Page 1
INSTALLATION AND
C
US
®
OPERATION INSTRUCTIONS
MERIT™ PLUS SERIES
LENNOX HEARTH PRODUCTS
36" Electric Fireplace
P/N 775,172M REV. G 04/2007
MODEL:
This manual will enable you to obtain a safe, efficient and dependable
installation and operation of your electric fireplace. Please read and
understand these instructions before beginning your installation.
Do not alter or modify this fireplace or its components under any circumstances. Any modification or alteration of the fireplace system, including
but not limited to the fireplace and accessories, may void the warranty,
listings and approvals of this system and could result in an unsafe and
potentially dangerous installation.
IMPORTANT! IF OPTIONAL GLASS DOORS ARE PURCHASED, TO
ASSURE PROPER ALIGNMENT, INSTALL THIS FIREPLACE IN A
SQUARE AND PLUMB CONDITION, USING SHIMS AS NECESSARY
AT SIDES. THIS APPLIANCE IS MOUNTED ON RUBBER FEET TO
ENSURE ADEQUATE AIR CIRCULATION BENEATH FIREPLACE.
DO NOT BLOCK AIRFLOW AT THE BOTTOM AIR INTAKES.
INSTALLER: DO NOT DISCARD THIS MANUAL
MPE-36R
PLEASE LEAVE FOR THE HOMEOWNER
SAVE THESE INSTRUCTIONS
FOR FUTURE REFERENCE
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE
VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER
APPLIANCE.
Lennox™ electric fireplaces are designed for use as a decorative appliance and/or as a supplemental heater. They are not
intended for continuous use as a primary heat source.
A French manual is available upon request. Order P/N 775,172CF
Ce manuel d’installation est disponible en francais, simplement en
faire la demande. Numéro de la pièce 775,172CF.
Report # C1482763
Page 2
IMPORTANT SAFETY AND
WARNIING INFORMATION
READ THIS MANUAL IN ITS
ENTIRETY AND UNDERSTAND
THESE RULES TO FOLLOW FOR
SAFETY.
IMPORTANT
These fireplaces are designed
as supplemental heaters. Therefore, it is advisable to have an
alternate heat source when
installed in a dwelling.
UNDER NO CIRCUMSTANCES SHOULD
THIS FIREPLACE BE MODIFIED. PARTS
HAVING TO BE REMOVED FOR SERVICING MUST BE REPLACED PRIOR TO
OPERATING THE FIREPLACE AGAIN.
DO NOT USE THIS APPLIANCE OUTDOORS. DO NOT EXPOSE FIREPLACE
TO THE ELEMENTS (SUCH AS RAIN,
ETC.).
WARNING
If the information in this manual
is not followed exactly, an electrical shock or fire may result
causing property damage, personal injury or loss of life.
IMPORTANT
Before starting your fireplace
installation, read this installation and operation manual
very carefully to ensure you
understand it completely and in
entirety. Failure to follow these
instructions may result in a possible electric shock, fire hazard
and/or injury or property damage
and will void the warranty.
CAUTION
This appliance is mounted on
rubber feet. The purpose of these
feet is to ensure adequate air
circulation beneath the fireplace.
Do not remove these feet. Do not
install the fireplace directly onto
a carpet, rug, furniture or similar
surfaces, which could hinder or
block the airflow.
CAUTION
Extreme caution is necessary
when any heater is used by or
near children or invalids and
whenever the heater is left operating and unattended.
2
IMPORTANT
Cold climate installation recommendation: when installing this
fireplace against a non-insulated
exterior wall or chase, it is
mandatory that the outer walls
be insulated to conform to applicable insulation codes.
WARNING
To prevent contact with sagging or loose insulation, the
appliance must not be installed
against vapor barriers or exposed
insulation. Localized overheating could occur and a fire could
result. Insulation and a vapor
barrier should be placed a
minimum of 2 inches from the
appliance.
TO PREVENT A POSSIBLE FIRE,
DO NOT BLOCK AIR INTAKES OR
EXHAUSTS IN ANY WAY. DO NOT
USE NEAR SOFT SURFACES, LIKE
A PILLOW, WHERE OPENINGS MAY
BECOME BLOCKED.
THIS APPLIANCE MAY BECOME HOT
WHEN IN USE. TO AVOID BURNS, DO
NOT LET BARE SKIN TOUCH HOT SURFACES. KEEP COMBUSTIBLE MATERIALS, SUCH AS FURNITURE, PILLOWS,
BEDDING, PAPERS, CLOTHES AND
CURTAINS AT LEAST 3 FEET (1 METER)
FROM THE FRONT OF THIS APPLIANCE.
DO NOT OPERATE ANY HEATER WITH
DAMAGED WIRING OR CONNECTORS,
OR AFTER THE APPLIANCE MALFUNCTIONS, OR IF IT HAS BEEN DROPPED
OR DAMAGED IN ANY WAY.
ANY REPAIRS TO THIS FIREPLACE
SHOULD BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
THIS APPLIANCE IS NOT INTENDED
FOR USE IN BATHROOMS, LAUNDRY
AREAS OR SIMILAR INDOOR LOCATIONS. NEVER LOCATE THIS APPLIANCE WHERE IT COULD FALL INTO
A BATHTUB OR OTHER WATER CONTAINER.
DO NOT RUN ELECTRICAL WIRING OR
POWER CORD UNDER CARPETING. OR
COVER WITH THROW RUGS, RUNNERS
OR SIMILAR MATERIALS.
