18
TEST POINT DIAGRAM AND VOLTAGE
MSZ-A09YV -
MSZ-A12YV -
Indoor electronic control P.C. board
E1
E1
Indoor coil thermistor [RT12 (MAIN), RT13 (SUB)]
Room temperature thermistor (RT11)
Temperature (
:
)
Resistance (k
"
)
Release of Auto restart function
Solder the Jumper wire to the JR07.
(Refer to page 9.)
CN302
Power monitor receiver P.C. board
Power supply input
230V AC
Varistor
(NR11)
Fuse F11 250V AC 3.15A
Room temperature
thermistor RT11
Indoor coil
thermistor
RT12(MAIN)
RT13(SUB)
Timer short mode
point JPG, JPS
(Refer to page 8.)
Emergency
operation switch
}
}
Indoor fan motor
230V AC
}
5V DC
+
–
{
12V
DC
+
–
}
Safety device of
fan by horizontal
vane CN1R1
R132
J23
J33
J33
J12
OB327 --1qxp 04.1.8 1:42 PM Page 18
