4. Replacement of temperature sensor
a. Take off the back panel (see picture a).
b. Take out the broken sensor from its fixture, and also pull its connector out from the
controller.
c. Put the new sensor back and connect it to the same port on controller.
Back panel
a
b
c
Sensor connector
Temperature sensor
【
Cleaning of water filter
】
The water filter should be cleaned according to the manual of water filter, to ensure the water
flow of the water system. It is recommended to be cleaned once in the first month, and then, once
half a year.
【
Cleaning of heat exchanger
】
Heat exchanger should be cleaned once half a year, because after long term running, gap between
the fins of heat exchanger may be clogged up by dust, leaves, plastic films or papers, which will
affect the efficiency of heat exchange, please clean the heat exchanger as follows:
A. Use a vacuum cleaner to clean the surface of the fins, to get rid of the dust or other rubbish.
B. Use a soft nylon brush to clean the fins, rinse by water at the same time (please don't rinse
with high water pressure). If the outdoor unit is located in an oily place and is hard to clean,
please ask for professional service to clean it.
C. After cleaning, please leave the unit at a shady and well-ventilated environment to dry the
surface of the unit.
①
. Avoid splashing water to the electric part when cleaning.
②
. Avoid touching the sharp fins when cleaning, or they may cut your skin. It's recommended
to wear rubber gloves before cleaning.
③
. The fins of heat exchanger are soft, please don't wipe strongly with hard object, or it may
damage the fins.
④
. If the unit is working in a salty environment, please clean the heat exchanger more often.
⑤
. If the fins have corrosion in surface, please move the unit to a better environment.
12. Maintenance
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