Warranty; Replacement Parts; Product Reference Information; Wiring Diagrams - Lennox MPB3328CNM-B Care And Operation Instructions Manual

WARRANTY

Your gas appliance is covered by a limited twenty
year warranty. You will find a copy of the war-
ranty accompanying this manual. Please read
the warranty to be familiar with its coverage.
Retain this manual. File it with your other docu-
ments for future reference.

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.

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.
CAUTION: LAbEL ALL WIRES
PRIOR TO DISCONNECTION WHEN
SERVICING CONTROLS. WIRING
ERRORS CAN CAUSE IMPROPER
AND DANGEROUS APPLIANCE
OPERATION.
SIT Millivolt Wiring Diagram
If any of the original wire as supplied must be replaced,
it must be replaced with Type AWM105°C – 18 GA. wire.
BK
BK
Thermopile
WT
BK
A B
*OPTIONAL ON/OFF SWITCH,
WALL SWITCH, THERMOSTAT
OR REMOTE CONTROL RECEIVER
*TWIST WIRES "A" AND "B" TOGETHER TO OPERATE UNIT
SOLELY BY MANIPULATING THE GAS VALVE CONTROL KNOB;
OR CONNECT WIRES TO OPTIONAL ON/OFF SWITCH OR WALL
SWITCH OR THERMOSTAT OR REMOTE CONTROL RECEIVER
TO OPERATE UNIT.
Figure 19
Schematic Representation Only
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 give the
following information:
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.
Your Fireplace's Model Number ___________________________________________
Your Fireplace's Serial Number ___________________________________________
The Date On Which Your Fireplace Was Installed ______________________________
The Type of Gas Your Fireplace Uses _______________________________________
Your Dealer's Name ___________________________________________________
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.
Electronic Wiring Diagram (Honeywell)
Showing the Blower Wiring for the Optional
FBK-100 and FBK-200 Kits
1. If any of the original wire as supplied must be replaced,
1. it must be replaced with T ype A WM 105 °C – 18 GA. wire.
2. 120V , 60Hz – Less than 3 amps.
**Leave the ON/OFF switch, which is integral
with the gas valve, in the ON position.
**ON/OFF Switch (Integral
with Gas Va lve )
*OPTIONAL
Gas Va lve ACCESSOR Y
SWITCH
PILOT
ASSEMBL Y
BK
Outlet Box
Green Ground
R
Screw
BL
OPT
Red
BLOWER G
pigtail
Break Of f
Black
Ta b
pigtail
Junction Box
W
B
G
Hot side of Outlet
BL
W
BK BK
OPTIONAL W ALL SWITCH LIMIT SWITCH
OR OPTIONAL THERMOS TAT OR
OPTIONAL REMOTE RECEIVER
*Blower speed control switch is provided in FBK200 blower kit.
Facto ry Wire d
Figure 20
Schematic Representation Only
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS
1508 Elm Hill Pike, Suite 108
Nashville, TN 37210
visit us at www.Lennox.com
1-800-9-LENNOX

PRODUCT REFERENCE INFORMATION

We recommend that you record the following
important information about your fireplace.
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 Wiring Diagram (Honeywell)
Showing the Blower Wiring for the Optional
1. If any of the original wire as supplied must be replaced,
1. it must be replaced with Type AWM 105 C – 18 GA. wire.
2. 120V, 60Hz – Less than 3 amps.
*ON/OFF Switch (Integral
with Gas Valve)
Gas Valve
BK
BK
120
W
V AC.
G
R
BL
OPT
BLOWER
White Wire
to Opposite
Side
Tr ansf.
120 V.
Hot side of Outlet
24 V
R
W
BK
OPTIONAL ON/OFF SWITCH,
WALL SWITCH, THERMOSTAT
OR REMOTE CONTROL RECEIVER
Field Wire d
Figure 21
FBK-250 Kits
*Leave the ON/OFF switch, which is integral
with the gas valve, in the ON position.
Outlet Box Green
Ground Screw
PILOT
G
ASSEMBLY
120
BK
VAC.
W
Optional FBK-250
Module
White Wire
To Opposite
Side
Junction Box
W
Transf.
B
120 V.
G
24 V
BL
R
BK
BK BK
LIMIT SWITCH
Factory Wired Field Wired
Schematic Representation Only
19