Lectrical Equirements; Lower Iring Iagram; Lower Emoval; Lass Oor Leaning And Epair - LG B-VENT GAS GC3 Installation And Operation Manual

Merit series b-vent gas fireplace insert
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To remove the front door open the side doors, release the
front door latches on either side and rotate the top of the
glass door forward and down until it stops. Once it is all
the way open, lift it slightly, move it to the left and pull it
away from the insert. Place door on a nonabrasive surface
being careful not to damage door or glass. When cooled the
exterior glass may be cleaned with a clean, soft cloth and
windex. For cleaning white condensation from the interior
glass use KEL KEM gas fireplace glass cleaner available
from your insert dealer. Use of caustic or abrasive cleaners
may damage glass.
NOTE: BE CAREFUL NOT TO SPRAY COMMERCIAL GLASS
CLEANER WITH AMMONIA ON GASKET AREA OF DOOR.
AMMONIA WILL DISSOLVE GASKET GLUE.
NOTE: GOLD PLATED SURFACE MUST BE CLEANED WITH
GLASS CLEANER AND SOFT RAG BEFORE FIRING THE
FIRST TIME OR FINGER PRINTS AND STAINS WILL REMAIN
PERMANENTLY. NEVER USE BRASS POLISH TO CLEAN
GOLD, THIS WILL REMOVE GOLD PLATING!
Front door glass replacement should be completed only by
a qualified technician.
g
d
C
lass
oor
leaning
Cleaning: Do not remove or clean the glass door when hot.
A gas door glass cleaner (available from your Lennox Hearth
Products dealer) or windex should be used with a soft cloth
to clean the glass. Do not use an abrasive cleaner.
Repair: If the glass is broken in the glass door, the entire
door (metal frame, gasket, and glass) should be replaced
as a unit. This replacement unit is available from your Len-
nox Hearth Products dealer. Do not use substitute parts or
materials.
Caution: Do not operate this insert with broken glass.
b
w
d
lower
iring
iagram
Figure 1
18
a
r
nd
epair
Blower
Main Power Cord Wire (White)
Main Power Cord (Black)
b
r
lower
emoval
Unplug the power supply cord from the electrical outlet prior
to removing the blower. The fan can be accessed through the
back wall of the firebox. Caution: Label all wires prior to
disconnection when servicing controls. Wiring errors can
cause improper and dangerous operation. Verify proper
operation after servicing. See the fan-wiring diagram below
for reference. Remove the glass door, log set, and brick pan-
els. All of these items are fragile so handle them with care.
Remove the two allen-head screws at the left and right front
of the air control panel and lift the panel out. Next, remove
the nine allen-head screws around the outside of the panel
fastened to the back wall of the firebox. Rotate the top of
this panel toward the front, remove the two wires connected
to the fan, and then lift the panel with the fan attached out
of the firebox. To reinstall the fan, repeat these steps in the
reverse order.
e
leCtriCal requirements
This gas insert operates without an outside power source,
however the fan/blower requires a 120 Volt electrical service
outlet. The blower must be electrically grounded in accor-
dance with local codes. In the absence of local grounding
codes, the National Electrical Code ANSI/ NFPA 70 - latest
edition. The blower is equipped with a three pronged (ground-
ing) plug for your protection against electrical shock hazard
and should only be plugged into a properly grounded three
prong receptacle. DO NOT CUT OR REMOVE THE GROUND-
ING PRONG FROM THE PLUG FOR ANY REASON!
See Millivolt Control Schematic (Figure 19) for information
on thermostat and On/ Off switch.
See Blower Wiring Diagram (Figure 1) for information on
the wiring and electrical requirements for the blower.
Pan Snap Switch
Snap Switch
Snap Switch Connection
Connection
Wire (Black)
Wire (White)
Speed control Connection Wire (Black)
Speed Control ConnectionWire (White)
Main Power Cord Wire (Black)
Ground Wire (Green)
Fan Speed Control
Speed Control
Wire (Red)
Speed Control Connection
Speed Control Connection Wire (Black)
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Speed Control
Wire (Red)
Speed Control
Connection Wire
(White)

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