Mitsubishi Electric PKA-RP1.6GAL Service Technical Manual page 43

Control modes
Controlled by the remote controller (4-speed or 2-speed)
3. Fan
Give priority to under-mentioned controlled mode
3-1. Hot adjuster mode
3-2. Preheating exclusion mode
3-3. Thermostat OFF mode (When the compressor off by the
thermoregulating)
3-4. Cool air prevention mode (Defrosting mode)
3-5. Capacity increasing mode
3-1. Hot adjuster mode
The fan controller becomes the stand by (hot adjuster) mode
for the following conditions.
1 When starting the HEAT operation
2 When starting the compressor by the thermoregulating
3 When release the HEAT defrosting operation
A
A: Stand by (hot adjuster) mode start
B: 5 min have passed since the condition A or the indoor
Condenser/ Evaporator temperature turned 35: or more
C: 2 min have passed since the condition A
(Terminating the stand by (hot adjuster) mode)
3-2. 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.
3-3. Thermostat OFF mode
When the compressor stops by the thermoregulating, etc., the
indoor fan operates in [Extra low].
3-4. Cool air prevention mode (Heat defrosting mode)
After "not adjustment" mode is finished, the indoor fan will
stop if 1 or 2 mentioned below is detected.
When receiving "DEFROST" from the outdoor unit, the mode
changes to defrosting mode.
Pipe temp. (Condenser/ Evaporator) - Room temp. [ -5deg
-5deg < pipe temp. (Condenser/ Evaporator) - Room temp. [ 5deg ··· 2
5deg < pipe temp. (Condenser/ Evaporator) - Room temp.
3-5. Fan speed up mode
•When the control changes to over-rise prevention.
The condition of over-rise prevention (Prohibit for auxiliary
heater ON) continues for 10 seconds or more and the set fan
speed is [Low] or [Medium2], the fan speed changes to
[Medium1].
•When the control changes to over-rise prevention during the
heater OFF, the mode changes to capacity increasing mode
immediately.
The capacity increasing mode is canceled by canceling the
over-rise prevention mode.
Control details
Hot adjuster mode 1
Set fan speed by the remote controller
[Low]
[Extra Low]
B C
··· 1
··· 3
43
Remarks
1
Fan speed change notch
Refer to the model function table
1 "STAND BY" will be displayed
during the stand by (hot adjuster)
mode.
1 This control is same for the model
without auxiliary heater.
1 Fan's airflow volume, when thermostat
is OFF, can be changed by selecting the
function of remote controller.
1 "DEFROST "will be displayed on the
remote controller during the defrost
operation.
1 This control is applied for only
4-speed model.