WALL SLEEVE
RETAINER
CLIP
SIDE EXTENSION:
TRIM TO FIT
SUBBASE
CUT AT PROPER DEPTH AND
DISCARD EXCESS
WALL
RETAINER
SCREW
LEVELING
BOLTS
4 .5”
ADJUSTABLE
4.5” TO 15.5”
Manufacturer of Quality Air Conditioning and Heating Products • www.islandaire.com • sales@islandaire.com • (800)-886-2759
27
Figure 22
Assembled Subbase
Figure 23
Subbase Installation
Subbase Assembly & Installation
Subbase Assembly &
Installation
Electrical Subbase Assembly
An electrical Subbase provides a convenient location for unit
wiring to be connected to building wiring. It also provides
support for the indoor portion of the unit.
Subbase Selection
Select a subbase according to the power requirements of the
unit. See Subbase Selection chart on page 28.
Subbase Electrical Connection
The wiring should be roughed in and the conduit connected to
the subbase junction box. Complete the installation by wiring
the receptacle to the incoming power supply.
Subbase Installation Notes:
1. Insert the side extension pieces into the front assembly
and determine the required assembly depth by placing the
assembly under the wall sleeve.
2. Determine the depth of the side extension pieces desired and
cut at the proper depth. Subbase may be installed without
the side extension pieces.
3. Insert leveling bolts into the subbase bottom flange. Four (4)
bolts are required if the side extensions are used.
4. Place the subbase on the floor and align its center line with
the center line of the wall opening.
5. Secure the subbase to the wall sleeve with the two retainer
clips provided.
