Montigo L-Series DF-ST Guia de Instalação descarregar pdf (Página 4)

Page 4

L-Series DF-ST See-thru Gas Fireplace

Part No. XG0812

f i r e f e a t u r e

Installation

Cautions:

Vent terminations can be very hot. If the termination is less

than 7 feet above a public walkway, it should be tted with

a certied Montigo Heat Guard. (Part no. PTKOG).

Do not obstruct, or attempt to conceal, the vent termination.

These actions will affect the operation of the replace,

and may be hazardous.

In heavy snow areas, take extra care to prevent snow

buildup from obstructing the vent termination.

Use Montigo VSS Vinyl Heat Shield when using on

applications with vinyl siding to guard against possible

damage.

Installing The Gas Line

The gas line must be installed before completing the installation of the

L38DF-ST or L42DF-ST Fireplace. Natural Gas requires a minimum

inlet gas supply pressure of 5.5" W.C. & a manifold pressure of 3.5" W.C.

Propane Gas requires a minimum inlet gas supply pressure of 11" W.C.

& a manifold pressure of 10" W.C. Provision must also be made for a

1/8" N.P.T. plugged tapping and be accessible for test gauge connection

immediately upstream of the gas supply controls to the appliance. The

replace gas connection and the main operating gas valve is located

behind the removable trim at the bottom of the unit and need only be

attached to the gas line with an approved tting, as required by the

applicable installation codes.

To access the replace gas connection the main burner must be

removed as shown below in gure 5a.

• Only use gas shut-off valves approved for use by the state, province,

region, or governing body, in which the appliance is being installed, or

as required by the applicable installation codes.

• Flexible gas connectors must not exceed 3 feet in length, unless it is

allowable within applicable installation codes.

Note: After gas line is connected, each appliance connection,

valve and valve train must be checked while under normal

operating pressure with either a liquid solution, or leak

detection device, to locate any source of leak. Tighten any

areas where bubbling appears or leak is detected until

bubbling stops completely or leak is no longer detected.

DO NOT use a ﬂame of any kind to test for leaks.

Figure 5a. Gas line access.

The appliance and its individual shut-off valve must be disconnected

from the gas supply piping system during any pressure testing of that

system at test pressures in excess of 1/2 psig (3.5 kPa).

The appliance must be isolated from the gas supply piping system by

closing its individual manual shut-off valve during any pressure testing

of the gas supply piping system at test pressures equal to or less than

1/2 psig (3.5 kPa).

Vent Installation

This section covers the installation of direct venting and terminations.

Installation Requirements

L38-DF-ST and L42DF-ST ﬁreplaces are certiﬁed for use with Montigo

Standard Series (5" / 8") venting components.

Minimum clearance to combustible construction around the vent pipe

is 1" on all sides, except on horizontal venting where the top of the pipe

must have a clearance of at least 2".

Use only certiﬁed Montigo vent components. (Use of other parts will void the

Montigo warranty, and may impede the operation of the ﬁreplace.)

All joints must be secured with a minimum of two screws per joint

Vent terminations must not be recessed in walls or siding

Horizontal runs must be supported by a minimum of two supports per horizontal

run. A minimum of one screw on each side of support is also required

Flex vent sections may be stretched up to 50% of their total length (eg. a

24" section may be stretched to 36")

Maximum horizontal run with no vertical rise is 6 feet.

Flex vent sections over 6 feet must fall within the limits set by the venting

graph and must have a minimum vertical rise of 3 inches per foot of ﬂex.

Solid vent sections may be cut less than half way from the female end

Venting components can be used in any combination of solid/rigid pipe or ﬂex

pipe and in any orientation (Male connectors can face in any direction)

Installing The Remote Switch

The L38DF-ST and L42DF-ST's gas valve, located behind the lower

trim, may be connected to a wall switch. The valve generates its own

power on a millivolt circuit. Use only low voltage wire, and DO NOT

connect any external power to it.

Note: The switch location must not exceed 30' from the replace.

7”

1 3/4”

2 3/8”

1 3/4”

1 2 3 4 5 6 7 8 9 ... 21 22

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