FOR 120 VAC POWER CORD AVOID THE
USE OF AN EXTENSION CORD BECAUSE
THE EXTENSION CORD MAY OVERHEAT
AND CAUSE A RISK OF FIRE. HOWEVER, IF YOU HAVE TO USE AN EXTENSION CORD, THE CORD SHALL BE NO.
14 AWG MINIMUM SIZE AND RATED
NOT LESS THAN 1800 WATTS, 15
AMPS. THE EXTENSION CORD MUST
BE A THREE CONDUCTOR SHEATH
CABLE WITH GROUNDING TYPE PLUG
AND CORD CONNECTION.
THIS APPLIANCE HAS HOT AND ARCING
OR SPARKING PARTS INSIDE. DO NOT
USE IT IN AREAS WHERE GASOLINE,
PAINT OR FLAMMABLE LIQUIDS ARE
USED OR STORED.
THIS FIREPLACE SHOULD NOT BE USED
AS A DRYING RACK FOR CLOTHING, NOR
SHOULD CHRISTMAS STOCKINGS OR
OTHER DECORATIONS BE HUNG NEAR IT.
USE THIS APPLIANCE ONLY AS
DESCRIBED IN THIS MANUAL. ANY
OTHER USE IS NOT RECOMMENDED BY
THE MANUFACTURER AND MAY CAUSE
A FIRE, ELECTRIC SHOCK OR INJURY
TO PERSONS.
IF APPLIANCE IS TO BE DISCONNECTED, TURN OFF CONTROLS FIRST.
DO NOT INSERT OR ALLOW FOREIGN
OBJECTS TO ENTER ANY VENTILATION
OR EXHAUST OPENING, AS THIS MAY
CAUSE AN ELECTRIC SHOCK, FIRE, OR
DAMAGE TO THE APPLIANCE.
SAVE THESE INSTRUCTIONS.
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CONGRATULATIONS!
In selecting this LENNOX Merit Plus electric fireplace, you have chosen the finest and
most dependable fireplace found anywhere. A beautiful and prestigious addition to
the finest homes. Welcome to a Family of hundreds of thousands of satisfied LENNOX
Fireplace Owners.
Please read and carefully follow all of the instructions found in this manual. Please
pay special attention to the safety instructions provided in this manual. The instructions included here will assure that you have many years of dependable and enjoyable
service from your LENNOX product.
Power Supply Wire Gage
Voltage Wire Gage Fuse
120 V 14 GA. 15 AMP
240 V 14 GA. 20 AMP
Wall Switch / Thermostat Wire Gage
Voltage Wire Gage
5 VOLTS 18 GAGE
Table 1
TABLE OF CONTENTS
Important Safety Information ............Page 2
Packaging List ...................................Page 3
Introduction ......................................Page 3
General Information ..........................Page 3
Locating Fireplace ............................. Page 3
Tools/Supplies Required .................. Page 3
Framing Specifications ..................... Page 4
Fireplace Specifications .................... Page 4
Clearances ....................................... Page 5
Pre-installation ................................. Page 5
Installation Steps ............................. Page 5
Electrical Connections ...................... Page 5
Final Finishing .................................. Page 6
Break-In Period ................................ Page 6
Control Panel Operation ................... Page 6
Remote Control Operation ............... Page 7
Maintenance ..................................... Page 8
Wiring Diagrams .............................. Page 10
Troubleshooting ............................... Page 15
Replacement Parts ........................... Page 16
Optional Accessories ........................ Page 18
PACKAGING LIST
This assembled Electric Room Heater is
packaged with:
• One accessory package located in the
firebox, containing;
1. One Installation and Operation Manual.
2. One Warranty Certificate.
3. One Remote Control.
• Two spare Light Bulbs are located in a
recess on the back of the log assembly.
INTRODUCTION
This Electric Fireplace is designed for
residential applications to be framed in as
a zero clearance fireplace.
This appliance has been tested in accordance with UL 2021 and CSA C22.2 No.
46-M198 standards for fixed and location
dedicated electric room heaters.
Installation must conform to local codes.
In the absence of local codes, electrical
wiring and grounding must comply with
the National Electrical Code ANSI/ NFPA
70 - latest edition. In Canada, the current
CSA C22-1 Canadian Electrical Code - latest
edition.
GENERAL INFORMATION
Power Supply Wire Specifications
120 Volt, 60 Hz, 1600 Watts:
(ref. Page 10)
Hard Wire Connection - Use two conductor,
non-metallic sheath cable with ground wire
(total three wires) for the incoming power
supply. The wire used must conform to local
and national electrical codes for the specified
power consumption rating. See Table 1.
240 Volt, 60 Hz, 3000 Watt:
(ref. Page 11)
Use three conductor, non-metallic sheath cable
with ground wire (total four wires) for the
incoming power supply. The wire used must
conform to local and national electrical codes
for the specified power consumption rating.
See Table 1.
Wall Switch or Wall Thermostat Kits
(optional kits, see Page 17)
Low voltage wire is provided for the wall switch
connection. The wires gage requirements are
shown on Table 1.
WARNING
Do not install or operate this fireplace through a switch wired in the
120 VAC or 240 VAC circuits. The
only approved wiring for a switch
is through the low voltage circuit
(24 VAC) as shown on Page 14.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
LOCATING YOUR MERIT PLUS ELECTRIC
FIREPLACE
Your new fireplace may be installed into existing
framing or built into a wall (see Figure 1).
