AC MGA0800/A1 Panduan Pengguna - Halaman 13

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3) The input voltage and frequency should meet the requirement of air conditioner.
The fans can turn freely without abnormal noise
4)

6.2 Start running

Close the input power switch, it will start self-test, complying with the standard in
1)
section4.3. After self testing, The internal cycle fan of the air conditioner will be
started. If the internal cycle temperature meets the running condition, the cooling
system will be started.
Operating parameters have the default settings, and it is Ok to confirm normal
2)
after running; if you need to change the parameters, please refer to the 5th section.
7

Faults and treatment

7.1 Alarm information

Item
High temperature alarm
Low temperature alarm
T1 temperature sensor
alarm
T2 temperature sensor
alarm
T3 temperature sensor
alarm
Evaporator-frozen alarm
Frequent high system
pressure alarm
Controller power failure
alarm
Alarm conditions
Temperature inside the cabinet is higher than the
setting
Temperature inside the cabinet is lower than the
setting
There is short or open circuit on the cabinet
internal temperature sensor cable
There is short or open circuit on the Evaporator
temperature sensor cable
There is short or open circuit on the Condenser
temperature sensor cable
Evaporator temperature is lower than 0℃
System pressure is higher frequently than the
setting
No power is be input for controller
12
output from
Reset
dry contact
Automatic
Yes
Automatic
No
Automatic
No
Automatic
No
Automatic
No
Automatic
Yes
Automatic
Yes
Automatic
Yes