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10-7. TEST POINT DIAGRAM AND VOLTAGE
1. Indoor electronic control P.C. board
MS-GF20VA MS-GF25VA MS-GF35VA
Room temperature thermistor RT11 (CN111)
Indoor coil thermistor RT12 (CN112)
GND
Vane motor (CN151)
Connector to
Indoor power P.C.
board (CN10A)
12 VDC
5 VDC
Timer short mode point
JPG, JPS (Refer to 8-1.)
Emergency operation
switch (E.O. SW) (SW1)
To disable" Auto restart function", solder
the Jumper wire to JR07 (Refer to 8-3.)
Indoor coil thermistor (RT12)
Room temperature thermistor (RT11)
Temperature (°C)
Resistance (k
Ω
)
2. Indoor terminal P.C. board Indoor power P.C. board
MS-GF20VA MS-GF25VA MS-GF35VA
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Indoor fan motor
(CN211)
230 V AC
Please replace the fuse after removing the indoor terminal P.C. board from the electrical box.
Fuse (F11)( )
Connector to indoor electronic
control P.C. board (CN20A)
12 VDC
GND
5 VDC
Terminal
block
CN121
Varistor (NR11)
R111
Indoor Power P.C. board
Indoor terminal P.C. board
OBH621A
