Mitsubishi city multi PKFY-08NAMU-A Technical & Service Manual page 79

8-4. HEAT operation
Control modes
1-1. Thermoregulating function (Function to prevent restarting for
1. Thermoregulating
3 minutes)
function
• Room temperature [ desired temperature -2°F ···Thermo ON
• Room temperature ] desired temperature ···Thermo OFF
Controlled by the remote controller (4-speed)
2. Fan
Give priority to under-mentioned controlled mode
2-1. Hot adjuster mode
2-2. Preheating exclusion mode
2-3. Thermo OFF mode (When the compressor off by the
thermoregulating)
2-4. Cool air prevention mode (Defrosting mode)
2-5. Capacity increasing mode
2-1. Hot adjuster mode
The fan controller becomes the hot adjuster mode for the
following conditions.
1 When starting the HEAT operation
2 When the thermoregulating function changes from OFF to ON.
3 When release the HEAT defrosting operation
A
A: HOT adjuster mode start
B: 5 min have passed since the condition A or the indoor
liquid pipe temperature turned 65°F or more
C: 2 min have passed since the condition A
(Terminating the hot adjuster mode)
2-2. Preheating exclusion mode
When the condition changes the auxiliary heater ON to OFF
(thermoregulating or operation stop, etc), the indoor fan
operates in [Low] mode for 1 minute.
<How to operate>
1 Press POWER ON/OFF button.
2 Press the operation MODE button to display HEAT.
3 Press the SET TEMP. button to set the desired temperature.
NOTE: The set temperature changes 2°F when the
pressed one time. Heatling 63 to 83°F.
<Display in HEAT operation>
[DEFROST]
The [DEFROST] symbol is only displayed during the defrost operation.
[STANDBY]
The [STANDBY] symbol is only displayed from the time the heating operation
starts unit the heated air begins to blow.
Control details
Hot adjuster mode 1
Set fan speed by the remote controller
[Low]
[Extra Low]
B C
OC290-19
or button is
Remarks
1 "STAND BY" will be displayed
during the hot adjuster mode.
1 This control is same for the model
without auxiliary heater.
To be continued on the next page.