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Author Topic: Replacing Temp Control for WH-12T Chest Cooler  (Read 3919 times)
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Bones
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« on: December 27, 2008, 10:30:19 am »

The temp control unit on my WH-12T failed and I'm looking to replace it (picture and diagram attached). The unit appears to consist of a combined thermostat as well as a starter relay. I can't find an identical replacement, so I'm looking to replace the unit with a separate thermostat (non-contact) and a starter relay. Does anyone have a wiring diagram that would show how a separate thermostat and relay should be wired? I'm attaching a diagram of the existing wiring. Has anyone done a similar conversion? I'm told the relay I ordered has instructions, but thought I'd check to see if anyone has any pointers.

Thanks for any suggestions.
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Bones
Guest
« Reply #1 on: March 08, 2009, 11:07:10 am »

Since I was able to get my question answered away from the forum, I thought I'd post the information in case it can help anyone else. The attached schematic shows how to wire in a separate 3 N' 1 relay, overload, and start capacitor unit, and a separate thermostat in place of the combined temperature control unit. I've also shown how to wire in a run capacitor, which will increase the efficiency of the unit resulting in energy savings of 15-27% (I'm told).

Hope this can help someone else.

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GreginNM
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« Reply #2 on: March 08, 2009, 11:18:34 am »

Cool!  Thanks for the tip!   happydrinkers
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Greg

Vendo: 39B, Standard
Jacobs: 35
Ideal: 35 DP
Westinghouse: WB-66-MD, WD-10, Junior, Standard
SelectiVend: S-48 DP x 2
SelVend: S-47 7up
collecture
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Tom


« Reply #3 on: March 08, 2009, 11:33:21 am »

You should post this in the Tips And Tutorials Section
or
maybe the powers that be can move the topic!
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Cav 27, 33, CS-55E-2, 72
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Ideal CC 35, Barq's 55
1930s DP Counter Cooler
Vendo Coin Changers (ea. style - orig w/ stand)
Vendo Junior (rest.), 23 Deluxe, 39D, 44, 56RT, 80SS, 81A (orig), 81D, 6 C.V.
VMC 27, 27A, 81D DP, 110 DP
Westy WC-42-T, WC-44SK, WD-5(2), WB60
Victor C-14
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