Service manual

2
1
TECHNICAL CHANGE
2
FEATURES
1. COMPACT DESIGN
The PKH series models have been downsized and now require such minimal wall space that they can even be installed
above windows. For the PKH-FK3, 14.5in of wall space between the ceiling and the window allows “above window”
installation.
2. AUTO FLAP SHUTTER
With a simple flick of the OFF switch the air outlet will be closed off with a shutter. The shutter also functions as a flap
during operation to adjust the air flow angle, with “Auto Angle 1” securing a comfortable air flow.
3. INSTALLATION : FAST AND ENDLESSLY ADAPTABLE
(1) Multi-directional piping
Multi directional drain and refrigerant piping radically improves flexibility in selecting installation layouts.
PKH-FK3 models boast refrigerant piping in 4 directions and drain piping in 2 directions.
(2) Back plate installation guide
The back plate installation guide gives clear instructions on installation positions. The enlarged back plate secures the
unit firmly to the wall, while the support piece which lifts the unit makes left side piping work much easier.
(3) Easily removable filter
The presence of thumbscrews on the filters means that the filters can be quickly and smoothly removed.
FILTER
CHECK MODE
TEST RUN
TIMER OFF TIMER
CHECK SET TEMP.
CLOCK AUTO AUTO
START STOP
SWING
FAN
SPEED
AUTO
RETURN
Indoor unit
Remote controller
Models Cooling capacity / Heating capacity SEER
PKH18FK3 18,000 / 18,600 [25,100] Btu/h 11.1
PKH24FK3 24,000 / 25,000 [31,500] Btu/h 10.2
PKH30FK3 30,000 / 33,000 [40,500] Btu/h 10.6
PKH36FK3 34,200 / 38,000 [45,500] Btu/h 10.5
PKH18FK2 ➔ PKH18FK3
PKH24FK
2 ➔ PKH24FK3
PKH30FK
2 ➔ PKH30FK3
PKH36FK
2 ➔ PKH36FK3
● INDOOR CONTROLLER BOARD has changed.
1) From TRANSFORMER to POWER BOARD.
2) From JUMPER CONNECTOR (J1) to DIP SWITCH (SW1).
3) From JUMPER CONNECTOR (J5) to DIP SWITCH (SW5).
4) The number of switches of SW7 changed from 4 to 3 pieces.
5) SW8 for option and SW9 for model selector are added.
OC273-A-1.qxp 03.11.25 8:59 AM Page 2