Mitsubishi Electronics PKH36FL, PKH24FL, PKH30FL, PKH18FL Operation Flow-Chart, Main Operation

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OPERATION FLOW-CHART

MAIN OPERATION

	START
	Power circuit	NO
	breaker
1	YES
YES	Check SW
	ON twice
	NO	w 1
	Operation SW	YES
	ON
	NO
	“OFF” timer	YES
	NO
NO	“ON” timer	Set time	NO
		complete
	YES	YES
	Set time	YES
	complete		w 2

NO

Trouble

NO

YES	Remote controller
	operation display

STOP	Trouble STOP	Operating mode	YES
		(COOL)
PROTECTION DEVICE	PROTECTION DEVICE	NO	COOL operation
SELF HOLD RELEASE	SELF HOLD		YES
	w 3	Operating mode
Remote controller		(DRY)
	Remote controller
indicator lamp OFF			DRY operation
	trouble display	NO
		Operating mode	YES
		(HEAT)
Indoor side	w 4	NO	HEAT operation
		w 6
Fan STOP			YES
		Operating mode
		(FAN)	w 7
Auxiliary heater OFF		NO	FAN operation
		Auto COOL/HEAT
		operation

Outdoor side

w5

Compressor OFF

Fan STOP

Four-way valve OFF

w1 In addition, the centralised control and remote control can be operated. w2 The modes which indicate the sources of trouble are listed below.

●E0-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.)

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