U.S. Boiler Company MPO - IQ, Инструкция по эксплуатации

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Figure 26: Vent Pipe Assembly to Vent Termination
Inner Pipe & Appliance Adapter
Figure 27: Oil Burner Installation (Beckett shown)
G. INSTALLING THE AIR INTAKE PIPING FROM
DIRECT VENT TERMINATION TO BURNER
OUTSIDE AIR ADAPTER
1. Use 4" diameter galvanized single wall vent pipe and
fittings, available at most heating distributors, to connect
burner outside air adapter to Direct Vent Termination air
intake collar.
VI. DIRECT VENTING / AIR INTAKE PIPING (continued)
2. Maximum air intake pipe length is 40 equivalent feet.
WARNING
DO NOT reduce size of air intake pipe.
3. Start at burner and work towards Direct Vent termination
air intake.
4. Remove burner cover. Loosen two screws securing
outside air duct bracket to burner cover mounting plate.
See Figure 27.
5. Procure a 2-ft section of 4" diameter galvanized single
wall vent pipe, cut off the crimped pipe end below stop
bead.
6. Insert one end of the vent pipe thru the outside air duct
bracket opening and firmly push onto the outside air
adapter collar.
7. Secure the pipe to collar with at least (3) sheet metal screws
(installer provided) evenly spaced around the collar.
NOTICE
It is essential to ensure reliable operation that
combustion air joints are air tight and that VRV is
located as close to the burner as possible.
8. Re-tighten the screws securing outside air duct bracket
to burner cover mounting plate.
9. Install supplied vacuum relief valve tee assembly, crimped
end down, into the opposite end of vent pipe.
10. Secure the tee to the pipe with at least (3) sheet metal
screws (installer provided) evenly spaced.
11. Remove the vacuum relief valve gate assembly from the
tee.