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SMMS 2-way Air Discharge Cassette Type
CAUTION
New Refrigerant Air Conditioner Installation
• THIS AIR CONDITIONER ADOPTS THE NEW HFC
REFRIGERANT (R410A) WHICH DOES NOT DESTROY OZONE
LAYER.
• The characteristics of R410A refrigerant are; easy to absorb water,
oxidizing membrane or oil, and its pressure is approx. 1.6 times
higher than that of refrigerant R22. Accompanied with the new
refrigerant, refrigerating oil has also been changed. Therefore,
during installation work, be sure that water, dust, former refrigerant,
or refrigerating oil does not enter the refrigerating cycle.
• To prevent charging an incorrect refrigerant and refrigerating oil,
the sizes of connecting sections of charging port of the main unit
and installation tools are changed from those for the conventional
refrigerant.
• Accordingly the exclusive tools are required for the new refrigerant
(R410A).
• For connecting pipes, use new and clean piping designed for
R410A, and please care so that water or dust does not enter.
(*1) Refer to the "Definition of Qualified Installer or Qualified Service Person."
EN-15
2
ACCESSORY PARTS
Accessory parts
Part name
Quantity
Installation Manual
CD-ROM (Installation Manual)
Installation pattern
Installation gauge
Pattern fastening screw
Banding band
Heat insulating pipe
Washer
Hose band
Flexible hose
Heat insulator
Heat insulator
Separate sold parts
• The Ceiling panel and remote controller are sold separately. For the installation of these products, follow the
Installation Manuals supplied with them.
• The wireless type remote controller is designed to be installed by attaching a wireless remote controller kit (sold
separately) to the standard panel. (The wireless remote controller kit consists of a wireless remote controller and
adjust corner caps with a receiver section.)
8
Shape
Usage
1
This manual
Be sure to hand over to customers.
(For other languages that do not appear in this
1
—
Installation Manual, please refer to the enclosed
CD-ROM.)
For confirmation of ceiling opening and indoor
1
—
unit position
For positioning of ceiling position
1
(Incorporated with the installation pattern)
4
For attaching the pattern (M5 ×
4
For anchoring the insulated pipes
2
For heat insulation of pipe connecting section
8
For hanging-down unit (M10 × Ø34)
1
For connecting drain pipe
1
For adjusting center of drain pipe
1
For heat insulation of drain connecting section
1
For sealing of wire connecting port (with slit)
Installation Manual
16)
EN-16
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