Mitsubishi Electric MS-GF50VA User manual

Required Tools for Installation
Phillips screwdriver
Level
Scale
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75 mm hole saw
Torque wrench
Wrench (or spanner)
4 mm hexagonal wrench
Flare tool for R410A
Gauge manifold for R410A
Vacuum pump for R410A
Charge hose for R410A
Pipe cutter with reamer
INDOOR UNIT
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• Where cool air spreads over the entire room.
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•
Where it is not exposed to direct sunshine. Do not expose to direct
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descent lights.
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REMOTE CONTROLLER
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• Where children cannot touch it.
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VLJQDOVIURPWKHUHPRWHFRQWUROOHUDUHVXUHO\UHFHLYHGE\WKH
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pillar or wall and install wireless remote controller.
Note:
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VLJQDOIURPWKHZLUHOHVVUHPRWHFRQWUROOHUPD\QRWEHUHFHLYHG
OUTDOOR UNIT
• Where it is not exposed to strong wind.
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 :KHUHUDLQRUGLUHFWVXQOLJKWFDQEHDYRLGHGDVPXFKDVSRV-
VLEOH
 :KHUHQHLJKERXUVDUHQRWDQQR\HGE\RSHUDWLRQVRXQGRUKRW
air.
 :KHUHULJLGZDOORUVXSSRUWLVDYDLODEOHWRSUHYHQWWKHLQFUHDVH
RIRSHUDWLRQVRXQGRUYLEUDWLRQ
 :KHUHWKHUHLVQRULVNRIFRPEXVWLEOHJDVOHDNDJH
 :KHQLQVWDOOLQJWKHXQLWDWDKLJKOHYHOEHVXUHWRVHFXUHWKH
unit legs.
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RU79UHFHSWLRQLQDUHDVZKHUHUHFHSWLRQLVZHDN$QDPSOL¿HU
PD\EHUHTXLUHGIRUWKHDIIHFWHGGHYLFH
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Note:
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1. BEFORE INSTALLATION
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
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 $IWHUUHDGLQJWKLVPDQXDOEHVXUHWRNHHSLWWRJHWKHUZLWKWKH23(5$7,1*,16758&7,216IRUIXWXUHUHIHUHQFH
CAUTION
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WARNING &RXOGOHDGWRGHDWKVHULRXVLQMXU\HWF
■Do not install the unit by yourself (user).
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IURPZKRP\RXSXUFKDVHGWKHXQLWRUDTXDOL¿HGLQVWDOOHU
■Perform the installation securely referring to the installa-
tion manual.
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GXHWRWKHXQLWIDOOLQJRUOHDNDJHRIZDWHU
■When installing the unit, use appropriate protective equip-
ment and tools for safety.
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■Install the unit securely in a place which can bear the
weight of the unit.
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WKHXQLWFRXOGIDOOFDXVLQJLQMXU\
■ Electrical work should be performed by a quali¿ed, e[pe-
rienced electrician, according to the installation manual.
Be sure to use an e[clusive circuit. Do not connect other
electrical appliances to the circuit.
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LQFRPSOHWHHOHFWULFDOZRUNLWFRXOGUHVXOWLQD¿UHRUDQHOHFWULF
VKRFN
■Earth the unit correctly.
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URGRUWHOHSKRQHHDUWK'HIHFWLYHHDUWKLQJFRXOGFDXVHHOHFWULF
VKRFN
■ Do not damage the wires by applying e[cessive pressure
with parts or screws.
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■ Be sure to cut off the main power in case of setting up the
indoor P.C. board or wiring works.
 )DLOXUHWRGRVRFRXOGFDXVHHOHFWULFVKRFN
■Use the speci¿ed wires to connect the indoor and outdoor
units securely and attach the wires ¿rmly to the terminal
block connecting sections so the stress of the wires is
not applied to the sections. Do not e[tend the wires, or
use intermediate connection.
 ,QFRPSOHWHFRQQHFWLQJDQGVHFXULQJFRXOGFDXVH¿UH
■ Do not install the unit in a place where inÀammable gas
may leak.
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could cause an explosion.
■Do not use intermediate connection of the power cord or
the e[tension cord and do not connect many devices to
one AC outlet.
 ,WFRXOGFDXVHD¿UHRUDQHOHFWULFVKRFNGXHWRGHIHFWLYHFRQ-
WDFWGHIHFWLYHLQVXODWLRQH[FHHGLQJWKHSHUPLVVLEOHFXUUHQW
etc.
■ Be sure to use the parts provided or speci¿ed parts for
the installation work.
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RIZDWHUGXHWRD¿UHDQHOHFWULFVKRFNWKHXQLWIDOOLQJHWF
■ When plugging the power supply plug into the outlet,
make sure that there is no dust, clogging, or loose parts
in both the outlet and the plug. Make sure that the power
supply plug is pushed completely into the outlet.
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SOXJRUWKHRXWOHWLWFRXOGFDXVHHOHFWULFVKRFNRU¿UH,IORRVH
SDUWVDUHIRXQGRQWKHSRZHUVXSSO\SOXJUHSODFHLW
■ Attach the electrical cover to the indoor unit and the
service panel to the outdoor unit securely.
If the electrical cover of the indoor unit and/or the service panel
RIWKHRXWGRRUXQLWDUHQRWDWWDFKHGVHFXUHO\LWFRXOGUHVXOWLQ
D¿UHRUDQHOHFWULFVKRFNGXHWRGXVWZDWHUHWF
■ When installing, relocating, or servicing the unit, make
sure that no substance other than the speci¿ed refrigerant
(R410A) enters the refrigerant circuit.
