Lennox Hearth Products LENNOX MPE-33R Installation And Operating Instructions Manual page 11

WIRING DIAGRAM - 240 VOLT
Wiring diagrams are provided here for reference purposes only. This information is also provided on schematics attached directly to the appliance
on the left side.
CAUTION: LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DAN-
GEROUS APPLIANCE OPERATION.
L1 = BLACK (POWER)
L2 = ORANGE (POWER)
G = GREEN (GROUND)
N = WHITE (COMMON)
N1 = BLUE (COMMON)
N2 = BLUE (COMMON)
GROUND
N
MAIN POWER
L2
HOME POWER
L1
SUPPLY
240 VAC
Figure 21
WIRING - 240 VOLT
See Power Supply Specifi cations on Page 3.
HOME POWER SUPPLY
120 V (L1) + 120 V (L2) = 240 V
THE 120 VOLT POWER CORD INSTALLED ON
THIS APPLIANCE MUST BE REMOVED (SEE
INSTRUCTION #2 ON PAGE 5).
Figure 22
Do not install or operate this fi replace through a switch wired in the 120 VAC or 240 VAC circuits. The only approved
wiring for a switch is through the low voltage circuit (24 VAC) as shown on Page 14.
N
N2
N1
L2
PTC
L1
T105° C
N
L1
240 VAC
L2
G
GROUND
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Outside Switches
Wall Switch
(power on/off)
Control Panel
Heater On/Off
Switch
P-L
Light (L)
L-LIGHT
Flame Motor (L)
L-M
Fan Motor (L)
L-FAN
Heater 2 (L)
L-R2
Heater 1 (L)
L-R1
120 VAC
120 VAC
YELLOW AND GREEN
240 V 3000 W
WARNING
Wall Thermostat
Control Panel
(power on/off)
SIP13 SIP11
Circuit
Board
Temperature Sensor
Remote Sensor
WHITE
N
BLACK
L1
FIREPLACE WIRE
ORANGE
L2
BLUE
N1
N2
BLUE
GROUND
Control Panel
Flame / Ember
On/Off Switch
Transformer
HARNESS
11