4
3
12
、
Care and Maintenance
To ptimize the life of the air-conditioning unit, check and maintain the unit regularly with
specialized person.
1) Air filter Air filter is made by washable nylon, if you want to clean it, you can put it on a harder
plate, then tap it gently to move bigger particles. If necessary, you can wash it in water with mild
detergent, then dry it naturally.
2) Outdoor heat exchanger Outdoor heat exchanger must be cleaned regularly, at least once every
two months. You can clean the surface with vacuum cleaner or nylon brush, please do not wash it
with water.
3) Belt The indoor units are driven by belt, you should check the tightness of the belt after operating
for a period of time.
4) Drainage pipe Check the drainage pipe regularly so as to confirm the fluency flow of condensate.
5) Running cautions of machine as operating season coming
z
Check if air intake and outlet port is blocked.
z
Check if the earth connection of the machine is reliable.
z
Check if the air filter is installed properly.
z
After a long period of stop, we should switch on the power supply for 8 hours to preheat the
crankcase of compressor before operating the machine.
6) Maintenance at the end of operating seasons
z
Clean the air filter, indoor unit body and outdoor unit body.
z
Cut off power supply.
z
Clean the dust on outdoor unit.
7) Components replacement The components are available at local service center of
FISHER
or
FISHER
dealer.
Attention: When you perform leakage test, please do not charge oxygen or acetylene into the
system, use nitrogen gas or the refrigerant instead. Service If there is any problem with
FISHER
ducted air-conditioning units, please contact the local service center or
FISHER
.
