Lennox-hearth EBVSTNM-B User Manual download pdf (Page 10)

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

To open the outside air shutter, open the bottom

control access panel, reach into the gap between

the ﬁrebox bottom and the modesty panel, and

pull the outside air control lever all the way out.

The outside air shutter should be fully open when

the ﬁreplace is in use and completely closed

when the ﬁreplace is not being used. Closing

it when not in use will prevent outside cold air

from entering the dwelling.

Venting Action and Safety Limit Operation

If you suspect that the appliance is not vent-

ing properly, or you notice windows fogging

or sweating, you may want to conduct the

following spillage test:

1 - Place unit in its normally-operated condi-

tion, that is, with the glass enclosure panels

in place.

2 - Close all doors and windows in the room.

Turn on all exhaust fans in the house.

3 - Light the appliance.

4 - Wait 15 minutes.

5 - To check for venting action, start by

holding a smoke producing device within

an inch of one edge (side edge, not top or

bottom edge) of one glass enclosure panel.

The smoke should be drawn toward the edge

of the glass enclosure panel. Continue the

test by moving the smoke producing device

along the entire length of both side-edges of

the glass door. Repeat the test for all glass

enclosure panels.

6 - If the smoke is not drawn towards the

edges of the glass door turn off the appliance

and call a qualiﬁed service technican.

Manual-Reset Safety Limit Switch

This appliance is equipped with a manual-reset

blocked ﬂue safety limit switch. Refer to Figure

5 for its location. If, during appliance operation,

the ﬂame goes out (independently of the burner

on/off wall switch), it may be due to the opera-

tion of this safety limit switch. First allow the

appliance to cool, then reset the safety switch

by pushing the red reset button on it.

A - To access the blocked ﬂue safety switch

when top radiant panel is not covered with

non-combustible material:

1 - Lift up and remove top radiant panel/eye-

brow assembly on the control side of unit.

2 - Reach between the cabinet side and the

ﬁrebox side wall and locate the blocked ﬂue

safety switch.

3 - Push the red reset button on the

switch.

The appliance should then relight and remain

lit. If this does not occur, turn off the appliance

and call a qualiﬁed service technician.

Figure 5

B - To access the blocked ﬂue safety switch

when top radiant panel is covered with non-

combustible material:

NOTE: This procedure should only be performed

by a qualiﬁed service technician.

1 - Lower bottom hinged panel on the control

side of the ﬁreplace. Remove the glass enclo-

sure panel as described on page 12.

2 - Remove the side bafﬂe securing screws

(5) and then remove the bafﬂe.

3 - Remove the safety switch bracket secur-

ing screws (2), and pull the switch/bracket

assembly through the side panel slot.

4 - Push the red reset button on the switch.

5 - Reinstall the switch/bracket assembly.

6 - Reinstall the side bafﬂe.

7 - Reinstall front glass door.

8 - Raise the bottom hinged panel.

The appliance should then relight and remain lit.

If this does not occur, check unit for a blocked

ﬂue condition.

SAFETY SWITCH LOCATION (EBVST and EBVPF Safety Switch Location Shown)

MANUALLY-RESET

SAFETY LIMIT SWITCH

FIREBOX SIDE BAFFLE

FIREBOX SIDE BAFFLE SECURING SCREW

FIREBOX

SIDE WALL

CABINET

SIDE WALL

TOP RADIANT PANEL

AND EYEBROW

BRACKET

SECURING SCREW

SAFETY SWITCH

WARNING

Do not operate the shutoff lever

unless a complete outside com-

bustion air system has been

installed with your appliance.

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Lennox-hearth EBVSTNM-B User Manual Page 10

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