Instruction/ maintenance manual of the product MITW -12 / -15 Bradford-White Corp
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(To be performed ONLY by qualif ied service providers) Manu al 472 16A Sav e this m anua l for fu ture r efere nce In st ru c t io n s f o r: TTW 1 Unive rsa l Serv ic e Repl ac emen t B low er K it P/N 2 65- 47200-0 0 T h e Blo wers on the F ollowing Wa ter Heaters are Serv i ced by This K it: (F or ful l mod el numbe rs, se e pa ge 2.
Or igina l Bl ower’ s P/N Water He ater Mode l Numbers Servi ced b y T his Ki t Model Number s Refere nce Page 2 Water Heater Mode l N um b ers MITW - 10 Ser ies MIT W -1 2 / -15 Serie s M1 TW Ser i.
Par t Numb e r Qt y De s cr i p t i on Mod e l s U s e d O n : 1 265-47195- 00 1 U ni ve rs a l B lo w e r A l l 2 239-47194- 00 1 Wi r e H a r ne s s MI TW - 12/15 Se r i e s MI TW - 12 / - 15 S e r .
Tools Requ ired Page 4 ¼" N ut Drive r 5/16" Nut Driver Slotted Screwdri ver Ph ilips S crewdriv er Hammer 1/8" Drill Bit Drill Channel Lock Pliers Needle N ose Plie rs Tape (pr eferab.
Br ad ford W hi te TTW 1 Un ive rsa l Se rv ic e Rep lacem ent Blow er Kit P/N 265-4 720 0-00 Table of Con tents Pag e 5 Kit Components 3 Tools Required 4 M IT W - 10 Se r i es W at e r He at er s : 6.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -10 Ser ies Page 6 Step 1. Unp lug water heat er fr om wall ou tlet. Step 2. Det ach blower wire ha rness f rom recep tacle loca ted in t he jacket h ead. Step 3. Discon nect the vent pip e and adapter tha t are connected to the outlet of the blower.
Step 6. Create th e new mounting hole loca tions for the new universal repl aceme nt blower . Use template supplied with manual. a. ) On the tem plate, P/N 23 8-47 197-00, the ( 3) circular se ctions for the wa ter conne ctions and flue h ave alre ady been removed.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -10 Ser ies Page 8 Step 8. Instructi ons to remove power co rd from new univer sal blow er: a.) Unscrew the (3) Philips h ead scr e ws on th e blower access cove r an d rem ove the cover. K eep the cover and screws f or future u se.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -10 Ser ies Pag e 9 Sque eze bush ing to remove powe r c ord from blowe r. Push in bot h si des of the bushi ng with pl iers to re m o ve. Step 8. c.) Just b e low the crimp connector , cut the (3) white (neutr al) wire s.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -10 Ser ies Page 10 Step 10. Now t hat the univer sal bl ower is prope rly modi fied f or a -10 seri es water hea ter, the blo wer can be pr operly positioned and secured on top of the water heater.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -10 Ser ies Page 11 Step 14. If necessar y, re-rou te the vent pip e such that i t can be properl y seat ed in the top portion of the vent a dapter. Step 15. Be sur e that both clamps on the ve nt adapter are firmly t ightened , secur ing the bl ower , vent adapte r , and vent pip e togethe r.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -12 / - 15 Series Page 12 Step 1. On the w at er heater’ s g as control, turn the power switch t o the “Off” position. Step 2. Unp lug the water h eater from w all outlet . Step 3. Discon nect the vent pip e and adapter tha t are con nected to the outl et of the blo wer.
Unplug blo wer harn ess fr om jacket head rec eptacle by pinc hing t he connec tor. Unscre w ( 3) screw s th at hold blower to the ja c ket head. Warning: Failure to locate the blower correctly will resul t in im prop er wate r hea ter o perat ion. Step 4.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -12 / - 15 Series Page 14 Step 8. Instal l the f lue rest rictor, P/N 239-47 191-00, fir mly on th e flue. It ma y be necessa ry to lightly tap d o wn the flue restricto r. Be sur e to t ap it evenly and straight d own.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -12 / - 15 Series Page 15 Step 9. b .) Inside the a ccess compartment, fo ll ow the b lack wire from t he power cord until you r each the flag t ermin al attach ed to the e nd of the wire. Disconnect black w ire from t he back of the power in let conne ctor.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -12 / - 15 Series Page 16 Step 9. f. ) Verify th at all electric al conne ctions have b een modified, as pre viously indicated . Al so , verify that th e pre ssure switch tubing i s co nnected to the p ressure tap on the blow er and t o the switch itsel f.
