Service manual
41
Minimum 3 minutes
w
2
ON
Thermostat
Indoor fan
Auto vane
Compressor
Power ON lamp
STAND BY lamp
ON
ON
(
PKH-2.5/3/4 for
J1-7,J1-8)
LOW or HIGHLOW or HIGH
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
Extra LOW w1Extra LOW w1
Close
10° Close
From POWER ON until
warm begins to blow
Depends on remote
controller setting
Depends on remote
controller setting
w1 Changeable by indoor
dipswitch SW1- 7
and SW1- 8.
LOW
Operation starts by
POWER button
ON.
Operation stops by
POWER button
OFF.
Room temperature
becomes equal to
set temperature.
Room temperature
falls below set tem-
perature.
w
2 Even if the room temperature rise above the set temperature during this period, the compressor will not start until this period has ended.
<HEAT operation time chart>
2-3 HEAT operation <How to operate>
1 Press POWER ON/OFF button.
2 Press the a button to display “ g ”.
3 Press the i TEMP. button to set the desired temperature.
NOTE: The set temperature changes 1°C when the or
button is press one time Heating 17 to 28°C.
<Display in HEAT operation>
[ DEFROST ]
The [ DEFROST ] symbol is only displayed during the defrost operation.
[ STANDBY ]
The [ STANDBY ] symbol is displayed from the time the heating opera-
tion starts until the heated air begins to blow.
FILTER
CHECK MODE
TEST RUN
241
(1) Compressor control
13-minute time delay
To prevent overload, the compressor will not start within 3, minutes after stop.
2The compressor runs when the room temperature is lower than the set temperature.
The compressor stops when the room temperature is equal to or higher than the set temperature.
3The compressor stops in check mode or during protective functions.
4Overheat protection
<Start condition>
When the indoor coil thermistor reads 70°C or above, the overheat protection will start.
<Overheat protection>
The compressor stops for 6 minutes, and then restarts.
If the start condition is satisfied again within 10 minutes of compressor operation, both the indoor and outdoor units stop,
displaying a check code of “P6” on the remote controller.
<Termination conditions>
Overheat protection is terminated when the start condition is not satisfied again during the allowance (10-minute compres-
sor operation), when operation mode changes to other mode, or when thermostat turns OFF.