6
Thermostat Fan Coil Heat Pump
O/B O
Heat
WW W
Cool
YY Y
Fan
GG
24VAC
RR R
Common
CC C
*
A08163
*Common connectionnot required if batteriesare used.
Fig. 4 -- HP Thermostatwith Fan Coil
Thermostat Fan Coil Air Conditioner
Heat
WW W
Cool
YY Y
Fan
GG
24VAC
RR R
Common
CC C
*
A08164
*Common connectionnot required if batteriesare used.
Fig. 5 -- AC Thermostatwith Fan Coil
WIRING DIAGRAM NOTES:1. Furnace must controlits own second--stage heat operation via furnace control algorithm. Refer to indoor equipmentInstallation
Intructionsfor proper setup.
2. See Option 5 informationto convert HP thermostatsto AC thermostatoperation.
3. As an option, lockthe furnace into low--heatoperationand let O/B control high--heat operation. Refer toindoor equipment Installation
Instructionsfor proper setup.
4. O/B can control second--stage heat. Refer to indoorequipment InstallationInstructions for propersetup.
5. Refer to outdoor equipmentInstallation Instructionsfor latent kit requirements(if any).
6. Terminalsmarked with * may not bepresent on equipment.
7. O/B energizesreversing valvein cooling or heating. SeeOption 10.
8. Refer to outdoor equipmentInstallation Instructionsfor proper setup.
9. If system iswired per diagram, the ACRDJ (jumper) on furnacecontrol board should be removed to allow thermostat to control
outdoor unitstaging.
10. Refer to fan coil InstallationInstructionsfor proper wiring.
11. If batteriesare installed,C (common wire) isnot required between indoorunit and thermostat.
T2SN