EN
17
ENGLISH
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.
T3 (°C)
3 min
40 min
Time
Elapsed
(min)
Starting Defrosting Mode under condition a.
NOTE:
The supply voltage cannot be less than the rate voltage of the air conditioner.
y
l
p
p
u
s
r
e
w
o
P
l
e
d
o
M
Input Rated Amp
(Switch/Fuse)
Power Cord Size
a
12000Btu/h
10A/15A
f
1.0/1.5mm2
220-230V ~ 60Hz
f
12000Btu/h
220-240V ~ 50Hz
16A
f
1.5mm2
Electrical Work
Heating mode Defrosting mode
J440-EN.indd 23
2/14/08 1:27:00 PM