Service Manual
35
Operation
• While in heating mode operation in order to protect the evaporator pipe of the outdoor unit from freezing,
reversed to cooling cycle to defrost the evaporator pipe of the outdoor unit.
• Defrosting control is available 40 minutes later since heating cycle started and the difference of the pipe tem-
perature of outdoor unit reaches above option 1.
• The defrosting control is available without reference to heating operation time only if the pipe temperature of
outdoor unit reaches below option 2.
Setting Freq.
Operating
Freq. Of
Comp
(Comp off
Inapplicable.)
4-Way
Indoor
FAN
Indoor
FAN
Pre-Heat
LED
5sec 5sec
Minimum Time
Of Heating
Main Deice time
30 sec
10 sec
1min
ON
OFF
Hi Speed
ON
Setting
Speed
Hot
Start
OFF
Super low speed
¡
low speed
ON
OFF
OFF
Deice STEP
0
1
2
3
4
5
6
EEV
Open step
The Degree
of Superheat
Control
Starting Step
off
Min (Option)_(12)
Step 3 (Option)_(15)
300
(
Option)_(14)
off
Step 5 (Option)_(13)
Min (Option)_(12)
off
15 sec
Min (Option)_(12)
Min (Option)_(12)
Operating
Freq. Of
Comp
(Comp off
Applicable.)
Step 3 (Option)_(15)
Step 5 (Option)_(13)
Setting
Speed
Setting
Speed
Setting Freq.
Setting
Freq.
>5
>5
>5
-25
-25
-30
-30
Option 2
Expected heating operating time
And Heating operating time 40 minutes
The minimum Time of
Heating(sec)
>4
Option 1
-10˚C less than
0˚C more than
-10~-5˚C between
-5~0˚C between
The mean outdoor
temperature
Defrosting control
