Mitsubishi MFZ-FB50VA User manual

1. BEFORE INSTALLATION
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
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1-2. SELECTING THE INSTALLATION LOCATION
1-3. SPECIFICATIONS
CAUTION
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Required Tools for Installation
Phillips screwdriver
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Scale
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75 mm hole saw
Torque wrench
Wrench (or spanner)
4 mm hexagonal wrench
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Pipe cutter with reamer
N
Do not install the unit by yourself (user).
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N
Perform the installation securely referring to the installa-
tion manual.
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N
Install the unit securely in a place which can bear the
weight of the unit.
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N Perform electrical work according to the installation
manual and be sure to use an exclusive circuit. Do not
connect other electrical appliances to the circuit.
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VKRFN
N
Earth the unit correctly.
Do not connect the earth to a gas pipe, water pipe, lightning
rod or telephone earth. Defective earthing could cause electric
VKRFN
N Do not damage the wires by applying excessive pressure
with parts or screws.
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N Be sure to cut off the main power in case of setting up the
indoor P.C. board or wiring works.
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N
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block connecting sections so the stress of the wires is
not applied to the sections.
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N 'RQRWLQVWDOOWKHXQLWLQDSODFHZKHUHLQÀDPPDEOHJDV
may leak.
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could cause an explosion.
N
Do not use intermediate connection of the power cord or
the extension cord and do not connect many devices to
one AC outlet.
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etc.
N %HVXUHWRXVHWKHSDUWVSURYLGHGRUVSHFL¿HGSDUWVIRU
the installation work.
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N 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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SDUWVDUHIRXQGRQWKHSRZHUVXSSO\SOXJUHSODFHLW
N 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
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N When installing or relocating the unit, make sure that no
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enters the refrigerant circuit.
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normal pressure rise or an explosion.
N Do not discharge the refrigerant into the atmosphere. If
refrigerant leaks during installation, ventilate the room.
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generated.
N Check that the refrigerant gas does not leak after installa-
tion has been completed.
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N Use appropriate tools and piping materials for installa-
tion.
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ing appropriate tools or materials and incomplete installation
FRXOGFDXVHWKHSLSHVWREXUVWRULQMXU\
N When pumping down the refrigerant, stop the compressor
before disconnecting the refrigerant pipes.
If the refrigerant pipes are disconnected while the compres-
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N When installing the unit, securely connect the refrigerant
pipes before starting the compressor.
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FRPHDEQRUPDOO\KLJK7KLVFRXOGFDXVHWKHSLSHVWREXUVWRU
LQMXU\
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this manual.
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DQGFDXVHUHIULJHUDQWOHDNDJH
N The unit shall be installed in accordance with national
wiring regulations.
N
Install an earth leakage breaker depending on the installa-
tion place.
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HOHFWULFVKRFN
N
Perform the drainage/piping work securely according to
the installation manual.
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N
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outdoor unit.
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N
Do not install the outdoor unit where small animals may
live.
If small animals enter and touch the electric parts inside the
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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.
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RU79UHFHSWLRQ$QDPSOL¿HUPD\EHUHTXLUHGIRUWKHDI-
fected device.
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incandescent lights (so the infrared remote control can
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REMOTE CONTROLLER
 :KHUHLWLVHDV\WRRSHUDWHDQGHDVLO\YLVLEOH
• Where children cannot touch it.
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mote controller holder to a pillar or wall and install wire-
less remote controller.
Note:
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WKHVLJQDOIURPWKHZLUHOHVVUHPRWHFRQWUROOHUPD\QRWEH
received.
OUTDOOR UNIT
• Where it is not exposed to strong wind.
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SRVVLEOH
 :KHUHQHLJKERXUVDUHQRWDQQR\HGE\RSHUDWLRQVRXQG
or hot air.
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LQFUHDVHRIRSHUDWLRQVRXQGRUYLEUDWLRQ
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the unit legs.
