6

SELECTING LOCATION PRE-INSTALLATION PREPARATION

Clearances

SELECTING LOCATION

To determine the safest and most efficient location for your appli- ance, you must take into consideration the following guidelines:

1.The location must allow for proper clearances (see Clearances, next column).

2.Consider a location where heat output would not be affected by drafts, air conditioning ducts, windows, or doors.

3.A location that avoids the cutting of joists or roof rafters will make installation easier. Figure 2 shows a plan view of a few common locations.

Flush installations are recommended where living space is limited or at a premium, and since the space required to enclose the appliance would be located beyond an outside wall, this would also reduce the cutting of joists, roof rafters, and such. Check local codes for any restrictions.

PRE-INSTALLATION

PREPARATION

CLEARANCES

Minimum clearances to combustibles are:

 

Back and Sides of Outer Surround

0" min.

Drywall to Sides of Front Face (Nailing Flanges) ... 0" min.

“B” Vent Surfaces

1" min.

Ceiling to Opening

42" min.

Floor

0" min.

Perpendicular Wall

See Figure 6, page 7

CAUTION: Do not block required air spaces with insulation or any other material. Do not obstruct effective opening of appliance with any type of facing material.

Projected installations can extend any distance into the room. A projection may be ideal for a new addition on an existing, finished wall.

Corner installations make use of space that may not normally be used and provides a wider and more efficient range for radiant heat

Back

2 x 4 Stud

Nailing

Flange

transference.

Internal wall installations provide a discreet option for room separation and can also be ideal as an addition to an existing wall.

0" Clearance

Left Side

Surround

0"

 

CORNER

 

 

 

 

 

INTERNAL WALL

INSTALLATION

 

 

Front Face

 

Drywall

INSTALLATION

 

 

 

 

 

 

 

 

 

 

 

 

Figure 3 - Minimum Clearances (Top View)

 

 

 

 

 

1" (25mm) Min.

 

 

 

 

Clearance to

 

 

 

 

"B" Vent’s Outer Pipe

FULL

FLUSH

Ceiling

 

 

 

 

INSTALLATION

 

 

 

 

 

PROJECTION

 

 

 

 

 

 

42" (1067mm)

 

 

 

 

INSTALLATION

 

 

 

 

 

 

Min. Clearance

 

 

Maintain 2" (51mm) Min.

 

 

from Opening to

 

 

Clearance to the Transition

 

 

Ceiling

 

 

Pipe as Measured at the

 

 

0" Clearance

 

 

Outer Vent Collar

 

 

*

*

*

*

Required Air

Figure 2 - Possible Locations for Installing Appliance

 

 

 

 

Spaces are

 

 

 

 

Indicated with

 

 

 

 

 

 

 

 

 

 

 

 

an "*". Do Not

 

 

 

 

 

 

Pack with

 

 

 

 

 

 

Insulation or Any

 

 

 

DO NOT BLOCK

 

Other Material

 

 

 

 

 

 

 

 

OR OBSTRUCT

 

 

 

 

0" Clearance to

 

OPENINGS

 

 

 

 

 

 

 

 

 

 

Combustible or

 

 

 

 

 

 

Noncombustible

 

 

 

 

 

 

Flooring

 

 

 

 

Figure 4 - Minimum Clearances (Front View)

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Desa VM42E(B, VM36E(B installation manual Selecting Location, PRE-INSTALLATION Preparation, Clearances