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Heat operation
Intial
HEATING
Vane setting notch
Vane intial setting
Defrosting
Heating area
Defrost release
Defrost
30 min. elaspe
Outdoor unit trouble
Four-way valve ON
Hor adjust
in process
Compressor ON
Compressor
thermostat ON
Allowance cancel
Indoor piping
-5¡F or lower
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
10-minute
compressor
operation
Allowance cancel
Heating
area
FAN STOP
Ariflow area
20 min.elaspe
Airflow area
Heating area
Outdoor unit
trouble
Airflow area
Cooling area
Defrost operation
START
Four-way valve
OFF
Indoor piping
131¡F or lower
Auxiliary heater
ON
Indoor piping
140¡F or higher
Auxiliary heater OFF
Overheat remote
START
Indoor unit
158¡F or higher
Allowance
period
Overload protect
Auxiliary heater
thermostat ON
Auxiliary heater ON
6-minute restart
prevention
Allowance set
Compressor OFF
Indoor piping
95¡F or higher
HOT adjust
6 min. elapse
FAN SPEED
Low
FAN SPEED
Low 2 min.
elapse
FAN SPEED
setting notch
Hot adjust
release
PKH-FK
Type
3-minute
Auxiliary heater
OFF
Indoor coil
thermstor is 60¡C
or higher
FAN speed
Low notti
Airflow 10% up
FAN setting notch
Auto COOL/HEAT
operation
Initial mode
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)
After 15min.
T
1
>(T0 + 2)
HEAT operation
Cool mode
set
NO
NO
NO
NO
NO
w 17
w 16
NO
NO
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
w 11
w 11
w 11
w 9
w 15
w 11
w 10
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
HEATING OPERATION
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
OC120--1.qxp 24/6/97 12:22 AM Page 28