18
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT PLUS
®
DIRECT VENT GAS FIREPLACES (MPDP35/40) • CARE AND OPERATION INSTRUCTIONS
LENNOX HEARTH PRODUCTS
1508 Elm Hill Pike, Suite 108
Nashville, TN 37210
visit us at www.Lennox.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.
When ordering repair parts always provide:
1.
The model number of the appliance.
2.
The serial number of the appliance.
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 ap-
plication of this system, please contact your
dealer or distributor.
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 appli-
ance will provide many years of enjoyment. If
you should experience any problem, first refer
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.
WIRING DIAGRAM
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.
CAUTION: LABEL ALL WIRES PRIOR TO
DISCONNECTION WHEN SERVICING
CONTROLS. WIRING ERRORS CAN
CAUSE IMPROPER AND DANGEROUS
APPLIANCE OPERATION.
ATTENTION: AU MOMENT DE
L'ENTRETIEN DES COMMANDES,
ÉTIQUETEZ TOUS LES FILS AVANT DE
LES DÉBRANCHER. DES ERREURS DE
CÁBLAGE PEU-VENT ENTRAÎNER UN
FONCTIONNEMENT INADÉQUAT ET
DANGEREUX.
Fireplace Model Number ________________________________________________
Fireplace Serial Number _________________________________________________
Date Installed _________________________________________________________
Type of Gas Used in Fireplace ____________________________________________
Dealer Name _________________________________________________________
Figure 17
DFC WIRE HARNESS
PROFLAME DFC BOARD
UNIT MOUNTED
ROCKER SWITCH*
PILOT TUBE
FAN
POWER CORD
POWER CORD
CABLE HARNESS
HIGH-TEMP SLEEVE
FAN CONTROL
MODULE
WALL
RECEIVER
DIGIT
AL
FIREPLACE BURNER CONTROL
SPARK WIRE
CABLE
PILOT SENSOR
CABLE
IGNITER ROD
FLAME
SENSOR
PROFLAME
ELECTRONIC
VALVE
JUNCTION BOX
* Unit Mounted Rocker Switch
OFF (o) = Intermittent Pilot Mode
ON (-) = Standing Pilot Mode
Y
120V
Out
Fan
Power
Aux
Out
B
W G
C
A
V
0
2
1
Schematic Representation Only
PILOT BURNER
IGNITER-SENSOR
ASSEMBLY
B
B
Wiring Color Code
B = Black
BL = Blue
BR = Brown
G = Green
GY = Gray
O= Orange
PU = Purple
W = White
R = Red
P = Pink
Y = Yellow
O
W
W
W
Y
G
G
G
G
B, BR, Y
, O
P, BL
P, BL
R,PU,GY
NOTES:
1. If any of the original wire as supplied must be re-
placed, use Type AWM 105°C - 18 gage wire ONLY.
2. 120 VAC, 60 Hz - Less than 5 Amps.
CAUTION: label all wires prior to disconnection
when servicing controls. Wiring errors can cause
improper and dangerous operation. Verify proper
operation after servicing.
ELECTRONIC
IGNITION WIRING
DIAGRAM
*Unit Mounted CPI Rocker Switch
