Mitsubishi PLA-ZM35EA.UK - Page 34

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9-7. TEST POINT DIAGRAM
Indoor controller board
PLA-ZM35EA.UK PLA-ZM50EA.UK PLA-ZM60EA.UK PLA-ZM71EA.UK
PLA-ZM100EA.UK PLA-ZM125EA.UK PLA-ZM140EA.UK
CN90
Connect to the wireless
remote controller board (CNB)
LED2
Power supply
(Wired remote controller)
CN44
Pipe temperature thermistor
– : Liquid (TH2)
– : Condenser/evaporator (TH5)
CN20
Room temperature thermistor
(TH1)
CN4F
Drain float switch (FS)
CN105
IT
CN4Z
i-see Sensor (Sensor)
Vsp
Voltage between pins of C626
0 V DC (FAN stop)
1–6.5 V DC (FAN operation)
(Same as 6(+)–4(−) of CNMF)
CNMF
Fan motor (MF)
– : 310 – 340 V DC
– : 15 V DC
CN5Y
i-see Sensor motor (MT)
12 V pulse output
CNV
Vane motor (MV)
12 V pulse output
J41, J42
Jumper wire
(Pair No. setting with
wireless remote controller)
SW2
Capacity setting
LED3
Communication
(Indoor-outdoor)
SWE
Jumper switch
(Emergency operation)
CN32
Remote switch
CN41
HA terminal-A
CN2L
Lossnay
CN01
Connect to the terminal block
(TB4)
(Indoor/outdoor connecting line)
– : 220–240 V AC
F1
FUSE
(6.3A/250 V)
LED1
Power supply (I.B)
CN3C
Connect to the terminal block
(TB4)
(Indoor/outdoor connecting line)
0–24 V DC (Communication)
CN51
Centrally control
– : Control signal
13 V DC pulse input (
: +)
– : Operation indicator
13 V DC (
: +)
– : Malfunction indicator
13 V DC ( : +)
CNP
Drain pump (DP)
– : 13 V DC
TB5
Connect to wired remote controller
10.4–14.6 V DC
SW1
Model selection
CN4G
Connect to the auto grille controller
board (CN4G)
– : 13 V DC ( : +)
– , – : communication line
0-5 V DC ( , : +)
OCH650