En-9
6.2A.2. INSTALL THE FILTERS
• Install the fi lters to the unit.
Filter (Accessories)
AR7/9/12/18: 2 fi lters
AR24: 3 fi lters
Unit
Filter
6.2A.3. DRILLING HOLES FOR BOLTS AND IN-
STALLING THE BOLTS
• Using the installation template, drill holes for bolts (4 holes).
Drilling position
for bolts
Installation template
A
Air
14-13/16 in.
(377 mm)
unit: in. (mm)
AR7/9/12 AR18 AR24
A 28-7/8 (734) 36-3/4 (934) 44-5/8 (1134)
6.2A.4. FIX THE UNIT
(1) Hang the unit
• Use hanger bolts of size M8 or M10 (5/16 or 3/8 in.).
Hanger bolt
Nut A (Field
supply)
Nut B (Field
supply)
Washer (Ac-
cessories)
Hanger
Hanger bolt
Nut A (Field
supply)
Washer (Ac-
cessories)
Nut B (Field
supply)
Unit
Hanger
13/16 in.
(20 mm)
length
Cover
*:
It might become diffi cult to open and shut the Cover /control
box cover when the length exceeds 13/16 in. (20 mm).
(2) Leveling
Base horizontal direction leveling on top of the unit.
Ceiling
Level gauge
OK
PROHIBITED
1 in. (10 mm) or less
9374342419_02_IM.indb 99374342419_02_IM.indb 9 2015/6/25 10:27:072015/6/25 10:27:07
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