Mitsubishi Electric MSZ-GL09NA User manual

SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES································ 2
2. PART NAMES AND FUNCTIONS··················3
3. SPECIFICATION ········································6
4. OUTLINES AND DIMENSIONS·····················8
5. WIRING DIAGRAM···································10
6. REFRIGERANT SYSTEM DIAGRAM···········12
7. SERVICE FUNCTIONS······························13
8. MICROPROCESSOR CONTROL ················15
9. TROUBLESHOOTING·······························23
10. DISASSEMBLY INSTRUCTIONS·················41
No. OBH732
REVISED EDITION-C
Outdoor unit service manual
MUZ-GLNA, MUY-GLNA Series (OBH733)
MXZ-CNA, MXZ-CNAHZ Series (OCH573)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
PARTS CATALOG (OBB732)
MSZ-GL06NA -U1
MSZ-GL09NA -U1
MSZ-GL12NA -U1
MSZ-GL15NA -U1
MSZ-GL18NA -U1
MSZ-GL24NA -U1
Models
MSZ-GL18NA
MSY-GL18NA
INDOOR UNIT
Revision C:
)RUWKHDLUIORZRIMSZ-GL24NA- U1 and MSY-
GL24NA- U1 RQWKHVSHFLILFDWLRQWDEOHKDV
EHHQFRUUHFWHG63(&,),&$7,21
2%+5(9,6('(',7,21$LVYRLG
MSY-GL09NA -U1
MSY-GL12NA -U1
MSY-GL15NA -U1
MSY-GL18NA -U1
MSY-GL24NA -U1


MSZ-GL18NA - U1 MSY-GL18NA - U1
MSZ-GL24NA - U1 MSY-GL24NA - U1
 1HZPRGHO
1TECHNICAL CHANGES
8VHWKHVSHFL¿HGUHIULJHUDQWRQO\
1HYHUXVHDQ\UHIULJHUDQWRWKHUWKDQWKDWVSHFLILHG
'RLQJVRPD\FDXVHDEXUVWDQH[SORVLRQRUILUHZKHQWKHXQLWLVEHLQJXVHGVHUYLFHGRUGLVSRVHGRI
&RUUHFWUHIULJHUDQWLVVSHFLILHGLQWKHPDQXDOVDQGRQWKHVSHFODEHOVSURYLGHGZLWKRXUSURGXFWV
:HZLOOQRWEHKHOGUHVSRQVLEOHIRUPHFKDQLFDOIDLOXUHV\VWHPPDOIXQFWLRQXQLWEUHDNGRZQRUDFFLGHQWVFDXVHGE\
IDLOXUHWRIROORZWKHLQVWUXFWLRQV
Revision A:
MSZ-GL06/09/12/15NA- U1 and MSY-GL09/12/15NA- U1 KDYHEHHQDGGHG
Revision B:
63(&,),&$7,21KDVEHHQFRUUHFWHG
MSZ-GL06NA - U1 MSY-GL09NA - U1
MSZ-GL09NA - U1 MSY-GL12NA - U1
MSZ-GL12NA - U1 MSY-GL15NA - U1
MSZ-GL15NA - U1
 1HZPRGHO
Revision C:
)RUWKHDLUIORZRIMSZ-GL24NA- U1 and MSY-GL24NA- U1 RQWKHVSHFLILFDWLRQWDEOHKDVEHHQFRUUHFWHG
63(&,),&$7,21
OBH732C

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2PART NAMES AND FUNCTIONS
MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA
MSY-GL09NA MSY-GL12NA MSY-GL15NA
Remote controller
Operation indicator lamp
Remote control receiving section
Emergency operation switch
Horizontal vane
Air outlet
Air ¿lter
Air inlet
Heat exchanger
Front panel
Air cleaning ¿lter
(Anti-Allergy Enzyme
Filter)
(Nano platinum ¿lter )
Display section
ACCESSORIES
,QVWDOODWLRQSODWH 1
$WWDFKPHQWVFUHZVIRUWKHLQVWDOODWLRQSODWH
îPP 
Remote controller holder 1
6FUHZVIRU îPP%ODFN 
%DWWHU\$$$IRUUHPRWHFRQWUROOHU 
Wireless remote controller 1
)HOWWDSH)RUOHIWRUOHIWUHDUSLSLQJ 1
$LUFOHDQLQJ¿OWHU 
OBH732C