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DEQRUPDOSUHVVXUHULVHDQGPD\UHVXOWLQH[SORVLRQRULQMXU\
7KHXVH RI DQ\ UHIULJHUDQW RWKHU WKDQ WKDWVSHFL¿HG IRU WKH
V\VWHPZLOOFDXVHPHFKDQLFDOIDLOXUHV\VWHPPDOIXQFWLRQRU
XQLWEUHDNGRZQ,QWKHZRUVWFDVHWKLVFRXOGOHDGWRDVHULRXV
LPSHGLPHQWWRVHFXULQJSURGXFWVDIHW\
■ Do not discharge the refrigerant into the atmosphere. If
refrigerant leaks during installation, ventilate the room.
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EH JHQHUDWHG 5HIULJHUDQW OHDNDJH PD\ FDXVH VXIIRFDWLRQ
Provide ventilation in accordance with EN378-1.
■ Check that the refrigerant gas does not leak after instal-
lation has been completed.
 ,IUHIULJHUDQWJDVOHDNVLQGRRUVDQGFRPHVLQWRFRQWDFWZLWK
WKHÀDPHRIDIDQKHDWHUVSDFHKHDWHUVWRYHHWFKDUPIXO
VXEVWDQFHVZLOOEHJHQHUDWHG
■ Use appropriate tools and piping materials for installation.
The pressure of R410A is 1.6 times more than R22. Not using
appropriate tools or materials and incomplete installation could
FDXVHWKHSLSHVWREXUVWRULQMXU\
■ When pumping down the refrigerant, stop the compressor
before disconnecting the refrigerant pipes.
If the refrigerant pipes are disconnected while the compres-
VRULVUXQQLQJDQGWKHVWRSYDOYHLVRSHQDLUFRXOGEHGUDZQ
LQDQGWKHSUHVVXUHLQWKHUHIULJHUDWLRQF\FOHFRXOGEHFRPH
DEQRUPDOO\KLJK7KLVFRXOGFDXVHWKHSLSHVWREXUVWRULQMXU\
■ When installing the unit, securely connect the refrigerant
pipes before starting the compressor.
 ,IWKHFRPSUHVVRULVVWDUWHGEHIRUHWKHUHIULJHUDQWSLSHVDUH
FRQQHFWHGDQGZKHQWKHVWRSYDOYHLVRSHQDLUFRXOGEHGUDZQ
LQDQGWKHSUHVVXUHLQWKHUHIULJHUDWLRQF\FOHFRXOGEHFRPH
DEQRUPDOO\KLJK7KLVFRXOGFDXVHWKHSLSHVWREXUVWRULQMXU\
■ Fasten a Àare nut with a torque wrench as speci¿ed in
this manual.
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DQGFDXVHUHIULJHUDQWOHDNDJH
■ The unit shall be installed in accordance with national
wiring regulations.
■Install an earth leakage breaker depending on the instal-
lation place.
 ,I DQ HDUWK OHDNDJH EUHDNHU LV QRW LQVWDOOHG LW FRXOG FDXVH
HOHFWULFVKRFN
■Perform the drainage/piping work securely according to
the installation manual.
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IURPWKHXQLWVRDNLQJDQGGDPDJLQJKRXVHKROGJRRGV
■Do not touch the air inlet or the aluminum ¿ns of the
outdoor unit.
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■Do not install the outdoor unit where small animals may
live.
If small animals enter and touch the electric parts inside the
XQLW LW FRXOG FDXVH D PDOIXQFWLRQ VPRNH HPLVVLRQ RU ¿UH
$OVRDGYLVHXVHUWRNHHSWKHDUHDDURXQGWKHXQLWFOHDQ
1-2. SELECTING THE INSTALLATION LOCATION
Note:
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EHVXUHWRIROORZWKHLQVWUXFWLRQVGHVFULEHGEHORZ
• Never install the outdoor unit in a place where its air inlet/
RXWOHWVLGHPD\EHH[SRVHGGLUHFWO\WRZLQG
 7RSUHYHQWH[SRVXUHWRZLQGLQVWDOOWKHRXWGRRUXQLWZLWKLWV
air inlet side facing the wall.
 7RSUHYHQWH[SRVXUHWRZLQGLWLVUHFRPPHQGHGWRLQVWDOOD
EDIÀHERDUGRQWKHDLURXWOHWVLGHRIWKHRXWGRRUXQLW
Avoid the following places for installation where air conditioner
WURXEOHLVOLDEOHWRRFFXU
 :KHUHÀDPPDEOHJDVFRXOGOHDN
• Where there is much machine oil.
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VPRNHVXFKDVFRRNLQJDUHDVDQGIDFWRULHVLQZKLFKWKH
SURSHUWLHVRISODVWLFFRXOGEHFKDQJHGDQGGDPDJHG
 6DOW\SODFHVVXFKDVWKHVHDVLGH
 :KHUHVXO¿GHJDVLVJHQHUDWHGVXFKDVDKRWVSULQJ
 :KHUHWKHUHLVKLJKIUHTXHQF\RUZLUHOHVVHTXLSPHQW
 :KHUHWKHUHLVHPLVVLRQRIKLJKOHYHOVRI92&VLQFOXGLQJ
SKWKDODWHFRPSRXQGVIRUPDOGHK\GHHWFZKLFKPD\FDXVH
FKHPLFDOFUDFNLQJ
1-3. SPECIFICATIONS
*1 Connect to the power switch which has a gap of 3 mm or more
when open to interrupt the source power phase. (When the
SRZHUVZLWFKLVVKXWRIILWPXVWLQWHUUXSWDOOSKDVHV
8VHZLUHVLQFRQIRUPLW\ZLWKGHVLJQ,(&
1HYHUXVHSLSHVZLWKWKLFNQHVVOHVVWKDQVSHFL¿HG7KHSUHV-
VXUHUHVLVWDQFHZLOOEHLQVXI¿FLHQW
8VHDFRSSHUSLSHRUDFRSSHUDOOR\VHDPOHVVSLSH
%HFDUHIXOQRWWRFUXVKRUEHQGWKHSLSHGXULQJSLSHEHQGLQJ
5HIULJHUDQWSLSHEHQGLQJUDGLXVPXVWEHPPRUPRUH
,ISLSHOHQJWKH[FHHGVP DGGLWLRQDO UHIULJHUDQW 5$
charge is required. (No additional charge is required for pipe
length less than 7.5 m.)
