Schwank STR-JZ Manuel du propriétaire télécharger pdf (Page 18)

SP-MSJR-BX-08C

STR-JZ Manual

RD: NOV 2006

RL: 8C

Page 14

9. FLUE VENTING

THIS STR-JZ SERIES IS APPROVED FOR DIRECT VENTING APPLICATIONS. THE

SYSTEM MUST NOT BE OPERATED WITHIN A NEGATIVE AIR CONDITION, UNLESS

COMBUSTION AIR IS BROUGHT IN FROM OUTSIDE DIRECTLY TO THE BURNER.

F A SEVERE NEGATIVE PRESSURE IS EXPERIENCED OR ANTICIPATED, THE

SECOND PORT (BARB) ON THE BLOCKED FLUE SWITCH SHOULD BE CONNECTED

DIRECTLY TO OUTSIDE AIR USING 1/4” PLASTIC HOSE FROM BLOCKED FLUE

SWITCH TO OUTSIDE OF BUILDING (NOT SUPPLIED).

DIRECT VENTED APPLICATION

A minimum 6” length of single-wall ‘C’ Vent is to be installed on the swaged end of the last

tube before any Tee or Elbow is fitted. All venting must be single wall "C" vent except that

portion of vent passing through a combustible wall or roof then type "B" vent may be used as

per CSA's interim requirement. When venting horizontally, the flue vent system must slope

downwards approximately 1/4" per foot toward the vent terminal, starting at the termination of

the radiant tube. For horizontal through the wall venting, the approved manufacturer 4" or 6"

horizontal wall vent terminal (JA-0528/9) should be used and mounted 18" from the outside

wall to the inside edge of terminal opening to alleviate back pressure caused by turbulent wind

conditions (See Fig 17). This will also ensure flue gases are directed away from the structure to

protect building materials from degradation by the exhausted flue gases. It is the responsibility

of the installer to be familiar with current local codes or ANSI Z223.1 / CSA.B149.1-00 latest

editions for all venting requirements, and practices.

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Schwank STR-JZ Manuel du propriétaire Page 18