4
MSZ-GL18NA
MSY-GL18NA
ACCESSORIES
,QVWDOODWLRQSODWH 1
,QVWDOODWLRQSODWH¿[LQJVFUHZîPP 
Remote controller holder 1
)L[LQJVFUHZIRU îPP%ODFN 
%DWWHU\$$$IRUUHPRWHFRQWUROOHU 
Wireless remote controller 1
)HOWWDSH8VHGIRUOHIWRUOHIWUHDUSLSLQJ 1
$LUFOHDQLQJ¿OWHU 
Remote controller
Operation indicator lamp
Remote control receiving section
Emergency operation switch
Horizontal vane
Air outlet
Air ¿lter
Air inlet
Heat exchanger
Front panel
Air cleaning ¿lter
(Anti-Allergy Enzyme
Filter)
(Nano platinum ¿lter )
Display section
OBH732C


Remote controller
Display section
Front panel
Air ¿lter
(Nano platinum filter)
Air inlet
Air cleaning filter
(Electrostatic anti-allergy
enzyme filter)
Air outlet
Horizontal vane
Heat exchanger
Operation indicator lamp
Remote control receiving section
Emergency operation switch
MSZ-GL24NA
MSY-GL24NA
ACCESSORIES
,QVWDOODWLRQSODWH 1
,QVWDOODWLRQSODWH¿[LQJVFUHZîPP 
Remote controller holder 1
)L[LQJVFUHZIRU îPP%ODFN 
%DWWHU\$$$IRUUHPRWHFRQWUROOHU 
Wireless remote controller 1
)HOWWDSH8VHGIRUOHIWRUOHIWUHDUSLSLQJ 1
$LUFOHDQLQJ¿OWHU 
OBH732C

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3SPECIFICATION
,QGRRUPRGHO MSZ-GL15NA
MSY-GL15NA MSZ-GL18NA MSY-GL18NA MSZ-GL24NA MSY-GL24NA
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0LQFLUFXLWDPSDFLW\ $ 
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$LUÀRZ
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/RZ4XLHWGL15/18
3RZHUIXO6XSHU+LJK
+LJK0HG/RZGL24
&22/'U\
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+($7'U\
MSZ&)0
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Moisture removal SWK   
Sound level
6XSHU+LJK+LJK0HG
/RZ4XLHWGL15/18
3RZHUIXO6XSHU+LJK
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)DQVSHHG
6XSHU+LJK+LJK0HG
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3RZHUIXO6XSHU+LJK
+LJK0HG/RZGL24
&RROLQJ rpm
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+HDWLQJ
MSZrpm
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'   
H  
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NOTE7HVWFRQGLWLRQVDUHEDVHGRQ$+5,
,QGRRUPRGHO MSZ-GL06NA MSZ-GL09NA
MSY-GL09NA MSZ-GL12NA MSY-GL12NA
3RZHUVXSSO\ 9SKDVH+] 
0D[IXVHVL]HWLPHGHOD\'LVFRQQHFWVZLWFK $
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Moisture removal SWK – 
Sound level
6XSHU+LJK+LJK0HG
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OBH732C

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0D[LPXPWHPSHUDWXUH    —
Minimum temperature   14 —
0D[LPXPKXPLGLW\  —
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Minimum temperature    
3-1. OPERATING RANGE
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3-2. OUTLET AIR SPEED AND COVERAGE
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WKHXQLWSURSHUO\DWWKH+LJKVSHHGSRVL
tion.
 7KHFRYHUDJHVKRXOGEHXVHGRQO\DVD
JHQHUDOJXLGHOLQHVLQFHLWYDULHVDFFRUG
LQJWRWKHVL]HRIWKHURRPDQGIXUQLWXUH
DUUDQJHGLQVLGHWKHURRP
Model Mode )XQFWLRQ $LUÀRZ
&)0
$LUVSHHG
IWV
&RYHUDJH IW
MSZ-GL06NA
+($7 'U\   
&22/ 'U\   
Wet   
MSZ-GL09NA
MSY-GL09NA
+($7 'U\   
&22/ 'U\   
Wet   
MSZ-GL12NA
MSY-GL12NA
+($7 'U\   
&22/ 'U\   
Wet   
MSZ-GL15NA
MSY-GL15NA
+($7 'U\   
&22/ 'U\   
Wet   
MSZ-GL18NA
MSY-GL18NA
+($7 'U\   
&22/ 'U\   
Wet   
MSZ-GL24NA
MSY-GL24NA
+($7 'U\   
&22/ 'U\   
Wet   
OBH732C


