Test Point Diagram; Outdoor Controller Board - Mitsubishi Electric Mr.Slim PUH-P25VGAA Service Manual

10-7. TEST POINT DIAGRAM

Outdoor controller board

PUH-P25, P35, P50, P60, P71, P100VGAA.UK
PUH-P35, P50, P60, P71, P100, P125, P140YGAA.UK
PU-P35, P50, P60, P71, P100VGAA.UK
PU-P35, P50, P60, P71, P100, P125, P140YGAA.UK
MF4, MF3
(MF4 is only for PUH-P100V, PU-P100V, PUH-P100~140Y and PU-P100~140Y)
Connect to fan motor
Between 1 and 3
220V~240V AC
52C
MC contactor
Between 1 and 3
220V~240V AC
CH
Crankcase heater
Between 1 and 3
220V~240V AC
w1
21S4
R.V. coil
Between 1 and 3
220V~240V AC
w2
SV
Baypass valve
solenoid coil
Between 1 and 3
220V~240V AC
SW1
Group number
address
w3 63L
Low pressure
switch
SW4
Test run
Jumper wire J1~J6
Model selection
w1. 21S4 is only for PUH-P25~100V and PUH-P35~140Y.
w2. SV is only for PUH-P125Y and PUH-P140Y.
w3. 63L is only for PUH-P125, 140YGAA and PU-P125, 140YGAA.
+ –
Communication power supply
D71 Voltage
developed across: 16-30V DC
53
CNM
When connecting A-control
Service Tool [ PAC-SK52ST ],
operation mode can be displayed
by means of 7SEG
SW5
Fan 100% fix
Outdoor LEV opening
fix
TH4
Discharge temperature
thermistor
TH3
Liquid temperature
thermisor
TH6
Condenser/Evaporator
temperature thermisor