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UDGLR RU 79 UHFHSWLRQ LQ DUHDV ZKHUH UHFHSWLRQ LV ZHDN
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Note:
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WRUHGXFHYLEUDWLRQWUDQVPLWWHGIURPWKHUH
*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 power switch is shut off, it must interrupt all phases.)
*2
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SUHVVXUHUHVLVWDQFHZLOOEHLQVXI¿FLHQW
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pipe length less than 7 m.)
Additional refrigerant = A × (pipe length (m) - 7)
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VSHFL¿FJUDYLW\
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Note:
When operating the air conditioner in low outside tempera-
WXUHEHVXUHWRIROORZWKHLQVWUXFWLRQVGHVFULEHGEHORZ
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LQOHWRXWOHWVLGHPD\EHH[SRVHGGLUHFWO\WRZLQG
• To prevent exposure to wind, install the outdoor unit
with its air inlet side facing the wall.
•
To prevent exposure to wind, it is recommended to install
DEDIÀHERDUGRQWKHDLURXWOHWVLGHRIWKHRXWGRRUXQLW
Avoid the following places for installation where air condi-
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 :KHUHÀDPPDEOHJDVFRXOGOHDN
• Where there is much machine oil.
 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
WARNING &RXOGOHDGWRGHDWKVHULRXVLQMXU\HWF
-*$+
63/,77<3($,5&21',7,21(56
INSTALLATION MANUAL
ENGLISH
Model names are indicated in 1-3.
Model 3RZHUVXSSO\ :LUHVSHFL¿FDWLRQV Pipe size
WKLFNQHVV
Indoor unit 2XWGRRUXQLW 5DWHG
9ROWDJH )UHTXHQF\ %UHDNHU
FDSDFLW\ 3RZHUVXSSO\
Indoor/outdoor
connecting wire
*DV/LTXLG
0)=)%9$ 08)=)%9$+ 9 +] 16 A 3-core
2.0 mm2
4-core
1.0 mm2
ø12.7 / 6.35 mm
(0.8 mm)
Pipe length and height difference
Max. pipe length 30 m
Max. height difference 15 m
0D[QXPEHURIEHQGV 10
5HIULJHUDQWDGMXVWPHQW$ 30 g/m
,QVXODWLRQWKLFNQHVV 8 mm

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 indoor/
outdoor connect-
ing wire (A) from
contacting metal
parts in the wall and
to prevent damage
E\URGHQWVLQFDVH
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)
100 mm
or more
350 mm
or more
100 mm
or more
500 mm
or more
500 mm or
more
1-4. INSTALLATION DIAGRAM
ACCESSORIES
&KHFNWKHIROORZLQJSDUWVEHIRUHLQVWDOODWLRQ
<Indoor unit>
(1) Drain hose 1
(2) 5HPRWHFRQWUROOHUKROGHU 1
(3) Fixing screw for (2) 3.5 × 16 mm
%ODFN 2
(4) Pipe cover 1
(5) Band 2
(6) %DWWHU\$$$IRU 2
(7) ,QGRRUXQLWPRXQWLQJEUDFNHW 1
(8) Fixing screw for (7) 4 × 25 mm 5
(9) :RRGVFUHZIRULQGRRUXQLW¿[DWLRQ 4
(10) Washer of (9) 4
(11)
Felt tape (For left or left-rear piping) 1
(12) Wireless remote controller 1
(13) $LUFOHDQLQJ¿OWHU 1
PARTS TO BE PROVIDED
AT YOUR SITE
(A) Indoor/outdoor unit connecting wire* 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
* Piping tape 1
+ 3XWW\ 1
(I)
Drain hose
RUVRIW39&KRVHPPLQQHU
GLDPHWHURUKDUG39&SLSH93
1
(J) 5HIULJHUDWLRQRLO 1
(K) 3RZHUVXSSO\FRUG 1
8QLWVVKRXOGEHLQVWDOOHGE\OLFHQVHGFRQWUDFWRU
according to local code requirements.
