18
ENGLISH
Model
Power Source
Power Switch and
Wiring size
Fuse rating
220-240V ~ 50Hz
7000-9000 Btu/h
220-240V ~ 60Hz
10A
f
1.0 mm
2
115V ~ 60Hz (UL)
220-240V ~ 50Hz
12000 Btu/h
220-240V ~ 60Hz
15A
f
1.5 mm
2
115V ~ 60Hz (UL)
220-240V ~ 50Hz
2.5 mm
2
18000-21000 Btu/h
220-240V ~ 60Hz
20A
f
1.5 mm
2
220-230V ~ 60Hz (UL)
f
2.5 mm
2
220-240V ~ 50Hz
24000 Btu/h
220-240V ~ 60Hz
32/20A
f
2.5 mm
2
220-230V ~ 60Hz (UL)
220-240V ~ 50Hz
28000-30000 Btu/h
220-240V ~ 60Hz
32/25A
f
2.5 mm
2
380-420V 3N ~ 60Hz
36000 Btu/h
220-240V ~ 50Hz
45/30A
f
3.3 mm
2
380-420V 3N ~ 60Hz
25/15A
f
2.5 mm
2
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.
0
-1
-2
-3
-4
-5
1
2
0
5
10
15
20
25
30
35
40
45
50
T3 (°C)
3 min
40 min
Heating mode
Defrosting mode
Time
Elapsed
(min)
Starting Defrosting Mode under condition a.
NOTE
The supply voltage must be consistent with the rate voltage of the air conditioner
.
40/30A
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1/22/08 11:14:04 AM
