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- Water Heater
- 510U Outdoor (T-D2U-OS)
- Installation Manual And Owner's Manual
Takagi 510U Outdoor (T-D2U-OS) Installation Manual And Owner's Manual - Parts List
51
Page
Components Diagram
Owner's Guide
PARTS LIST
Item #
Description
Part #
110U, 310U and
510U models
T-KJr2U, T-K4U
and T-D2U models
001
CaseassemblyforIndoormodels
forOutdoormodels
319143-428
319143-429
EK103
EK111
002
Frontcoverfor110Uand310UIndoor(T-KJr2U-INandT-K4U-IN)
for110Uand310UOutdoor(T-KJr2U-OSandT-K4U-OS)
for510UIndoor(T-D2U-IN)
for510UOutdoor(T-D2U-OS)
319143-430
319143-431
319143-432
319143-433
EK110
EK123
EKD59
EKD63
003
004
005
006
007
AirblockageplateforIndoormodels
Bracket
Junctionbox
Powersuuplycodeassembly
Backguardpanel
319143-150
319143-184
319143-014
319143-437
319143-221
EK401
EKJ09
EKJ64
EKK4D
EKK5H
050
051
052
053
ScrewM4×12(W/Washer)
ScrewM4×10(W/Washer)
ScrewM4×10(Coated)
ScrewM4x10
319143-025
319143-325
319143-026
319143-060
EW000
EW001
EW002
EW003
054
055
056
057
HexheadscrewM4×12(W/Washer)
HexheadscrewM4x8
ScrewM3x10
TaptightscrewM4x12FEZN
319143-326
319143-063
319143-327
319143-201
EW004
EW005
EW008
EKK31
058
059
060
061
062
063
ScrewM4x10
ScrewM4x6
ScrewM4x12
ScrewM3x6
ScrewM4x8
Wireclamp60
319143-087
319143-328
319143-438
319143-439
319143-440
319143-048
EW00A
EW009
EKK37
EW016
EK155
EM167
101
102
Burnerandmixingchamberassembly
ManifoldwithgasvalveassemblyNA
319143-441
319143-442
EK120
EK118
103
FanmotorforIndoormodels
FanmotorforOutdoormodels
319143-443
319143-043
EK109
EKK25
104
105
106
107
Burnerfixingplateassembly
Burnerandmixingchambersubassembly
Burnerwindow
Rodholdergasket
319143-444
319143-445
319143-033
319143-446
EK144
EK147
EKK2V
EK107
108
109
110
111
FlamerodwithAFRfunction
Igniterrod
Rodholder
Rodcap
319143-447
319143-448
319143-449
319143-450
EK125
EK124
EK126
EK136
112
113
114
115
Burnerdamper
ManifoldgasketA
ManifoldgasketB
Fixingplate
319143-451
319143-452
319143-045
319143-453
EK116
EK108
EKK2K
EK140
116
117
118
119
Pressureport
Combustionchambertube
Gasinlet
Gasinletring
319143-042
319143-454
319143-455
319143-342
EKK2D
EM482
EK117
EX00D
Summary of 510U Outdoor (T-D2U-OS)
Page 1
Gas tankless water heater tm suitable for potable water heating and space-heating* * please refer to local codes for space-heating compliance. Featuring • endlesshotwater • on-demandusage • compact,spacesaving • energyconservation • computerizedsafety • nopilotlight • satisfiesthe2012scaqmdrule 1146...
Page 2: Contents
2 page contents installation manual specifications.......................................................................................................................... 4 introduction....................................................................................................................
Page 3: Installation Manual
3 page contents installation manual installation manual congratulations congratulationsandthankyouforchoosingourtanklesswaterheater. Beforeuse,werecommendthatyoureadthroughthissafetymanual carefully.Pleaserefertothebackofthemanualfordetailsaboutthe warranty.Keepthismanualforfuturereference. If you l...
Page 4: Specifications
4 page 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) natural gas input (operatingrange) btu/h min.:15,000 max.:140,000 min.:15,000 max.:190,000 min.:15,000 max.:199,000 gas connection 3/4"npt wat...
Page 5: Introduction
5 page introduction • thismanualprovidesinformationnecessaryfortheinstallation,operation,andmaintenance ofthewaterheater. • themodeldescriptionislistedontheratingplatewhichisattachedtothefrontpanelofthe waterheater. • pleasereadallinstallationinstructionscompletelybeforeinstallingthisproduct. • ifyo...
