Installation Guide

En-2
1-4. 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operation
soundorvibration.
• Where there is no risk of combustible gas leakage.
• When installing the unit, be sure to secure the unit legs.
• Where it is at least 10 ft. (3 m) away from the antenna of TV set or radio.
Operation of the air conditioner may interfere with radio or TV reception 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vibra-
tion
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bafeboardon
the air outlet side of the outdoor unit.
Avoidthefollowingplacesforinstallationwhereairconditionertroubleisli-
able 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.
• 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.
•
When installing two or more units, do not install the units in front or be-
hind
each other.
1.
Obstacles above
When there is no obstacle in front
and on the sides of the unit, it is al-
l
owed 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-2C MXZ-3C MXZ-5C Liquid
/ Gas
1/4 (6.35)
→
3/8 (9.52) : PAC-493PI
3/8 (9.52)
→
1
/2 (12.7) : MAC-A454JP-E
3/8 (9.52)
→
5/8 (15.88) : PAC-SG76RJ-E
1/2 (12.7)
→
3/8 (9.52) : MAC-A455JP-E
1/2 (12.7)
→
5/8 (15.88) : MAC-A456JP-E
Refer to the installation manual of indoor unit for the diameter of connection pipe of indoor unit.
– A
UNIT A UNIT 1/4 (6.35) / 1/2 (12.7)
A, B UNIT B - C UNIT B - E 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
(PAC-SH96SG-E) (but both sides and top are open).
3-15/16 (100) or more
Blowing guide (PAC-SH96SG-E)
19-11/16 (500) or more
BH79A088H01_en.indd 2 2014/08/05 13:34:46