Wiring Diagrams; Ordering Replacement Parts; Product Reference Information - Lennox Hearth Products MERIT PLUS Care And Operation Instructions Manual

LENNOX HEARTH PRODUCTS • MERIT PLUS

WIRING DIAGRAMS

Wiring diagrams are provided here for reference
purposes only. This information is also provided
on schematics attached directly to the appliance
on a pullout panel located within the control
compartment.
WIRING DIAGRAM MILLIVOLT GAS VALVES
THERMOPILE
APPLIANCE- MOUNTED
ON/OFF SWITCH
TP-TH
TP
TH
BK/W(1) BK/W(1)
WALL-MOUNTED ON/OFF SWITCH (OPTIONAL)
WALL RECEIVER (OPTIONAL)
THERMOSTAT (OPTIONAL)
WALL MOUNTED CONFIGURATION FOR FAN SWITCH (OPTIONAL)
FAN
(OPTIONAL)
Figure 16 - Wiring Diagram -
Millivolt Gas Valves
JUNCTION BOX
120V AC
B
W
G
OPTIONAL
REMOTE RECEIVER
ON/OFF SWITCH
WALL SWITCH
WIRING COLOR CODE
B = BLACK
BR = BROWN
GY = GRAY
PU = PURPLE
R = RED
P/N 580491-01
Figure 17 - Wiring Diagram - Electronic Gas Valves
18
DIRECT VENT GAS FIREPLACES (MPD33/35/40/45) • CARE AND OPERATION INSTRUCTIONS
®
CAUTION: LABEL ALL WIRES PRIOR TO
DISCONNECTION WHEN SERVICING
CONTROLS. WIRING ERRORS CAN
CAUSE IMPROPER AND DANGEROUS
APPLIANCE OPERATION.

ORDERING REPLACEMENT PARTS

A complete parts list is found at the end of
this manual. Use only parts supplied from the
manufacturer.
With proper care and maintenance, your
appliance will provide many years of enjoyment.
If you should experience any problem, first refer
GAS VALVE
to the troubleshooting guide in this manual. If
problem persists, contact your Lennox Hearth
Products dealer or distributor.
Normally, all parts should be ordered through
your Lennox Hearth Products distributor or dealer.
Parts will be shipped at prevailing prices at
time of order.
When ordering repair parts, always provide:
1. The model number of the appliance.
2. The serial number of the appliance.
BK
Fireplace Model Number ________________________________________________
R
W
Fireplace Serial Number _________________________________________________
GR
Date Installed _________________________________________________________
JUNCTION BOX
Type of Gas Used in Fireplace ____________________________________________
Dealer Name _________________________________________________________
HOT
NEUTRAL
GROUND
LIMIT SWITCH
B-VENT MODELS
ONLY
R
BL = BLUE
G = GREEN
O = ORANGE
W = WHITE
Y = YELLOW
SCHEMATIC REPRESENTATION ONLY
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
AC/DC
POWER
ADAPTOR
Y
G
PROFLAME VALVE
O
B
B
R
BATTERY HOLDER
3. The part number.
4. The description of the part.
5. The quantity required.
6. The installation date of the appliance.
If you encounter any problems or have any
questions concerning the installation or
application of this system, please contact your
dealer or distributor.
LENNOX HEARTH PRODUCTS
1508 Elm Hill Pike, Suite 108
Nashville, TN 37210
visit us at www.LennoxHearthProducts.com
1-800-655-2008

PRODUCT REFERENCE INFORMATION

We recommend that you record the important
reference information about your fireplace in
the space provided below.
Please call Lennox Hearth Products for the
phone number of your nearest Lennox Hearth
Products dealer who will answer your questions
or address your concerns.
ELECTRONIC PILOT ASSEMBLY
HOOD
PILOT TUBE
B
Y
SPARK WIRE CABLE
PILOT GROUND WIRE
Y
G
O
W
BL
B
R
G
B
R
OPTIONAL CPI SWITCH
W
OFF (O) = INTERMITTENT PILOT MODE
BL
ON (-) = STANDING PILOT MODE
IGNITER ROD
FLAME SENSOR
B
PILOT
SENSOR
CABLE
PROFLAME DFC BOARD
DFC WIRE HARNESS