22
AH-S22DP2
AH-S25DP2
AH-S32DP2
FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES
Function
NO
Description
Detection
time
Restart
condition
Restart
times
Indoor Outdoor
Operation
Self diagnostic
display
1
2
3
4
5
Indoor fan
lock
Indoor fan
rpm error
Indoor
freezing
guard
DC
overcurrent
AC
overcurrent
Compressor
lock
Stops operation if no rotation pulse
signal is input from the indoor fan motor for
one minute.
Stops operation if the rotation pulse
signal from the indoor fan indicates low
rpm (approximately 300 rpm or less).
for 4 minutes.
Lowers the operating frequency if the
temperature of the indoor heat exchanger
goes below 5
ϒ
C during cooling. Stops the
compressor if the temperature stays below
0
ϒ
C for 4 minutes.
Stops the compressor if a current of
approximately 26A or more flows in the
power transistor module. Also stops the
compressor if the temperature of the
power transistor module is exceeds 105
ϒ
C.
Lowers the operating frequency if the
compressor AC current exceeds
set valve( ).Show "2-2(1)AC peak control"
Stops the compressor if the current
exceeds at 40Hz or less set valve.
Stops the compressor if the compressor
AC current exceeds 2.7A immediately after
activating the compressor (in 6 seconds).
When indoor
fan is rotating
During cooling
and dry
During
compressor
operation
During
compressor
operation
Immediately
after
compressor
activation.
Operation OFF
Automatically
restarts when the
exchanger
temperature rises
above the freezing
prevention
temperature (above
2
ϒ
C)
Automatically
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
No limit
No limit
4 times
4 times
4 times
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
M o d e l
( )
S e t v a l u e
7 . 5 A
6 . 5 A
8 . 5 A
A U - S 2 2 D P 2
A U - S 2 5 D P 2
A U - S 3 2 D P 2
