12
3) The input voltage and frequency should meet the requirement of air conditioner.
4)
The fans can turn freely without abnormal noise
6.2
Start running
1)
Close the input power switch, it will start self-test, complying with the standard in
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.
2)
Operating parameters have the default settings, and it is Ok to confirm normal
after running; if you need to change the parameters, please refer to the 5th section.
7
Faults and treatment
7.1
Alarm information
Item
Alarm conditions
Reset
output from
dry contact
High temperature alarm
Temperature inside the cabinet is higher than the
setting
Automatic
Yes
Low temperature alarm
Temperature inside the cabinet is lower than the
setting
Automatic
No
T1 temperature sensor
alarm
There is short or open circuit on the cabinet
internal temperature sensor cable
Automatic
No
T2 temperature sensor
alarm
There is short or open circuit on the Evaporator
temperature sensor cable
Automatic
No
T3 temperature sensor
alarm
There is short or open circuit on the Condenser
temperature sensor cable
Automatic
No
Evaporator
-frozen alarm
Evaporator temperature is lower than 0
℃
Automatic
Yes
Frequent high system
pressure alarm
System pressure is higher frequently than the
setting
Automatic
Yes
Controller power failure
alarm
No power is be input for controller
Automatic
Yes
Summary of Contents for MGA0800/A1
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