Mitsubishi Electric Mr.Slim MUZ-FE NA Series Service Manual page 34

9-7. TEST POINT DIAGRAM AND VOLTAGE
MSZ-FE09NA MSZ-FE12NA
1. Indoor electronic control P.C. board
{
Power supply input
208/230 VAC
SW P.C. Board
Emergency
operation
switch (SW1)
(LD101)
- : Connect to the monitor P.C. board
- : Connect to the power monitor receiver
P.C.board
2. Power monitor receiver P.C. board
3. Monitor P.C. board
5 VDC
i-see Sensor
(CN110)
Release of Auto restart function
Solder the Jumper wire JR07
(Refer to 7-3.)
34
12 VDC
Fuse
(F11)
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12, RT13)
Cement resistor
(R111)
Indoor fan motor
(CN211)
294/325 VDC
(-) Fiducial terminal of
cathode side on measur-
ing high-voltage DC
15 VDC
(+)3 - 6 VDC
(+)0 or 15 VDC
Room temperature
thermistor RT11
(CN111)
Varistor (NR11)
CN201
(Used for check of con-
ducting of thermal fuse)
Indoor coil thermistor
RT12, RT13 (CN112)
Horizontal vane (CN1U1)
Vertical vanes (CN151)
}
Timer short mode
point JPG, JPS
(Refer to 7-1.)
32 50 68 86 104 122 140
Temperature (°F)