 $GGLWLRQDOUHIULJHUDQW $îSLSHOHQJWKP±
,QVXODWLRQPDWHULDO+HDWUHVLVWLQJIRDPSODVWLFVSHFL¿F
JUDYLW\
%HVXUHWRXVHWKHLQVXODWLRQRIVSHFL¿HGWKLFNQHVV([FHVVLYH
WKLFNQHVVPD\FDXVHLQFRUUHFWLQVWDOODWLRQRIWKHLQGRRUXQLWDQG
LQVXI¿FLHQWWKLFNQHVVPD\FDXVHGHZGULSSDJH
*)*)
Pipe length and height difference
0D[SLSHOHQJWK 30 m
0D[KHLJKWGLIIHUHQFH 10/15 m
0D[QXPEHURIEHQGV 10
5HIULJHUDQWDGMXVWPHQW$ 20 g/m
,QVXODWLRQWKLFNQHVV 8 mm
0RGHO 3RZHUVXSSO\ :LUHVSHFL¿FDWLRQV Pipe size
WKLFNQHVV
Indoor unit Outdoor unit Rated Volt-
age )UHTXHQF\ %UHDNHU
FDSDFLW\ 3RZHUVXSSO\ Indoor/outdoor
connecting wire Gas / Liquid
06*)9$ 08*)9$
230 V +]
15 A
3-core
2.5 mm2
4-core
1.0 mm2
ø12.7 / 6.35 mm
(0.8 mm)
06*)9$ 08*)9$ 20 A ø15.88 / 6.35 mm
(1.0 / 0.8 mm)
06*)9$ 08*)9$ 25 A ø15.88 / 9.52 mm
(1.0 / 0.8 mm)
-*-+
Model names are indicated in 1-3.
63/,77<3($,5&21',7,21(56
INSTALLATION MANUAL
ENGLISH
English is
original.

Indoor unit
Wall hole
sleeve (C)
Cut off the
extra length.
3LSH¿[LQJEDQG
(E)
Be sure to use wall hole
sleeve (C) to prevent in-
door/outdoor connecting
wire (A) from contacting
metal parts in the wall
DQGWRSUHYHQWGDPDJHE\
rodents in case the wall
is hollow.
Wall hole cover (D)
Seal the wall hole
JDSZLWKSXWW\+
Fix the pipe to wall
ZLWKSLSH¿[LQJ
EDQG(
Fixing screw
(F)
Installation plate (1)
Center of
ø 75 mm hole
140 mm
or more
149 mm
or more
55 mm or more
118 mm or more for left and left
EDFNSLSLQJXVLQJVSDFHU
Ceiling
Wall Wall
Fixing screw (2)
* Same for left hole.
Insert
the
scale. *
Align the
scale with
the line. *
100 mm
2-1. FIXING OF INSTALLATION PLATE
 )LQGDVWUXFWXUDOPDWHULDOVXFKDVDVWXGLQWKHZDOODQG¿[LQVWDOODWLRQSODWHKRUL-
]RQWDOO\E\WLJKWHQLQJWKH¿[LQJVFUHZV¿UPO\
 7RSUHYHQWLQVWDOODWLRQSODWHIURPYLEUDWLQJEHVXUHWRLQVWDOOWKH¿[LQJVFUHZVLQWKH
KROHVLQGLFDWHGLQWKHLOOXVWUDWLRQ)RUDGGHGVXSSRUW¿[LQJVFUHZVPD\DOVREHLQVWDOOHG
in other holes.
 :KHQWKHNQRFNRXWLVUHPRYHGDSSO\YLQ\OWDSHWRWKHNQRFNRXWHGJHVWRSUHYHQWGDPDJ-
ing the wires.
 :KHQEROWVUHFHVVHGLQWKHFRQFUHWHZDOODUHWREHXWLOL]HGVHFXUHLQVWDOODWLRQSODWH
using 11 × 20 · 11 × 26 oval hole (450 mm pitch).
 ,IWKHUHFHVVHGEROWLVWRRORQJFKDQJHLWIRUDVKRUWHURQHDYDLODEOHLQWKHPDUNHW
2-2. WALL HOLE DRILLING
1) Determine the wall hole position.
'ULOO D ¡  PP KROH 7KH RXWGRRU VLGH VKRXOG EH
5 to 7 mm lower than the indoor side.
3) Insert wall hole sleeve (C).