Page 6: Safety Guidelines
6 page safety guidelines safety definition general 1. Followalllocalcodes,orintheabsenceoflocalcodes,followthemostrecenteditionofthenational fuelgascode:ansiz223.1/nfpa54intheusaorcan/csab149.1naturalgasinstallationcode incanada. 2. Properlygroundtheunitinaccordancewithalllocalcodesorintheabsenceofl...
Page 7: Installation
7 page installation general 1. Followalllocalcodes,orintheabsenceoflocalcodes,followthemostrecenteditionofthenational fuelgascode:ansiz223.1/nfpa54intheusaorcan/csab149.1naturalgasinstallationcodein canada. 2. Allgaswaterheatersrequirecarefulandcorrectinstallationtoensuresafeandefficientoperation.Th...
Page 8
8 page included accessories optional items • 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 heat...
Page 9: ✓
9 page top black bottom side side front model top bottom front back sides 110uindoor(t-kjr2u-in)* 310uindoor(t-k4u-in)* 510uindoor(t-d2u-in)* 12in. (305mm) 12in. (305mm) 4in.** (102mm) 0.5in. (13mm) 2in. (51mm) 110uoutdoor(t-kjr2u-os) 310uoutdoor(t-k4u-os) 510uoutdoor(t-d2u-os) 36in. (914mm) 12in. (...
Page 10
10 page installation installation manual 1. Backflow preventer: 9007678005 (tk-bf01) thebackflowpreventerpreventsthebackflowof air through the exhaust vent. This helps prevent harmfulexhaustgasesfromenteringthehome,as wellashelpingtopreventtheunitfromfreezingin areaswherecoldaircanbeblownordrawninto...
Page 11
11 page warning for installations for your safety, read before installation: do not install the heater where water, debris or flammablevaporsmaygetintotheflueterminal. Thismaycausedamagetotheheaterandvoidthe warranty. Donothavetheventterminalpointingtoward anyopeningintoabuilding.Donotlocateyour hea...
Page 12
12 page high-altitude installations check the elevation where your water heater is installed. Set dipswitches shown in the table below dependingonthealtitude. Dipswitches 110u (t-kjr2u) and 310u (t-k4u) models computer board warning do not adjust any dipswitches on the upper bank for the 510u (t-d2u...
Page 13: -General-
13 page venting instructions for indoor models -general- thewaterheatermustbeventedinaccordancewiththesection“ventingofequipment"ofthelatest editionofthenationalfuelgascode:ansiz223.1/nfpa54intheunitedstatesand/orsection7ofthe can/csab149.1naturalgasinstallationcodeincanada,aswellasapplicablelocalbu...
Page 14
14 page -vent length and no. Of elbow- thisisacategoryiiiapplianceandmustbeventedaccordingly.Theventsystemmustbesealedairtight. Allseamsandjointswithout gaskets mustbesealedwithhighheatresistantsiliconesealantorullisted aluminumadhesivetapehavingaminimumtemperatureratingof350°f(177°c).Forbestresults...
Page 15: -Venting Illustrations-
15 page -venting illustrations- for the 110u indoor (t-kjr2u-in), 310u indoor (t-k4u-in) and 510u indoor (t-d2u-in) models fordetailsoftheoptionalitems,refertotheinstallationmanualforeachoptionalitem. Horizontal installation diagram with direct-vent concentric termination wall direct-vent concentric...
Page 16
16 page -vent termination clearances- canada u.S.A directventandother thandirectvent direct vent otherthan directvent a clearanceabovegrade,veranda,porch,deck,or balcony. 1foot 1foot 1foot b clearancetowindowordoorthatmaybeopened 3feet 1foot 4feetfrombelowor sideopening.1foot fromaboveopening. C cle...
Page 17: -For Sidewall Terminations-
17 page -for sidewall terminations- for multiple sidewall exhaust terminations (e.G. Multi- unitsystems),anexhaustterminationmustbeatleast1 ft. (305mm) away from another exhaust termination. An exhaustterminationmustalsobeatleast2ft.(610mm) awayfromaninsidecorner(iftheadjacentwallislessthan 2ft.(610...
Page 18: -General-
18 page gas supply and gas pipe sizing -general- • theminimumandmaximuminletgaspressuresare: • gas pressure above this specified range for the water heater and/or insufficient gas volume will adverselyaffectperformance.Thesepressuresaremeasuredwhenthewaterheaterisinfulloperation. • inletgaspressurem...
