18
P01432Q-rev.1
(3) After brazing, insulate the pipes after checking that there is no leakage.
At that time, be sure to cover the space between two insulating piece by insulation pipe (factory-supplied
accessory).
Pull
Thermal Insulation
Thermal Insulation
Thermal Insulation Pipe
(Accessory)
Thermal Insulation Pipe
(Accessory)
as before
No Gap
Thermal Insulation Pipe
(Accessory)
Thermal Insulation Pipe
(Accessory)
Liquid Pipe
Gas Pipe
Field Installation Pipe
Indoor Unit
No Gap for Dew Protection
Long Band
: 13/16 inch (20mm)
Long Band
Thermal insulation
pipe should be attached
so that the seam is
on the top.
Figure 6.2 Insulating Pipes
(4) Evacuation and refrigerant charging procedures should be performed according to “Installation &
Maintenance Manual” of the outdoor unit.
Make sure that the refrigerant leak test has been performed. Refrigerant (fluorocarbon) for this unit
is non-flammable, non-toxic and odorless. However if the refrigerant should leak and contact with
fire, toxic gas will be generated. Also because the fluorocarbon is heavier than air, it settles near
the floor, which could cause suffocation.
