Regency C34-NG2 - Manual (Page 13)

Regency CLASSIC C34-2 Direct Vent Freestanding Gas Heater 13
VENTING ARRANGEMENTS -
VERTICAL TERMINATION
SYSTEMS FOR RESIDENTIAL MAN-
UFACTURED AND MOBILE HOMES
The shaded area in the diagram below shows all allowable
combinations of straight vertical and offset to vertical runs with
vertical terminations. Maximum two 45
o elbows.
All vertical and offset to vertical vent installations require Vent Restrictor
Position "R" (Right). If the vent is ENCLOSED in a chase (min. size 9" x
9") maintain a 1-1/4" clearance to combustibles.
May be installed in Manufactured (Mobile) Homes after first sale.
Venting Arrangements Examples:
Example A) Venting has a horizontal termination.
A 7 ft. vertical run with 6 ft. horizontal run does not fall within the shaded area, and therefore is an allowable installation with
the factory set vent restrictor position of "C".
Example B) Offset to Vertical Vent.
A 15 ft. vertical run with 4 ft. horizontal offset distance falls within the shaded area and is an allowable installation with Vent
Restrictor Position "R" (Right).
VENTING ARRANGEMENTS -
HORIZONTAL TERMINATIONS FOR
ALL VENTING SYSTEMS
The shaded areas in the diagram below show all allowable
combinations of vertical runs with horizontal term-inations.
Maximum one 90
O elbow (two 45 o elbows equal one 90 o
elbow).
Propane and Natural Gas: Residential, Manufactured
and Mobile Homes Installations
The venting arrangements diagrammed below, have a min. of 75% (flue
loss) efficiency with Fan Off, as required for manufactured homes.
(Actual efficiency may be as high as 85%)
May be installed in Manufactured (Mobile) Homes after first sale.
NOTE: See page 9 for installation instructions for the Vent Restrictor Position.
INSTALLATION
Straight Vertical and Offset to Vertical Terminations
use Vent Restrictor Position "R" (Right)