Page 42
Installation and Operation Manual - Osburn 3500-I
ENGLISH
APPENDIx 3: FRESH AIR INTAKE KIT INSTALLATION
Note : The fresh air intake kit may be installed on the right or left end side of the unit.
1. Using pliers, remove the rectangular metal plate
(A)
retained by the micro-seals to clear the
opening for the outside air intake.
A
B
C
D
E
D
F
2. Install the fresh air intake adapter
(B)
with four screws
(C)
then secure the flexible pipe
17
(E)
(not
included) to the adapter
(B)
using one of the pipe clamps
(D)
. Secure the other end of the pipe
to the outside wall termination
(F)
using the other pipe clamp
(D)
. The outside wall termination
(F)
must be installed outside of the home.
17
T
he pipe must be HVAC type, insulated, and must comply with ULC S110 and/or UL 181, Class 0 or Class 1.
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