Mitsubishi Electric PKA-RP1.6GAL Service Technical Manual page 55

Control modes
6-1. Normal control
6. Four way valve
6-2. Change of Operation mode
6-3. Start-up control in HEAT operation at low outside temperature (RP3 only)
6-4. In the defrosting operation
Always OFF during normal operation.
• When the mode changes from HEAT to COOL:
COOL
Operation mode
HEAT
ON
Four way valve
OFF
• When the operation stops in HEAT mode:
HEAT
Operation mode
Stop
ON
Four way valve
OFF
[Requirement] Same as the explanation in fan control.
[Control details] OFF for 2 minutes after the start-up of compressor, but ON if 2
minutes pass.
Always OFF during the defrosting operation
Control details
10 minute
55
Remarks