Mitsubishi Electric Mr.Slim PCA-M35KA2 Service Manual page 32

9-7. TEST POINT DIAGRAM
Indoor controller board
LED3
Transmission
(Indoor/outdoor)
CN90
Connect to the
wireless remote
controller board (CNB)
SWE
Emergency operation
CN105
IT Terminal
CN4F
Drain float switch (FS)
(option)
CN44
Pipe temperature
thermistor
1-2: Liquid (TH2)
3-4: Cond./Eva. (TH5)
CN20
Room temperature
thermistor (TH1)
LED1
Power supply (I.B)
V : Voltage between pins of
SP
C626
0 VDC (FAN stop)
1–6.5 VDC (FAN operation)
(Same as 6(+)–4(-) of CNMF)
CNMF
Fan motor
1-4: 310–340 VDC
5-4: 15 VDC
6-4: 0–6.5 VDC
7-4: Stop 0 or 15 VDC
Operation 7.5 VDC
(0–15 V pulse)
CNP
Drain-pump output (DP)
(220–240 VAC) (option)
OCH752
CN01
Connect to the Terminal Block (TB4)
(Indoor/outdoor connecting line)
Between 3 and 5
220–240 VAC
32
CNV
Vane motor output (MV)
12 V pulse output
SW1
Model selection
SW2
Capacity setting
Jumper wire J41,J42
Pair No. setting for wireless
remote controller
CN51
Centrally control
1-2: Control signal
13 VDC pulse input (1: +)
3-4: Operation indicator
13 VDC (3: +)
3-5: Malfunction indicator
13 VDC (3: +)
CN41
Connector (HA terminal-A)
LED2
Power supply (R.B)
CN22
Connect to the terminal block (TB5)
(Remote controller connecting wire)
(10.4–14.6 VDC)
CN3C
Transmission (Indoor/outdoor)
(0–28 VDC)
FUSE
6.3 A /250 V