25
Power supply input
230 V AC
TEST POINT DIAGRAM AND VOLTAGE
MSC-A07YV -
MSC-A09YV -
MSC-A12YV -
Indoor electronic control P.C. board
E1
E1
E1
Varistor
(NR11)
Fuse 250V AC 3.15A
Room temperature
thermistor (RT11)
Indoor coil
thermistor (RT12)
Timer short mode
point JPG, JPS
(Refer to page 17.)
Room temperature thermistor (RT11)
Indoor coil thermistor (RT12)
0
0
10
20
30
40
10 20 30 40 50 60
Emergency
operation switch
}
}
Indoor fan motor
230 V AC
1
sets the Auto restart
function ON/ OFF.
2
switches over MU&MUX type/
MUH & MXZ type.
}
5V DC
--
+
{
12V DC
--
+
Temperature (
;
;
)
Resistance (k
''
)
}
SW2
(Refer to page 18.)
Power monitor,
receiver P.C. board
R132
CN302
OB329-1.qxp 03.12.3 1:16 PM Page 25
