Mitsubishi Electronics PCH30GK, PCH24GK, PCH36GK, PCH42GK specifications OC277-26, Heating Operation

HEATING OPERATION

A

Heat operation

w 15

w 11

NO

Initial

YES

HEATING

Heating area

YES

NO

Defrost release

3-minute

NO

Vane initial setting

Vane setting notch

Defrost

NO

Auxiliary heater

NO

30 min. elaspe

2

OFF

YES

YES

Defrosting

Indoor coil

NO

Outdoor unit trouble

thermistor is 140°F

NO

or higher

Four-way

FAN speed NO

valve ON

1

Hot adjust

YES

Low notch

YES

in process

Airflow 10% up

FAN setting notch

NO

Compressor ON YES

YES

Indoor piping

B

NO

NO 10-minute

95°F or higher

w 9

Compressor

YES

compressor

NO

thermostat ON

operation

HOT adjust

NO

3 min.restart

YES

B

Allowance cancel

6 min. elapse

Allowance cancel

prevention

YES

Indoor piping

YES

FAN SPEED

YES 6 min. restart

w 11

131°F or lower

Low

prevention

Heating

YES

NO

FAN SPEED NO

2 NO

A

NO Auxiliary heater

NOAuxiliary heater

NO

Indoor piping

area

Low 2 min.

ON

thermostat ON

elapse

°

Hot adjust start

YES

-5 F or lower

FAN STOP

YES

YES

FAN SPEED

YES

FAN SPEED

w 11

NO Indoor piping

Auxiliary heater

setting notch

Outdoor unit

°

ON

trouble

very low

Airflow area

YES

140 F or higher

Hot adjust

YES

20 min.elaspe

release

Compressor ON

Auxiliary heater

YES

w

10

OFF

FAN SPEED

Airflow area

Outdoor unit

Overheat remote

Very low airflow

Heating area

trouble

w 11

NO

START

Compressor OFF

NO

Airflow area

NO

Indoor unit

Cooling area

158°F or higher

YES

YES

Defrost operation

NO

START

Allowance

Four-way valve

period

YES

6-minute restart

OFF

Overload protect

prevention

1

Allowance set

Compressor OFF

Auto COOL/HEAT

operation

1

NO

w 16

Initial

mode

w 17

YES

NO

T1

>

= T0

YES

COOL mode

HEAT mode

COOL mode NO

NO T1 < (T0 - 2)

NO

T1>(T0 + 2)

YES

YES

After 15min. YES

After 15min.

YES

T1<(T0-2)

T1>(T0 + 2)

NO

NO

COOL operation

HEAT operation

HEAT operation

Cool mode

set

1

1

w15 (!) Until Low airflow is set while hot adjustment (@) While defrosting (FAN STOP)

(#) When thermostat is OFF

In the case of(!), (@) and (#) 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

OC277-26