Installation manual

AC IOM 12/03/2014 rev 8 14
OPERATING INSTRUCTIONS FOR ADJUSTING THE THERMOSTAT (cont)
3. Mode setting
 Press
MODE
button to change the operation mode as follow:-
Cool→Dry→Heat→Fan→Auto Cool/Heat
Heat and Auto mode is not available for cooling only model. Auto mode is not available for model
where furnace is primary heating.
 Heat LED flashes during outdoor defrost cycle.
MODE
button press is invalid during this cycle.
4. Furnace setting (model 1511 only)
 This function is available in heat pump + furnace model only.
 Press
FURNACE
button to activate furnace as primary heating. Heat pump operation will be inhibited
thereafter. Press the same button again to disable furnace function.
5. Fan speed setting
 Press
FAN
button to change the fan speed：Auto→High→Medium→Low. Auto fan setting is
bypass in Fan mode. Fan speed setting is bypass in dry mode.
 When furnace is working as primary heat source in heat mode, pressing
FAN
button for 5sec to turn
the fan off, display will show “FF” until button is released. Pressing
FAN
button again for 5sec to let
the fan continue running, display will show “F0” until button is released.
6. Sleep setting
 Press
SLEEP
button to activate or deactivate sleep setting. Sleep is bypass in Fan and Dry mode.