Unit: inch
MSZ-GL18NA
MSY-GL18NA
4OUTLINES AND DIMENSIONS
Piping
Insulation Ø2 O.D
Liquid line Ø5/16 15-3/8 (Flared connection Ø1/4)
Gas line Ø15/32 13-3/8 (Flared connection Ø1/2)
Drain hose
Insulation Ø1-1/8 Connected part Ø5/8 O.D
3/4
6-1/4
2-5/16
2-1/4
2-1/2
9-13/16
3/16
35-13/16
36-5/16
1/4
27-15/16 6-5/16
2-1/16
12
2-9/16
2-13/16
2-1/2
2-9/16
3-11/16
2-1/16
9-7/16
10-5/16
1/8
8-7/8 8-7/8 3-11/16
8-3/4
10-3/8
2-5/16 15-7/8
8-11/16
3-11/16
7/8
1×7/16 Oblong hole
7/16×13/16
Oblong hole
Installation plate
Indoor unit
Wall hole Ø3
Air in
Installation plate
8-1/16
15-3/16
1-5/8
8-11/16
3
1-11/16
2-9/16
2-9/16
4-1/2
5-3/4
1/4
Air out
Piping
Drain hose
3-15/16
MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA
MSY-GL09NA MSY-GL12NA MSY-GL15NA
3LSLQJ
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Gas line ¡
)ODUHGFRQQHFWLRQ¡GL06/09/12NA¡GL15NA
'UDLQKRVH ,QVXODWLRQ¡2'&RQQHFWHGSDUW¡2'
OBH732C


MSZ-GL24NA
MSY-GL24NA Unit: inch
OBH732C


MSZ-GL18NA
MSY-GL18NA
5WIRING DIAGRAM
MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA
MSY-GL09NA MSY-GL12NA MSY-GL15NA
OBH732C

11
MSZ-GL24NA
MSY-GL24NA
OBH732C


MSZ-GL18NA
MSY-GL18NA
Unit: inch (mm)
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Flared connection
Refrigerant pipe ø1/2 (ø12.7)
(with heat insulator)
Refrigerant pipe ø1/4 (ø6.35)
(with heat insulator)
Indoor coil
thermistor
RT12 (main)
Indoor coil
thermistor
RT13 (sub)
Refrigerant flow in cooling
Refrigerant flow in heating
6REFRIGERANT SYSTEM DIAGRAM
MSZ-GL24NA
MSY-GL24NA
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Flared connection
Refrigerant pipe ø5/8 (ø15.88)
(with heat insulator)
Refrigerant pipe ø3/8 (ø9.52)
(with heat insulator)
Indoor coil
thermistor
RT12 (main)
Indoor coil
thermistor
RT13 (sub)
Refrigerant flow in cooling
Refrigerant flow in heating
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Flared connection
Refrigerant pipe ø3/8 (ø9.52) (MSZ-GL06/09/12NA, MSY-GL09/12NA)
ø1/2 (ø12.7) (MSZ-GL15NA, MSY-GL15NA)
(with heat insulator)
Refrigerant pipe ø1/4 (ø6.35)
(with heat insulator)
Indoor coil
thermistor
RT12 (main)
Indoor coil
thermistor
RT13 (sub)
Refrigerant flow in cooling
Refrigerant flow in heating
MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA
MSY-GL09NA MSY-GL12NA MSY-GL15NA
OBH732C


