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Mitsubishi 1886268 20000 BTU Dual-Zone Mini Split System 9+9 with Wall Mount Indoor Unit, 20 SEER, 12.7 EER, Wireless Remote Controller, AHRI Certified, cETLus Certification, DC Inverter Technology

User Manual - Page 3

For 1886268.

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En-2
1-4.SELECTINGTHEINSTALLATIONLOCATION
• Whereitisnotexposedtostrongwind.Iftheoutdoorunitisexposedtoa
wind during defrosting, the defrosting time will be longer.
• Whereairowisgoodanddustless.
• Whererainordirectsunshinecanbeavoidedasmuchaspossible.
• Whereneighboursarenotannoyedbyoperationsoundorhot(orcool)air.
• Whererigidwallorsupportisavailabletopreventtheincreaseofoperation
soundorvibration.
• Wherethereisnoriskofcombustiblegasleakage.
• Wheninstallingtheunit,besuretosecuretheunitlegs.
• Whereitisatleast10ft.(3m)awayfromtheantennaofTVsetorradio.Op-
erationoftheairconditionermayinterferewithradioorTVreceptioninareas
wherereceptionisweak.Anampliermayberequiredfortheaffecteddevice.
• Installtheunithorizontally.
• Pleaseinstallitinanareanotaffectedbysnowfallorblowingsnow.Inareas
withheavy snow, pleaseinstall a canopy,a pedestaland/or some bafe
boards.
Note:
Itisadvisabletomakeapipingloopnearoutdoorunitsoastoreducevibration
transmitted from there.
Note:
When operating the air conditioner in low outside temperature, be sure to
follow the instructions described below.
• Neverinstalltheoutdoorunitinaplacewhereitsairinlet/outletsidemay
be exposed directly to wind.
• Topreventexposuretowind,installtheoutdoor
unitwithitsairinletside
facing the wall.
•
Topreventexposuretowind,itisrecommendedtoinstallabafeboardon
the air outlet side of the outdoor unit.
Avoidthe following places for installation where airconditioner trouble is
liable to occur.
• Whereammablegascouldleak.
• Wherethereismuchmachineoil.
• Saltyplacessuchastheseaside.
• Wheresuldegasisgeneratedsuchashotspring,sewage,wastewater.
• Wherethereishigh-frequencyorwirelessequipment.
• WherethereisemissionofhighlevelsofVOCs,includingphthalatecom-
pounds,formaldehyde,etc.,whichmaycausechemicalcracking.
3. Obstacles in front (blowing) only
Whenthereisanobstacleinfrontoftheunitasshowninthegure,open
spaceabove,behind,andonthesidesoftheunitisrequired.
2. Front (blowing) side open
As long as space indicated in the
gureisprovided,itisallowedto
install the unit where obstacles are
behind and on the sides of the unit.
(Noobstacleabovetheunit)
FREE SPACE REQUIRED AROUND OUTDOOR UNIT
Servicespace
• Wheninstallingtheunitinanareathatisenclosedwithwallssuchasa
verandah,besuretohaveenoughspaceasshownbelow.
In this case, the air conditioning capacity and power consumption might
deteriorate.
• Wheninstallingtwoormoreunits,donotinstalltheunitsinfrontorbehind
each other.
1. Obstacles above
When there is no obstacle in front and
on the sides of the unit, it is allowed
to install the unit where an obstacle is
abovetheunitonlyifthespaceshown
inthegureisprovided.
6. Service space
Providespaceforserviceandmaintenanceasshowninthegure.
19-11/16 (500)
or more
3-15/16 (100)
or more
5. Obstacles in front, behind and on side(s)
(Unit: inch (mm))
Heightoftheobstacleis47-1/4(1200)orless
19-11/16 (500) or more
3-15/16 (100) or more
19-11/16 (500)
or more
13-25/32 (350) or more
3-15/16 (100) or more
13-25/32 (350) or more
3-15/16 (100) or more
7-7/8 (200) or more
13-25/32 (350)
or more
3-15/16 (100)
or more
7-7/8 (200) or more
13-25/32 (350)
or more
19-11/16 (500)
or more
19-11/16 (500)
or more
1-3. SELECTING OPTIONAL DIFFERENT-DIAMETER JOINTS
If the diameter of connection pipe does not match the port size of outdoor unit, use optional different-diameter joints according to the following table.
Port size of outdoor unit Optional different-diameter joints (port size of outdoor unit
→
diameter of connection pipe)
MXZ-2C20NA2 Liquid/Gas
3/8 (9.52)
→
1/2 (12.7) : MAC-A454JP-E
Refer to the installation manual of indoor unit for the diameter of connection pipe of indoor unit.
A,BUNIT 1/4 (6.35) / 3/8 (9.52)
(Unit: inch (mm))
4.Obstacles in front and behind
The unit can be used by attaching an optional outdoor blowing guide
(MAC-856SG)(butbothsidesandtopareopen).
3-15/16 (100) or more
Blowingguide(MAC-856SG)
19-11/16 (500) or more
Note:
WhenconnectingtheMFZ-KJseriesindoorunit(s)tothisoutdoorunit,chargeadditionalrefrigerantaccordingtotheinstructionsinthetablebelow.
No.ofMFZ-KJindoorunits
Pipe length ( L )
131.2 ft. (40 m) or less More than 131.2 ft. (40 m)
1 unit
3.52 oz additional (Total 6 lbs 2.77 oz)
100 g additional (Total 2800 g)
3.52 oz + {(L-131.2) ft. × 1.08 oz/5 ft.)}
100 g + {(L-40) m × 20 g/m)}
2 units
7.05 oz additional (Total 6 lbs 6.29 oz)
200 g additional (Total 2900 g)
7.05 oz + {(L-131.2) ft. × 1.08 oz/5 ft.)}
200 g + {(L-40) m × 20 g/m)}
BH79A325H03_en.indd 2 2018/08/06 13:12:23
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