$IWHUWKHOHDNWHVW
DSSO\LQVXODWLQJ
PDWHULDOWLJKWO\VRWKDW
there is no gap.
When the piping is to
EHDWWDFKHGWRDZDOO
containing metals (tin
plated) or metal net-
WLQJXVHDFKHPLFDOO\
treated wooden piece
PPRUWKLFNHU
EHWZHHQWKHZDOODQG
the piping or wrap 7
to 8 turns of insulation
YLQ\OWDSHDURXQGWKH
piping.
To use existing pip-
LQJSHUIRUP&22/
operation for 30
minutes and pump
GRZQEHIRUHUHPRYLQJ
the old air conditioner.
5HPDNHÀDUHDFFRUG-
ing to the dimension
for new refrigerant.
2. INDOOR UNIT INSTALLATION
* Note:
Place indoor/outdoor unit connecting wire (A)
DQGSRZHUVXSSO\FRUG.DWOHDVWPDZD\
IURPWKH79DQWHQQDZLUH
Air inlet
Air outlet
Outdoor unit installation
4-10 mm × 21 mm slot
840 mm
500 mm
169
mm
40 mm
392 mm
330 mm
360 mm
IMPORTANT NOTES
7RFRPSO\ZLWKWKHUHTXLUHPHQWVRI$XVWUDOLDQVWDQGDUG$61=6
electrical installations (wiring rules), the electrical wiring required
EHWZHHQWKHLQGRRUDQGRXWGRRUXQLWVPXVWEHLQVWDOOHGE\DOLFHQFHG
electrical contractor.
PPRUEHORZ IURPWKHÀRRU
100 mm or more
100 mm or more
100 mm or more
Wall
2XWGRRU
side
2-2. HOLE DRILLING
1) Determine the wall hole position.
'ULOODGLDPPKROH7KHRXWGRRUVLGHVKRXOGEH
5 to 7 mm lower than the indoor side.
3) Insert wall hole sleeve (C).
2-1. FIXING OF INDOOR UNIT MOUNTING BRACKET
 )LQGDVWUXFWXUDO PDWHULDO VXFK DVDVWXG LQ WKH ZDOODQG¿[ EUDFNHW  KRUL]RQWDOO\
ZLWK¿[LQJVFUHZV
 7RSUHYHQW EUDFNHWIURPYLEUDWLQJEHVXUHWR LQVWDOOWKH¿[LQJVFUHZVLQWKHKROHV
LQGLFDWHG E\ >!@ LQ WKH LOOXVWUDWLRQ )RU DGGHG VXSSRUW ¿[LQJ VFUHZV PD\ DOVR EH LQ-
stalled in other holes.
)255,*+7'2:1:$5'25/()7'2:1:$5'3,3,1*
7KHIROORZLQJ¿JXUHLVDYLHZRIWKHERWWRPRIWKHLQGRRUXQLWIURPDERYH
)255($525/()75($53,3,1*
7KHIROORZLQJ¿JXUHLVDIURQWYLHZRIWKHLQGRRUXQLWLQVWDOODWLRQORFDWLRQ
)25/()73,3,1* )255,*+73,3,1*
When the
unit is
installed on
the wall.
When the unit is
LQVWDOOHGRQWKHÀRRU
HOLE POSITIONS
ø75mm 5 - 7 mm
Drain piping for outdoor unit
,QVWDOOWKHXQLWKRUL]RQWDOO\
'RQRWXVHGUDLQVRFNHWLQFROGUHJLRQV
'UDLQPD\IUHH]HDQGPDNHWKHIDQ
stop.
The outdoor unit produces condensate
during the heating operation.
Select the installation place to ensure
to prevent the outdoor unit and/or the
JURXQGVIURPEHLQJZHWE\GUDLQZDWHU
RUGDPDJHGE\IUR]HQGUDLQZDWHU

2-3. INDOOR UNIT PREPARATION
5HPRYHWKHIURQWSDQHORIWKHLQGRRUXQLW
3XVKWKHORFDWLRQVPDUNHG³386+´RQWKHXSSHUSDUWRIWKHIURQWJULOOHXQWLOD³FOLFN´
is heard.