ACCESSORIES
&KHFNWKHIROORZLQJSDUWVEHIRUHLQVWDOODWLRQ
<Indoor unit>
(1) Installation plate 1
(2) ,QVWDOODWLRQSODWH¿[LQJVFUHZ
4 × 25 mm 7
(3) Remote controller holder 1
(4) Fixing screw for (3)
3.5îPP%ODFN 2
(5) %DWWHU\$$$IRU 2
(6) Wireless remote controller 1
(7) Felt tape
(For left or left-rear piping) 1
PARTS TO BE PROVIDED
AT YOUR SITE
(A) Indoor/outdoor unit connecting wire*1 1
(B) Extension pipe 1
(C) Wall hole sleeve 1
(D) Wall hole cover 1
(E) 3LSH¿[LQJEDQG 2 to 5
(F) Fixing screw for (E) 4 × 20 mm 2 to 5
(G) Piping tape 1
+ 3XWW\ 1
(I)
Drain hose
RUVRIW39&KRVHPPLQQHU
diameter or hard PVC pipe VP16)
1 or 2
(J) Refrigeration oil 1
(K) 3RZHUVXSSO\FRUG 1
Liquid pipe
Gas pipe
Felt tape (7)
Indoor/outdoor unit
connecting wire (A)
Piping tape (G)
Level
Note:
*1 Place indoor/outdoor unit connecting wire (A)
DQGSRZHUVXSSO\FRUG.DWOHDVWPDZD\
from the TV antenna wire.
140 mm
or more
149 mm or
more
55 mm or
more/ 118 mm or
more for left and
OHIWEDFNSLSLQJ
(using spacer)
12 mm or more
1-4. INSTALLATION DIAGRAM
8QLWVVKRXOGEHLQVWDOOHGE\OLFHQVHGFRQWUDFWRU
according to local code requirements.
Appearance of the outdoor unit and wireless
UHPRWHFRQWUROOHUPD\GLIIHUIURPVRPHPRGHOV
,QGRRUWHUPLQDOEORFN
Indoor/outdoor
unit connecting
wire (A)
2XWGRRUWHUPLQDOEORFN
Earth wire
JUHHQ\HOORZ
2NL
2NL
 )RUIXWXUHVHUYLFLQJJLYHH[WUDOHQJWKWRWKHFRQ-
necting wires.
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than 60 mm)
 'RQRWIROGWKHH[FHVVZLUHRUFUDPLWLQWRVPDOO
VSDFH7DNHFDXWLRQQRWWRGDPDJHWKHZLUHV
• Be sure to attach each screw to its correspondent
terminal when securing the cord and/or the wire
WRWKHWHUPLQDOEORFN
Note: 'RQRWSODFHWKHZLUHVEHWZHHQWKHLQGRRU
unit and the installation plate (1). Damaged wire
FRXOGFDXVHKHDWJHQHUDWLRQRU¿UH
Wall
Outdoor
side
ø 75 mm 5-7 mm
7HUPLQDOEORFN
Fixing screw
Indoor/outdoor unit
connecting wire (A)
VA clamp
Lead wire
15 mm
35 mm
Air inlet
Air outlet
Outdoor unit installation
(GF50/GF60, 80)
2/4-10 mm × 21 mm slot
800/840 mm
150/175
mm
500 mm
344.5/390 mm
285/330 mm
304-325/
349-371 mm
40 mm
2-4. PIPE FORMING AND DRAIN PIPING
Pipe Forming
 3ODFHWKHGUDLQKRVHEHORZWKHUHIULJHUDQWSLSLQJ
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 'RQRWSXOOWKHKRVHZKHQDSSO\LQJWKHWDSH
 :KHQ WKH GUDLQ KRVH SDVVHV WKH URRP EH VXUH WR ZUDS
LQVXODWLRQPDWHULDOREWDLQDEOHDWDVWRUHDURXQGLW
:KHQ WKH SLSLQJ LV WR EH
attached to a wall containing
metals (tin plated) or metal
QHWWLQJ XVH D FKHPLFDOO\
treated wooden piece 20 mm
RU WKLFNHU EHWZHHQ WKH ZDOO
and the piping or wrap 7 to 8
WXUQVRILQVXODWLRQYLQ\OWDSH
around the piping.
7RXVHH[LVWLQJSLSLQJSHU-
form COOL operation for
30 minutes and pump down
EHIRUH UHPRYLQJ WKH ROG DLU
FRQGLWLRQHU 5HPDNH IODUH
according to the dimension
for new refrigerant.
350 mm or
more
*)
100 mm
or more
100 mm
or more
*)
clear *2
200/500 mm *3
or more
*2 100/500 mm or more when
front and sides of unit are clear
*4
*4
:KHQDQ\VLGHVRIOHIWULJKWDQGUHDURIXQLWDUHFOHDU
7KHPDQXIDFWXULQJ\HDUDQGPRQWKLVLQGLFDWHGRQWKHVSHF
name plate.
2-3. CONNECTING WIRES FOR INDOOR UNIT
<RXFDQFRQQHFWLQGRRURXWGRRUOHDGZLUHZLWKRXWUHPRYLQJWKHIURQWSDQHO
1) Open the front panel.
2) Remove VA clamp.
3DVVLQGRRURXWGRRUXQLWFRQQHFWLQJZLUH$IURPWKHEDFNRIWKHLQGRRUXQLWDQGSURFHVV
the end of the wire.
