2.3. For authorized service personnel only.
WARNING
For the air conditioner to operate satisfactorily, install it as outlined in this installation
manual.
Connect the indoor unit and outdoor unit with the air conditioner piping and cables
available from your local distributor. This installation manual describes the correct con-
nections using the installation set available from your local distributor.
Installation work must be performed in accordance with national wiring standards by
authorized personnel only.
Do not turn on the power until all installation work is complete.
CAUTION
This installation manual describes how to install the indoor unit only.
To install the outdoor unit, refer to the installation manual included with the outdoor unit.
• Be careful not to scratch the air conditioner when handling it.
• After installation, explain correct operation to the customer, using the operating manual.
2.4. Accessories
The following installation accessories are supplied. Use them as required.
Name and Shape
Q'ty
Operating Manual
1
Installation Manual (This
manual)
1
Wall hook bracket
1
Remote controller
1
Battery
2
The following items are necessary to install this air conditioner. (The items are not includ-
ed with the air conditioner and must be purchased separately.)
Name
Q'ty
Connection pipe assembly
1
Connection cable (4-conductor)
1
Wall pipe
1
Decorative tape
1
Vinyl tape
1
All manuals and user guides at all-guides.com
Name and Shape
Q'ty
Remote controller holder
1
Cloth tape
1
Tapping screw
(M4 × 25 mm)
8
Tapping screw
(M3 × 12 mm)
2
Air cleaning filter
2
Name
Q'ty
Wall cap
1
Saddle
1 set
Drain hose
1
Tapping screws
1 set
Sealant
1
2.5. Optional parts
Refer to each installation manual for the method of installing optional parts.
Parts name
Model No.
Wired Remote Controller *
UTY-RNNM
Simple Remote Controller *
UTY-RSNM
External connect kit *
UTY-XWZX
Communication kit
UTY-XCBXZ1
* Optional communication kit is necessary for the installation.
3. GENERAL
This INSTALLATION MANUAL briefl y outlines where and how to install the air conditioning system.
Please read over the entire set of instructions for the indoor and outdoor units and make sure all
accessory parts listed are with the system before beginning.
3.1. Type of copper pipe and insulation material
CAUTION
Refer to the installation manual for the outdoor unit for description of allowable pipe length
and height difference.
Diameter
Liquid pipe
6.35 mm (1/4 in.)
CAUTION
Install heat insulation around both the gas and liquid pipes. Failure to do so may
cause water leaks.
Use heat insulation with heat resistance above 120 °C. Reverse cycle model only)
In addition, if the humidity level at the installation location of the refrigerant piping is
expected to exceed 70%, install heat insulation around the refrigerant piping. If the
expected humidity level is 70-80%, use heat insulation that is 15 mm or thicker and if
the expected humidity exceeds 80%, use heat insulation that is 20 mm or thicker.
If heat insulation is used that is not as thick as specifi ed, condensation may form on the surface
of the insulation.
In addition, use heat insulation with heat conductivity of 0.045 W/(m•K) or less 20 °C.
3.2. Additional materials required for installation
A. Refrigeration (armored) tape
B. Insulated staples or clamps for connecting wire (See your local electrical codes.)
C. Putty
D. Refrigeration lubricant
E. Clamps or saddles to secure refrigerant piping
4. ELECTRICAL REQUIREMENT
The indoor unit is powered from the outdoor unit. Do not power indoor unit from separate
power source.
WARNING
Refer to local codes for acceptable cable type.
Cable
Cable size
Connection cable
Type 60245 IEC 57
2
(1.5 mm
)
Max. Cable Length: Limit voltage drop to less than 2%. Increase cable gauge if voltage
drop is 2% or more.
Application
For air conditioner operation
For air conditioner operation
For control input/output port
For the installation of optional parts
Gas pipe
12.7 mm (1/2 in.)
Remarks
3 cable + Ground, 1 Ø 230 V
En-2