Outside Combustion Air Precautions And Recommendations - Martin SF42 Series Installation, Operation And Maintenance Manual

O C
UTSIDE OMBUSTION
N : The use of outside air for combustion is optional unless required by building codes. It is only necessary
OTE
to supply outside combustion air to one side of the fireplace. Use the model AK4 combustion air kit.
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IGURE
INSULATION RING INSULATION RING
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.
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.
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IGURE
SCREWS SCREWS
5" DIA. HOLE 5" DIA. HOLE
FOR AK4 FOR AK4
COMBUSTION AIR ASSEMBLY COMBUSTION AIR ASSEMBLY
FOR MODEL NO. AK4 FOR MODEL NO. AK4
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53D9022. Rev 1 03/03
A P
IR RECAUTIONS
SECURING OUTSIDE AIR STARTING COLLAR TO FIREPLACE SECURING OUTSIDE AIR STARTING COLLAR TO FIREPLACE
LONGER LENGTH OF THE LONGER LENGTH OF THE
TUBE TO OUTSIDE. TUBE TO OUTSIDE.
NAIL NAIL
HOLES HOLES
& R
ECOMMENDATIONS
STEP 2: SECURE OUTSIDE DUCT TO STARTING STEP 2: SECURE OUTSIDE DUCT TO STARTING
COLLAR WITH DUCT CLAMP OR COLLAR WITH DUCT CLAMP
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2" APP. 2" APP.
DUCT DUCT
DUCT CLAMP DUCT CLAMP
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.
OR SCREWS. SCREWS.
INSULATION INSULATION
DUCT CONNECTOR DUCT CONNECTOR