/RRVHQWHUPLQDOVFUHZDQGFRQQHFW¿UVWWKHHDUWKZLUHWKHQLQGRRURXWGRRUXQLWFRQQHFW-
LQJZLUH$WRWKHWHUPLQDOEORFN%HFDUHIXOQRWWRPDNHPLVZLULQJ)L[WKHZLUHWRWKH
WHUPLQDOEORFNVHFXUHO\VRWKDWQRSDUWRILWVFRUHLVDSSHDUHGDQGQRH[WHUQDOIRUFHLV
FRQYH\HGWRWKHFRQQHFWLQJVHFWLRQRIWKHWHUPLQDOEORFN
)LUPO\WLJKWHQWKHWHUPLQDOVFUHZVWRSUHYHQWWKHPIURPORRVHQLQJ$IWHUWLJKWHQLQJSXOO
WKHZLUHVOLJKWO\WRFRQ¿UPWKDWWKH\GRQRWPRYH
6) Secure indoor/outdoor unit connecting wire (A) and the earth wire with the VA clamp.
1HYHUIDLOWRKRRNWKHOHIWFODZRIWKH9$FODPS$WWDFKWKH9$FODPSVHFXUHO\
2. INDOOR UNIT INSTALLATION
$IWHU WKH OHDN WHVW DSSO\
LQVXODWLQJPDWHULDOWLJKWO\VR
that there is no gap.

Cord clamp
Left or left-rear piping
Note:
Be sure to reattach the drain
hose and the drain cap in case
of left or left-rear piping.
2WKHUZLVHLWFRXOGFDXVHGURSV
of water to drip down from the
drain hose.
3XWWKHUHIULJHUDQWSLSLQJDQGWKHGUDLQKRVHWRJHWKHU
WKHQ¿UPO\DSSO\IHOWWDSHIURPWKHHQG
 )HOWWDSHRYHUODSZLGWKVKRXOGEHWKHWDSHZLGWK
8VHDEDQGDJHVWRSSHUDWWKHHQGRIIHOWWDSH
2) Pull out the drain cap at the rear right of the indoor unit.
(Fig. 1)
 +ROGWKHFRQYH[VHFWLRQDWWKHHQGDQGSXOOWKHGUDLQ
cap.
3) Pull out the drain hose at the rear left of the indoor unit.
(Fig. 2)
 +ROGWKHFODZPDUNHGE\WKHDUURZVDQGSXOORXWWKH
drain hose forward.
4) Put the drain cap into the section to which the drain
KRVH LV WR EH DWWDFKHG DW WKH UHDU RI WKH LQGRRU XQLW
(Fig. 3)
• Insert not sharp-edged tools such as screwdrivers into
WKHKROHDWWKHHQGRIWKHFDSDQGLQVHUWWKHFDSIXOO\
into the drain pan.
,QVHUWWKHGUDLQKRVHIXOO\LQWRWKHGUDLQSDQDWWKHUHDU
right of the indoor unit. (Fig. 4)
 &KHFNLIWKHKRVHLVKRRNHGVHFXUHO\WRWKHSURMHFWLRQ
of its inserting part at the drain pan.
,QVHUWWKHGUDLQKRVHLQWRZDOOKROHVOHHYH&DQGKRRN
the upper part of indoor unit on installation plate (1).
7KHQPRYHWKHLQGRRUXQLWFRPSOHWHO\WRWKHOHIWLQRUGHU
WRPDNHSODFLQJWKHSLSLQJLQWKHEDFNVSDFHRIWKHXQLW
easier.
&XWRXWDSLHFHRIFDUGERDUGIURPWKHVKLSSLQJER[UROO
LWXSKRRNLWRQWRWKHEDFNULEDQGXVHLWDVDVSDFHUWR
lift the indoor unit. (Fig. 5)
8)
Connect the refrigerant piping with the extension pipe (B).
9) Thrust the lower part of the indoor unit into the installation
plate (1).
3-2. FLARING WORK
&XW WKH FRSSHU SLSH FRUUHFWO\ ZLWK SLSH FXWWHU
)LJ
&RPSOHWHO\UHPRYHDOOEXUUVIURPWKHFXWFURVVVHFWLRQ
of pipe. (Fig. 3)
• Put the end of the copper pipe to downward direction
DV\RXUHPRYHEXUUVLQRUGHUWRDYRLGWROHWEXUUVGURS
in the piping.
5HPRYHÀDUHQXWVDWWDFKHGWRLQGRRUDQGRXWGRRUXQLWV
WKHQSXWWKHPRQSLSHKDYLQJFRPSOHWHGEXUUUHPRYDO
1RWSRVVLEOHWRSXWWKHPRQDIWHUÀDULQJZRUN
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GLPHQVLRQVKRZQLQWKHWDEOH6HOHFW$PPIURPWKH
WDEOHDFFRUGLQJWRWKHWRRO\RXXVH
&KHFN
 &RPSDUHWKHÀDUHGZRUNZLWK)LJ
 ,IÀDUHLVQRWHGWREHGHIHFWLYHFXWRIIWKHÀDUHGVHF-
WLRQDQGGRÀDULQJZRUNDJDLQ
3-3. PIPE CONNECTION
 )DVWHQÀDUHQXWZLWKDWRUTXHZUHQFKDVVSHFL¿HGLQWKHWDEOH
•
:KHQIDVWHQHGWRRWLJKWÀDUHQXWPD\EUHDNDIWHUDORQJSHULRGDQGFDXVHUHIULJHUDQWOHDNDJH
• %HVXUHWRZUDSLQVXODWLRQDURXQGWKHSLSLQJ'LUHFWFRQWDFWZLWKWKHEDUHSLSLQJPD\UHVXOW
LQEXUQVRUIURVWELWH
Indoor unit connection
&RQQHFWERWKOLTXLGDQGJDVSLSLQJVWRLQGRRUXQLW
 $SSO\DWKLQFRDWRIUHIULJHUDWLRQRLO-RQWKHÀDUHGHQGVRIWKHSLSHV'RQRWDSSO\UHIULJHUD-
tion oil on screw threads. Excessive tightening torque will result in damage on the screw.
