Appliance set-up, A. outside air attachment, Caution – Harman Stove Company P35I User Manual

Page 18

P35i Fireplace Insert

Pellets or Corn/Pellet Mixture Only

Save These Instructions

3-90-775R15_04/13

Appliance Set-Up

A. Outside Air Attachment

Outside Air Kit #1-00-774280 (sold separately) must

be used for attaching outside air to the insert. This kit

contains a 3" stub and gasket to mount to the frame,

and the outside air adapter which secures to the insert

body. The outside air intake connection will seal to the

mounting frame, just like the exhaust does. Follow

the instructions included in the kit to ensure proper

installation.
1. Make a determination of where you want to draw

the outside air from. Here are a few options.

a. Punch a hole through the rear of the fireplace

and exterior wall. Rigid pipe or flex pipe could be

used.

b. Use the chimney or chase as a conduit for

outside air. The exhaust liner must be run the full

length of the flue. When creating your steel plate

to seal the damper area Make another 3 inch hole

for the outside air pipe. Install a short run of pipe

from the mounting frame through the sealing plate.

Then install the chimney top extension kit, item #1-

00-674104 at the top of the chimney. This is slotted

to allow fresh air into the chimney or chase.

2. Secure the outside air supply pipe to the stub on the

mounting frame using a minimum of two fasteners.

3. If running the supply pipe direct, install the outside
air cover weldment #1-10-09542 to keep birds or
rodents from entering the supply pipe.
4. Keep the intake a minimum of 4 feet (1.2 m) below

the exhaust termination.

CAUTION!

Never draw outside combustion air from:

• Wall, floor or ceiling cavity.

• Enclosed space such as an attic or garage

The image at left shows the use of the chimney

for outside air supply. Also shown is the

Chimney intake extension on the top of the

chimney. It is slotted to allow fresh air into

the flue. Be sure to use the proper flashing

and vent cap to prevent rain from entering the

chimney flue.

The image below demonstrates bringing the

outside air in through a hole cut through the

rear of the fireplace and external wall. With this

method, a screen is necessary to prevent birds

or rodents from entering.

Outside Air Intake

Weldment

Intake Stub

Stub Gasket

Stub Mounting

Bolts

Self- drilling

screws (2)

Contents of Outside Air Kit

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