When choosing a location for your new fireplace, ensure that the general instructions are
followed. Also, for the best effect, install the
fireplace out of direct sunlight and away from
overhead lighting. See Figure 1.
Top View Showing Approved
Room Locations of Fireplace
fireplace shown in gray.
Figure 1
TOOLS AND BUILDING SUPPLIES
NORMALLY REQUIRED
TOOLS:
Phillips Screwdriver
7/16" Socket Drive
Hammer
Saw And/or Saber Saw
Level
Measuring Tape
Plumb Line
Electric Drill And Bits
Pliers
Square
Gloves
BUILDING SUPPLIES:
Framing Materials
Wall Finishing Materials
Caulking Materials
(noncombustible)
IMPORTANT NOTE: This fireplace system
is not difficult to install. However, in the
interest of safety, it is recommended that
the installer be a qualified or certified
“tradesman” familiar with commonly
accepted fireplace installation and safety
techniques as well as prevailing local
codes.
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FRAMING SPECIFICATIONS
37-5/8"
(954 mm)
24 "
(610 mm)
14-7/8"
(32 mm)
5-1/8 "
(130 mm)
36 "
(914 mm)
2-1/4 "
(55 mm)
29-3/4 "
(754 mm)
32 "
(812 mm)
Front View
Top View
Right Side
Left Side
Electrical Access
13-3/4"
(350 mm)
5-1/4 "
(134 mm)
24-1/2"
(622 mm)
27-1/2 "
(
700 mm
)
21-1/8 "
(537 mm)
Electrical Access
Cover
Power Cord
Front View
Side View
37-1/2 "
(945 mm)
26-1/2 "
38-5/8 "
(668 mm)
(981 mm)
52-3/4 "
(1339 mm)
32 "
(812 mm)
4 "
(102 mm)
15-1/8 "
(384 mm)
Corner View
Electrical
(left side)
Junction
Box
Electrical
Junction
Box
38-3/4 "
(984 mm)
Note: Framing dimensions are calculated for a nailing flange depth of 1/2"
Figure 2
4
FIREPLACE SPECIFICATIONS
Figure 3
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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FIREPLACE SPECIFICATIONS
Cat. No. H1534
Model: MPE-36R
Description: Merit Plus Electric Fireplace,
36” Radiant
Shipping Weight: 90 lb.'s (41 KG)
Packaging:
44-3/4” x19-1/2” x 34-1/4”
(1135 mm x 495 mm x 870 mm)
17.30 cu. ft.
Power Requirements:
(120 Volt, 60 Hz.)
Rated Wattage - 1600 Watts
Amperage - 13.33 Amps
(240 Volt, 60 Hz.)
Rated Wattage - 3000 Watts
Amperage - 12.5 Amps
Blower CFM: 83 CFM
(120 V): 5,461 BTU/HR
(240 V): 10,239 BTU/HR
MINIMUM CLEARANCES TO COMBUSTIBLES
This appliance is a zero-clearance design and
is approved to be framed in with combustible
materials (up to the edge of the appliance).
A drywall lip at the top of the fireplace and 4
nailing flanges on the sides of the appliance is
provided to facilitate installation.
Clearances
Sides 0 inches - 0 mm
Floor 0 inches - 0 mm
Top 0 inches - 0 mm
Table 2
Mantel Clearance: Combustible and Non-combustible mantels may be installed at any height
above the top of the face of fireplace.
Hearth Protection: A hearth is not mandatory,
but it is recommended for aesthetic purposes.
Secure the hearth extension to the floor to
prevent possible shifting. Do no block the airflow beneath the appliance (read the following
WARNING).
PRE-INSTALLATION
Before You Start
Check appliance for any concealed damage.
DETAILED INSTALLATION STEPS
1. Complete the framing opening to the dimen-
sions specified in Figure 2.
2. Prepare the connections to power source:
120 Volt Connections - Locate the power
cord on the left side of the unit and connect
it to the outlet installed during the framing
(see Figure 2). Verify that the power to the
receptacle is off.
Hard wired installation:
Ensure that there is a minimum of 8" of the
service cable for connection to the junction
box on the fireplace.
- Loosen four screws to remove the junction
box cover plate.
- Disconnect and remove the 120 Volt power
cord from the fireplace wires.
- Position the fireplace into the framed-in
opening. Attach fireplace to frame using
nailing flanges provided.
- Complete the wiring to the fireplace as
shown on Page 10.
- Place all wire connectors inside the junction
box.
- Attach junction box cover plate with four
screws.
240 Volt Connections - Ensure that there
is a minimum of 8" of the service cable
for connection to the junction box on the
fireplace.
- Loosen four screws to remove the junction
box cover plate.
- Disconnect and remove the 120 Volt power
cord from the fireplace wires.
- Position the fireplace into the framed-in
opening. Attach fireplace to frame using
nailing flanges provided.
- Complete the wiring to the fireplace as
shown on Page 11.
- Place all wire connectors inside the junction
box.
- Attach junction box cover plate with four
screws.
The fireplace wires L1, L2, N, N1, N2 and
G are attached to the rear of the junction
box cable clamp for easy access.
3. Wire a dedicated, properly fused circuit with
an Amp rating for the appropriate voltage
(120 V - 15 Amps or 240 V - 20 Amps).
A dedicated circuit is required to prevent
overloading a house circuit in cases of having
multiple appliances on the same circuit.
Use an outlet that is protected by a ground
fault circuit interrupter where required by
electrical code.
(If applicable) Make wall mount wall switch
4.
or wall thermostat connections as outlined
on Pages 11 & 12.
