GIA giatsu ROUND R32 Manuel De L'utilisateur Et D'installation page 46

Installation of the Unit
2. Installing the Main Body Unit
● Installation of the unit with old ceiling (The ceiling must be level.)
1. Please punching holes in the ceiling with the instruction on the installation model paper.
Notice:
(1) Holes in the ceiling must has the same center with the air conditioning main body.
(2) Before installation, please complete all pipes and wires connection to the indoor machine.
(3) To maintain the ceiling level and prevent vibration, please strengthen the intensity of
the ceiling if necessary.
2. Fit boom on the ceiling according to the hole position on the installation model paper.
(1) Punch 4 holes in the hole position after putting the installation model paper on the
ceiling as the picture shows. The diameter of holes refers to the expansion bolt's, and
it's 60mm to 70mm depth.
Installation
model paper
(2) Insert the expansion bolts into the hole until it
is reliable, then fit the lifting screw into the
expansion bolt.
Notice: Please adjust the length of the lifting
screw according to the height of the
ceiling when installation.
The length of the lifting screw = The height of the ceiling - The height of the lifting frame + L
(the remaining length L usually is 1/2 the length of the lifting screw.)
3. Installing the air conditioner main body
(1) Fit the air conditioner main body on the lifting screw with the special nuts.
(2) Adjust the position of the main body, ensure the ceiling edges evenly spaced and the
underside of the main body is recessed the ceiling 15 to 25 mm.
Punch
position
Fig.3
The ceiling
Fig.5
12
L
15-25mm
Washer nut
Plain washer
Spring washer
Nut
Fig.4