37
11-7. TEST POINT DIAGRAM AND VOLTAGE
JR05
JR06
}
Dip switch SW3
(Increase air flow
volume)
MLZ-KP25VF
MLZ-KP35VF
MLZ-KP50VF
Indoor electronic control P.C. board
Indoor coil thermistor [RT12,RT14,RT15 (MAIN), RT13 (SUB)]
Room temperature thermistor (RT11)
Temperature (ºC)
Resistance (k
Ω
)
CN201
Power supply
input 230 V AC
NR11
Varistor
F11 FUSE
T3.15AL250V
CN111
Room temperature
thermistor RT11
12 V DC
CN1N1
Drain pump
CN145
Float sensor
CN202
Serial signal
R111
CN125
Display P.C. board/
Receiver P.C. board
connector
To disable "Auto restart
function", cut the
Jumper wire to JR77.
(Refer to 9-3.)
CN211
Indoor fan motor
325 V DC
(+) 3 - 6 V DC
15 V DC
(-) GND
(High voltage DC)
(+) 0 or 15 V DC
5 V DC
SW301
Emergency operation switch
GND
Timer short
mode point
(2 points)
(Refer to 9-1.)
CN151 Vane motor connector
Receiver P.C. board
Factory setting
(Do not change the setting.)
ON
OFF
1
2
3
4
5
6
SW101
CN105
Connector to optional
interface
Modifi ca-
tion
point for
individual
operation
(Refer to
9-2.)
Indoor coil ther-
mistor RT13
(SUB)
CN113
Indoor coil ther-
mistor RT15
(MAIN 3)
[MLZ-KP50VF]
CN112
Indoor coil ther-
mistor RT14
(MAIN 2)
[MLZ-KP50VF]
Indoor coil ther-
mistor RT12
(MAIN 1)
CN301
Indoor electronic control P.C.
board connector
Display P.C. board
CN302
Indoor electronic control P.C.
board connector
SWV1
Changing air-
flow direction
(Refer to 9-5.)
CN1M1
Display P.C.
board connector
OBH801