5. Perform a function test. See Manual Control
Panel Operation
Control Operation
on Page 6 and Remote
on Page 7.
ELECTRICAL CONNECTIONS
Refer to the electrical diagrams on Pages 10
to 14.
WARNING
Electrical wiring must comply
with local building codes and
other applicable regulations to
reduce the risk of fire, electrical
shock and injury to individuals.
IMPORTANT
Any electrical re-wiring of this
appliance must be done by a
qualified electrician.
WARNING
Do not use this fireplace if any
part of it has been underwater.
Immediately call a qualified
service technician to inspect the
fireplace and replace any part of
the electrical system which has
been under water.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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Page 6
FINAL FINISHING
Materials such as brick and tile can be extended
down to the top of the fireplace. Do not extend
down, covering the outlet or glass enclosure
panel (optional kit).
MANUAL CONTROL PANEL OPERATION
(refer to Figures 5 & 6)
Once this appliance has been properly installed
and connected to the power supply as defined
in this manual, it is ready to operate.
MANUAL CONTROL PANEL
Main Power On/Off (rear most switch)
On
Off
There are a wide variety of “finished looks” for
these fireplaces, from formal wall decor with
elaborate mantels to rustic wood paneling or
warm brick facings.
Accent Trim Installations
An optional accent trim kit is available from your
dealer (see Page 18). These options give the
appliance an attractive finished look.
Hearth
An aesthetically pleasing fireplace hearth can
be installed, if desired (see hearth protection
on Page 5).
BREAK-IN PERIOD:
During the first few initial uses of this heater,
there may be a release of a slight, harmless
odor. This odor is a normal occurrence caused
by the initial heating of the internal heating
elements and should not reoccur.
Note: Ensure the circuit breakers for the power
supply are turned on.
This appliance can be operated either from the
manual control panel (see Figures 4 & 5) or
by using the remote control, wall switch or wall
thermostat (optional kits).
The manual controls are located on the firebox floor on the front left (see Figure 5). If an
optional glass enclosure is installed, it must be
removed to access.
Main Power ON/OFF Switch
When the main power switch is turned on, power
is supplied to the fireplace. This switch must be
on for all other switches to operate.
Heater ON/OFF Switch
When this switch is turned on, the heater will
emit heat in the temperature range selected (see
Figure 6; G, H & I). The fireplace can operate
with or without heat.
Flame / Ember On/Off Switch:
Turns lights on inside ember bed and flame
cylinder.
Heater On/Off (center switch)
On
Off
Flame / Ember On/Off (front most switch)
On
Figure 4
Off
Manual Control Switches
are located behind pull
screen on inside floor
Figure 5
• When using the main power on/off switch
inside the manual control panel, the power
on/off switch outside the manual control
panel (optional wall switch kit) must be in
the OFF position.
• When using power on/off switch outside
the manual control panel (optional wall
switch), the power on/off switch inside the
manual control panel must be in the OFF
position.
• When using the remote control, the power
on/off switch inside the manual control
panel and the wall switch (optional kit)
must be on the OFF position.
6
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Page 7
REMOTE CONTROL OPERATION:
REMOTE CONTROL
A
D
F
G
H
POWER
ON/OFF
DISPLAY
Dimmer
EMBERS
HEATER
TEMP. CONTROL
HIGH
MED.
FLAME
LOWER
ON/OFF
Brighter
ON/OFF
LOW
HIGHER
J
The functions identified on the remote (see
Figure 6) are as follows:
A. POWER BUTTON
Press once to turn on power to fireplace.
B. INDICATING LIGHT
Illuminates when signal is sent.
B
C
E
I
K
C. LIGHT BUTTON
On/off switch for flame and ember light.
D. LIGHT ADJUSTING BUTTON (DIM)
Reduces brightness of embers.
E. LIGHT ADJUSTING BUTTON (BRIGHTEN)
Increases brightness of embers.
F. HEATER ON/OFF
This button will turn the heater ON and OFF
independent of the main button.
G. TEMPERATURE ADJUSTMENT BUTTON
(HIGH)
Highest heat output, up to 86° F.
H. TEMPERATURE ADJUSTMENT BUTTON
(MED.)
Medium heat output, up to 75° F.
I. TEMPERATURE ADJUSTMENT BUTTON
(LOW)
Lowest heat output, up to 64° F.
J. FLAME ADJUSTING BUTTON (LOWER)
Reduces flame intensity.
K. FLAME ADJUSTING BUTTON (HIGHER)
Increases flame intensity.
4. To increase the brightness, press and release
the light brighten button (see E). Each time
you press this button you will hear a beep,
and the brightness will increase slightly until
the maximum brightness is achieved. To
decrease the brightness, press and release
the light dimming button (see D). Each
time you press this button you will hear
a beep, and the brightness will decrease
slightly until the minimum brightness is
achieved.
5. Heater Button - To activate the heater, press
the heater button (see F), then press HI
(G),
MED (H), or LO (I). The heater is preset to
the following temperatures:
• HIGH will shut off when room reaches
approximately 86° F (30° C).
• MED. will shut off when room reaches
approximately 75° F (24° C).
• LO. (Low) will shut of when room reaches
approximately 64° F (18° C).
• When using the remote control, the power
on/off switch inside the body and the wall
switch (optional kit) must be on the OFF
position.
Figure 6
CAUTIONS
• Do Not Use Old Batteries With
New Ones.
• Do Not Use Batteries Other That
The Type Specified (2 Ea. AA).
