ENGLISH
14
0
-1
-2
-3
-4
-5
1
2
0
5
10 15 20 25 30 35 40 45 50
T3 (°C)
3 min
Time
Elapsed
(min)
Starting Defrosting Mode under condition a.
40 min
■
Electrical Work
■
Defrosting operation (Available for heating only).
1. Condition to start defrosting: Units will switch to defrosting
mode when either of the following conditions is met.
a. Unit has been running under T3 < 0
o
C for 40 minutes
and T3 < -3
o
C for 3 minutes.
b. Unit has been running at high temperature protection
mode* for 90 minutes. (*High temperature protection
mode: when coil temperature of indoor unit reaches
55°C, outdoor unit will turn off external unit fan but
still keep compressor running).
2. Condition to stop defrosting: Units will switch back to heating
mode when either of the following conditions is met.
a. Unit has been running at defrosting mode for 10
minutes.
b. T3 > 20
o
C
Remark:
T3 is coil temperature of outdoor units.
NOTE
The supply voltage must be consistent with the rate voltage of the air conditioner.
Model
Power Source
Power Switch and Fuse rating
Wiring size
18
220-240V ~ 50Hz
4.6x2A
3x2.5mm
2
21
220-240V ~ 50Hz
5+6A
3x2.5mm
2
27
220-240V ~ 50Hz
4.6x3A
3x2.5mm
2
30
220-240V ~ 50Hz
8.2+5.8A
3x2.5mm
2
Heating mode
Defrosting mode
J287-EN.indd 14
J287-EN.indd 14
07.03.2006 9:30:18 Uhr
07.03.2006 9:30:18 Uhr