16
Outdoor fan
motor (MF)
INNER
PROTECTOR
MU-A08ND
135
i
5
:
OPEN
95
i
15
:
CLOSE
MU-A15ND
130
i
5
:
OPEN
83
i
15
:
CLOSE
INNER FUSE
MU-A10/12ND
149
i
3
:
OPEN
WHT
RED
BLK
MAIN
AUX.
WHT
RED
BLK
MAIN
AUX.
MU-A15ND
MU-A08ND
FUSE
WHT
RED
BLK
MAIN
AUX.
MU-A10/12ND
ORN
Compressor
(MC)
OVERCURRENT
RELAY
MU-A08ND
150
i
5
:
OPEN
78
i
9
:
CLOSE
INNER
PROTECTOR
MU-A10ND
150
i
5
:
OPEN
90
i
10
:
CLOSE
MU-A12ND
155
i
5
:
OPEN
90
i
10
:
CLOSE
MU-A15ND
155
i
5
:
OPEN
90
i
10
:
CLOSE
8-3. Trouble criterion of main parts
Part name
Check method and criterion
Figure
R
C
S
RED
BLK
WHT
MAIN
AUX.
R
C
S
RED
BLK
WHT
MAIN
AUX.
P
MU-A10/12/15ND
MU-A08ND
P
P
:INNER PROTECTOR
Measure the resistance between the terminals with a tester.
(Coil wiring temperature -10°C ~ 40°C)
Color of
lead wire
Normal
WHT-BLK
BLK-RED
102 ~ 126
"
97 ~ 120
"
MU-A15ND
132 ~ 162
"
233 ~ 286
"
MU-A08ND
338 ~ 414
"
228 ~ 280
"
MU-A10ND
275 ~ 337
"
224 ~ 276
"
MU-A12ND
Measure the resistance between the terminals with a tester.
(Coil wiring temperature -10°C ~ 40°C)
Color of
lead wire
Normal
MU-A12ND
1.0 ~ 2.37
"
2.0 ~ 3.56
"
MU-A15ND
1.32 ~ 1.61
"
2.06 ~ 2.51
"
C-R
C-S
MU-A08ND
3.61 ~ 4.41
"
4.93 ~ 6.01
"
MU-A10ND
2.0 ~ 2.96
"
3.0 ~ 4.25
"
MU-A08ND MU-A10ND MU-A12ND MU-A15ND
OB403B--1.qxp 07.6.26 10:28 AM Page 16