2SHQWKHIURQWJULOOHWRZDUG\RX
5HPRYHWKHVFUHZV
*UDVSWKHUHDUKRUL]RQWDOYDQHDWWKHXSSHUDLURXWOHWDQGRSHQLW
5) Push the 3 locations on the top of the front panel, and then pull the upper part of the
IURQWSDQHOWRZDUG\RX
5HPRYHWKHIURQWSDQHOZKLOHOLIWLQJLWXSVOLJKWO\
  7KHIURQWSDQHOFDQEHUHPRYHGZLWKRXWRSHQLQJWKHGDPSHURIWKHORZHUDLURXWOHW
*Do not open the damper
of the lower air outlet.
Front horizontal
vane
5HDUKRUL]RQWDO
vane
Front panel
Front panel
Push
Indoor unit
Indoor unit
2-4. INDOOR UNIT INSTALLATION
 +RRNWKHWRSRIWKHLQGRRUXQLWRQWKHLQGRRUXQLWPRXQWLQJEUDFNHW
 8VHWKHLQFOXGHGZRRGVFUHZVDQGZDVKHUDQGIDVWHQWKHLQGRRUXQLWDW
locations( ) each at the top and the middle of the unit.
2-5. EMBEDDING THE INDOOR UNIT IN A WALL
 :KHQ LQVWDOOLQJ D JUDWLQJ XVH D JUDWLQJ ZLWK QDUURZ XSSHU DQG ORZHU KRUL]RQWDO EDUV
VRWKDWWKHDLUÀRZIURPWKHXSSHUDQGORZHUDLURXWOHWVGRHVQRWFRQWDFWWKHEDUV,IWKH
KRUL]RQWDOEDUVZLOOEORFNWKHORZHUDLURXWOHWXVHDVWDQGHWFWRDGMXVWWKHKHLJKWRIWKH
LQGRRUXQLW,IWKHXSSHURUORZHUDLURXWOHWLVEORFNHGWKHDLUFRQGLWLRQHUZLOOQRWEHDEOHWR
cool or warm the room well.
 'R QRW EORFN WKH UHFHLYHU ZLWK WKH JUDWLQJ 2WKHUZLVH WKH JUDWLQJ ZLOO LQWHUIHUH ZLWK WKH
UHPRWHFRQWUROOHUVLJQDODQGVLJQL¿FDQWO\UHGXFHWKHGLVWDQFHDQGDUHDDQJOHIURPZKLFK
WKHVLJQDOVFDQEHUHFHLYHG
 8VHDJUDWLQJZLWKYHUWLFDOEDUVHWFWKDWKDVDWOHDVWRSHQDUHD,IWKHJUDWLQJKDV
KRUL]RQWDOEDUVRULIWKHRSHQDUHDLVOHVVWKDQSHUIRUPDQFHFRXOGEHUHGXFHG
 :KHQWKHLQGRRUXQLWLVHPEHGGHGLQDZDOOEXLOWLQWKHWLPHLWWDNHVIRUWKHURRPWHP-
perature to reach the set temperature will increase.
