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joeydelia, HVAC Technician
Category: HVAC
Satisfied Customers: 183
Experience:  I have 15+ years exp. In residential and light commercial service and installation
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What terminal on the new - UP300 Programmable thermostat

Customer Question

What terminal on the new White-Rogers UP300 Programmable thermostat should I connect a wire on the old White-Rogers thermostat terminal labeled E. I have a heat pump.
Submitted: 1 year ago.
Category: HVAC
Expert:  joeydelia replied 1 year ago.

If there is no E terminal you can put it on W2 on thermostat or tape cap off

Expert:  BillyHvac replied 1 year ago.

if you tape off the e wire you will not have emergency heat. The E is for if the heat pump fails....and also it kicks on in defrost cycle. This thermostat does not have an emergency heat provision

Expert:  joeydelia replied 1 year ago.

UP400 model does as billy mentioned

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