replacing a trane TCONT401 with a Hunter 44860, help?

Old 08-21-11, 03:24 PM
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Join Date: Aug 2011
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replacing a trane TCONT401 with a Hunter 44860, help?

I am replacing my Trane thermostat TCONT401 with a Hunter touchscreen 44860 on a Trane XL16c model 4WCZ6048A heat pump.

Wires on the 401 are
B (think it is common)
O - Switchover
G - Fan
R - 24 volts
Y1 - 1st stage
Y2 - 2nd stage

The question is this, do I need any jumpers as the manual is not clear on this.

I think they should be as follows on the hunter
Trane hunter
B -> C - common
O -> O - Reversing Valve cool
G -> G - Fan
R -> RC/R - 24 volts
Y1 -> Y1 - 1st stage
Y2 -> Y2 - 2nd stage

The hunter came with a jumper from R/RC to RH I want to be sure, we have no supplemental heat as this is a heat pump located in Phoenix AZ
Old 08-21-11, 05:59 PM
hvactechfw's Avatar
Join Date: Jan 2011
Posts: 6,244
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the way you have is good..... You can put the jumper wire in or leave it out, no difference since you have no backup heat.

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