61
10-6-7. Check method of ACTM
Normal
Is the voltage of main incoming power
198–253 V AC
•
Check the breaker and power supply.
Note: To check the voltage of the parts on this board with a tester is difficult due to its location.
Test points are limited.
Is the voltage of CNDC(PNK) on outdoor
controller circuit board 330–350 V DC
during cooling or heating operation?
•
Check wiring.
•
Check 52C relay.
•
Check ACTM.
Yes
Yes
No
No
Is the voltage between 3pin and
4pin of CN2 on outdoor controller
circuit board 18 V DC?
•
Replace the outdoor controller circuit board.
Yes
No
ACTM check
(Active Filter Module)
Power supply
52C relay
Bus bar voltage
(DC)
COMP (Hz)
ACTM
OFF
OFF
ON
OFF
ON
0Hz
ex. 48Hz
0V
290/325 V
330–350 V
ON
208/230 V
min. Hz
290/325 V
OFF
TIME CHART
power on starts stop
Noise filter circuit board
LI
NI
208/230 V ±10% AC
LO
NO
Power board
operate:330–350 V DC
stop :290–325 V DC
A C TM
Outdoor controller circuit board
3
-
1
CNDC
(PNK)
7 6 5
4 3
2 1
CN2
(WHT)
conv. circuit
CN2 3-4pin : 18 V DC
ACTM gate drive power supply
operate:330–350 V DC
stop :290–325 V DC
52C
DCL
Circuit diagram
COMP
W
U-V 10–250 V AC
U-W 10–250 V AC
V-W 10–250 V AC
W
W
W
V
U
L1
L2
TB1
198–253 V AC
198–253 V AC
PUZ-A30/36/42NHA6
PUZ-A30/36/42NHA6-BS
PUY-A30/36/42NHA6
PUY-A30/36/42NHA6-BS
OCH577A