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 8VHWLJKWHQLQJWRUTXHWDEOHDERYHDVDJXLGHOLQHIRULQGRRUXQLWVLGHXQLRQMRLQWVHFWLRQDQG
WLJKWHQXVLQJWZRZUHQFKHV([FHVVLYHWLJKWHQLQJGDPDJHVWKHÀDUHVHFWLRQ
Outdoor unit connection
&RQQHFWSLSHVWRVWRSYDOYHSLSHMRLQWRIWKHRXWGRRUXQLWLQWKH
same manner applied for indoor unit.
 )RUWLJKWHQLQJXVHDWRUTXHZUHQFKRUVSDQQHUDQGXVHWKH
same tightening torque applied for indoor unit.
Rear, right, or downward piping
1) Put the refrigerant piping and the drain hose
WRJHWKHUWKHQ¿UPO\DSSO\SLSLQJWDSH*IURP
the end.
2) Insert the piping and the drain hose into the wall
KROHVOHHYH&DQGKRRNWKHXSSHUSDUWRIWKH
indoor unit on the installation plate (1).
&KHFNLIWKHLQGRRUXQLWLVKRRNHGVHFXUHO\RQWKHLQVWDOODWLRQSODWHE\PRYLQJ
the unit to left and right.
4) Thrust the lower part of the indoor unit into the installation plate (1).
Drain Piping
 ,IWKHH[WHQVLRQGUDLQKRVHKDVWRSDVVWKURXJKDURRPEHVXUHWRZUDSLWZLWKFRP-
PHUFLDOO\VROGLQVXODWLRQ
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 ,IWKHGUDLQKRVHSURYLGHGZLWKWKHLQGRRUXQLWLVWRRVKRUWFRQQHFWLWZLWKGUDLQKRVH
,WKDWVKRXOGEHSURYLGHGDW\RXUVLWH)LJ
 :KHQFRQQHFWLQJWKHGUDLQKRVHWRWKHKDUGYLQ\OFKORULGHSLSHEHVXUHWRLQVHUWLW
VHFXUHO\LQWRWKHSLSH)LJ
'RQRWPDNHGUDLQSLSLQJDVVKRZQEHORZ
Do not raise Accumulated
drain water
Air
Waving
Water
OHDNDJH
Water
OHDNDJH
Water
OHDNDJH
Tip of drain
hose dipped
in water
Ditch
At least
50 mm
gap
Cut off in case of
right piping.
Cut off in case of
downward piping.
Copper
pipe
Good
Tilted Uneven Burred
No good
Fig. 1
Fig. 2
Smooth all
around
Even length
all around
Inside is shin-
LQJZLWKRXWDQ\
scratches.
Flare nut
Die
Fig. 5 Fig. 6
Downward
slope
Drain
hose
Soft hose
I.D. 15 mm
Drain hose
+DUGYLQ\OFKORULGH
pipe I.D. 30 mm
Insert
VHFXUHO\
Different
diameter
MRLQW
70 cm or
more
Fig. 1 Fig. 2 Fig. 3
Drain cap
Drain cap
Drain hose
Cut off in case of left
piping.
Drain cap
Piping tape (G)
Drain hose
Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Felt tape (7)
Copper pipe
3-1. CONNECTING WIRES FOR OUTDOOR UNIT
1) Open the service panel.
/RRVHQ WHUPLQDO VFUHZ DQG FRQQHFW LQGRRURXWGRRU XQLW FRQQHFWLQJ ZLUH $ IURP
WKHLQGRRUXQLWFRUUHFWO\RQWKHWHUPLQDOEORFN%HFDUHIXOQRWWRPDNHPLVZLULQJ)L[
WKHZLUHWRWKHWHUPLQDOEORFNVHFXUHO\VRWKDWQRSDUWRILWVFRUHLVDSSHDUHGDQGQR
H[WHUQDOIRUFHLVFRQYH\HGWRWKHFRQQHFWLQJVHFWLRQRIWKHWHUPLQDOEORFN
)LUPO\WLJKWHQWKHWHUPLQDOVFUHZVWRSUHYHQWWKHPIURPORRVHQLQJ$IWHUWLJKWHQLQJ
SXOOWKHZLUHVOLJKWO\WRFRQ¿UPWKDWWKH\GRQRWPRYH
&RQQHFWSRZHUVXSSO\FRUG.
)L[LQGRRURXWGRRUXQLWFRQQHFWLQJZLUH$DQGSRZHUVXSSO\FRUG.ZLWKWKHFRUG
clamp.
&ORVHWKHVHUYLFHSDQHOVHFXUHO\
 0DNHHDUWKZLUHDOLWWOHORQJHUWKDQRWKHUV0RUHWKDQPP
 )RUIXWXUHVHUYLFLQJJLYHH[WUDOHQJWKWRWKHFRQQHFWLQJZLUHV
• Be sure to attach each screw to its correspondent terminal when securing the cord
DQGRUWKHZLUHWRWKHWHUPLQDOEORFN
Burr Copper pipe
Spare reamer
Pipe cutter
&OXWFKW\SH
Flaring tool
Fig. 4
Fig. 3
:LQJQXWW\SH
WARNING
When installing the unit, securely connect the refrigerant
pipes before starting the compressor.
