Display Of Selected Functions; Periodical Checks - Carrier 42HQM Owner's Manual

42HQM

Display of selected functions

MODE
AUTO
COOL
DRY
HEAT
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 - 4
TEMP.
B
Hr.ON OFF
Every month Every 4 months
•
(1)
Every month Every 4 months
FAN
AUTO
QUIET
Every year
•
•
Every year
•
•
•
•
•
•
•
1. Transmission indicator
2. Automatic mode
3. Cooling mode
4. Dehumidifying mode
5. Heating mode
6. Operating indicators
7. Economy mode indicator
8. Timer ON selection indicator
9. Timer OFF selection
indicator
10. Fan speed indicators
11. Unit ON symbol
12. Unit B selection indicator
("A" not displayed)
13. Fan speed
14. Selected temperature/timer
hours selected
For correct operation of the
air conditioner it is
recommended to fulfil
carry out checks and
maintenance 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 fulfilled
by qualified service
personnel. Refer also to
"Installation Manual".