Installation Instructions
INSTALLING THE ZONELINE
1INSTALL THE WALL CASE AND
EXTERIOR GRILLE
The RAB71 series or RAB77 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.
Protective |
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panel |
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Stiffener 
•Install the exterior grille from the room side following instructions packed with the grill.
Insulated Wall Case
This unit is designed to be installed in a GE plastic or an insulated steel wall case. This minimizes condensation from forming on the room side of the case.
The RAB71 series wall cases are insulated. Insulation kit RAK901L is available for use with RAB77 or existing uninsulated wall cases when needed.
NOTE: For installation with a subbase or duct adapter, see the instructions packed with those kits.
2PREPARE THE ROOM CABINET
•Carefully remove shipping tape, if there is any, from the room cabinet and vent door.
Shipping 
tape
•Remove the shipping screw/clamp from the top of the vent door, if present.
Remove shipping screw and clamp if present
•Remove the room cabinet by pulling it out at the bottom to release it (1), then lift it up to clear the rail along the unit top (2).
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