3-4. INSULATION AND TAPING
&RYHUSLSLQJMRLQWVZLWKSLSHFRYHU
)RURXWGRRUXQLWVLGHVXUHO\LQVXODWHHYHU\SLSLQJLQFOXGLQJYDOYHV
8VLQJSLSLQJWDSH*DSSO\WDSLQJVWDUWLQJIURPWKHHQWU\RIRXWGRRUXQLW
• Stop the end of piping tape (G) with tape (with adhesive agent attached).
•
:KHQSLSLQJKDYHWREHDUUDQJHGWKURXJKDERYHFHLOLQJFORVHWRUZKHUHWKHWHPSHUDWXUH
DQGKXPLGLW\DUHKLJKZLQGDGGLWLRQDOFRPPHUFLDOO\VROGLQVXODWLRQWRSUHYHQWFRQGHQVDWLRQ
35 mm
15 mm
<GF50> <GF60/80>
7HUPLQDOEORFN 7HUPLQDOEORFN
Power supply
cord (K)
Indoor/outdoor
unit connecting
wire (A)
Lead wire
Power supply cord (K)
Pipe diameter
(mm)
Nut
(mm)
A (mm) Tightening torque
&OXWFKW\SH
tool
for R410A
&OXWFKW\SH
tool
for R22
Wing nut
W\SHWRRO
for R22
N•m NJIFP
ø 6.35 (1/4”) 17
0 to 0.5 1.0 to 1.5
1.5 to 2.0 13.7 to 17.7 140 to 180
ø 9.52 (3/8”) 22 34.3 to 41.2 350 to 420
ø 12.7 (1/2”) 26 2.0 to 2.5 49.0 to 56.4 500 to 575
ø 15.88 (5/8”) 29 73.5 to 78.4 750 to 800
3. OUTDOOR UNIT INSTALLATION

When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes. The compressor may burst if air etc. get into it.
WARNING
4-1. PURGING PROCEDURES AND LEAK TEST
1) Remove service port cap of stop valve on the side of the outdoor unit gas pipe. (The stop
YDOYHVDUHIXOO\FORVHGDQGFRYHUHGLQFDSVLQLQLWLDOVWDWH
2) Connect gauge manifold valve and vacuum pump to service port of stop valve on the
gas pipe side of the outdoor unit.
4-2. TEST RUN
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RQWKHEUHDNHU
3UHVVWKH(26:7HVWUXQZLOOEHSHUIRUPHGIRUPLQ-
XWHV,IWKHXSSHUODPSRIWKHRSHUDWLRQLQGLFDWRUEOLQNVHYHU\
VHFRQGVLQVSHFWWKHLQGRRURXWGRRUXQLWFRQQHFWLQJZLUH
$IRUPLVZLULQJ$IWHUWKHWHVWUXQHPHUJHQF\PRGHVHW
temperature 24ºC) will start.
7RVWRSRSHUDWLRQSUHVVWKH(26:VHYHUDOWLPHVXQWLODOO
LED lamps turn off. Refer to operating instructions for details.
Checking the remote (infrared) signal reception
3UHVV WKH 212)) EXWWRQ RQ WKH UHPRWH FRQWUROOHU  DQG
FKHFNWKDWDQHOHFWURQLFVRXQGLVKHDUGIURP WKH LQGRRU XQLW 3UHVV WKH 212)) EXWWRQ
again to turn the air conditioner off.
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will not operate for 3 minutes to protect the air conditioner.
4-3. AUTO RESTART FUNCTION
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GXULQJRSHUDWLRQVXFKDVGXULQJEODFNRXWVWKHIXQFWLRQDXWRPDWLFDOO\VWDUWVRSHUDWLRQLQ
WKHSUHYLRXVVHWWLQJRQFHWKHSRZHUVXSSO\LVUHVXPHG5HIHUWRWKHRSHUDWLQJLQVWUXFWLRQV
for details.)
4-4. EXPLANATION TO THE USER
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WLRQHUKRZWRXVHWKHUHPRWHFRQWUROOHUKRZWRUHPRYHWKHDLU¿OWHUVKRZWRUHPRYHRU
SXWWKHUHPRWHFRQWUROOHULQWKHUHPRWHFRQWUROOHUKROGHUKRZWRFOHDQSUHFDXWLRQVIRU
RSHUDWLRQHWF
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5-1. REMOVING AND INSTALLING THE PANEL ASSEMBLY
5-3. PUMPING DOWN
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SURFHGXUHEHORZVRWKDWQRUHIULJHUDQWLVUHOHDVHGLQWRWKHDWPRVSKHUH
1) Connect the gauge manifold valve to the service port of the stop valve on the gas pipe
side of the outdoor unit.
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&ORVHWKHVWRSYDOYHRQWKHJDVSLSHVLGHRIWKHRXWGRRUXQLWDOPRVWFRPSOHWHO\VRWKDW
LWFDQEHHDVLO\FORVHGIXOO\ZKHQWKHSUHVVXUHJDXJHVKRZV03D>*DXJH@NJIFP2).
6WDUWWKHHPHUJHQF\&22/RSHUDWLRQ
To start the HPHUJHQF\RSHUDWLRQLQ&22/PRGHGLVFRQQHFWWKHSRZHUVXSSO\SOXJDQG
RUWXUQRIIWKHEUHDNHU$IWHUVHFRQGVFRQQHFWWKHSRZHUVXSSO\SOXJDQGRUWXUQRQ
WKHEUHDNHUDQGWKHQSUHVVWKH(26:RQFH7KHHPHUJHQF\&22/RSHUDWLRQ can
EHSHUIRUPHGFRQWLQXRXVO\IRUXSWRPLQXWHV
)XOO\FORVHWKHVWRSYDOYHRQWKHJDVSLSHVLGHRIWKHRXWGRRUXQLWZKHQWKHSUHVVXUH
JDXJHVKRZVWR03D>*DXJH@DSSUR[WRNJIFP2).
