Mitsubishi Electric Mr.SLIM PKH-2.5FKA, Technical & Service Manual

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30
Heat operation
Vane setting notch Vane initial setting
Defrost release
Outdoor unit trouble
Four-way valve ON
Allowance cancel
Outdoor unit
trouble
FAN SPEED
Very low airflow
Compressor OFF
1
3 min.restart
prevention
6 min. restart
prevention
2
A
B
B
A
1
2
1
Hot adjust start
FAN SPEED very low
Compressor ON
Allowance cancel
FAN STOP
Outdoor unit
trouble
Defrost operation
START
Four-way valve
OFF
Auxiliary heater OFF
Overheat remote
START
Overload protect
Auxiliary heater ON
6-minute restart
prevention
Allowance set
Compressor OFF
FAN SPEED
Low
FAN SPEED
setting notch
Hot adjust
release
Airflow 10% up FAN setting notch
Auto COOL/HEAT
operation
T
1
T0
>
=
COOL mode HEAT mode
COOL mode
T
1
[
(T0 - 2)
After 15min.
T
1
[
(T0-2)
COOL operation HEAT operation
1
1
T
1
]
(T0 + 2)
HEAT operation
Cool mode
set
NO
NO
NO
NO
NO
NO
NO
YES YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
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15
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
w
9
w
11
w
11
w
11
w
10
w
16
w
17
w
11
Initial
HEATING
Defrosting
Hot adjust
in process
Compressor ON
Compressor
thermostat ON
Heating
area
Fan area
20 min.elapse
Fan area
Heating area
Fan area
Cooling area
Heating area
Defrost
30 min. elapse
10-minute
compressor
operation
Indoor piping
55
°
C or lower
Auxiliary heater
ON
Indoor piping
60
°
C or higher
Auxiliary heater
thermostat ON
Indoor unit
70
°
C or higher
Allowance
period
Indoor piping
35
°
C or higher
HOT adjust
6 min. elapse
FAN SPEED
Low 2 min.
elapse
PKH-FK
Type
3-minute
Auxiliary heater
OFF
Indoor coil
thermistor is 60
°
C
or higher
FAN speed
Low notch
Initial mode
After 15min.
T
1
]
(T0 + 2)
Indoor piping
-15
°
C or lower
HEATING OPERATION
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15 ( i ) Until Low airflow is set while 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.
w
16 When AUTO operation is started, COOL or HEAT mode is selected automatically.
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17 T1 : Room temperature.
To : Set temperature
AUTOMATIC COOLING/HEATING OPERATION
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