• Ensure Batteries Are Correctly
Installed In Remote Control.
The Merit Plus Electric Fireplace is provided with an Infrared light Remote Control.
All functions of the fireplace can be controlled through the remote control. Note:
The Effective range of the remote control
is up to approximately 26 feet (8 meters).
Remote Control Operation Steps:
1. To control the electric fireplace by remote
control, the main power on/off switch
should be in the off position. This switch is
located on the front left floor of firebox (see
Figures 4 & 5).
2. When operating the remote control, it must
be pointed at the logs inside the electric
fireplace and a beep must be heard each time
you press a function button. The beep lets
you know the remote control is operating the
function button you are pressing.
3. Remote On/Off Button - The button on the
top left (see A) is the on/off power button.
When pressing this button you will hear a
beep, this will activates the power to the
fireplace. You must then press the display
button (C) to activate the lights.
Note: If the flame does not come on immediately, adjust brightness and intensity
(buttons E & K).
6. Flame Button - Press the Flame Adjusting
Buttons to achieve a higher or lower flame
intensity (see J & K).
7. To Increase Flame Brightness press and
release the (K) button. Each time you press
this button you will hear a beep and the
brightness of the flame will increase slightly,
until the maximum setting is reached. To
Decrease Flame Brightness press and
release the (J) button. Each time you press
this button you will hear a beep and the
brightness of the flame will decrease slightly,
until the minimum setting is reached.
8. To turn the electric fireplace off, Press the
On/Off button once (A), when you hear the
beep the fireplace will be completely off.
When you restart your fireplace with the
remote control, all settings will restart at the
high settings programmed at the factory. You
may also simply press the (C) button to turn
off the flame and still use the heater.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
7
Page 8
MAINTENANCE
This appliance has been designed to provide
many years of trouble-free service. The components that will need to be serviced have been
kept to a minimum. Periodic dusting of the
fireplace is all that should be required.
CAUTION
Disconnect power before
attempting any maintenance or
cleaning to reduce the risk of
fire, electrical shock or personal
injury.
WARNING
When cleaning the fireplace, the
fireplace must be cool.
3. Open the screens (remove glass panel
enclosure, if applicable).
4. OPTIONAL: To ensure that the brick panel
isn't accidentally scratched, you may wish
to remove it before proceeding:
Brick Panel Removal Procedure:
a. Remove the 2 screws on the front of the
grate. Remove Grate (see Figure 8).
b. Lift out Log / Ember assembly and set
aside. Caution: Be careful not to scratch
the finish.
c. Remove the top brick panel retaining
bracket (see Figure 15). Be very careful
to hold the bracket when removing the
2 screws to ensure the bracket doesn't
fall.
d. Remove the left and right side brick panel
retaining brackets (see Figure 15). Be
very careful to hold the bracket when
removing. Remove the bottom screw
first to avoid the frame falling down after
both screws are removed.
b. Turn the power and heater switches on
and check for proper operation.
c. Turn off power to the fireplace.
d. Using one hand to hold the handle of the
heater/blower assembly, slowly push it
back up and line up the holes for the 5
screws. Install the 5 screws to secure
the new heater/blower assembly to the
mounting plate.
7. (If brick panel was removed) Reverse
instructions on Step 4.
8. Reinstall glass panel enclosure, if applicable.
Grate
Figure 8
CLEANING THE GLASS ENCLOSURE
PANEL (OPTIONAL KIT)
Over time the front glass panel may become
dirty or dusty. Dust can be removed by lightly
rubbing the glass surface with a clean, lint free
cloth or paper towel. To remove fingerprints
or other marks, use a damp cloth with a good
quality household glass cleaner. The front glass
panel should be completely dried with a clean,
lint free cloth or paper towel.
CAUTION
Do not use abrasive cleaners on
the glass panel. Do not spray
liquids directly onto any surface
of the fireplace.
WARNING
An authorized service representative should perform any other
servicing.
CAUTION
Handle glass very carefully to
prevent accidental breakage.
TAKE CARE TO HOLD BRICK PANEL
IN PLACE TO PREVENT POSSIBLE
DAMAGE.
Suggestion: Slide the screens toward the
middle of the fireplace for easier access
to the screws on the sides. Return the
screens to the sides before proceeding
to instruction e.
e. Tip brick panel forward from the top,
just enough to clear screens. Carefully
remove brick panel from firebox and set
aside in a safe place.
5. Remove the screws which secure the heater
blower mounting plate using a phillips
screwdriver as follows (see Figures 9 &
10):
a. While using one hand to hold the handle of
the heater/blower assembly (see Figure
9), remove the 5 screws which secure
the mounting plate. Remove the 4 side
screws first (2 on each side). Remove
the middle screw that is on the top of
the handle last.
b. Slowly lower the heater/blower assembly
and let it rest on the 2 support chains (1
on each side).
IMPORTANT NOTE: Label all wire loca
tions prior to disconnecting to ensure
that wires are reconnected in the correct
positions.
Heater/blower Mounting Plate
Handle
Brick Panel
Remove screws indicated by arrows
Figure 9
Heater/Blower Mounting Plate
Be Careful Not to
Damage Brick Panel
Figure 10
-
Blower / Heater
HEATER/BLOWER REPLACEMENT PROCE
DURE
1. Turn off power to the fireplace.
2. Let the fireplace completely cool, if it has
been operating.
