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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tion.
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Model Mode )XQFWLRQ $LUÀRZ
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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
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Gas line ¡
)ODUHGFRQQHFWLRQ¡GL06/09/12NA¡GL15NA
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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