Mitsubishi Electronics MXZ-2A20NA Air Conditioner User Manual


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3
2.
Front (blowing) side open
As long as space like the one
showninthegurecanbe
maintained, it does not mat
-
ter if there are obstacles in
three directions (but top side
isopen).
4.
Obstacles on front and rear side only
Theunitcanbeusedbyat-
taching an optional outdoor
blowingguide(MAC-889SG)
(but both sides and top are
open).
1-4.SELECTINGPIPESIZEANDOPTIONALDIFFERENT-DIAMETERJOINTS
Thediameterofconnectionpipesdiffersaccordingtothetypeandcapacityofindoorunits.Matchthediametersofconnectionpipesforindoorandoutdoor
units according to the following table.
• If the diameter of connection pipes does not match the diameter of pipe end connections, use optional different-diameter joints.
[mm(inch)]
Outdoor unit
Indoor unit
09/12 15/17
Pipe size
(liquid/gas)
6.35(1/4)/9.52(3/8) 6.35(1/4)/12.7(1/2)
A UNIT
6.35(1/4)/9.52(3/8) - / - - / MAC-454JP
B UNIT
FREE SPACE REQUIRED AROUND OUTDOOR UNIT
1-5. SELECTING THE INSTALLATION LOCATION
• Where it is not exposed to strong wind.
• 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air.
• Where rigid wall or support is available to prevent the increase of op
-
eration sound or vibration.
• Where there is no risk of combustible gas leakage.
• When installing the unit at a high level, be sure to secure the unit legs.
• Whereitisatleast3m(9.84ft)awayfromtheantennaofTVsetor
radio.OperationoftheairconditionermayinterferewithradioorTVre
-
ceptioninareaswherereceptionisweak.Anampliermayberequired
for the affected device.
• 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.
•
To prevent exposure to wind, it is recommended to install a baffle
board on the air outlet side of the outdoor unit.
Avoid the following places for installation where air conditioner 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ahotspring.
• Wherethereishigh-frequencyorwirelessequipment.
100(3.94)
or more
500(19.68)ormore
Blowingguide(MAC-889SG)
500(19.68)ormore
200(7.87)
or more
350(13.78)
or more
100(3.94)
or more
100(3.94)
or more
500(19.68)ormore
100(3.94)
or more
Service space
350(13.78)ormore
500(19.68)
or more
• When installing the unit in an area that is enclosed on four sides such
asaverandah,besuretoleavemovethan200mm(7.87in.)behind
the unit as shown.
• Whenthereisalackofairoworthereisapossibilityofbecoming
shortcycle,installanoutletguideandmakesurethereisenough
space behind the rear side of the air inlet.
Note:
Makesurenottoinstallseveraloutdoorunitssidewaysnexttoeach
other.
Window
More than
100(3.94)
Lessthan1,200(47.3)ofthefrontsurfaceside
More than 200
(7.87)
More than
350(13.78)
More than
200(7.87)
More than
200(7.87)
1.
Top side obstacles
When there is an obstacle behind the
rearsideonly,itdoesnotmatterif
there is an obstacle over the top side
asshowninthegurebelow.
3.
Obstacles on front (blowing) side only
In this case, the rear, both sides and
top should be open.
5.
Service space
Keeptheservicespaceasshowninthegurebelowformainte-
nance.
500(19.68)
or more
100(3.94)ormore
[Unit:mm(inch)]
JG79A039H01_En.indd 3 5/9/2008 2:23:41 PM
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