ENGLISH
14
■ Electrical Work
■ Defrosting operation (Available for heating only)
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 volyage must be consistent with the rate voltage of the air conditioner.
Model Power Source Switch and Fuse rating Wiring size
7000-9000 Btu/h
220-240V ~ 50Hz
10A f 1.0 mm
2
220-230V ~ 60Hz
12000 Btu/h
220-240V ~50Hz
16A f 1.5 mm
2
220-230V ~ 60Hz
18000 Btu/h
220-240V ~50Hz
25A
f 2.5 mm
2
220-230V ~ 60Hz
24000-30000 Btu/h
220-240V ~50Hz
32A
220-230V ~ 60Hz
NOTE
b. Unit has been running at high temperature
protection mode* for 90 minute. (*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°C
Remark: T3 is coil temperature of outdoor units.
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 < 0ºC for 40 minutes
and T3 < -3ºC for 3 minutes.
J277-EN.indd 14J277-EN.indd 14 26.12.2005 15:15:27 Uhr26.12.2005 15:15:27 Uhr
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