Operation Flow-Chart - Mitsubishi Electric Mr.Slim PKH-2FKA Technical & Service Manual

8

OPERATION FLOW-CHART

MAIN OPERATION
1
w1 In addition, the centralized control and remote control can be operated.
w2 The modes which indicate the sources of trouble are listed below.
EO=Signal transmitting/receiving error
P1=Room temperature thermistor malfunction
P2=Indoor coil thermistor malfunction
P4=Drain sensor malfunction
P5=Drain overflow
P6=Coil frost/overheat protection
P7=System error
P8=Outdoor unit trouble
w3 The CHECK switch will show if an error has occurred in the past.
w4 Fan runs on low speed for 1 minute in order to remove overheat air.
w5 The 3-minute (6 minutes ... heating mode) time-delay functions after compressor stops.
w6 FAN or AUTO mode is selected by the indoor dip switch setting.
w7 In FAN mode, fan speed and vane operation depend on the remote controller setting. (Compressor is OFF.)
START
NO
Power circuit
breaker
YES
YES
Check SW
ON twice
NO
w1
YES
Operation SW
ON
NO
YES
"OFF" timer
NO
NO
Set time
"ON" timer
complete
YES
YES
Set time
complete
NO
STOP
PROTECTION DEVICE
SELF HOLD RELEASE
Remote controller
indicator lamp OFF
Indoor side
w4
Fan STOP
Auxiliary heater OFF
Outdoor side
w5
Compressor OFF
Fan STOP
Four-way valve OFF
NO
YES
w2
NO
Trouble
Remote controller
YES
operation display
Operating mode
Trouble STOP
PROTECTION DEVICE
SELF HOLD
Operating mode
w3
Remote controller
trouble display
Operating mode
w6
Operating mode
Auto COOL/HEAT
28
YES
(COOL)
COOL operation
NO
YES
(DRY)
DRY operation
NO
YES
(HEAT)
HEAT operation
NO
YES
w7
(FAN)
FAN operation
NO
operation