100 or more 8SSHUDLURXWOHW
/RZHUDLURXWOHW
5HFHLYHU *UDWLQJ
Indoor
unit
100 or more
25 - 35
100 or
more
EMBEDDED INDOOR UNIT SETTING (MUST BE PERFORMED)
 :KHQHPEHGGLQJWKHLQGRRUXQLWLQDZDOOUHVWULFWWKHPRYHPHQWRIWKHKRUL]RQWDO YDQH
IRUWKHXSSHUDLURXWOHWVRWKDWLWRQO\RSHUDWHVKRUL]RQWDOO\
 ,I WKLV VHWWLQJ LV QRW SHUIRUPHG KHDW ZLOO EXLOG XS LQ WKH ZDOO DQG WKH URRP ZLOO QRW EH
FRROHGRUZDUPHGSURSHUO\
 &XWWKHZLUHVRQWKHOHIWDQGULJKWVLGHVRI-5)%/XVLQJDSDLURIQLSSHUVHWFDVVKRZQ
EHORZ
&XWWKHZLUHVRQERWKHQGV
Cut
&RQWUROERDUG
&XWWKH-5)%/ZLUHV
JRFBL
JR24

2-6. CONNECTING WIRES FOR INDOOR UNIT
<RXFDQFRQQHFWLQGRRURXWGRRUOHDGZLUHZLWKRXWUHPRYLQJWKHIURQWJULOOH
2SHQWKHIURQWJULOOH
5HPRYHSDQHO
5HPRYHHOHFWULFDOFRYHU
5HPRYHFRUGFODPS
3DVV LQGRRURXWGRRU XQLW FRQQHFWLQJ ZLUH $ IURP WKH EDFN RI WKH LQGRRU XQLW DQG
process the end of the wire.
/RRVHQWHUPLQDOVFUHZDQGFRQQHFW¿UVWWKHHDUWKZLUHWKHQLQGRRURXWGRRUXQLWFRQ-
QHFWLQJZLUH$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$IWHU WLJKWHQLQJ
SXOOWKHZLUHVOLJKWO\WRFRQ¿UPWKDWWKH\GRQRWPRYH
8) Secure indoor/outdoor unit connecting wire (A) and the earth wire with the cord
FODPS1HYHUIDLOWRKRRNWKHOHIWFODZRIWKHFRUGFODPS$WWDFKWKHFRUGFODPSVH-
FXUHO\
,QGRRUWHUPLQDOEORFN
Indoor/outdoor unit
connecting wire (A)
2XWGRRUWHUPLQDOEORFN
Earth wire
JUHHQ\HOORZ
 0DNHHDUWKZLUHDOLWWOHORQJHUWKDQRWKHUV0RUHWKDQPP
• For future servicing, give extra length to the connecting wires.
/HDGZLUH
7HUPLQDOEORFN
Fixing screw
Indoor/outdoor unit
connecting wire (A)
Electrical cover
Cord clamp
35 mm
15 mm
2-7. PIPE FORMING AND INSTALLATION
Pipe Forming
 5RXWHWKHGUDLQKRVHGLDJRQDOO\EHORZWKHFRQQHFWLQJSLSHV
 0DNHVXUHWKDWWKHGUDLQKRVHLVQRWURXWHGXSZDUGDQGWKDWWKHUHDUHQRZDYHVLQ
the hose.
 'RQRWSXOOWKHKRVHZKHQDSSO\LQJWKHWDSH
 5RXWHWKHSLSLQJVRWKDWLWGRHVQRWSURMHFWSDVWWKHUHDURIWKHLQGRRUXQLW5HIHUWR
WKH¿JXUHWRWKHULJKW
Connecting Pipe Installation
 ,QVWDOOWKHFRQQHFWLQJSLSHVVRWKDWWKHSLSLQJFDQPRYHVOLJKWO\WRWKHIURQWEDFN
left, and right.
Piping
tape
Drain hose
5HIULJHUDQW
piping
3LSLQJEHQWRXWZDUG Push
• Be sure to insulate the connecting pipes and place them near the rear of the indoor
XQLWVRWKDWWKH\GRQRWFRQWDFWWKHIURQWSDQHO
 %HFDUHIXOQRWWRFUXVKWKHFRQQHFWLQJSLSHVZKHQEHQGLQJWKHP
5,*+7'2:1:$5'3,3,1* 27+(53,3,1*
Band (5)
5HPRYHWKH
cover.
Pipe cover (4)
Band (5)
)25/()725/()75($53,3,1*
Bundle the connecting pipes and drain hose together, and then wrap them in felt tape (11).