7-1. TIMER SHORT MODE
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7-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION
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,QWKLVFDVHWRRSHUDWHHDFKLQGRRUXQLWLQGLYLGXDOO\E\HDFKUHPRWHFRQWUROOHU3&ERDUGVRIUHPRWHFRQWUROOHUPXVWEH
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5HPRYHEDWWHULHVEHIRUHPRGLILFDWLRQ
7KHERDUGKDVDSULQWDVVKRZQEHORZ
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$IWHUPRGLILFDWLRQSUHVVWKH5(6(7EXWWRQ
NOTE)RUPRGLILFDWLRQWDNHRXWWKHEDWWHULHVDQG
SUHVVWKH672323(5$7(2))21EXWWRQ
RUWLPHVDWILUVW
 $IWHUILQLVKPRGLILFDWLRQSXWEDFNWKHEDWWHULHV
WKHQSUHVVWKH5(6(7EXWWRQ
J2
J1
7DEOH
1 unit operation XQLWVRSHUDWLRQ XQLWVRSHUDWLRQ 4 units operation
1RXQLW 1RPRGL¿FDWLRQ 6DPHDVDWOHIW 6DPHDVDWOHIW 6DPHDVDWOHIW
1RXQLW —6ROGHU- 6DPHDVDWOHIW 6DPHDVDWOHIW
1RXQLW ——6ROGHU- 6DPHDVDWOHIW
1RXQLW ———6ROGHUERWK-DQG-
+RZWRVHWWKHUHPRWHFRQWUROOHUH[FOXVLYHO\IRUSDUWLFXODULQGRRUXQLW
$IWHU\RXWXUQWKHEUHDNHU21WKHILUVWUHPRWHFRQWUROOHUWKDWVHQGVWKHVLJQDOWRWKHLQGRRUXQLWZLOOEHUHJDUGHGDVWKHUHPRWH
FRQWUROOHUIRUWKHLQGRRUXQLW
7KHLQGRRUXQLWZLOORQO\DFFHSWWKHVLJQDOIURPWKHUHPRWHFRQWUROOHUWKDWKDVEHHQDVVLJQHGWRWKHLQGRRUXQLWRQFHWKH\DUH
set.
7KHVHWWLQJZLOOEHFDQFHOOHGLIWKHEUHDNHULVWXUQHG2))RUWKHSRZHUVXSSO\LVVKXWGRZQ
3OHDVHFRQGXFWWKHDERYHVHWWLQJRQFHDJDLQDIWHUWKHSRZHUKDVEHHQUHVWRUHG
7SERVICE FUNCTIONS
MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA MSZ-GL18NA MSZ-GL24NA
MSY-GL09NA MSY-GL12NA MSY-GL15NA MSY-GL18NA MSY-GL24NA
OBH732C

14
NOTE:
7KHRSHUDWLRQVHWWLQJVDUHPHPRUL]HGZKHQVHFRQGVKDYHSDVVHGDIWHUWKHLQGRRUXQLWZDVRSHUDWHGZLWKWKH
remote controller.
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cancelled.
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ZRUNDVWKHSRZHUEXWWRQRIWKHUHPRWHFRQWUROOHULV2))
7RSUHYHQWWKHEUHDNHUIURPWULSSLQJ2))GXHWRWKHUXVKRIVWDUWLQJFXUUHQWV\VWHPDWL]HRWKHUKRPHDSSOLDQFHQRW
WRWXUQ21DWWKHVDPHWLPH
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VWDUWLQJFXUUHQWRIDOOWKHFRPSUHVVRUVPD\IORZVLPXOWDQHRXVO\DWUHVWDUW
 7KHUHIRUHWKHVSHFLDOFRXQWHUPHDVXUHVDUHUHTXLUHGWRSUHYHQWWKHPDLQYROWDJHGURSRUWKHUXVKRIWKHVWDUWLQJ
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7-3. AUTO RESTART FUNCTION
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DUHPHPRUL]HGE\WKHLQGRRUHOHFWURQLFFRQWURO3&ERDUG³$8725(67$57)81&7,21´DXWRPDWLFDOO\VWDUWVRSHUDWLRQ
LQWKHVDPHPRGHMXVWEHIRUHWKHVKXWRIIRIWKHPDLQSRZHU
Operation
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$IWHUWKHSRZHULVUHVWRUHGWKHXQLWUHVWDUWVDXWRPDWLFDOO\DFFRUGLQJWRWKHPHPRU\
 +RZHYHULWWDNHVDWOHDVWPLQXWHVIRUWKHFRPSUHVVRUWRVWDUWUXQQLQJ
How to GLVDEOH “AUTO RESTART FUNCTION”
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&1
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&1
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FRQWURO3&ERDUG
-5
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JR77
Indoor electronic
control P.C. board
CN10ACN111
CN151
CN112
CN110
MSZ-GL24NA
MSY-GL24NA
MSZ-GL18NA
MSY-GL18NA
CN111CN112
CN151
CN10A
Indoor electronic
control P.C. board
JR07
MSZ-GL06/09/12/15NA
MSY-GL09/12/15NA
OBH732C


