VRF Air-Conditioner IOM
2
R410a and whether it is consistent with that of
outdoor unit.
For the installation of outdoor unit, please refer to
the installation and operation instructions attached
for outdoor unit.
3.
Selection of Installation Position
Installation position conditions:
Ceiling strength shall be sufficient to bear the
weight of indoor unit; if not, reinforce first.
Guarantee good ventilation and make gas flow
free from obstructions shielding.
Condensed water is capable of being discharged
smoothly.
There is no combustible gas leakage hazard.
Ensure adequate installation space.
Piping length of indoor unit and outdoor unit is
within an allowable range.
4.
Installation of Indoor Unit
4.1
Open wall hole
Select installation position and determine pipe
passing direction and pipe outlet position.
Select drill bit according to machine model and
use electric hammer or diamond to open wall
hole.
Wall hole size in general: recommended wall hole
diameter Φ90mm for below 056 type and
Φ150mm for above 071 type.
Keep clear of the walls with wire or foreign
matters inside and outside and the superhard walls
as much as possible in holing; the hole inside shall
be 0.5cm~1cm higher than outside considering
drainage; wall hole passing through outlet pipe of
indoor unit side shall be slightly lower than the
indoor unit downside; for holing with diamond,
plastic cloth shall be sticked to wall or other
method may be adopted to prevent water flow to
wall; for holing with electric hammer, dust
prevention measures shall be taken.
4.2
Install the unit
Install Φ10 hoisting bolts (4).
After the unit hoisting, conduct piping and wiring
work in ceiling, and determine the outlet direction
of piping after installation site selection.
Especially on the occasion with existing ceiling,
please pull refrigerant piping, drainage pipe,
indoor and outdoor connecting line and remote
controller line to a connection position before
hanging machine.
Installation method for hoisting bolt.
Match with the existing structure and arrange
thread pitch according to the following shown
machine dimension.
Wooden occasion: arrange hoisting bolt by
mounting square bar on beam
Steel frame occasion: arrange and directly use
supporting angle steel
Existing concrete blank occasion:
Newly prepared concrete blank occasion:
Square bar
Hoisting bolt
Hanging bolt
Hanging bolt
Supporting angle steel
Ceiling
Beam
cm