Mitsubishi Electronics PKH18FL Heating Operation, iiiWhen thermostat is OFF, To Set temperature

HEATING OPERATION

Heat operation

A

NO

initial

w 15

w 11

YES

3-minute

NO

HEATING

Heating area

Auxiliary heater

YES

NO

OFF

Vane setting

Defrost release

YES

Vane initial

Defrost

NO

Indoor coil

NO

notch

setting

30 min. elapse

thermistor is 140°F

NO

YES

2

or higher

YES

YES

defrosting

Outdoor unit

FAN speed

NO

NO

trouble

Low notch

Four-way

YES

valve ON

1

Airflow 10% up

FAN setting

YES

notch

Hot adjust

in process

NO

B

Compressor ON YES

YES

Indoor piping

NO

NO

10-minute

B

95°F or higher

Compressor

YES

compressor

NO

w 9

operation

thermostat ON

HOT adjust NO

YES

NO

Indoor piping

YES

Allowance cancel

5 min. elapse

Allowance cancel

131°F or lower

YES

YES3 min.restart

NO

prevention

w 11

YES

NO

Auxiliary

NO Auxiliary heater

FAN SPEED

NO

Heating

A

heater ON

Low

thermostat ON

area

YES

FAN SPEED NO

YES

NO

YES

NO Indoor piping

6 min. restart

FAN STOP

Auxiliary heater

Low 2 min.

prevention

140°F or higher

elapse

NO

Indoor piping

NO

ON

YES

w 11

YES

5°F or lower

YES

FAN SPEED

Fan area

YES

2

20 min.elaspe

Auxiliary heater

setting notch

YES

NO

w

OFF

Outdoor unit

Hot adjust start

10

Overheat remote

Hot adjust

Fan area

Outdoor unit

release

trouble

Heating area

trouble

START

FAN SPEED

NO

very low

w 11 Fan area

NO

NO

Indoor Coil. temp.

Cooling area

FAN SPEED

Compressor ON

150°F or higher

YES

Very low airflow

YES

Defrost operation

NO

Compressor OFF

START

Allowance

Four-way valve

period

YES

6-minute restart

OFF

Overload protect

prevention

1

Allowance set

AUTOMATIC COOLING/HEATING OPERATION

Compressor OFF

Auto COOL/HEAT

operation

NO

w 16

1

Initial

mode

w 17

YES

NO

>

T1 = To

YES

HEAT mode

COOL mode

COOL mode NO
YES		NO T1 ] (To + 4)
NO T1 [ (To - 4)
YES		YES
		After 15min.	YES
After 15min.	YES
		T1 ] (To + 4)
T1 [ (To-4)		NO
NO
COOL operation	HEAT operation	HEAT operation	Cool mode
			set
	1		1

w15 ( i ) Until Low airflow is set while in hot adjustment (ii)While defrosting (FAN STOP)

(iii)When thermostat is OFF

In the case of( i ), (ii) and (iii) above, airflow is horizontal regardless the VANE setting. w16 When AUTO operation is started, COOL or HEAT mode is selected automatically. w17 T1 : Room temperature.

To : Set temperature

23