![background image](http://html1.mh-extra.com/html/carrier/53vmct-18c-24c-30c-36c/53vmct-18c-24c-30c-36c_owners-manual_2561772027.webp)
( 24 )
10. PERIODICAL CHECKS
WARNING:
It is necessary to stop the air conditioner and disconnect the power supply before
performing service and maintenance operations.
For a good operation of the air conditioner it is recommended to carry out periodic service and
maintenance of the air conditioner or upon customer request through Carrier or Carrier authorized dealer.
Recommended service and maintenance works and intervals may vary depending on the installation
environment, e.g. dusty zones, etc. see below table :
Indoor Unit
Every Month
Every Year
Clean air filters
(3)
●
(1)
Clean drain pipe
(2)
●
Change remote control batteries
(4)
●
Outdoor Unit
Every Month
Every Year
Clean outdoor coil
(2)
●
Blow air over electric parts
(2)
●
Check electric connection tightening
(2)
●
Clean fan wheel
(2)
●
Check fan tightening
(2)
●
Clean drain pan
(2)
●
NOTES
(1) Increase frequency in dusty zones.
(2) Service and maintenance works to be carried out by qualified service personnel.
(3) Cleaning air filters can be done by customer every month.
(4) Changing batteries of remote control can be done by customer every year.
11. CONSIDERATIONS BEFORE A LONG SHUTDOWN
PERIOD OF AIR CONDITIONER
Keep the indoor unit in operation for half
a day in the ventilation (fan only) mode
in order to dry all internal parts.
Switch electric mains supply off.
Take batteries out of the remote control.
Clean indoor and outdoor units.
Clean the air filters and reposition them
in the unit.
12h