8
-
6. Replace the heater/blower as follows:
a. Replace the old heater/blower with the
new one. Note: When replacing the
heater/blower, ensure that all the wires
on the heater are correct, otherwise the
heater will not function properly.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 11
Page 9
Replacing Light Bulbs
WARNING
The fireplace must be unplugged/
disconnected from the power
supply prior to any maintenance
or cleaning in order to reduce the
risk electric shock or fire.
WARNING
The halogen light bulbs in your
fireplace can become extremely
hot. Allow at least 10 minutes
between turning off the fireplace
and removing light bulbs to avoid
the accidental burning of skin.
CAUTION
Do not exceed a 35 Watt bulb.
Use of a higher rated bulb may
result in a fire, causing property
damage, personal injury or loss
of life.
CAUTION
Do not touch the bulbs, oils from
your skin will damage them
when they heat up. Use gloves
or cloth when handling bulbs.
Access bulbs as follows:
Use gloves or cloth when handling bulbs to
prevent oils from your skin damaging bulbs
when heated.
Ember Bed Bulbs -
a.
i. With the ember bed removed, the 2
ember bed light bulbs will be visible
(see Figures 13 and 14).
ii. Lift off spring from bulb tips, then hold
socket and pull out to remove. Install
new bulbs into sockets by pressing them
in (while holding the socket), Install
retaining spring over each bulb tip.
iii. Plug in power cord or connect power to
appliance. Turn on power to test bulbs.
Disconnect power.
iv. Reverse Steps 3 to 5.
Grate
Figure 12
Ember Bed
Figure 13
Bulb
Log/Ember Assembly
Bulb
ii. using a phillips screwdriver, remove the
flame panel (see Figure 16).
Flame
Panel
Figure 16
iii. Locate flame cylinder drum (see Figure
17). Squeeze one half of drum cylinder
until its top edge clears the top drum
track. Remove the bottom edge of the
cylinder drum from the bottom drum
track. Once you have removed one
half of the drum cylinder, you will have
access to the 2 light bulbs (see Figure
18). Note: do not exert excessive
pressure on the drum cylinder as this
may cause damage.
v. Lift off spring from bulb tips, then hold
socket and pull bulb out to remove.
Install new bulbs into sockets by
pressing them in (while holding the
socket), Install retaining spring over
each bulb tip.
7. Reinstall all components that were removed
(reverse Steps 1-5).
Bulb Replacement Procedure:
• 2 bulbs provide illumination for the ember
bed and 2 bulbs provide illumination for the
flame generation assembly (bulbs are rated at
35 Watts Max., Halogen, GX6.35).
• 2 spare bulbs are located in a recess on the
back of the log assembly.
1. Turn off power to the fireplace.
2. Let the fireplace cool, if it has been operat
ing.
3. (If optional glass panel enclosure is
installed) Remove glass panel per instructions provided in kit.
4. Remove the 2 screws on the front of the
grate (see Figure 12. Also see item #7 on
Page 17). Remove Grate.
5. Lift out log/ember assembly by tilting for
ward and firmly pulling on back of ember
bed assembly. It should pop out from
track and lift out. Caution: Be careful not
to scratch the finish.
6. Remove spare bulbs from the recess on
the back of the log assembly.
Figure 14
b. Flame Cylinder Bulbs
-
-
i. Remove Brick panel, following proce-
dure on Page 8 (see Brick panel Removal
Procedure).
Brick panel Retaining brackets
Figure 15
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Flame Cylinder Drum
Figure 17
Bulbs
Figure 18
9
Page 10
WIRING DIAGRAM - 120 VOLT
Control Panel
Flame / Ember
On/Off Switch
Temperature Sensor
Control Panel
(power on/off)
Control Panel
Heater On/Off
Switch
Wall Thermostat
Wall Switch
(power on/off)
Outside Switches
Outer Wall
Heater 1 (L)
Heater 2 (L)
Fan Motor (L)
Flame Motor (L)
Light (L)
L-R1
L-R2
L-FAN
L-M
P-L
L-LIGHT
SIP3
SIP4
TEM.
SIP6
K-H
K-P
N-FLAME
L-FLAME
N-LIGHT
POWER-N
N-FAN
N-M
P-TRA.
SIP11
SIP7
T-P
SIP13
LIGHT
Transformer
Circuit
Board
SIP2
REMOTE
MAIN POWER
L1
L1
L2
N1
N2
N
N
PTC
T105° C
Remote Sensor
GROUND
Wiring diagrams are provided here for reference purposes only. This information is also provided on schematics attached directly to the appliance
on the left side.
CAUTION: LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DAN
GEROUS APPLIANCE OPERATION.
L1 = BLACK (POWER)
L2 = ORANGE (POWER)
G = GREEN (GROUND)
N = WHITE (COMMON)
N1 = BLUE (COMMON)
N2 = BLUE (COMMON)
-
Figure 19
WIRING - 120 VOLT
Figure 20
10
HOME POWER
SUPPLY
120 VAC
See Power Supply Specifications on Page 3.
HOME POWER -
SUPPLY 120 VAC
IF THE APPLIANCE IS TO BE HARD WIRED
IN, THE POWER CORD MUST BE REMOVED
(SEE INSTRUCTION #2 ON PAGE 5).
GROUND
N
L1
G
Do not install or operate this fireplace through a switch wired in the 120 VAC or 240 VAC circuits. The only approved
wiring for a switch is through the low voltage circuit (24 VAC) as shown on Page 14.
