10.4 Ceiling opening dimensions and
hanging bolt location
①
The dimensions of the paper pattern for installation are
the same as those of the ceiling opening dimensions.
②
Select and mark the position for fixing bolts and piping
hole.
③
Decide the position for fixing bolts slightly tilted to the
drain direction after considering the direction of drain
hose.
④
Drill the hole for anchor bolt on the wall.
1) Install the suspension bolts.
(Use either a W3/8” or M10 size bolt) Use a hole-in anchor
for existing ceilings, and a sunken insert, sunken anchor or
other field supplied parts for new ceilings to reinforce the
ceiling to bear the weight of the unit. Adjust clearance from
the ceiling before proceeding further.
All the above parts are field suppiled.
10.5 Indoor unit installation
• Installing of the accessories (except for the decoration
panel) before installing the indoor unit is easier.
1) Install the indoor unit.
• Attach the hanger bracket to the suspension bolt. Be sure
to fix it securely by using a nut and washer from the upper
and lower sides of the hanger bracket.
NOTE
Ceiling cassette 4-way
_
15
10. Installation
Indoor Units
Indoor unit
Ceiling
Anchor
Long nut or turn-buckle
Suspension bolt
False ceiling
TQ/TR Chassis
Unit: mm(inch)
585~660(23-1/16~26) (Ceiling Opening)
517(20-3/8)
461(18-5/32)
517(20-3/8)
585~660(23-1/16~26) (Ceiling Opening)
523(20-19/32)
570(22-15/32)
Unit Size
570(22-15/32)
Unit Size
319(12-9/16)
Flat washer for M10
(accessory)
Flat washer for M10
(accessory)
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
Set screw of
paper model (4 pieces)
Unit : mm (inch)
Paper model
for installation
Ceiling board
180(7-3/32)
Ceiling board
Ceiling
Keep the length of the bolt
from the bracket to 40(1-9/16)
Open the ceiling board
along the outer edge of the
paper model
Air Conditioner body
Keep the length of 30±3(1-3/16±1/8)
between the air conditioner bottom surface
and the ceiling surface