6) Stop the HPHUJHQF\&22/RSHUDWLRQ.
Press the E.O. SW several times until all LED lamps turn off. Refer to operating instruc-
tions for details.
5-2. REMOVING THE INDOOR UNIT
5HPRYHWKHERWWRPRIWKHLQGRRUXQLWIURPWKHLQVWDOODWLRQ
plate.
:KHQUHOHDVLQJWKHFRUQHUSDUWUHOHDVHERWKOHIWDQGULJKW
ERWWRPFRUQHUSDUWRILQGRRUXQLWDQGSXOOLWGRZQZDUGDQG
IRUZDUGDVVKRZQLQWKH¿JXUHRQWKHULJKW
If the above method cannot be used
5HPRYHWKHSDQHO7KHQLQVHUWKH[DJRQDOZUHQFKHVLQWRWKHVTXDUHKROHVRQWKHOHIWDQG
ULJKWVLGHVRIWKHXQLWDQGSXVKWKHPXSDVVKRZQLQWKHIROORZLQJ¿JXUH7KHERWWRPRIWKH
LQGRRUXQLWORZHUVDQGUHOHDVHVWKHKRRNV
Removal procedure
5HPRYHWKHVFUHZVZKLFK¿[WKHSDQHODVVHPEO\
5HPRYHWKHSDQHODVVHPEO\%HVXUHWRUHPRYHLWV
ERWWRPHQG¿UVW
Installation procedure
,QVWDOO WKH SDQHO DVVHPEO\ IROORZLQJ WKH UHPRYDO
procedure in reverse.
%HVXUHWRSUHVVWKHSRVLWLRQVDVLQGLFDWHGE\WKH
DUURZVLQRUGHUWRDWWDFKWKHDVVHPEO\FRPSOHWHO\
to the unit.
3) Run the vacuum pump. (Vacuumize for more than 15 minutes.)
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the vacuum pump.
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VDPHSRVLWLRQ&RQ¿UPWKDWSUHVVXUHJDXJHVKRZV±03D>*DXJH@±PP+J
5HPRYHJDXJHPDQLIROGYDOYHTXLFNO\IURPVHUYLFHSRUWRIVWRSYDOYH
$IWHUUHIULJHUDQWSLSHVDUHFRQQHFWHGDQGHYDFXDWHGIXOO\RSHQDOOVWRSYDOYHVRQERWK
VLGHVRIJDVSLSHDQGOLTXLGSLSH2SHUDWLQJZLWKRXWIXOO\RSHQLQJORZHUVWKHSHUIRUPDQFH
DQGWKLVFDXVHVWURXEOH
Caution:
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WKHUHPRWHFRQWUROOHUEHIRUHWXUQLQJRIIWKHSRZHUVXSSO\1RWGRLQJVRZLOOFDXVHWKH
XQLWWRVWDUWRSHUDWLRQDXWRPDWLFDOO\ZKHQSRZHUVXSSO\LVUHVXPHG
To the user
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 ,I DXWR UHVWDUW IXQFWLRQ LV XQQHFHVVDU\ LW FDQ EH GHDFWLYDWHG &RQVXOW WKH VHUYLFH
representative to deactivate the function. Refer to the service manual for details.
Push Lower
Square hole
(PHUJHQF\
operation switch
(E.O. SW)
Stop valve for
GAS
Stop valve cap
(Torque 19.6 to
1P
WRNJIFP
Vacuum pump (or the vacuum
pump with the function to
SUHYHQWWKHEDFNÀRZ
Gauge manifold valve
(for R410A)
Compound pressure gauge
(for R410A)
±03D
(±PP+J
+DQGOH
Low +DQGOH+LJK
Adapter for
preventing the
EDFNÀRZ
Charge hose
(for R410A)
*Close
*Open
+H[DJRQDOZUHQFK
Precautions when using the control valve When attaching the control valve
WRWKHVHUYLFHSRUWYDOYH FRUH PD\
deform or loosen if excess pressure
LVDSSOLHG7KLVPD\FDXVHJDVOHDN
Service port
%RG\
Close
Open
Control valve
A
When attaching the control valve to
WKHVHUYLFHSRUWPDNHVXUHWKDWWKH
YDOYHFRUHLVLQFORVHGSRVLWLRQDQG
then tighten part A. Do not tighten
SDUW$RUWXUQWKHERG\ZKHQYDOYH
core is in open position.
Service port cap
(Torque 13.7 to
1P140 to
NJI•cm)
*4 to 5 turns
Stop valve
for LIQUID
Pressure gauge
(for R410A)
Charge hose
Note:
&RPSOHWHSXPSLQJGRZQZLWKLQ PLQXWHV$IWHUPLQXWHVWKHXQLWZLOODXWRPDWLFDOO\
VWRSWRSUHYHQWDEXUVWLQFDVHWKDWDLULVPL[HGXS
5HIHUWRDQGFKDUJHWKHSUHVFULEHGDPRXQWRIUHIULJHUDQWLIQHHGHG%HVXUHWRFKDUJH
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4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN
5. RELOCATION AND MAINTENANCE
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light-industrial environment.
The product at hand is
EDVHGRQWKHIROORZLQJ
EU regulations:
2006/95/EC: Low Voltage Directive
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+($'2)),&(72.<2%/'*0$58128&+,&+,<2'$.872.<2
-$3$1