User Manual

Installation Instructions

1. INSTALL THE WALL CASE

AND EXTERIOR GRILLE

The RAB71A/B series or RAB77A4/77B wall case must be

properly installed per instructions packed with the case.

• Remove the corrugated stiffener and the outdoor

protective panel. Use the slit in the outdoor panel

as a handhold and push out.

• Install the exterior grille from the room side following

instructions packed with the grille.

NOTE: For installation with a subbase or duct adapter,

see the instructions packed with those kits.

2. PREPARE THE UNIT

• Carefully remove the foam shipping blocks from the

room front, compressor and outdoor fan. There may

be multiple blocks and pieces of shipping tape that

need to be removed.

• Remove the room cover by pulling it out at the bottom

to release it (1); then lift it up to clear the rail along the

unit top (2).

• If vent door is to be operational, remove shipping

screws from the front side of the vent door, if present.

INSTALLING THE ZONELINE

Shipping tape

(Locations may vary)

Remove the

shipping screws

(if operation is

desired)

Stiffener

Protective

panel

Slit