Page 19: -Natural Gas Supply Piping-
19 page -natural gas supply piping- maximumdeliverycapacityofcubicfeetofgasperhourofipspipecarryingnaturalgaswith0.60specificgravity basedonpressuredropof0.5"w.C. Based on energy content of 1,000 btu/cubic ft.: the water heater requires 140 cubic ft./hr for the 110u (t-kjr2u) models, 190 cubic ft./h...
Page 20
20 page -measuring inlet gas pressure- thewaterheatercannotperformproperlywithoutsufficientinletgaspressure.Belowareinstructionson howtochecktheinletgaspressure.This is only to be done by a licensed professional. Water connections allpipes,pipefittings,valvesandothercomponents,includingsolderingmate...
Page 21
21 page -pressure relief valve- thewaterheaterhasahigh-temperatureshutoffswitchbuiltinasastandardsafetyfeature(calleda hi-limitswitch)thereforea“pressure only”reliefvalveisrequired. • thisunitdoesnotcomewithanapprovedpressurereliefvalve. • anapprovedpressurereliefvalvemustbeinstalledonthehotwaterout...
Page 22: -Included Accessories-
22 page temperature remote controller -included accessories- 1. Takeoffthe“back plate”fromtheremotecontrollerwithaflatheadscrewdriver.(fig. A and b) 2. Attachthe“back plate”onthewallwiththetwoprovidedscrews.(fig. B) installation installation manual • this remote controller is not waterproof donotins...
Page 23
23 page 3. Tightenthetwo"fork terminals"beneaththetwo"remote controller terminal"screwson thebackofthemainbody.(fig. C-1) 4.Cutouttheinletfortheremotecontrollercablefromthebottomofthemainbody.(fig. C-2) 5. Placethe“main body”backonthe"back plate",withthe"remote controller cable"running outofthebotto...
Page 24: 510U (T-D2U) Models
24 page 5. Pulltheremote’swiresthroughtheholeatthebottomofthewaterheater’scasing. 6. Properlyattachtheremote’swirestotheremotecontrollerterminalonthecomputerboard. (nopolarity) * do not jump or short-circuit the wires or computer will be damaged. 7. Replacefrontcoversecurely. 8. Wiresusedfortheremot...
Page 25
25 page easy-link system (available on the 510u (t-d2u) models only) the510u(t-d2u)modelswaterheaterscanbeconnectedwithotherallowableheaters(seethe tablebelow)withcommunicationcablestoworkasamultiple-unitmanifoldsystem. • theeasy-linksystemallowsupto4unitstomanifoldtogether. • acommunicationcable(gr...
Page 26
26 page 2. Selectoneunittobethe“parent” unit. 3. “parent”unit locatethetwobanksofdipswitchesatthebottomleftofthecomputerboardoftheunitthatyou selecttobethe“parent”unit.Changedipswitchno.1ontheupper bank of dipswitches to the on position.Seethecomputerboarddiagramasshowninthenextpage.Donotchangeanydi...
Page 27
27 page (c) examples of incorrect settings and /or connections case 1: wrong dipswitch setting on the "parent" unit case 2: wrong connections between the "parent" unit and the "child-1" unit • if you connect the “1" (or "2") connector of the “parent” unit to the “parent" (or "1") connectorofthe“chil...
Page 28
28 page case 3: wrong connections between the "child-1" unit and the "chld-2" unit • if you connect the “parent” connector of the “child-1” unit to the “1” connector of the “child-2”unit,the “child-2”unitwilloperateasanindividualunit,andwillnotbepartofthe easy-linksystem. Case 4: remote controller c...
Page 29
29 page multi-unit system multiple510u(t-d2u)modelscanbecombinedforamulti-unitsystem,alongwiththemulti unitcontroller(parts9007675005(tm-mc02))andremotecontroller(9008172005(tm-re40)). Each set of multi-unit controller and remote controller can control from 2 units to 20 units forcommercialorresiden...
Page 30: Applications
30 page applications -space-heating applications- -recirculation- *the recirculation pump is to be controlled by: -dual-set aquastat (recommended w/timer) *the recirculation pump is to provide no less than 2 gpm (7.5 l/min) and no more than 4 gpm (15 l/min) through each activated unit in the system....
Page 31
31 page -dual-purpose hot water heating- (domestic and space heating): diagrammaticlayoutofradiantheatinganddomesticwaterheaterpermass.Code. The recirculation pump is to provide no less than 2 gpm (7.5 l/min) and no more than 4 gpm (15 l/min) through each activated unit in the system. • priority con...
