29
Indoor coil thermistor [RT12,RT14,RT15 (MAIN), RT13 (SUB)]
Room temperature thermistor (RT11)
Temperature (°C)
Resistance (kΩ)
MFZ-KA09NA MFZ-KA12NA MFZ-KA18NA
Indoor electronic control P.C. board
Release of Auto restart function
Solder the Jumper wire to JR07.
(Refer to 7-3.)
9-7. TEST POINT DIAGRAM AND VOLTAGE
Indoor fan motor (Lower) CN212
GND DC 12 VDC
FUSE (F11)
T3.15AL250V
Power supply
input 208/230 VAC
5 VDC
Room temperature
thermistor RT11
Varistor
NR11
Indoor coil thermistor RT14 (MAIN 2)
Indoor coil thermistor RT13 (SUB)
Indoor coil thermistor RT12 (MAIN 1)
Indoor coil thermistor RT15 (MAIN 3)
}
Timer short mode point
JPG, JPS (Refer to 7-1.)
Display receiver P.C. board
1FAN/2FAN
change switch
Emergency
operation
switch
Horizontal vane motor CN151
Damper lock motor Right CN151
Damper motor CN152
Damper lock motor Left CN152
Indoor fan motor (Upper) CN211
(
+
)
0/15 V
(
+
)
3-6 VDC
15 VDC
(-)
GND
(high voltage DC)
325 VDC
JR05 JR06
Modification point for
individual operation
(Refer to 7-2.)
}
(
+
)
0/15 V
(
+
)
3-6 VDC
15 VDC
(-)
GND
(high voltage DC)
325 VDC