Ground - Mitsubishi PUZ-A18NHA6 Service Manual

Active filter module
PUZ-A30/36/42NHA6
PUY-A30/36/42NHA6
L1, L2
Connect to the
DCL (Reactor)
Upper side
+
Connect to the
outdoor power
circuit board
(TABP1)
–
Connect to the outdoor power
circuit board (TABN1)
Connection and internal circuit diagram
Tester check points of Active filter module
Error condition Normal value (reference)
(–) and Io open
short
(–) and L2
open
short
P and L2
open
short
P and Io
open
short
L2 and Io
open
*1 The symptom when the unit is in open error condition is described to determine open error by tester check.
*2 SW2 setting : Code "20" display
1
OCH577A
PUZ-A30/36/42NHA6-BS
PUY-A30/36/42NHA6-BS
(+)
(–)
less than 1"
1 The unit does not operate (cannot be switched ON)
100 k" to 1 M"
1 The breaker operates
*1
1 The unit does not operate (cannot be switched ON) 2 U9 Abnormal stop (*2)
100 k" to 1 M"
1 The breaker operates
*1
1 The unit does not operate (cannot be switched ON) 2 U9 Abnormal stop (*2)
100 k" to 1 M"
1 The breaker operates
*1
1 The unit does not operate (cannot be switched ON) 2 U9 Abnormal stop (*2)
100 k" to 1 M"
1 The breaker operates
*1
1 The unit does not operate (cannot be switched ON) 2 U9 Abnormal stop (*2)
ON
OFF
6
P
Connect to the outdoor power
circuit board (TABP2)
Connect to the outdoor power
circuit board (CNAF)
: GND
1
2–1 : 18 V DC
3–1 : Control signal
4, 5 : Not used
6–1 : Control signal
DCL
ACTM
L1 L2
P
N1
N2
Io
Symptom when the unit is in trouble
76
N1
Non-connect
Lower side
N2
Non-connect
Io
Connect to the outdoor power
circuit board (TABN2)
+