-
47
-
●
Outdoor heat exchanger thermistor: -50
°
C or lower
●
Outdoor temperature thermistor:
-30
°
C or lower
●
Low pressure sensor:
0 V or lower, or 3.49 V or higher.
(ii) Discharge pipe temperature thermistor, suction pipe temperature thermistor
After the compressor goes ON, if the following is detected for 5 seconds continuously between 10 minutes and 10
minutes 20 seconds after the compressor goes ON, the compressor stops. After a 3-minute delay, the compressor is
restarted, but if this state is detected 3 times within a 40-minute period, an abnormal stop occurs.
Note (1) This is not detected during defrosting and for 3 minutes after defrosting.
●
Discharge pipe temperature thermistor: -10
°
C or lower
●
Suction pipe temperature thermistor:
-50
°
C or lower
( k) Test operation
( i ) It is possible to operate the outdoor unit using SW5-3 and SW5-4 on the outdoor unit PCB.
Be sure to turn SW5-3 OFF when operation ends.
(ii) Test operation control
1) Operates the air conditioner at the predetermined maximum speed for each model.
2) Each protective control and abnormal sensing control is activated.
3) If the setting of SW5-4 is changed during trial operation, stop control is performed, and the compressor is stopped
temporarily, and operation is switched between cooling and heating.
4) Remote control settings and display during trial operation.
(l)
Silent mode control
Silent operation according to the remote control function setting.
( i ) It runs at a speed that is lower than the outdoor fan control speed in item (d).
1) Fan tap during cooling and dehumidifying operation
2) Fan tap during heating
SW5-3
OFF
ON
SW5-4
ON
OFF
Cooling test operation
Heating test operation
Normal or test operation end
The set temperature is 5ºC.
The set temperature is 30ºC.
Remote controller settings, display contents
Capacity
Item
Cooling test operation
Heating test operation
6th Speed
5th Speed
4th Speed
3th Speed
5th Speed
5th Speed
3th Speed
3th Speed
5th Speed
3th Speed
3th Speed
2th Speed
4th Speed
3th Speed
2th Speed
1th Speed
a
Zone
b
Zone
c
Zone
d
Zone
A
Zone
B
Zone
C
Zone
D
Zone
3th Speed
3th Speed
4th Speed
3th Speed
3th Speed
5th Speed
3th Speed
5th Speed
6th Speed
a
Zone
b
Zone
c
Zone
A
Zone
B
Zone
C
Zone
