8
7. AFTER-SALE SERVICE
This unit should only be serviced and maintained by a professional
air conditioning service engineer. Incorrect servicing or maintenance
can cause electric shock, fire or leakage of water. If the unit displays
protection or error code, contact your dealer for servicing and
maintenance. The maintenance or replacement period are listed in
table 7-1
Table 7-1
Available for master unit
Only available for master unit, displayed on slave units has no
sense;
Operation mode: 0-OFF; 2-Cooling; 3-Heating;4-Forced cooling
Opening angle of EEV: Actual value=Display value*4(480P) or
Actual value=Display value*24(3000P)
Opening angle of EEV: Actual value=Display value*4(480P)
High pressure: Actual value=Display value*0.1MPa
Priority mode: 0-Auto priority, 1-cooling priority, 2-VIP priority or
voting priority, 3-Heating only, 4-Cooling only
Silent mode: 0-Night silent time is 6h/8h, 1-Night silent time is
6h/12h, 2-Night silent time is 8h/10h, 3-Night silent time is
8h/12h, 7-Silent mode 3,8-Super silent mode 1, 9-Super silent
mode 2, 10-Super silent mode 3, 11-Super silent mode 4;
Static pressure mode: 0-Standard static pressure, 1-Low Static
pressure, 2-Medium static pressure, 3-High static pressure,
4-Super high static pressure;
DC bus voltage: Actual value=Display value*10 V
Refrigerant quantity: 0-Normal, 1-Slightly excessive, 2-Signifi-
cantly excessive, 11-Slightly insufficient, 12-Significantly
insufficient, 13-Critically insufficient.
0-100% capacity output, 1-90% capacity output, 2-80% capacity
output, 3-70% capacity output, 4- 60% capacity output, 5-50%
capacity output, 6- 40% capacity output. 10-Auto power save
mode, 100% capacity output. 11-Auto power save mode, 90%
capacity output, 12-Auto power save mode, 80% capacity
output, 13-Auto power save mode, 70% capacity output,
14-Auto power save mode, 60% capacity output, 15-Auto power
save mode, 50% capacity output, 16-Auto power save mode,
40% capacity output.
1
2
3
4
5
6
7
8
9
10
11
12
Component
Fan motor
Compressor
crankcase heater
EXV
Solenoid valve
Heat exchanger
PCB
Sensor
Fuse
Test Period
1year
1year
1year
1year
1year
1year
1year
1year
20000 hours
8 years
8 years
8 years
5 years
10 years
5 years
10 years
Maintenance /
replacement Period
