Wiring Diagrams - Lennox Merit lmbv-36rmn Care And Operation Instructions Manual

LENNOX HEARTH PRODUCTS • MERIT

WIRING DIAGRAMS

Wiring diagrams are provided here for reference
purposes only. This information is also provided
on schematics found on pullout labels located
within the control compartment attached to
the gas control valve. Electronic and Millivolt
wiring diagrams are provided here.
CAUTION: Label all wires prior to discon-
nection when servicing controls. Wiring
errors can cause improper and dangerous
operation. verify proper operation after
servicing.
ATTENTION: Au moment de l'entretien
des commandes, étiquetez tous les fils
avant de les débrancher. Des erreurs
de cáblage peuvent entraîner un fonc-
tionnement inadéquat et dangereux.
MILLIVOLT WIRING DIAGRAM
NOTE: If any supplied wire must be replaced,
always use Type AWM, 105°C, 18 GA wire.
BK
DAMPER
SWITCH
LIMIT
SWITCH
THERMOPILE
BK
BK
FACTORY WIRED
FIELD WIRED
*
For optional wall switch attachment only.
Figure 18
14
alteration, service or maintenance can cause injury
or property damage. Refer to the owner's information
manual provided with this appliance. For assistance
SERIES B-VENT GAS FIREPLACES • 36" LMBV MODELS • CARE AND OPERATION INSTRUCTIONS
®
or additional information consult a qualified installer,
service agency or the gas supplier.
Due to high temperatures, keep children, and furniture
away.
Keep burner and control compartment clean. See
installation and operating instructions accompanying
appliance.
Pilot Burner
Assembly
BL
BL
BK
BK = BLACK BL = BLUE
R = RED
G = GREEN
Control
Switch *
B-Vent appliances only - one or both of these switches must
be factory installed in series as shown. If wires to these switches
are replaced, wires must be Type AWM 200°C - 18 gage wire ONLY.
BK
P/N 62L2701_4
Figure 19
TP
TH
TP
TH
WHT
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
OFF/ON Switch
(Integral with
Pilot Burner
Gas Valve)
Assembly
Honeywell
Electronic
Gas
Valve
ELECTRONIC IGNITION WIRING DIAGRAM
Igniter
Connector
Optional Blower**
OFF/ON Switch
BL
(Integral with
BL
Gas Valve)
BK
BK = BLACK BL = BLUE
BK
Honeywell
R = RED W = WHITE
Electronic
G = GREEN
Gas
Valve
Control
Igniter
Switch *
Connector
GROUND
Transformer
DAMPER HIGH LIMIT
SWITCH
SWITCH
BL
B-Vent appliances only - one or both of these switches must
R
24 V
be factory installed in series as shown. If wires to these switches Secondary
BK
W = WHITE
are replaced, wires must be Type AWM 200°C - 18 gage wire ONLY.
BK
P/N 62L2701_4
NOTES:
BK
1. If any of the original wire as supplied must be replaced, use Type AWM 105°C - 18 gage wire ONLY.
2. 120 VAC, 60 Hz - Less than 3 Amps.
DAMPER HIGH LIMIT
CAUTION: label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and
SWITCH
SWITCH
dangerous operation. Verify proper operation after servicing.
* Control Switches: Wall On/Off Switch or Timer, Unit Mounted On/Off Switch, or Remote Control Switch. If an optional
control switch is installed, turn the appliance-mounted ON/OFF burner control switch to the OFF position.
THIS APPLIANCE MUST BE INSTALLED IN ACCORDANCE
* For a copy of the homeowner's care and
WITH LOCAL CODES, IF ANY; IF NONE, FOLLOW THE
manual, go to www.lennox.com or call 1-800-
NATIONAL FUEL GAS CODE, ANSI Z223.1, OR NATURAL
GAS AND PROPANE INSTALLATION CODE, CSA B149.1.
ELECTRONIC IGNITION WIRING DIAGRAM
If not installed, and maintained in accordance with the
manufacturer's instructions, this product could expose
Optional Blower**
you to substances in fuel or fuel combustion which are
ELECTRONIC IGNITION WIRING DIAGRAM
known to the state of California to cause cancer, birth
defects, or other reproductive harm.
* For a copy of the homeowner's care and operation
manual, go to www.lennox.com or call 1-800-9-lennox.
GROUND
Transformer
BL
R
24 V
120 VAC
Secondary
Primary
BK
BK
Field Wired
Control Switches: Wall On/Off
*
Switch, Unit Mounted On/Off Switch, Factory
Wall Thermostat (Direct-Vent Units
Wired
Only) or Remote Control Switch.
Some models are not approved for
**
use with an optional blower. See Care
and Operation manual for approved
120 VAC
accessories.
Primary
NOTES:
1. If any of the original wire as supplied
must be replaced, use Type AWM
105°C - 18 gage wire ONLY.
Field Wired
2. 120 VAC, 60 Hz - Less than 3 Amps.
Factory
CAUTION: label all wires prior to
Wired
disconnection when servicing controls.
Wiring errors can cause improper and
dangerous operation. Verify proper
operation after servicing.
WITHOUT Optional
Control Switches: Wall On/Off
*
Switch, Unit Mounted On/Off Switch,
Wall Thermostat (Direct-Vent Units
J-Box Wiring
Only) or Remote Control Switch.
WITHOUT Optional Blower Switch J-box Wiring
WITH Optional Blo
Some models are not approved for
**
use with an optional blower. See Care
and Operation manual for approved
accessories.
BK
NOTES:
W
1. If any of the original wire as supplied
G
must be replaced, use Type AWM
Junction Box
105°C - 18 gage wire ONLY.
2. 120 VAC, 60 Hz - Less than 3 Amps.
CAUTION: label all wires prior to
disconnection when servicing controls. J-Box Wiring
WITH Optional Blower Switch
Wiring errors can cause improper and
dangerous operation. Verify proper
BK
operation after servicing.
W
Schematic Repre
G
BK
R BK
W
GR
Break Off Tab
Junction Box
Schematic Representation Only
J-Box W
B
W
G
Junction
J-Box Wi
BK
BK
R
W
GR
Br
Junction Box