Valor Fires 940 Owner's Manual download pdf (Page 25)

Co-Axial Venting

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 different

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.

Adjustable

piece

DO NOT INSTALL HERE!

INSTALL HERE

Air Restrictor

Install restrictors in the inlet air openings

in the ﬁ rebox rear wall behind the rear

log support.

Vent terminal

Vertical vent

pipe run

Use restrictor setting

Logs/Rocks Coals

Horizontal

through

wall (WITH

vertical rise)

Less than 4 ft

(122 cm)

More than 4 ft

(122 cm)

Vertical

through roof

Note: NO

restrictors

required

with straight

out rear

venting

QUALIFIED

INSTALLER

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Valor Fires 940 Owner's Manual Page 25

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