Monessen Hearth BWB400 - Manual (Page 62)

22
O
UTSIDE
C
OMBUSTION
A
IR
P
RECAUTIONS
& R
ECOMMENDATIONS
N
OTE
: The use of outside air for combustion is optional unless required by building codes. It is only necessary
to supply outside combustion air to one side of the fireplace. Use the model AK4 combustion air kit.
STEP 1: SECURE OUTSIDE AIR STARTING COLLAR TO LEFT SIDE OF STEP 1: SECURE OUTSIDE AIR STARTING COLLAR TO LEFT SIDE OF
FIREPLACE WITH FOUR SHEET METAL SCREWS PROVIDED.
FIREPLACE WITH FOUR SHEET METAL SCREWS PROVIDED.
NOTE: THE STARTING COLLAR EXTENDS THROUGH THE OUTER NOTE: THE STARTING COLLAR EXTENDS THROUGH THE OUTER
FIREPLACE JACKET AND WILL SEAL AGAINST THE FIREBOX WALL
FIREPLACE JACKET AND WILL SEAL AGAINST THE FIREBOX WALL
WHEN SECURED AS INDICATED.
WHEN SECURED AS INDICATED.
LONGER LENGTH OF THE LONGER LENGTH OF THE
TUBE TO OUTSIDE.
TUBE TO OUTSIDE.
STEP 2: SECURE OUTSIDE DUCT TO STARTING STEP 2: SECURE OUTSIDE DUCT TO STARTING
COLLAR WITH DUCT CLAMP
COLLAR WITH DUCT CLAMP OR OR SCREWS. SCREWS.
SECURING OUTSIDE AIR STARTING COLLAR TO FIREPLACE SECURING OUTSIDE AIR STARTING COLLAR TO FIREPLACE
INSERT SHORTEST SIDE INSERT SHORTEST SIDE
OF THE TUBE THROUGH
OF THE TUBE THROUGH
THE FIREPLACE OUTER
THE FIREPLACE OUTER
WRAP TO PROPERLY
WRAP TO PROPERLY
SEAL AGAINST FIREBOX
SEAL AGAINST FIREBOX
WALL AND GASKET.
WALL AND GASKET.
INSULATION RING INSULATION RING
INSTALLATION OF THE MODEL 403 INSTALLATION OF THE MODEL 403
DUCT CONNECTOR
DUCT CONNECTOR
1. Push the insulation back approximatly 2"
1. Push the insulation back approximatly 2"
from the end of each duct .
from the end of each duct .
2. Slip each duct over the duct connector until
2. Slip each duct over the duct connector until
an equal length of the connector extends into
an equal length of the connector extends into
each duct.
each duct.
3. Place a duct clamp over the end of each duct
3. Place a duct clamp over the end of each duct
and tighten it down snuggly.
and tighten it down snuggly.
4. Push the insulation back into place and over
4. Push the insulation back into place and over
the duct clamp.
the duct clamp.
DUCT CONNECTOR DUCT CONNECTOR
DUCT CLAMP DUCT CLAMP
DUCT DUCT
INSULATION INSULATION
2" APP. 2" APP.
COMBUSTION AIR ASSEMBLY COMBUSTION AIR ASSEMBLY
FOR MODEL NO. AK4
FOR MODEL NO. AK4
SCREWS SCREWS
5" DIA. HOLE 5" DIA. HOLE
FOR AK4
FOR AK4
NAIL NAIL
HOLES
HOLES
F
IGURE
24
F
IGURE
25 F
IGURE
26
53D9032. Rev 1 03/03