Cut and use the lower side panels on the left and right sides of the indoor unit as shown
EHORZ
6PRRWKWKHFXWHGJHVRIWKHVLGHSDQHOVVRWKDWWKH\ZLOOQRWGDPDJHWKHLQVXODWLRQFRDW-
ing.
• For left or right piping
 ,QVWDOOLQJÀXVKDJDLQVWDZDOOZLWKPROGLQJ
Molding
Cut the lower side panels to match the
height of the molding.
:UDS WKH IHOW WDSH  WLJKWO\ DURXQG WKH SLSHV DQG KRVH VWDUWLQJ QHDU ZKHUH WKH
pipes and hose are routed from the indoor unit. (The overlap width of the felt tape (11)
VKRXOGQRWEHPRUHWKDQRIWKHWDSHZLGWK
6WDUWZUDSSLQJWKHSLSLQJWDSH*
around the pipes and hose 10 mm
inside the indoor unit.
Fasten the end of the felt tape (11) with
DEDQGDJHVWRSSHU
0DNHVXUHWKDWWKHGUDLQKRVH
is not routed upward.
Felt tape (11)

 0DNH HDUWK ZLUH D OLWWOH ORQJHU
than others. (More than 60 mm)
• For future servicing, give extra
length to the connecting wires.
3. OUTDOOR UNIT INSTALLATION
3-1. CONNECTING WIRES FOR OUTDOOR UNIT
2SHQWKHVHUYLFHSDQHO
/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\
3-2. FLARING WORK
&XWWKHFRSSHUSLSHFRUUHFWO\ZLWKSLSHFXWWHU
(Fig. 1, 2)
&RPSOHWHO\UHPRYHDOOEXUUVIURPWKHFXWFURVVVHF-
tion of pipe. (Fig. 3)
• Put the end of the copper pipe to downward direc-
WLRQDV\RXUHPRYHEXUUVLQRUGHUWRDYRLGWROHW
EXUUVGURSLQWKHSLSLQJ
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
)ODULQJ ZRUN )LJ   )LUPO\ KROG FRSSHU SLSH LQ
WKHGLPHQVLRQVKRZQLQWKHWDEOH6HOHFW
 $PPIURPWKHWDEOHDFFRUGLQJWRWKHWRRO\RXXVH
Copper
pipe
*RRG
7LOWHG8QHYHQ%XUUHG
1RJRRG
Fig. 1
Fig. 2
/HDGZLUH
7HUPLQDOEORFN
Cord clamp
3RZHUVXSSO\
cord (K)
Indoor/outdoor unit
connecting wire (A)
3RZHUVXSSO\FRUG.
35 mm
15 mm
Burr Copper pipe
Spare reamer
Pipe cutter
&OXWFKW\SH
Flaring tool
Fig. 4Fig. 3
:LQJQXWW\SH
Pipe diameter
(mm)
1XW
(mm)
A (mm) Tightening torque
&OXWFKW\SH
tool
IRU5$
&OXWFKW\SH
tool
IRU5
Wing nut
W\SHWRRO
IRU5
1P NJIFP
¡´ 17
0 to 0.5 1.0 to 1.5
1.5 to 2.0 13.7 to 17.7 140 to 180
¡´ 22 34.3 to 41.2 350 to 420
¡´ 26 2.0 to 2.5 49.0 to 56.4 500 to 575
¡´ 29 73.5 to 78.4 750 to 800
Smooth all
around
Even length
all around
Inside is shin-
LQJZLWKRXWDQ\
scratches.
