Step 5. Field Wiring; Install Optional Wall Switch - Lennox Hearth Products LMBV-42RMN Installation Instructions Manual

LENNOX HEARTH PRODUCTS • MERIT
Step 5. Field Wiring; Install Optional
Wall Switch
Refer to Section A, below, for millivolt appliances
and Section B, below, for electronic appliances.
A. millivolt Wiring
The gas valve has been set in place and has
been pre-wired at the factory. No additional
wiring is required unless the optional wall
switch or optional remote control kit is to be
installed. Locate the optional wall switch or
optional remote control in the desired location
and connect the millivolt wire (see Figure 12).
CAUTION: DO NOT CONNeCT THe WALL
SWITCH TO A 120v pOWeR SUppLY.
NOTE: Optional wall switch not supplied. If the
optional wall switch is not installed, the ends of
the 15' coiled wire must be connected with a wire
nut (not supplied) for the appliance to operate.
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 12
10
SERIES B-VENT GAS FIREPLACES • 42" LMBV MODELS • INSTALLATION INSTRUCTIONS
®
NOT FOR USE WITH SOLID FUEL
b. electronic Wiring
CAUTION:
The electronic appliance must be connected to
the main power supply. To install:
touch. Severe Burns may result. Keep children, clothing,
furniture, gasoline and other liquids having flammable
1. Route a 3-wire 120V 60Hz power supply
vapors away.
to the appliance junction box and ground.
CAUTION:
(See Figures 13 and 14 ).
factory installed refractory panel(s) removed, cracked or
2. Locate and install a low voltage (24V)
broken. Replacement of the factory installed refractory
wall switch (not supplied) in the desired
panel(s) should be completed by a licensed or qualified
location. Connect the low voltage wire to
service person.
this switch (see Figure 13).
WARNING:
3. After wiring is complete, replace the ap-
alteration, service or maintenance can cause injury
pliance junction box cover and secure with
or property damage. Refer to the owner's information
the hex head screws previously removed.
manual provided with this appliance. For assistance
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.
BK
Pilot Burner
TP
Assembly
TH
TP
TH
WHT
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.
P/N 62L2701_4
Figure 13
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
CAUTION:
Do not operate the appliance with
factory installed refractory panel(s) removed, cracked or
broken. Replacement of the factory installed refractory
panel(s) should be completed by a licensed or qualified
service person.
WARNING:
Improper installation, adjustment,
alteration, service or maintenance can cause injury
Hot while in operation. Do not
or property damage. Refer to the owner's information
manual provided with this appliance. For assistance
or additional information consult a qualified installer,
service agency or the gas supplier.
Do not operate the appliance with
Due to high temperatures, keep children, and furniture
away.
Keep burner and control compartment clean. See
installation and operating instructions accompanying
Improper installation, adjustment,
appliance.
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.
HIGH LIMIT
DAMPER
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.
DIRECT VENTED APPLIANCES MUST NOT BE
WITHOUT THE FRONT GLASS PANEL(S) INSTA
DO NOT OPERATE APPLIANCE WITH
CRACKED OR MISSING GLASS DOORS OR EN
WARNING:
PANEL(S).
Do not connect 120 V AC to the control valve.
THIS APPLIANCE MUST BE INSTALLED IN AC
Ground supply lead must be con-
B-VENTED APPLIANCES NEED FRESH AIR FOR SAFE
WITH LOCAL CODES, IF ANY; IF NONE, FO
nected to the wire attached to the
OPERATION AND MUST BE INSTALLED SO THERE
NATIONAL FUEL GAS CODE, ANSI Z223.1, OR
ARE PROVISIONS FOR ADEQUATE COMBUSTION AND
green ground screw located on the
GAS AND PROPANE INSTALLATION CODE, CSA
VENTILATION AIR.
outlet box. See
do so will result in a potential safety
If not installed, and maintained in accordan
DIRECT VENTED APPLIANCES MUST NOT BE OPERATED
WITHOUT THE FRONT GLASS PANEL(S) INSTALLED. manufacturer's instructions, this product co
hazard. The appliance must be
you to substances in fuel or fuel combustion
electrically grounded in accordance
DO NOT OPERATE APPLIANCE WITH BROKEN,
known to the state of California to cause ca
with local codes or, in the absence of
CRACKED OR MISSING GLASS DOORS OR ENCLOSURE
defects, or other reproductive harm.
PANEL(S).
local codes, the National electrical
Code, ANSI/NFpA 70-latest edition.
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
(In Canada, the current CSA C22.1
manual, go to www.lennox.com or call 1-800-
NATIONAL FUEL GAS CODE, ANSI Z223.1, OR NATURAL
Canadian Electrical Code).
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.
0.375"
0.25" Ø
0.375"
CAUTION
. Failure to
Figure 14
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.
J-box Wiring
WITHOUT Optional Blower Switch
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
BK
R
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