WIRELESS REMOTE CONTROLLER
NOTE:/DVWVHWWLQJZLOOEHVWRUHGDIWHUWKHXQLWLVWXUQHG2))ZLWKWKHUHPRWHFRQWUROOHU,QGRRUXQLWUHFHLYHVWKHVLJQDORIWKH
UHPRWHFRQWUROOHUZLWKEHHSV
ON TIMER button
CLOCK SET button
TIME SET buttons
FORWARD button
BACKWARD button
OFF TIMER button
RESET button
SMART SET button
VANE CONTROL button
WIDE VANE button
(Vertical vane button)
Signal transmitting section
Operation display section
TEMPERATURE buttons
STOP/OPERATE
(OFF/ON) button
FAN SPEED CONTROL button
OPERATION SELECT button
ECONO COOL button
Indication of
remote controller
model is on back
8MICROPROCESSOR CONTROL
(J06=W\SH
MSZ-GL18NA
MSY-GL18NA
MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA MSZ-GL18NA MSZ-GL24NA
MSY-GL09NA MSY-GL12NA MSY-GL15NA MSY-GL18NA MSY-GL24NA
MSZ-GL06NA MSZ-GL09NA MSZ-GL12NA MSZ-GL15NA
MSY-GL09NA MSY-GL12NA MSY-GL15NA
ON TIMER button
CLOCK SET button
TIME SET buttons
FORWARD button
BACKWARD button
OFF TIMER button
RESET button
SMART SET button
VANE CONTROL button
Signal transmitting section
Operation display section
TEMPERATURE buttons
STOP/OPERATE
(OFF/ON) button FAN SPEED CONTROL button
OPERATION SELECT button
ECONO COOL button
Indication of
remote controller
model is on back
OBH732C


Operation Indicator lamp
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,QGLFDWLRQ 2SHUDWLRQVWDWH Room temperature
7KHXQLWLVRSHUDWLQJWR
reach the set temperature
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DZD\IURPVHWWHPSHUD
ture
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DSSURDFKLQJWKHVHWWHP
perature
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IURPVHWWHPSHUDWXUH
6WDQGE\PRGH
2QO\GXULQJPXOWLV\VWHP
RSHUDWLRQ

INDOOR UNIT DISPLAY SECTION
/LJKWHG
%OLQNLQJ
1RWOLJKWHG
NOTE:/DVWVHWWLQJZLOOEHVWRUHGDIWHUWKHXQLWLVWXUQHG2))ZLWKWKHUHPRWHFRQWUROOHU,QGRRUXQLWUHFHLYHVWKHVLJQDORIWKH
UHPRWHFRQWUROOHUZLWKEHHSV
MSZ-GL24NA
MSY-GL24NA
Signal transmitting section
Operation display section
Indication of
remote controller
model is on back
TEMPERATURE buttons
VANE CONTROL button
(Horizontal vane button)
WIDE VANE button
(Vertical vane button)
ON TIMER button
CLOCK SET button
TIME SET buttons
FORWARD button
BACKWARD button
OFF TIMER button
RESET button
POWERFUL button
STOP/OPERATE
(OFF/ON) button
FAN SPEED CONTROL button
OPERATION SELECT button
ECONO COOL button
OBH732C


