American Standard PFWF071A93ABA Installation Manual page 65

Oil fired water boiler with three pass cast iron heat exchanger
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JOINT ASSEMBLY (Illustration #2 & #3)
1) Loosen the gear clamp attached to the adapter sleeve.
2) Pull the corrugated inner pipe out of the vent pipe for easy access to insert the adapter.
3) Apply sealant around the corrugated end of the adapter.
4) Align the flat seams at the end of both corrugated pipes and insert the adapter into the vent pipe. Screw
the adapter into the vent pipe with a counterclockwise motion. The adapter should be fully inserted into
the inner vent pipe until it's tight. The seams of both pipes must be aligned for ease of insertion. If the
adapter does not completely screw into the vent pipe, unscrew it and try again as per Step # 4.
5) Seal around edge of vent pipe inner pipe.
6) Tighten the gear clamp to complete the connection.
7) If the vent requires cutting to length, a fine toothed hacksaw can be used. Remove any burrs and flare out
the end of the inner vent pipe for easy installation of the adapter.
VENT PIPE
ILLUSTRATION # 2
TIGHTEN GEAR CLAMP
ILLUSTRATION # 3
INSTALLING TERMINAL (Illustration #4 & #5)
1) Determine the terminal location.
2) Cut 8-1/4" dia hole through the wall (slightly larger than the O.D. of the terminal).
3) Pull apart the inner and the outer terminal sections.
4) Slide the outer wall plate over the outer section of the terminal until it rests against the bead.
5) From the outside of the building, insert the outer section through the hole until it rests against the wall.
6) From the inside of the building, slide the inner wall plate over the outer section and secure using
four (4) screws.
7) Position the outer section so the seam on the flue collar is on the top and the air intake on the
bottom. Secure the outer section by tightening the gear clamp around it. The gear clamp is factory
welded to the inner wall plate.
8) Seal with a weather proof sealant around the bead and edge of the outer wall plate to prevent
water from getting inside.
ILLUSTRATION # 4
TERMINAL OUTER SECTION
BEAD
OUTER WALL PLATE
APPLY SEALANT
ADAPTER SLEEVE
ADAPTER PIPE
ALIGN SEAM
PULL OUT INNER PIPE
SEAL AROUND EDGE
WALL
APPLIANCE or TERMINAL ADAPTER
SCREW IN COUNTERCLOCKWISE
ILLUSTRATION # 5
OUTER WALL PLATE
BEAD
EXHAUST
AIR INTAKE
SEAL
INNER WALL PLATE
GEAR CLAMP
SCREWS
18-CG03D1-4
65

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