ARU24RLF Installation Manual

En-9
6.2A.2. INSTALL THE FILTERS
• Install the filters to the unit.
Filter (Accessories)
AR9/12/18: 2 filters
AR24: 3 filters
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
377 mm
(14-27/32)
unit: mm (in.)
AR9/12 AR18 AR24
A 734 (28-29/32) 934 (36-25/32) 1134 (44-21/32)
6.2A.4. FIX THE UNIT
(1) Hang the unit
Hanger bolt
Nut A
(Field supply)
Nut B
(Field supply)
Washer
(Accessories)
Hanger
Hanger bolt
Nut A
(Field supply)
Washer
(Accessories)
Nut B
(Field supply)
Unit
Hanger
20 mm
(25/32 in.)
length
Cover
*: It might become difficult to open and shut the Cover /control
box cover when the length exceeds 20 mm (25/32 in.).
(2) Leveling
Base horizontal direction leveling on top of the unit.
Ceiling
Level
OK
NO GOOD
10mm (13/32 in.) or less