Mitsubishi MXZ-*C*NA Series - Page 30

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Indoor electronic
control P.C. board
Indoor power P.C. board
Fuse (F11) Varistor (NR11) Indoor fan motor
(CN211)
325 V DC
(–) GND (high-
voltage DC)
15 V DC
(+)3-6 V DC
(+)0 or 15 V DC
Connector to terminal
block (CN201)
Connector to indoor
electronic control P.C.
board (CN202)
Receiver board
Display board
Switch board
Resistor (R111)
5 V DC
12 V DC
GND
Timer short mode
point JPG JPS (Refer
to 8-1.)
To disable "Auto restart function",
cut the Jumper wire to JR77.
(Refer to 8-4.)
Emergency operation
switch (E.O.SW) (SW1)
Connector to power
P.C. board (CN102)
Room temperature ther-
mistor RT11 (CN111)
Vane motor
(CN151)
Indoor coil ther-
mistor RT12,
RT13 (CN112)
9-7. TEST POINT DIAGRAM AND VOLTAGE
MSZ-EF09NAW MSZ-EF12NAW MSZ-EF15NAW MSZ-EF18NAW
MSZ-EF09NAB MSZ-EF12NAB MSZ-EF15NAB MSZ-EF18NAB
MSZ-EF09NAS MSZ-EF12NAS MSZ-EF15NAS MSZ-EF18NAS
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12, RT13)
Temperature (°F)
Resistance (kΩ)
32
50 68 86 104 122 140
OBH736A