Page 32: Initial Operation
32 page initial operation installation installation manual if you smell gas: • donottrytostartthewaterheater. • donottouchanyelectricswitches;donotuseanyphoneinyourbuilding. • immediatelycallyourgassupplierfromaneighbor’sphone.Followthegas supplier’sinstructions. • ifyoucannotreachyourgassupplier,ca...
Page 33: Owner'S Guide
33 page owner's guide congratulations congratulationsandthankyouforchoosingourtanklesswaterheater. Beforeuse,werecommendthatyoureadthroughthissafetymanual carefully.Pleaserefertothebackofthemanualfordetailsaboutthe warranty.Keepthismanualforfuturereference. If you lose the manual, contact the manufa...
Page 34: Operating Safety
34 page operating safety for your safety read before operating a. Thiswaterheaterdoesnothaveapilot.Itisequippedwithanignitiondevicethatautomatically lightstheburner.Donottrytolighttheburnerbyhand. B. Beforeoperatingsmellallaroundthewaterheaterareaforevidenceofleakinggas.Besureto smellnexttothefloorb...
Page 35: Danger
35 page danger vapors from flammable liquids will explode and catch fire causing death or severe burns. Donotuseorstoreflammableproductssuchasgasoline,solventsoradhesivesinthesameroom orareanearthewaterheater. Warning theoutlethotwatertemperatureofthewaterheaterisfactorysetat120°f(49°c). Usethisheat...
Page 36: Normal Operation
36 page normal operation owner's guide normal operation general remote controller theillustrationbelowshowsanexampleofthedisplay.Theexactdisplaymaydifferfromexamples. "hot" button "cold" button "on/off" button pressthe"hot"buttonorthe "cold"buttontosetthehot watertemperature. Whenthestandbyledison,t...
Page 37
37 page temperature settings -set temperature- temperature table of remote controller normal operation owner's guide °f 100 105 110 115 120* 125 130 135 140 °c 38 40 43 45 50* 52 55 57 60 a) for 110u (t-kjr2u) and 310u (t-k4u) models °f 100 105 110 115 120* 125 130 135 140 145 150 155 160 165 175 18...
Page 38
38 page additional features -information mode- youcangetsomeinformationaboutthewaterheaterconditionbypressingthe"info"button.Formore informationfollowtheproceduresbelow: -unit conversion mode- theremotecontrollerhasafunctionthatcanchangeunitsoftemperatureandflowratefrom"°f" to "°c" andviceversa,plea...
Page 39
39 page temperature settings on the pcb (without remote controller) thereare2presettemperatures(120°f(49°c)and140°f(60°c))thatyoucanselectfrombychanging thedipswitchsettingsonthecomputerboardwithouttheremotecontroller.Seethetablebelow. Whentheremotecontrollerisnormaloperation,thesettemperatureofther...
Page 40
40 page flow • thisunitcomesequippedwithheatingblockstoprotectitagainstdamagesassociatedwithfreezing. • forthisfreezeprotectionsystemtooperatetherehastobeelectricalpowertotheunit.Damagetothe heatexchangercausedbyfreezingtemperaturesduetopowerlossisnotcoveredunderthewarranty. Incaseswherepowerlossesc...
Page 41
41 page maintenence and service • cleanthecold-waterinletfilter.(refertodiagrambelow.) • besurethatallopeningsforcombustionandventilationairarenotblocked. • theventingsystemshouldbecheckedannuallyforanyleaks,corrosion,blockagesordamage. • theburnershouldbecheckedannuallyfordust,lint,greaseordirt. • ...
Page 42: Troubleshooting
42 page troubleshooting general problem solutions tempera ture and amount of ho t w ater ittakeslongtimeto gethotwateratthe fixtures. • the time it takes to deliver hot water from the water heater to your fixturesdependsonthelengthofpipingbetweenthetwo.Thelongerthe distanceorthebiggerthepipes,thelon...
Page 43
43 page problem solutions w ater he ater unitdoesnotignite whenwatergoes throughtheunit. • istheflowrateover0.5gpm(1.9l/min)?(p.37) • checkforthefilteroncoldwaterinlet.(p.41) • checkforreverseconnectionandcrossconnection. • ifyouusetheremotecontroller,isthepowerbuttonturnedon? • checkiftheinlettempe...
