Zephyr AK92AS オーナーマニュアル

7.  Using a fl at head screwdriver, remove 8” round 

or 3 1/4”x10” rect. knock-out plates at the back 
of the insert. 

9.  Place top rectangular cover plate over opening 

on top of the insert. NOTE: Make sure the 
cover plate tabs are on top of the cover plate as 
shown. From inside the insert, secure plate to 
top of insert with (2) 3/16 x 3/8 screws. 

A

A

B

C

C
B

8.  Remove knock-outs A and B for rectangular 

ducting. Remove knock outs B and C for round 
ducting.

Rect.
ducting

Round
ducting