TTW1 Univer sal Service Repl acement Blowe r MITW -12 / - 15 Series Page 17 Step 12. a .) Position th e junction box, P /N 239- 47196-00, on top of th e water heat er, in front of the blower, and on the si de near est the T&P valve.
Route wires thr ough hol e in juncti on box. Fasten c onnec t or to jun c ti o n bo x. Step 13. Locate n ew blower harne ss, P/N 239-47 194-00, provi ded with the kit. Rou te loose wire end s (yellow, b l u e, white , and green ) thr ough knock-o ut openi ng f rom Ste p 12c.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -12 / - 15 Series Page 19 Step 17. Secure the junction box cover , P/N 239-47 199-00, to the j unct ion box.
TTW1 Un iver sal Ser vice Repl acement Blowe r MITW -12 / - 15 Series Page 20 Step 2 0. If it has not alread y been done, remo ve the ol d vent adapt er from th e existi ng ve nt pipe . Step 2 1. If necessar y, re- route the ve nt pipe such that i t can b e properl y se ated in the top porti on of the ve nt adapter.
TTW1 Univer sal Service Repl acement Blowe r M1T W Se ri e s Page 21 Step 1. On the w a ter heater ’ s gas cont rol, tur n the power switch to the “Off” position. Step 2. Un plug wate r heater from w all o utlet. Step 3. Discon nect blo wer cord sets fr om recepta cles l ocated i n the bl ower h ousing.
TTW1 Un iver sal Ser vice Repl acement Blowe r M1T W Se r ie s Page 22 Unscr ew both clamps th at hold the adap ter to the blower and vent pipe. Unscre w (3) s crew s that hol d blower to the jack et head.
TTW1 Univer sal Service Repl acement Blowe r M1T W Se ri e s Page 23 Step 7. b.) R epla ce the cu rre nt pressure sw itch ON LY IF the model is for high a ltitude (2 001 ft. & above) . i. For high a l t itude ap plicati ons, t he factor y installed pressure switch must be replaced.
Step 8. b.) P lace th e access co mpartment cover back o n the blower a nd secur e it with its (3 ) screws from Step 7a. Start th e l ower screw fir st, and when doin g so, ma ke sure that t he hole in the p ressure switch’s br acket m atches up to th e hol e in the b lower ho using.
TTW1 Un iver sal Ser vice Repl acement Blowe r M1T W Se r ie s Page 25 Step 9. c.) R eplace the inta ke boot back onto the blower . If it is necessary, the cab le, or zi p, tie ca n be remo ved from the boot to allow f or easier assembly.
TTW1 Un iver sal Ser vice Repl acement Blowe r M1T W Se r ie s Page 26 Plug power co rd back int o outlet. Tur n sw itch on gas valve to “On” pos it ion. Step 12. Find the rubber vent ada pter kit, P/N 239-46 263-00, provi ded with the blo w e r kit.
Notes Page 27 NOTES.
An important point after buying a device Bradford-White Corp MITW -12 / -15 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bradford-White Corp MITW -12 / -15 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bradford-White Corp MITW -12 / -15 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bradford-White Corp MITW -12 / -15 you will learn all the available features of the product, as well as information on its operation. The information that you get Bradford-White Corp MITW -12 / -15 will certainly help you make a decision on the purchase.
If you already are a holder of Bradford-White Corp MITW -12 / -15, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bradford-White Corp MITW -12 / -15.
However, one of the most important roles played by the user manual is to help in solving problems with Bradford-White Corp MITW -12 / -15. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bradford-White Corp MITW -12 / -15 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
