4
Installation
WARNING
Install the air conditioner certainly to sufficiently withstand the weight.
If the strength is insufficient, the unit may fall down resulting in human injury.
Perform a specified installation work to guard against earthquake.
An incomplete installation can cause accidents by the units falling and dropping.
CAUTION
Strictly comply with the following rules to prevent damage of the indoor units and human injury.
Do not put a heavy article on the indoor unit or let a person get on it. (Even units are packaged)
Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, use
buffering cloth or other material to not damage the unit.
To move the indoor unit, hold the hooking brackets (4 positions) only.
Do not apply force to the other parts (such as refrigerant pipe, drain pan, foamed parts, or resin parts).
Carry the package by four or more persons, and do not bundle it with plastic band at positions other than
specified.
To install vibration isolation material to hanging bolts, confirm that it does not increase the unit vibration.
External dimensions
Unit external dimension 55.1"(1400)
51.0"(1296) Outside
Hole for hanging bolt
(4-Ø0.5"(12)×1.2"(30))
3.5"(90)
3.5"(90)
Air discharge side
3.5"(90)
1.1"(27)
27
Hanging bolt mounting pitch
57.7"(1465)
Air intake side
11-EN
(
Unit: in (mm))
4.0"(101)
Air flow direction
Air
discharge
3.7"(95)
Refrigerant pipe
connecting port
(Liquid side) Ø1/2"(12.7)
(Flare nut connection)
12.6"
(321)
8.7"
(221)
Refrigerant pipe
Drain pipe
connecting port (Gas side)
connecting port
Ø7/8"(22.2)
(Gravitiational drainage)
(Brazing connection)
1.3"(34)
1.7"(43)
Installation of indoor unit
All issues related to locating the unit above the
ceiling, hanging the unit from the building structure,
routing/suspending the unit refrigerant piping, routing/
suspending the unit wiring and penetrating the ceiling
for supply and return air connections to the indoor unit
must comply with all applicable codes and regulations.
The indoor unit should be hung above the ceiling
using minimum 3/8" × 4 bolts, or threaded rods
(4 pieces required) along with 3/8" × 12 nuts
and 3/8" flat washers.
Hanging bolts and nuts to be procured locally.
Hanging bolt
W3/8" (M10)
4 pieces
Nut
W3/8" (M10)
12 pieces
Hanging bolt
(W3/8" (M10))
Flat washer
Nut
(W3/8" (M10))
(W3/8" (M10))
(Accessory)
Flat washer
Nut
(W3/8" (M10))
(W3/8" (M10))
(Accessory)
The unit should be positioned level and plumb
without pitch in any direction. The bolts, or threaded
rods should be attached to the building structure in
compliance with all applicable codes and regulations.
The spacing for the support bolts, or rods should
match the dimensions provided on the unit External
dimensions in this manual.
Check that four sides are horizontal with a level
gauge. (Horizontal degree: Within 0.2" (5 mm))
– 6 –
REQUIREMENT
Hang the unit in a horizontal position.
When unit is hanged to slant, it may cause
overflow of drainage.
Install the unit within the dimension according to
the figure below.
Use level gauge to confirm whether the unit is
hang horizontally.
Front view
Set the drain pipe connecting port side
within 0.2" (5 mm) lower than opposite side.
Side view
Set the air intake and air discharge
sides are within 0.2" (5 mm) with each
other.
Installation of wired remote
control (sold separately)
For installation of the wired remote control refer to
the instructions that are supplied with the control.
The connection point for the control wiring and the
entrance point for the control wiring are clearly marked
in the instructions.
EN
EN
ID
12-EN