Willis WMI12MH16S User manual

Service Manual

6HUYLFH0DQXDO
7DEOHRI&RQWHQWV
7DEOHRI&RQWHQWV
3DUWĉ7HFKQLFDO,QIRUPDWLRQ
6XPPDU\
6SHFL¿FDWLRQV12
6SHFL¿FDWLRQ6KHHW12
2SHUDWLRQ&KDUDFWHULVWLF&XUYH
&DSDFLW\9DULDWLRQ5DWLR$FFRUGLQJWR7HPSHUDWXUH
&RROLQJDQG+HDWLQJ'DWD6KHHWLQ5DWHG)UHTXHQF\
1RLVH&XUYH
2XWOLQH'LPHQVLRQ'LDJUDP
,QGRRU8QLW
2XWGRRU8QLW
5HIULJHUDQW6\VWHP'LDJUDP
(OHFWULFDO3DUW
:LULQJ'LDJUDP
3&%3ULQWHG'LDJUDP
)XQFWLRQDQG&RQWURO
5HPRWH&RQWUROOHU,QWURGXFWLRQRI<%)$)
%ULHI'HVFULSWLRQRI0RGHVDQG)XQFWLRQV
3DUWĊ,QVWDOODWLRQDQG0DLQWHQDQFH
1RWHVIRU,QVWDOODWLRQDQG0DLQWHQDQFH
,QVWDOODWLRQ
,QVWDOODWLRQ'LPHQVLRQ'LDJUDP
,QVWDOODWLRQ3DUWVFKHFNLQJ
6HOHFWLRQRI,QVWDOODWLRQ/RFDWLRQ
(OHFWULF&RQQHFWLRQ5HTXLUHPHQW
,QVWDOODWLRQRI,QGRRU8QLW
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HEALTH-L
HEALTH-N
RD
BU
DISPLAY BOARD
RECEIVER AND
AP1
DISP1 DISP2
JUMP
CAP
MOTOR
PGF
N
COM-OUT
MOTOR
SWING
RT1
TUBE
N(1)
XT
3
2
OUTDOOR UNIT
FAN
BU
M1
0
YEGN(GN)
PG
BN
AP2
RT2
ROOM
SWING-UD
M2
TUBE ROOM
G
BK
AC-L
TEMP. SENSOR TEMP. SENSOR
0
L
L
L
ELECTRIC BOX
EVAPORATOR
ROOM TUBE
TEMP. SENSOR TEMP. SENSOR
RT1 RT2
ROOM TUBE
COM-OUT
AC-L
BU
XT1
N(1)
2
3
PE
N
DISP1 L1
L1
YEGN(GN)
BN
BK
YEGN(GN)
AP2: MAIN BOARD
JUMP
FAN MOTOR
SWING-UD2 DC-MOTOR
EVAPORATOR ELECTRIC BOX
G
AP1
G
YEGN(GN)
DISP2
TERMINAL
BLOCK
CAP
RECEIVER AND
DISPLAY BOARD
CABLE
MOTOR
STEPPING
MAGNETIC
RING
M
M
OUTDOOR UNIT
N(1)
3
2
BLOCK
TERMINAL
00