12) Maintenance and Service
1.
Turn off the main power switch before any operation.
2.
Push and unlock the fasteners to open the air return
grille.
3.
Take out the air filter and wash by water.
4.
Check the air filter periodically and before the
operating season, to clean or replace while necessary.
5.
The service must be carried out by trained and
qualified service personnel only!
6.
The PCB, transformer, capacitor, terminal are easily
accessible by removing the control box cover.
7.
The service of fan blower or fan motor is easily
accessible by opening the air return grille and
removal of air ventri.
8.
The service of coil involves the removal of the
condensate drain pan. During the removal of
condensate drain pan, the remained condensate water
may be spilled. Please place a plastic sheet under the
unit to protect.
9.
In the case of service of water coil, please stop the
water supply before operation.
10.
The service of drain pump can open the pump
service port on the side board of unit body
service of pump
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