Mitsubishi Electric Mr. SLIM MSZ-FA25VA Technical Manual página 823

8. TEST POINT DIAGRAM
● Outdoor controller board
PUH-P71VHA.UK PUH-P100VHA.UK
PUH-P71YHA.UK PUH-P100YHA.UK PUH-P125YHA.UK PUH-P140YHA.UK
PU-P71VHA.UK PU-P100VHA.UK
PU-P71YHA.UK PU-P100YHA.UK
CNLEV
Linear expansion valve
CNM
When connecting A-control
Service Tool [ PAC-SK52ST ],
operation mode can be displayed
by means of 7SEG
MF4, MF3 52C
Connect to fan motor MC contactor
Between 1 and 3 Between 1 and 3
220V~240V AC 220V~240V AC
(MF4 is only for
PUH-P125,P140YHA.UK
and PU-P125,P140YHA.UK)
❈
1. 21S4 is only for PUH-P71, P100VHA.UK and PUH-P71, P100, P125, P140YHA.UK.
❈
2. SV is only for PUH-P125, P140YHA.UK and PU-P125, P140YHA.UK.
❈
3. 63L is only for PUH-P125, P140YHA.UK and PU-P125, P140YHA.UK.
❈
4. Themal relay is only for PU(H)-P71,P100, P125, P140YHA.UK.
PU-P125YHA.UK
TH3
TH4
Liquid temperature
Discharge temperature
thermisor
thermistor
w2
CH
Crankcase heater
Between 1 and 3
220V~240V AC
PU-P140YHA.UK
TH6
Condenser/Evaporator
temperature thermisor
w3 63L
SV
Low pressure
Baypass valve
solenoid coil switch
Between 1 and 3
220V~240V AC
w4 51CM
Themal relay
w1
21S4
R.V. coil
Between 1 and 3
220V~240V AC
Resolución de averías
SW4
Test run
Jumper wire
JA, JB
Jumper wire
J1~J6
Model
selection
–
Communicati
on power
supply
D71 Voltage
developed
across: 16-
30V DC
SW1
SW5
Group number
Fan 100% fix
address
Outdoor LEV opening
fix
823