Lifebreath CAF-02-MB Bedienungsanleitung PDF herunterladen (Seite 24)

Locating Intake Weatherhood

The intake weatherhood should be located

as follows:

• 4 - 6' from ventilation exhaust hood, and

upstream of prevailing winds, if possible.

• At least 6' from a dryer vent, oil fill pipes,

combustion outlets, gas meters, garbage

containers or anything else, which may

contaminate the air.

• Do not locate fresh air intake in garages,

crawl spaces or attics.

• Install 18" above grade, or above

expected snow accumulation.

Locating the Exhaust

Weatherhoods

The Exhaust Weatherhood should be located

as follows:

• At least 4-6' from the supply inlet

• At least 18" above grade or expected

snow accumulation

• At least 3' from gas meters, combustion

vents, or dryer vents

• Do not install in garages, crawl spaces

or attics

Outside Ducting the Weatherhoods

The ventilation portion of the Clean Air Furnace

can be vented off either side of the unit by remov-

ing knockouts provided. Once the knock

outs in are removed, a bead of silicone can be

placed on the plastic thermo-collars

(provided), to form a seal between the collars and

the cabinet. The collars can then be

fastened into place with screws. Note the

exhaust outlet is always the port on the bottom,

and the supply inlet is always the port on the top,

both ports should be labeled from the factory

as such.

The ductwork from the outside weatherhoods to

the unit, is usually flexible ducting, although rigid

pipe may be needed if the runs are greater than

20 feet. In either case the pipes (both exhaust and

supply and the added fittings) must be

insulated, with a complete vapor barrier.

To minimize restriction in airflows the ducting

should be short, with as few bends as possible.

See diagram below for recommended

connection

of insulated ducting to outside weather

hoods.

1. Thermal Collar slides over galvanized

sleeve of Weatherhood.

2. Fasten Thermal Collar to Belt.

3. Slide the Insulated Flexible Ducting over

the Weatherhood's galvanized sleeve and

fasten it to the Thermal Collar.

4. Hood is hinged to allow for easy access

for cleaning of bird screen.

WEATHERHOOD INSTALLATION

1/4" (6 mm) SCREEN

(front view)

EXTERIOR

WALL

SCREEN

(side view)

COLLAR IS SUPPLIED TO

ENSURE VAPOUR BARRIER

IS 100% SEALED TO

WALL PLATE

12" galvanized

pipe supplied

Locating Weatherhood

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Lifebreath CAF-02-MB Bedienungsanleitung Seite 24

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