Flare nut
Die
Fig. 5 Fig. 6
Copper pipe
'RQRWPDNHGUDLQSLSLQJDVVKRZQEHORZ
Accumulated
drain water
Air
Waving
Water
OHDNDJH
Do not raise
Water
OHDNDJH
Water
OHDNDJH
Tip of drain
hose dipped
in water
Ditch
At least
50 mm
gap
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 joint
70 cm or
more
Fig. 1 Fig. 2 Fig. 3
2-8. DRAIN PIPING
 ,IWKHH[WHQVLRQGUDLQKRVHKDVWRSDVVWKURXJKDURRPEHVXUHWRZUDSLWZLWKFRP-
PHUFLDOO\VROGLQVXODWLRQ
 7KHGUDLQKRVHVKRXOGSRLQWGRZQZDUGIRUHDV\GUDLQÀRZ)LJ
• If the drain hose provided with the indoor unit is too short, connect it with drain hose (I)
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
•
:KHQURXWLQJWKHGUDLQSLSLQJPDNHVXUHWKDWWKHGUDLQKRVHLVURXWHGDVVKRZQ)LJ
4)
 ,QVHUWWKHGUDLQKRVHDOOWKHZD\WRWKHEDVHRIWKHGUDLQSDQHQGFRQQHFWLRQ)LJ
0DNHVXUHWKDWWKHFDWFKRIWKHGUDLQKRVHLVVHFXUHO\KRRNHGRQWRWKHSURMHFWLRQRQ
WKHKRVH¿WWLQJRIWKHGUDLQSDQ
 $IWHUFRQQHFWLQJ WKH GUDLQKRVH EH VXUH WR SXOO WKH KRVH WR FRQ¿UP WKDW LW LV FRQ-
QHFWHGVHFXUHO\
Fig. 4
Fig. 5
The catch should face up.
Projection
 7KLVSURMHFWLRQLVORFDWHGEHKLQG
WKHKRVH¿WWLQJZKHQYLHZLQJWKH
¿WWLQJIURPWKHIURQWRIWKHXQLW
0DNHVXUHWRKRRNWKHFDWFK
Drain hose
3XOOWKHKRVHWRFRQ¿UP
LWLVFRQQHFWHGVHFXUHO\
2-9. FRONT PANEL INSTALLATION
2SHQWKHKRUL]RQWDOYDQHIRUWKHXSSHUDLURXWOHW
2) Fit the front panel onto the indoor unit from the front, and then push the upper and
ORZHUDUHDVWKDWDUHPDUNHGZLWKDUURZV
3XVKWKHDUHDVEHORZWKHXSSHUDLURXWOHWDQGWKHDUHDVDERYHDQGEHORZWKHORZHUDLU
RXWOHWWKDWDUHPDUNHGZLWKDUURZV
$IWHULQVWDOOLQJWKHIURQWSDQHOLQVWDOOWKHVFUHZVEHORZWKHXSSHUDLURXWOHW
&KHFN
 &RPSDUHWKHÀDUHGZRUNZLWK)LJ
 ,IÀDUHLVQRWHGWREHGHIHFWLYHFXWRIIWKHÀDUHGVHFWLRQDQGGRÀDULQJZRUNDJDLQ

4-1. PURGING PROCEDURES AND LEAK TEST
5HPRYHVHUYLFHSRUWFDSRIVWRSYDOYHRQWKHVLGHRIWKHRXWGRRUXQLWJDVSLSH7KH
VWRSYDOYHZLOOQRWZRUNLQLWVLQLWLDOVWDWHIUHVKRXWRIWKHIDFWRU\WRWDOO\FORVHGZLWK
cap on.)
2) Connect gauge manifold valve and vacuum pump to service port of stop valve on
the gas pipe side of the outdoor unit.
5-1. PUMPING DOWN
:KHQUHORFDWLQJRUGLVSRVLQJRIWKHDLUFRQGLWLRQHUSXPSGRZQWKHV\VWHPIROORZLQJ
WKH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.
)XOO\FORVHWKHVWRSYDOYHRQWKHOLTXLGSLSHVLGHRIWKHRXWGRRUXQLW
&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/
operationFDQ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.