8-1. COOL ( ) OPERATION
3UHVV672323(5$7(2))21EXWWRQ
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6HOHFW&22/PRGHZLWK23(5$7,216(/(&7EXWWRQ
3UHVV7(03(5$785(EXWWRQV722:$50RU722&22/EXWWRQWRVHOHFWWKHGHVLUHGWHPSHUDWXUH
 7KHVHWWLQJUDQJHLVa)a&
&RLOIURVWSUHYHQWLRQ
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IURVWLQJ
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7KHLQGRRUIDQRSHUDWHVDWWKHVHWVSHHGDQGWKHFRPSUHVVRUVWRSV7KLVPRGHFRQWLQXHVXQWLOWKHWHPSHUDWXUHRILQGRRU
KHDWH[FKDQJHUULVHV
2. Low outside temperature operation
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8-2. DRY ( ) OPERATION
3UHVV672323(5$7(2))21EXWWRQ
 23(5$7,21,1',&$725ODPSRIWKHLQGRRUXQLWWXUQV21ZLWKDEHHSWRQH
6HOHFW'5<PRGHZLWK23(5$7,216(/(&7EXWWRQ
7KHVHWWHPSHUDWXUHLVGHWHUPLQHGIURPWKHLQLWLDOURRPWHPSHUDWXUH
&RLOIURVWSUHYHQWLRQ
&RLOIURVWSUHYHQWLRQZRUNVWKHVDPHZD\DVWKDWLQWKH&22/PRGH
2. Low outside temperature operation
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8-3. HEAT ( ) OPERATION (MSZ)
3UHVV672323(5$7(2))21EXWWRQ
 23(5$7,21,1',&$725ODPSRIWKHLQGRRUXQLWWXUQV21ZLWKDEHHSWRQH
6HOHFW+($7PRGHZLWK23(5$7,216(/(&7EXWWRQ
3UHVV7(03(5$785(EXWWRQV722:$50RU722&22/EXWWRQWRVHOHFWWKHGHVLUHGWHPSHUDWXUH
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1. Cold air prevention control
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7KHLQGRRUIDQRSHUDWHVIROORZLQJWKHFROGDLUSUHYHQWLRQFRQWURO7KLVPRGHFRQWLQXHVXQWLOWKHWHPSHUDWXUHRILQGRRUKHDW
H[FKDQJHUIDOOV
'HIURVWLQJ
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7KHFRPSUHVVRUVWRSVRQFHWKHLQGRRURXWGRRUIDQVVWRSWKHZD\YDOYHUHYHUVHVDQGWKHFRPSUHVVRUUHVWDUWV
7KLVPRGHFRQWLQXHVXQWLOWKHWHPSHUDWXUHRIRXWGRRUKHDWH[FKDQJHUULVHVRUWKHIL[HGWLPHSDVVHV
8-4. FAN( )OPERATION (MSY)
 3UHVV672323(5$7(2))21EXWWRQ
23(5$7,21,1',&$725ODPSRIWKHLQGRRUXQLWWXUQV21ZLWKDEHHSWRQH
6HOHFW)$1PRGHZLWK23(5$7,216(/(&7EXWWRQ
6HOHFWWKHGHVLUHGIDQVSHHG:KHQ$872LWEHFRPHV/RZ
2QO\LQGRRUIDQRSHUDWHV2XWGRRUXQLWGRHVQRWRSHUDWH
8-5. “I FEEL CONTROL” ( ) OPERATION (MSY)
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WXUQV21ZLWKDEHHSWRQH
6HOHFW³,)((/&21752/´PRGHZLWK23(5$7,216(/(&7EXWWRQ
7KHRSHUDWLRQPRGHLVGHWHUPLQHGE\WKHURRPWHPSHUDWXUHDWVWDUWXSRIWKHRSHUDWLRQ
2QFHWKHPRGHLVIL[HGWKHPRGHGRHVQRWFKDQJHE\URRPWHPSHUDWXUHDIWHUZDUGV
8QGHUWKH217,0(5 RSHUDWLRQPRGHLVGHWHUPLQHGDFFRUGLQJWRWKHURRPWHPSHUDWXUHDWWKHVWDUWXSRIRSHU
ation.
OBH732C


