28
Operation
Periodic Maintenance Checks
Refer to the schedule given in
Note:
If the unit will not be used for an extended period of time, operate it in Fan mode for 3–4
hours to thoroughly dry it and then disconnect the power plug. Moisture left in the
components can cause odors and internal damage.
Table 2.
Maintenance schedule
Description
Monthly
Every 4 months
Once a year
As needed
Clean the air filter
(a)
(a) The described operations should be performed more frequently if the area of installation is very dusty.
x
Clean the condensate drain pan
(b)
(b) These operations must always be performed by qualified personnel. For more detailed information, see the installation
manual for this unit.
x
Thoroughly clean the heat exchanger
(b)
x
Clean the condensate drain pipe
(b)
x
Replace remote control batteries
(a)
x
