Haier HCFU-18CF03 Service Manual page 49

g
H
In check mode, press [CHECK] to quit the check mode, and go into normal running
mode.
How to change the function switches?
No. Type
J01
Changeover
controller
controller
J02
Changeover of type of
wired controller
J06
Selection of room temp.
sensor
J07
Auto restart after power
failure
J03
Display
temperature
SW01
Changeover of master or
slave controller
SW01
or
D1
Shorten time function
D2
Compulsorily defrost
Note: 1. The switches in grey can be operated after opening the cover of wired controller.
2. Switches or jumper wire must be adjusted when the wired controller is powered off. If the
wired controller is powered on, the above operations will be invalid.
3. Shorten time function
In normal operation, D1 is in short circuit, it will enter shorten time mode, and the time will be
shortened in the proportion of 60:1. In shorten time mode, LED will flash at the frequency of
0.5 second. Cut off D1, it will quit the shorten time mode and return to the normal operation
mode.
4. Compulsorily defrost
In heating mode 30
defrost mode; cut off D2, it will quit. It is always be used when in testing to see if the defrost
function is good.
5. Lock function
49
Commercial Air Conditioner
Preset
Outdoor total capacity
State of
switch
of Wired Connected
and central
Cut off
Connected
Cut off
Connected
Cut off
Connected
Cut off
of room Connected
Cut off
ON
OFF
ON
OFF
Connected
Cut off
Connected
Cut off
and in High fan speed, D2 is in short circuit, it will enter compulsorily
Model: HCFU-18/28CF03
Actual value, decimal
Function description
Central controller
Wired controller
Set as simple controller
Set as standard controller
Use the sensor in the wired
controller
Use the sensor in the indoor unit
Common control
Auto restart after power failure
Yes
No
Set as slave controller
Set as master controller
Indoor unit in shorted time
function
Common control
Send compulsorily defrost signal
to indoor unit
Common control
HCFU-18/28HF03