Operator`s manual

Operator's Manual: Model CB-1400
4-19
Installing the Stack (continued)
Figure 4L - Installation of "Class A" Stack Through Roof/Ceiling
EVERY FITTING TO MAINTAIN PROPER DRAFT OVERFIRE
EXHAUST GASES FROM
IT IS FACING AWAY FROM
MUST BE INSTALLED SO
BAROMETRIC DAMPER
INSTALLING "CLASS A" STACK
"CLASS A" KIT FOR
THROUGH CEILING
ATTENTION:
MIN. 8"
STACK SIZE:
I88833
SINGLE WALL STACK
MIN. 24 GAUGE
ROOF FLASHING
WATERTIGHT
FREE FLOW OF THE STACK GASES
"CLASS A" STACK CAP − NON−RESTRICTIVE TYPE
TO ALLOW
"CLASS A" STACK COMPONENTS
10 FT. MIN. VERTICAL STACK HEIGHT PLUS 1 FT. FOR
INSULATED STACK WITH A STAINLESS STEEL LINER
10 FT.
2 FT.
SETTING DRAFT.
ADJUST BAROMETRIC
DAMPER FOR −.04 W.C.
DRAFT AT BREECH
1/4" HOLE FOR
WARNING! MAKE SURE TO INSTALL
THE PROPER ROOF SUPPORT
SYSTEM TO SAFELY SUPPORT THE
STACK
WARNING! ENSURE PROPER
CLEARANCES BETWEEN STACK
COMPONENTS AND COMBUSTIBLES
PER ALL APPLICABLE CODES.
NOTE: THE LAST STACK SECTION SHALL EXTEND AT LEAST
3 FEET ABOVE THE HIGHEST POINT AT WHICH IT COMES IN
CONTACT WITH THE ROOF AND AT LEAST 2 FEET HIGHER
THAN ANY RIDGE, PARAPET, WALL OR ROOF STRUCTURE
WITHIN 10 FEET OF IT.
−0.02 W.C. DRAFT
OVERFIRE IS
ESSENTIAL FOR
PROPER FURNACE
OPERATION.
SEE SECTION 8