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8-8. TEST POINT DIAGRAM
8-8-1. Outdoor multi controller board
PUMY-71VM PUMY-125VM PUMY-125YM
PUMY-71VM
1
PUMY-125VM
1
PUMY-125YM
1
PUMY-71VM
2
PUMY-125VM
2
PUMY-125YMA
CN51
Commpressor
drive signal
output
TH2
Thermistor
detection of
low pressure
saturated
temperature
TH5
Thermistor
detection of
pipe temperature
TH6
Thermistor
detection of
outdoor
temperature
TH1
Thermistor
detection of
discharge
temperature
63HS
High pressure
sensor
CNS2
Connect to the
terminal block TB7
(For centralized control)
CNS1
Connect to the
terminal block TB3
(Indoor/outdoor unit
connecting wire)
THHS
Thermistor
detection of
IPM radiator
panel
temperature
CNCT
Detection of
paimary
current
(Cnnect to
the NF1
(CNCT))
Only for
71VM model
CN3D
Demand,
silent mode inpt
CN40
Centralized
control
power supply
CN41
For storing
jumper
connector
–
+
30V DC
27.3–30V
–
+
12V DC
11.5–15.6V
CN3
Connect to the outdoor
power supply board (CN3)
control power supply
1-3:12V DC
2-3:5V DC
4:OPEN
5:OPEN
6-7:28V DC
–
+
5V DC
4.75–5.25V
SLEV
Expansion
valve
AC,CT
Detection of
current
CN4
<Inverter sigunal>
Connect to the
outdoor power
supply board (CN1)
CN2
Connect to the outdoor power supply board (CN2)
1:Inner thermostat abnormality signal
2:IPM abnormality signal
3:Shortage voltage abnormality signal
4:Bus-bar voltage detected signal
5:Power supply synchronous signal
CN1
Connect to the outdoor power supply board (CN1)
1:52C relay output signal
2:4-way valve output signal
3:Bypass valve output signal
4:OPEN
5:OPEN
6:Fan drive signal
OC183E--4.qxp 10.5.6 0:54 PM Page 91