Restrictor Plate; Flue Collar - Montigo DelRay Square DRSQ42NI Installation & Maintenance Manual

Indoor direct vent gas fireplace
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Restrictor plate

The fireplace is equipped with a factory installed restrictor set at fully
open. If fireplace vent is terminated horizontally, NEVER CLOSE the
restrictor completely. Adjust the restrictor opening by judging flame
characteristics after 20 minutes of burn time (on cold start, for first
few minutes the flames might be blue).
If flames ghost off the burners or if sooting occurs (mostly with propane)
open the restrictor fully and work backwards in increments to determine
the correct position.
FOR REAR VENT RESTRICTOR MUST BE LEFT FULL OPEN.
FOR POWER VENTED UNITS RESTRICTOR MUST BE CLOSED.
For most runs that include lengths of both horizontal and vertical pipe,
especially ones with multiple elbows or long horizontal runs, restrictor
should be full open.
Restrictor opening should be adjusted for long vertical lengths with
short horizontal runs or vertical only runs to reduce flue draft.
Recommended settings for vertical runs (depends on installation
specifics, altitude, fuel and other factors):
• For Verticals 3' to 6' – various between fully open to 1" open
• For Verticals 7' to 10' – 1" open or fully closed
• For Verticals over 10' –fully closed
REVISIONS
REV.
DESCRIPTION
DATE
-
.
-
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CANADIAN HEATING PRODUCTS. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF CANADIAN HEATING PRODUCTS IS PROHIBITED.
XG0232 - 043021
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
1/32"
Drawn by
TWO PLACE DECIMAL
.015"
THREE PLACE DECIMAL
.005"
Revision / Date
CHANGED BY
ANGULAR
.5
Revision
ALL BENDS ARE ASSUMED
-
TO BE 90 UNLESS NOTED
Finish
OTHERWISE.

Flue collar

The unit ships with the both 5" and 8" collars inverted, these must be
removed, flipped, and attached to the fireplace with the included ½
quad screws.
1
3
OPEN
INVERTED
1.75" OPEN
1" OPEN
0.5" OPEN
CLOSE
NAME
DATE
Description
DRSQ-Restriction Bracket Assembly
DM
28/05/2020
DWG. NO.
DRSQ-Restriction Bracket Assembly
MATERIAL
SCALE
1:4
WEIGHT:
SHEET 1 OF 1
Installation
Remove the 8"
collar cover.
(attached with ½"
Tek screws)
COLLAR
COVER
Remove the 5"
collar
FLUE
COLLAR
2
Remove the 8"
collar
INVERTED
INTAKE
COLLAR
Flip and attach both
4
collars with the
included hardware
(½" quad screws),
reattach collar cover
HARDWARE
15

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