7KHLQLWLDOVHWWHPSHUDWXUHLVGHFLGHGE\WKHLQLWLDOURRPWHPSHUDWXUH
,QLWLDOURRPWHPSHUDWXUH Model ,QLWLDOVHWWHPSHUDWXUH
)& or more
&22/PRGHRI
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/HVVWKDQ)& '5<PRGHRI
,)((/&21752/ ,QLWLDOURRPWHPSHUDWXUHPLQXV)&
7(03(5$785(EXWWRQV
,Q³,)((/&21752/´ PRGHVHWWHPSHUDWXUHLVGHFLGHGE\WKHPLFURSURFHVVRUEDVHGRQWKHURRPWHPSHUDWXUH
,QDGGLWLRQVHWWHPSHUDWXUHFDQEHFRQWUROOHGE\722:$50RU722&22/EXWWRQVZKHQ\RXIHHOWRRFRRORUWRR
ZDUP
(DFKWLPHWKH722:$50RU722&22/EXWWRQLVSUHVVHGWKHLQGRRUXQLWUHFHLYHVWKHVLJQDODQGHPLWVDEHHSWRQH
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,Q'5<PRGHRI³,)((/&21752/´WKHVHWWHPSHUDWXUHGRHVQRWFKDQJH
TOO
COOL
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TOO
WARM
…7RORZHUWKHVHWWHPSHUDWXUHa)a&
$872&+$1*(29(5ÂÂÂ$87202'(23(5$7,2106=
2QFHGHVLUHGWHPSHUDWXUHLVVHWXQLWRSHUDWLRQLVVZLWFKHGDXWRPDWLFDOO\EHWZHHQ&22/DQG+($7RSHUDWLRQ
Mode selection
,QLWLDOPRGH
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 ,IWKHURRPWHPSHUDWXUHLVHTXDOWRRUORZHUWKDQWKHVHWWHPSHUDWXUHRSHUDWLRQVWDUWVLQ+($7PRGH
0RGHFKDQJH
&22/PRGHFKDQJHVWR+($7PRGHZKHQDERXWPLQXWHVKDYHSDVVHGZLWKWKHURRPWHPSHUDWXUH)&EHORZ
the set temperature.
+($7PRGHFKDQJHVWR&22/PRGHZKHQDERXWPLQXWHVKDYHSDVVHGZLWKWKHURRPWHPSHUDWXUH)&DERYH
the set temperature.
NOTE 1
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$872FDQQRWFKDQJHRYHUWRWKHRWKHURSHUDWLQJPRGH&22/ļ+($7(MSZ)DQGEHFRPHVDVWDWHRIVWDQGE\
5HIHUWRNOTE 2 "FOR MULTI SYSTEM AIR CONDITIONER".
NOTE 2
FOR MULTI SYSTEM AIR CONDITIONER
OUTDOOR UNIT: MXZ series
0XOWLV\VWHPDLUFRQGLWLRQHUFDQFRQQHFWRUPRUHLQGRRUXQLWVZLWKRXWGRRUXQLW
:KHQ\RXWU\WRRSHUDWHRUPRUHLQGRRUXQLWVZLWKRXWGRRUXQLWVLPXOWDQHRXVO\IRUWKHFRROLQJDQGWKHRWK
HUVIRUKHDWLQJWKHRSHUDWLRQPRGHRIWKHLQGRRUXQLWWKDWRSHUDWHVILUVWLVVHOHFWHG2WKHULQGRRUXQLWVFDQQRW
RSHUDWHDQGRSHUDWLRQLQGLFDWRUODPSIODVKHVDVVKRZQLQWKHILJXUHEHORZ,QWKLVFDVHSOHDVHVHWDOOWKHLQGRRU
units to the same operation mode.
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PLQXWHVWREORZRXWWKHZDUPDLU
,QWKHKHDWLQJRSHUDWLRQWKRXJKLQGRRUXQLWWKDWGRHVQRWRSHUDWHPD\JHWZDUPRUWKHVRXQGRIUHIULJHUDQWIORZ
LQJPD\EHKHDUGWKH\DUHQRWPDOIXQFWLRQ7KHUHDVRQLVWKDWWKHUHIULJHUDQWFRQWLQXRXVO\IORZVLQWRLW
/LJKWHG
%OLQNLQJ
1RWOLJKWHG
<Operation indicator lamp>
OBH732C


8-7. AUTO VANE OPERATION
1. Horizontal vane
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2. Vertical vane (MSZ-GL18/24NA MSY-GL18/24NA)
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8-8. TIMER OPERATION
1. How to set the time
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How to set the current time
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2. To release the timer
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