Valor Portrait 530IN Installation & Owner's Manual page 28

QUALIFIED
INSTALLER
Attaching Air Restrictors—Appliances with Vertical Vent Rise Only
No restrictors are required for appliances which only have a horizontal vent run.
If installing an appliance which has a rear vent outlet connection and no vertical
vent pipe rise, ignore this stage.
Two restrictor sets, like the one shown right, are supplied with each 530 engine unit.
The restrictors cover part of the inlet air openings in the fi rebox rear wall on each
side of the brick support. Do NOT install the restrictors in the roof of the fi rebox!
Each set is assembled with an adjustable piece which can be moved to diff erent
positions depending of the vent confi guration. See the table below to fi nd out which
position is optimal for each type of installation.
• To fi t the restrictors, loosen the two center screws of the left and right inlet ports.
Place the restrictor assembly under the screw heads and tighten the center screws.
• To set the adjustable restrictor piece, loosen the two screws, position the adjustable
piece according to the diagram below and tighten the screws.
Vertical vent
Vent terminal
pipe run
Horizontal Less than 4 ft
through (122 cm)
wall (WITH
vertical rise)
Note: NO
restrictors
required
with straight
out rear
More than 4 ft
venting
(122 cm)
Vertical
through roof
28
Co-Axial Venting
Use restrictor setting
Logs/Rocks Coals
Air Restrictor
DO NOT INSTALL HERE!
INSTALL HERE
inlet air openings
Install restrictors in the
in the fi rebox rear wall
log support.
Adjustable
piece
behind the rear