VRF Air-Conditioner IOM
2
to avoid damaging or scratching of the unit.
When moving the unit during or after unpacking,
be sure to avoid putting any pressure or strength
on the refrigerant piping, drain pipe or the other
plastic parts, which may damage the unit.
Before installing the unit, be sure to check the
type of refrigerant to be used is R22 or R410A
which should be same as outdoor unit.
For the installation of the outdoor unit, please
refer to the installation manual attached to the
outdoor unit.
3
SELECTING INSTALLATION SITE
If it has the possibility that the temperature and
humidity inside the ceiling might exceed 30°C and
RH80%, please reinforce the insulation on the
unit.
Use glass wool or polyethylene foam as insulation
and its thickness is more than 10mm.
3.1 INSTALLATION SITE REQUIREMENTS
The ceiling is strong enough to bear the indoor
unit weight. If not, please reinforce the ceiling
before installation.
Ensure optimum air distribution and nothing
blocks the air passage.
Condensate water can be drained out smoothly.
No risk of flammable gas leakage.
Ensure sufficient clearance for maintenance and
service. (Refer to Fig. 1)
Piping between indoor and outdoor units is within
the allowable limit.
Fig. 1 Clearance for Maintenance and Service
4
INDOOR UNIT INSTALLATION
4.1 Confirm the installation position
Refer to Fig. 2 to see the unit’s diameter and confirm the installation location.
NO
CAUTION
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