Service manual
51
J1-6) Switch for set temperature adjustment in HEAT mode
During HEAT operation, warm air collects near the ceiling. When the indoor unit is installed near the ceiling, the
temperature read by room temperature thermistor differs from the actual living-space temperature by about 4
degrees. Therefore, the room temperature read by room temperature thermistor must be lowered by 4 degrees.
Provided : 4-degree adjustment
Not provided : No adjustment
J1-7) Switch for fan speed during thermostat OFF in HEAT operation.
Provided : EXTRA LOW
Not provided : LOW
J1-8) Switch for fan speed during thermostat OFF in HEAT operation.
Provided : EXTRA LOW or LOW (set with J1-7)
Not provided : Low or HIGH (set with remote controller)
J1-9) Switch for detecting abnormalities in the outdoor unit abnormality detection.
Provided : When an abnormality occurs, it is detected.
Not provided : Even if an abnormality occurs, it can not be detected.
J1-10) Switch for auto restart function.
Provided : This function does not work.
Not provided : This function works.
(2) SW2 (Address selector)
Used in setting the unit-address for group control.
For further information, refer to page 66.
(3) SW3 (Emergency operation switch)
(4) J5 (Model selector)
J5-2) Provided :For models with heat pump.
Not Provided :For models without heat pump.
J5-4) This jumper is unavailable for PKH-FK(S)A-E.
(5) SW6 (Model selector)
(6) SW7
SW7-2) POWER SUPPLY
(7) J9 (Model selector)
J9-1) Not provided
J9-2) Provided
2-11 INDOOR FAN CONTROL
Indoor fan relay output.
(a) During fan ON
The indoor fan relay turns ON. One second later, the phase control will start.
(b) During fan OFF
The phase control turns OFF. One second later, the indoor fan relay will turn OFF.
Normal operation For emergency cooling For emergency heating
24
OFF: 220V
ON : 240V
)(
SW6-1
SW6-2
SW6-3
SW6-4
OFF
Single control
OFF
OFF
OFF
ON(Twin No.1)
Twin control
ON(Twin No.2)
OFF
OFF
ON(Triple No.1)
Triple control
ON(Triple No.2)
ON(Triple No.3)
ON
12
}
PKH-FK(S)A-E
PKH-2.5 / 3
PKH-4
123456
ON
OFF
1234
ON
OFF
12
ON
OFF
12
ON
OFF
12
ON
OFF
1234
ON
OFF
1234
ON
OFF
1234
ON
OFF










