Mitsubishi Electric MSZ-FH25VE - E1 Service Manual page 37

10-7. TEST POINT DIAGRAM AND VOLTAGE
Indoor power P.C. board, Indoor electronic control P.C. board, Receiver board, Display board, Switch board
MSZ-FH25VE MSZ-FH35VE
MSZ-FH25VE2 MSZ-FH35VE2 MSZ-FH50VE2
Indoor power P.C. board
5 VDC
GND
Connector to indoor
electronic control
P.C. board (CN202)
Indoor electronic control P.C. board
Room temperature
thermistor RT11 (CN111)
Interlock switch (CN1R1)
Air purifying device (CN1T1)
Display board CN110
~
Receiver board
(CN301)
~
, , ,
,
i-see SENSOR
MOTOR MT
~
i-see SENSOR
CN151
Vane motor MV1 ~
(horizontal)
~
Vane motor MV2
(vertical)
Switch board
Emergency operation switch (E.O.SW) (SW1)
OBH623D
MSZ-FH50VE
Connector Terminal
Block (CN201)
12 VDC
pin
pin
pin
pin
pin
26
pin
Indoor coil thermistor
RT12, RT13 (CN112)
Varistor (NR11)
Fuse (F11)
5 VDC
12 VDC
GND Timer short mode point
JPG JPS (Refer to 8-1.) To disable "Auto restart
37
Indoor fan motor
(CN211)
(+)0 or 15 VDC
(+)3-6 VDC
15 VDC
(–) GND (high-
voltage DC)
325 VDC
Resistor (R111)
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12, RT13)
Temperature (°C)
Connector to indoor
power P.C. board
(CN102)
function", cut the Jumper
wire to JR77. (Refer to 8-4.)