Osburn BRITANNIA 31, Инструкция по установке и эксплуатации, Страница: 15 / 44

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Note:
If at any time the vent-air intake piping is dismantled, use the vent manufacturer’s instructions
and the sealing instructions for reassembly.
For horizontal termination:
The maximum horizontal length using the minimum vertical length must consist of:
•
A minimum of 24'' (610 mm) of vertical length directly on top of stove.
•
One 90 degree elbow.
•
A maximum of 24" (610 mm) of horizontal length.
•
Wall thimble.
•
Horizontal termination cap.
•
Termination cap heat shield.
The minimum vertical length using the maximum horizontal length consists of:
•
A minimum of 4' (1219 mm) vertical length directly on top of the stove.
•
A maximum of 5 - 90 degree elbows.
•
A maximum of 20' (6096 mm) total horizontal length.
•
Wall thimble.
•
Horizontal termination cap.
A rear vent system consists of: (Note: no elbows allowed)
•
0-24” (610mm) of horizontal length.
•
A wall thimble.
•
36” Vent Snorkel #981 (Simpson Dura Vent) (not for use with Security 36" snorkel).
For vertical termination:
The maximum vertical system consists of:
•
Up to 40' (12192 mm) of vertical length.
•
A maximum of 5-90 elbows.
•
A maximum of 20’(6096 mm) total horizontal length.
•
Fire stop, flashing, collar.
•
High Wind termination cap.
Use a ceiling fire stop when penetrating a ceiling. Use a round support box/wall thimble when
penetrating an inside wall, or on an outside wall, only when additional support or decorative trim is
required. The round support box is not required on basic installations. Vent terminals shall not be
recessed into a wall or siding.
NOTE: In Canada local codes may require the use of a wall thimble on horizontal terminations.