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42PHW / 42PHQ / 42PHQ...K
Unit display and switch panel
Indoor unit display
• Green light: illuminated during operation.
• Orange light: illuminated during timer mode.
EMERGENCY button:
Can be used when the remote control is lost or inoperative.
Emergency operation
When the remote control is lost or damaged or the batteries are
exhausted, the EMER. button can be used to run the unit.
• Press the EMER. button once briefly in the off mode condition for
less than 5 seconds.
- Based on the room temperature, the unit operates in Cool
mode for cooling only units and in Auto mode for heat pump
units.
Table II: Periodical checks
Indoor unit
Clean air filter
Clean drain pipe
Change controller batteries
Outdoor unit
Clean outdoor coil from outside
Clean outdoor coil from inside (2)
Blow air over electric parts (2)
Check electric connection tightening (2)
Clean fan wheel (2)
Check fan tightening (2)
Clean drain pan (2)
GB - 6
• If you want to stop the emergency operation, push the EMER.
button again or operate the remote control.
• The set conditions of emergency operation are as follows:
Cooling only:
- Operation mode: COOL
- Preset temperature: 24°C
- Fan speed: AUTO
- Timer mode: Disabled
- Discharge air direction: Horizontal
Heat pump:
- Operation mode: AUTO
- Preset temperature: 25°C
- Fan speed: AUTO
- Timer mode: Disabled
- Discharge air direction: Pre-set position based on operation
in "Cool" or "Heat" mode.
Every month Every 4 months
•
(1)
Every month Every 4 months
EMER.
Every year
•
•
Every year
•
•
•
•
•
•
•
Green indicator light
Orange indicator light
Switch panel
For a good operation of the
air conditioner it is
recommended to carry out
checks and maintenance as
indicated.
Recommended maintenance
intervals may vary
depending on the
installation environment,
e.g. dusty zones, etc.
(1) Increase frequency in
dusty zones.
(2) Operations to be carried
out by qualified service
personnel. Refer also to
"Installation Manual".
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