WARNING
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
120 V AC
YELLOW AND GREEN
120 V 1600 W
WHITE
BLUE
BLUE
BLACK
ORANGE
N
N1
N2
L1
L2
GROUND
FIREPLACE WIRE
HARNESS
Page 11
WIRING DIAGRAM - 240 VOLT
Control Panel
Flame / Ember
On/Off Switch
Control Panel
Heater On/Off
Switch
.
Wall Thermostat
Wall Switch
(power on/off)
Outside Switches
Control Panel
(power on/off)
Transformer
Temperature Sensor
Remote Sensor
PTC
Heater 1 (L)
Heater 2 (L)
Fan Motor (L)
Flame Motor (L)
Light (L)
L-R1
L-R2
L-FAN
L-M
P-L
L-LIGHT
L1
L2
N1
N2
N
MAIN POWER
L1
L2
N
N-FLAME
L-FLAME
SIP4
K-P
SIP2
REMOTE
SIP3
K-H
TEM.
SIP6
N-LIGHT
POWER-N
N-FAN
N-M
P-TRA.
SIP11
SIP7
T-P
LIGHT
SIP13
Circuit
Board
GROUND
T105° C
Wiring diagrams are provided here for reference purposes only. This information is also provided on schematics attached directly to the appliance
on the left side.
CAUTION: LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DAN
GEROUS APPLIANCE OPERATION.
L1 = BLACK (POWER)
L2 = ORANGE (POWER)
G = GREEN (GROUND)
N = WHITE (COMMON)
N1 = BLUE (COMMON)
N2 = BLUE (COMMON)
-
WIRING - 240 VOLT
THE 120 VOLT POWER CORD INSTALLED ON
THIS APPLIANCE MUST BE REMOVED (SEE
INSTRUCTION #2 ON PAGE 5).
HOME POWER
SUPPLY
240 VAC
Figure 21
See Power Supply Specifications on Page 3.
HOME POWER SUPPLY
240 VAC
120 V (L1) + 120 V (L2) = 240 V
Figure 22
Do not install or operate this fireplace through a switch wired in the 120 VAC or 240 VAC circuits. The only approved
wiring for a switch is through the low voltage circuit (24 VAC) as shown on Page 14.
N
L1
120 VAC
120 VAC
L2
G
GROUND
WARNING
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
YELLOW AND GREEN
240 V 3000 W
WHITE
BLACK
ORANGE
BLUE
BLUE
N
L1
L2
N1
N2
GROUND
FIREPLACE WIRE
HARNESS
11
Page 12
5 V
GROUND
INSIDE
POWER ON/OFF SWITCH
(ON CONTROL PANEL)
POWER ON/OFF SWITCH
(OPTIONAL WALL SWITCH)
OUTSIDE
RED
RED
GREEN
1K
POTENTIOMETER
5 V
GROUND
INSIDE
OUTSIDE
A/D
BLACK
Ω
WHITE
GREEN
WALL
THERMOSTAT
WALL THERMOSTAT & WALL SWITCH WIRING DIAGRAMS
(optional kits, see Page 18)
• When using the manual control panel power on/off switch, the outside power on/off switch (optional wall switch kit) must be in the OFF
position.
• When using the outside power on/off switch (optional wall switch), the manual control panel power on/off switch must be in the OFF
position.
• When using the remote control (optional kit), the manual control panel power on/off switch and the outside wall switch (optional kit) must
be in the OFF position.
Figure 23
12
Figure 24
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Page 13
Installing Wall Thermostat
50
60
70
80
90
50
60
70
80
90
(optional kit, see Page 18)
Wire the wall thermostat prior to installing the fireplace.
WALL THERMOSTAT WIRING (24 VAC):
Install Wall Thermostat per instructions provided with kit and per the following information:
1. Turn off circuit breaker.
2. Remove cover plate located on the left side of appliance.
3. Locate the the black and white wires and pull out the length needed to reach wall thermostat (15 feet max.).
4. Connect the wires to the wall thermostat as shown in Figure 25. Follow instructions provided with wall switch kit.
Wall Thermostat
Black
White
White
Left Side of
Fireplace
5 V
Black
White
Black
Figure 25
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
13
Page 14
Power On/Off Wall Switch Installation
(optional kit, see Page 18)
Wire the wall switch prior to installing the fireplace.
WALL SWITCH WIRING (24 VAC):
Install Wall Switch per instructions provided with kit and per the following information:
1. Turn off circuit breaker.
2. Remove cover plate located on the left side of appliance.
3. Locate the 2 red wires and pull out the length needed to reach wall switch (15 feet max.).
4. Connect the red wires to the wall switch as shown in Figure 26. Follow instructions provided with wall switch kit.
Red
Red
Red
Red
Red
5V
Red
14
Figure 26
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Page 15
TROUBLESHOOTING
Symptom Possible Causes Who Performs Corrective
Corrective Action
Action
1. Fireplace turns off and will not
turn on and an audible beeping
noise can be heard.
2. Flame is fixed (unmoving). Wiring may be loose or the flame
3. Dim or poorly visible flame or log
set and ember is not glowing.
4. Flame sputters. Flame motor is defective. Qualified service technician Replace flame motor.
5. Remote control does not work. Low batteries.Unit switch and/or
Fireplace has overheated. Homeowner The appliance is protected with a safety
device to prevent it from overheating. If
the fireplace should overheat, a thermal
switch will disconnect power to the
unit and will not come back on without
being reset. Reset it by turning the
main power switch off (or optional wall
switch or wall thermostat, if installed)
and waiting 10 minutes then turning it
back on. If the thermal switch continues
to trip repeatedly contact a qualified
service technician.