 3UHVVWKH(26:WZLFHWRVWRSWKHRSHUDWLRQ
Stop valve for
*$6
Stop valve cap
(Torque 19.6 to
1P
WRNJIƒFP
9DFXXPSXPSRUWKHYDFXXP
pump with the function to
SUHYHQWWKHEDFNÀRZ
*DXJHPDQLIROGYDOYH
IRU5$
Compound pressure gauge
IRU5$
–0.101 MPa
(–PP+J
+DQGOH
/RZ +DQGOH+LJK
Adapter for pre-
YHQWLQJWKHEDFN
ÀRZ
Charge hose
IRU5$
*Close
2SHQ
+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
Charge hose
%RG\
Close
2SHQ
Control valve
A
When attaching the control valve to
WKHVHUYLFHSRUWPDNHVXUHWKDWWKH
valve core is in closed position, and
then tighten part A. Do not tighten
SDUW$RUWXUQWKHERG\ZKHQYDOYH
core is in open position.
Service port cap
(Torque 13.7 to
1P140 to
NJI•cm)
*4 to 5 turns
5XQWKHYDFXXPSXPS9DFXXPL]HIRUPRUHWKDQPLQXWHV
&KHFNWKHYDFXXPZLWKJDXJHPDQLIROGYDOYHWKHQFORVHJDXJHPDQLIROGYDOYHDQG
stop the vacuum pump.
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PDLQVLQWKHVDPHSRVLWLRQ&RQ¿UPWKDWSUHVVXUHJDXJHVKRZV±03D>*DXJH@
±PP+J
5HPRYHJDXJHPDQLIROGYDOYHTXLFNO\IURPVHUYLFHSRUWRIVWRSYDOYH
$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
5HIHUWRDQGFKDUJHWKHSUHVFULEHGDPRXQWRIUHIULJHUDQWLIQHHGHG%HVXUHWR
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Stop valve
IRU/,48,'
4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN
Pressure gauge
IRU5$
5. PUMPING DOWN
4-4. EXPLANATION TO THE USER
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put the remote controller in the remote controller holder, how to clean, precautions for
operation, etc.)
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operation switch
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Caution:
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To the user
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4-3. AUTO RESTART FUNCTION
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details.)
4-2. TEST RUN
Make sure the following is done.
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• Indoor and outdoor units are installed
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and twice for +($7operation. Test
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the left lamp of the operation indicator
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indoor/outdoor unit connecting wire (A)
for mis-wiring. After the test run, emer-
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start.
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operating instructions for details.
Checking the remote (infrared) signal reception
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will not operate for 3 minutes to protect the air conditioner.
3-3. PIPE CONNECTION
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OHDNDJH
Indoor unit connection
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tion, and tighten using two wrenches. Excessive tightening
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Outdoor unit connection
Connect pipes to stop valve pipe joint of the outdoor unit in
the same manner applied for indoor unit.
• For tightening, use a torque wrench or spanner and use
the same tightening torque applied for indoor unit.
3-4. INSULATION AND TAPING
1) Cover piping joints with pipe cover.
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prevent condensation.
WARNING
When installing the unit, securely connect the refrigerant pipes before starting
the compressor.
When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes. The compressor may burst if air etc. get into it.
WARNING

6. Connecting an interface to the air conditioner (Option)
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dium) ZKLFKKDVDWWDFKHGWRWKHFRQQHFWLQJFDEOHZLWKWKHVFUHZ%
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Screw (B)
Mounting
cord clamp
(medium)
Connecting
FDEOH
Clamp
+RRN
(OHFWULFDOER[
50 mm
Insulation coating part
Mounting cord clamp
(medium)
Connecting an interface to the air conditioner
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LQJFDEOH
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indoor/outdoor connecting wire, and/or earth wire. Keep as much distance as pos-
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cannot touch it.
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cannot touch it.
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Indoor control
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Connector
1. Attach the mounting cord clamp (medium) WRWKHFRQQHFWLQJFDEOHDWPPIURP
the edge of an insulation coating part.
Fix the connecting cable at the prescribed position securely.
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WARNING

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