-
172
-
Set blow-out pattern
● Select the most proper number of blow-out air supply port direction from 4 way, 3 way or 2 way according to the shape of
the room and installation position. (1 way is not available.)
● If it is necessary to change the number of air supply port, prepare the covering materials.
(sold as accessory)
● Instruct the user not to use low fan speed when 2way or 3way air supply is used.
● Do not use 2way air supply port under high temperature and humidity environment. (Otherwise it could cause condensation
and leakage of water.)
● It is possible to set the airflow direction port by port independently. Refer to tne userís manual for details.
(ii) Preparation before installation
q If suspension bolt becomes longer, do reinforcement of earthquake resistant.
a For grid ceiling
When suspension bolt length is over 500mm, or the gap between the ceiling and roof is over 700mm, apply earth-
quake resistant brace to the bolt.
b In case the unit is hanged directly from the slab and is installed on the ceiling plane which has enough strength.
When suspension bolt length is over 1000mm, apply the earthquake resistant brace to the bolt.
w Prepare four (4) sets of suspension bolt, nut and spring washer (M10 or M8) on site.
Ceiling opening, Suspension bolts pitch, Pipe position
a
control box
H
F
AB
D
H
H
345
260
303
840
Drain hose piece
(Accessory)
control box
Air return grille
Air filter
H
C
860 to 910 (Ceiling hole size)
778 (Suspension bolts pitch)
G
725 (Suspension bolts pitch)
648
420
420
Hanger plate
for suspention bolt
(Installed on site)
50 or more
173
123
207
150
Symbol
A
B
C
D
F
G
H
Gas piping
Liquid piping
Drain piping
Hole for wiring
Suspension bolts
Outside air opening for ducting
Air outlet opening for ducting
Type
28 to 71 type
90 to 160 type
246
298
a35
83
13
11
65
50
38
76
97
13752.5
11265
140
60
100
14068
100
G H
hole
hole
(mm)
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