Honeywell RTH7500D Programmable Thermostat Owner’s Manual
Step 7. Connect Wires to New Wallplate (Cont)
NOTES FOR HEAT PUMP SYSTEMS
1
2
Leave metal jumper wire between RC and R in place.
If the old thermostat had separate wires on both the V and VR,
some system modification is required. Call your local heating
and cooling contractor for assistance.
3
4
If the old thermostat had wires on both O and B, be sure to
attach the B wire to the C letter designation on the new
thermostat. If another wire is already matched to the C, contact
Honeywell.
If the old thermostat had wires on W1, Y1 and W2, some
system modification is required. Call your local heating and
cooling contractor for assistance.
M22245
21
69-1730
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell RTH7500D Programmable Thermostat Owner’s Manual |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.78 MB |
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