Qualified service technician Inspect all wiring for loose connec-
motor may be defective.
Light bulb(s) burnt out or wiring
is loose.
wall switch in “on” position.
Homeowner Inspect all wiring for loose connec-
Homeowner Replace aa batteries in remote control.
tions. If the wire connections are good,
replace the flame motor.
tions and repair or replace if necessary. Inspect light bulbs and replace
if necessary.
If problem persists, there may have
been a loss of power to the unit as a
possible result from a power failure
(i.E. Breaker tripped).
6. Circuit breaker trips or fuse blows
when the unit is turned on.
Turn off main power on/off switch (see
figure 4) and/or optional wall switch (if
applicable).
Improper circuit current rating. Qualified service technician Check the house circuit to ensure it is
on a dedicated circuit with proper amp.
Rating. If the circuit breaker continues
to trip (or blown fuses), inspect wiring
for a loose connection or a dead short.
Repair or replace wiring and/or connectors as necessary.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
15
Page 16
REPLACEMENT PARTS
ITEM
NO.
1
2
3
4
5
6
7
8a
8b
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
DESCRIPTION MPE-36R
Bulb Kit, (10 Each 35w Halogen)
Side Frames, 1 Left And 1 Right
Circuit Board
Nailing Flange Kit, (4 Each)
Glass Brick Panel
Glass Retaining Bracket Kit: Left, Right, & Top
Grate Assembly
Blower, Heating Element & Access Panel Assembly
Fuse Plate Assembly (5 each)
Flame Cylinder Assembly
Flame Motor
Lennox Logo Kit (1 Each)
Log / Ember Bed Assembly
Panel, Bottom, Front
Panel, Flame Cover
Panel, Louver, Upper Front
Panel, Upper Frame Top
Electrical Outlet Cover Plate
Screen Set, Pull
Switch, Toggle (1 Each)
Transformer Assembly
Wire Harness
Remote Control, Electric
Power Cord (110 V only)
CAT. NO. QTY
H1623 1
H1624 1
H1625 1
H1626 1
H1627 1
H1628 1
H1629 1
H1630 1
H5043 1
H1631 1
H1632 1
12L15 1
H1634 1
H1635 1
H1636 1
H1637 1
H1638 1
H1639 1
H1640 1
H1641 1
H1642 1
H1643 1
H1644 1
H1645 1
16
Note: If touch-up paint is needed, use Rust-oleum®, Painter’s Touch, Flat Black (part number 1976) available at most stores which sell
aerosol touch-up paint.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Page 17
REPLACEMENT PARTS COMPONENT DIAGRAMS - MPE-36R
8b
23
14
16
11
1
4
2
5
6
6
7
8a
12
13
15
19
17
Front View
POWER�
ON/OFF�
DISPLAY�
ON/OFF�
Dimmer�
Brighter�
EMBERS�
HEATER�
ON/OFF�
TEMP. CONTROL�
HIGH�
MED.�
LOW�
FLAME�
HIGHER�
LOWER�
22
20
9
1
18
3
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
17
Page 18
ACCESSORY COMPONENTS
Wall Thermostat
Trim Kit
The following items are available for use with
this appliance.
The wall thermostat kit provides temperature
control for optimum comfort.
Wall Switch Kit
Cat. No. Model Description
85L87 FWSK Wall Switch Kit, White
Cat. No. Model Description
89L36 WTK Wall Thermostat Kit
Front Face Kits
These decorative, screened front face panels are available in two attractive styles and are easy to
install.
Facade Styles
This kit contains trim panels used to finish the
gaps between the wallboardand the fireplace,
providing the appliance a finished built-in look.
A
A = 41” (1041 mm)
E
B = 31 7/8” (810 mm)
C = 34 3/8” (872 mm)
D = 36” (914 mm)
E = 2 1/2" (64 mm)
D
B
Cat. No. Model Description
H1538 TK3-36BL 3-pc. Black Trim Kit, MPE-36R
H1539 TK3-36PB 3-pc. Brass Trim Kit, MPE-36R
H1540 TK3-36BS 3-pc. Stainless Trim Kit, MPE-36R
C
Glass Enclosure Kit
These glass enclosure panels are a one-piece
panel, which have a bi-fold “look” as shown
below.
Interlocking Arch
Face Panel
Cat. No. Model Description
H3606 FFEP-36M 36" Decorative Complete Front Face, Mission Style
H3607 FFEP-36IA 36" Decorative Complete Front Face, Interlocking Arch
PRODUCT REFERENCE INFORMATION
Mission Style
Face Panel
Cat. No. Model Description
H1535 GEP-36BL Glass Enclosure Panel, Black on Bronze
H1536 GEP-36PB Glass Enclosure Panel, Brass on Bronze
H1537 GEP-36BS Glass Enclosure Panel, Stainless on Bronze
Please contact your Lennox dealer for any questions or concerns. For the number of your nearest
Lennox dealer, please call 1-800-9-LENNOX.
LENNOX HEARTH PRODUCTS
1110 West Taft Avenue
Orange, CA 92865
18
visit us at www.Lennox.com
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Page 19
NOTES
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
19
Page 20
The manufacturer reserves the right to make changes at any time, without notice, in design,
materials, specifications, prices and also to discontinue colors, styles and products.
Consult your local distributor for fireplace code information.
Printed in U.S.A. © LENNOX HEARTH PRODUCTS 2004
P/N 775,172M REV.G 04/2007
1110 West Taft Avenue
Orange, CA 92865
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