OCH790 _97
■
Outdoor power circuit board
PUMY-P112YKM5(-BS)
PUMY-P112YKM5-ER(BS)
PUMY-P125YKM5(-BS)
PUMY-P125YKM5-ER(BS)
PUMY-P140YKM5(-BS)
PUMY-P140YKM5-ER(BS)
TB-P1
Diode module
Connect to
the DCL
CN2
Connect to the outdoor multi
controller circuit board (CN2)
: Power circuit board
→
Transmitting signal to the
: Zero cross signal (0–5 V DC)
: Not used [
:
: 15 V DC
: 15 V DC
outdoor multi controller circuit board (0–5 V DC)
TAB connector
on X52CA
Connect to the
RS resistor
TB-P3
Connect to the DCL
TB-U, TB-V, TB-W
Connect to the compressor (MC)
Voltage among phases:
10–400 V AC
TB-L1,
TB-L2,
TB-L3
Connect to the
outdoor noise
filter circuit board
(LO1, LO2, LO3)
400 V AC
CN4
Connect to the outdoor
multi controller
circuit board (CN4)
CN6
Thermistor
<Heat sink> (TH8)
L3OUT-L3IN
Lead connect
CN5
Detection of primary current
(Connect to the outdoor noise filter
circuit board (CNCT))
,
DIP-IPM
If they are short-circuited, it means that they are broken.
Measure the resistance in the following points (connectors, etc.).
Brief Check of POWER MODULE
L1 - P1 , L2 - P1 , L3 - P1 , L1 - N1, L2 - N1, L3 - N1
L1 , L2 , L3 , N1 , N2 , P1 , P2 , U , V and W
2. Check of DIP-IPM
Note: The marks
shown in the diagram are not actually printed on the board.
P2 - U , P2 - V , P2 - W , N2 - U , N2 - V , N2 - W
1. Check of DIODE MODULE
1 5
–
2 5
–
3 4
–
6 5
–
7 5
–
5
–
:
+
1
,
2
,
6
]
7
