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Operation Details
(1) The function of main controls/controller
1. Time Delay Safety Control
• 3min ... The compressor is ceased for 3minutes to balance the pressure in the refrigeration cycle.
(Protection of compressor)
• 30sec ... The 4-way valve is ceased for 30sec. to prevent the abnormal noise of the refrigerant gas when the
Heating operation is OFF or switched to the other operation mode while compressor is off.
While compressor is running, it takes 3~5 seconds to switch.
2. Soft-Dry Operation
• The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because of
already being set to the best speed for Dry Operation by Micom Control.
3. Cooling Mode Operation
• When selecting the Cooling(
the operation diagram is as following.
Intake Air temp.
SET TEMP.+0.5°C
(COMP. ON)
SET TEMP. -0.5°C
(
C
O
M
. P
O
F
) F
INDOOR FAN
COMPRESSOR
) Mode Operation, the unit will operate according to remote controller settings and
M
o
e r
3
m
n i
S
e
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t c
n i
g
Low
a f
n
s
p
e
e
d
ON
OFF
h t
a
n
u
e t
s
S
e
e l
t c
n i
g
a f
n
s
p
e
e
d
ON
–10–
M
o
e r
h t
a
n
3
m
n i
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e t
s
S
e
e l
t c
Low
a f
n
s
p
OFF
ON
n i
g
e
e
d
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Troubleshooting
