 7 06G B 6 6 M 6 0B 0 0B 6 6 M 6 0B 0 6 6 M 6 0B 4 8 5 06G 6 8 0 6 0 7 4 0 0 0 6 5 7 8 B 6 6 M 6 0B B 6 9 7 0 6 0 9 6 0 C C G B 7 0 6 0 6 0 07 7 6 0 6 0 6 0 6...

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