54
TEST POINT DIAGRAM AND VOLTAGE
MSZ-A09RV -
MSZ-A12RV -
Indoor electronic control P.C. board
E1
E1
Varistor (NR11)
Fuse 250V AC 3.15A
Room temperature
thermistor (RT11)
Indoor coil
thermistor (RT12)
Timer short
mode point
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12, 13)
0
0
10
20
30
40
10 20 30 40 50 60
Emergency
operation switch
}
Power supply
input 220-
240V AC
}
Fan motor
power supply
How to set “Auto restart function”
Cut the Resistor JR07.(Refer page 39.)
}
5V DC
--
+
{
12V DC
--
+
Temperature (
;
;
)
Resistance (k
''
)
Indoor coil
thermistor (RT13)