Page 44
44 page error codes -general- • theunitsareselfdiagnosticforsafetyandconveniencewhentroubleshooting. • if there is a problem with the installation or the unit, the error code will display on the remote controller. • consultwiththetableonthefollowingpageforthecauseofeacherrorcode. -single unit instal...
Page 45
45 page -fault analysis of error codes- iftheerrorcodeisdisplayedonthecomputerboardofthewaterheaterorremotecontroller,please checkthefollowing.Afterchecking,consult with the manufacturer. Troubleshooting owner's guide remote green led malfunction description diagnosis 031 onetime incorrectdipswitch ...
Page 46
46 page troubleshooting owner's guide remote green led malfunction description diagnosis 391 twotimes air-fuelratiorod failure • checkforconnection/breakageofwires(part#709) and/orsootontheafrrod.(part#108) 441 twotimes flowsensorfailure (easy-linksystem only) • check for connection/breakage of wire...
Page 47: Components Diagram
47 page troubleshooting owner's guide components diagram indoor 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.
Page 48: Computer Board Assembly
48 page troubleshooting owner's guide 510u (t-d2u) models 703 121 705 053 706 704 705 110u (t-kjr2u) and 310u (t-k4u) models 701 705 103 402 402 715 707 715 403 714 709 708 710 705 103 709 402 402 710 707 714 407 408 708 716 716 701 061 computer board assembly surge box assembly.
Page 49: Burner Assembly
49 page components diagram owner's guide 113 114 150 057 119 151 118 055 401 401 153 154 053 152 713 056 107 106 108 060 109 111 712 112 052 101 711 712 401 116 116 115 110 053 053 062 060 122 117 053 060 060 104 105 123 708 710 718 718 117 719 052 055 053 054 102 120 709 714 063 707 103 062 720 exh...
Page 50: Water Way Assembly
50 page components diagram owner's guide water way assembly 463 413 453 451 403 456 460 458 462 450 414 459 454 402 460 456 461 458 404 415 407 454 405 457 406 410 455 408 456 454 460 409 c 452 411 414 451 414 412 058 401 b a b a d 052 059 d c bypass section (510u (t-d2u)models) 510u (t-d2u) models ...
Page 51: Parts List
51 page components diagram owner's guide parts list item # description part # 110u, 310u and 510u models t-kjr2u, t-k4u and t-d2u models 001 caseassemblyforindoormodels foroutdoormodels 319143-428 319143-429 ek103 ek111 002 frontcoverfor110uand310uindoor(t-kjr2u-inandt-k4u-in) for110uand310uoutdoor(...
Page 52
52 page parts list owner's guide item # description part # 110u, 310u and 510u models t-kjr2u, t-k4u and t-d2u models 120 121 122 123 igniterplate surgeboxplate gasket gasket 319143-051 319143-176 319143-456 319143-457 ekk1b ek436 ek127 ek145 150 151 152 153 154 o-ringp18nbr(black) o-ringp20nbr(blac...
Page 53
53 page parts list owner's guide item # description part # 110u, 310u and 510u models t-kjr2u, t-k4u and t-d2u models 701 computerboardfor110u(t-kjr2u)models for310u(t-k4u)models for510u(t-d2u)models 319143-469 319143-470 319143-471 ekj6v ek106 ek149 702 703 704 rubbergrommetforindoormodels surgebox...
Page 54: Output Temperature Chart
54 page output temperature chart chartisbasedonproperlysizesgasline 110u (t-kjr2u) models output temperature chart owner's guide 310u (t-k4u) models *whenthesettemperatureis131°f(55 °c)orhigher,maximumflowrateislimitedto8.0gpm. 510u (t-d2u) models output temperature vs. Gpm (max. 6.6 gpm) with vario...
Page 55: Limited Warranty
55 page 1. Generaltermsoflimitedwarranty: thislimitedwarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhichvaryfromstateto state.Themanufacturerwillhonorthewarrantytotheoriginalretailbuyerattheoriginallocationonly,anditis nottransferable. This warranty covers only failed mechanical an...
Page 56
56 page (3)limitedlaborcoverage •themanufacturerwillprovideforreasonablelaborchargesassociatedwithwarrantyrepairs orreplacementswithinone(1)yearfromthedateofpurchase.Themanufacturerwillonlypay directlytotheserviceprovider. •warrantyservicemustbeperformedbyanauthorizedservicerepresentative.Alistofaut...