Figure 9 figure 10, Th tp th tp, Figure 11 – Lennox Hearth BLOWER KIT LBLK-100 User Manual

Page 3

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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

3

Step 10. Install the field-provided ON/OFF switch in a convenient
location on a wall, near the fireplace.

Step 11. Route a 3-wire, 120Vac power line to the ON/OFF switch as
shown in

Figure 9 (for Millivolt model) and Figure 10 (for Electronic

model).

Then route the wires to the unit’s junction box. Remove the receptacle
box by squeezing the sides of the J-Box and slide the two tabs through
the cutout.

Step 12. Connect the supply wires to the receptacle as shown in
Figure 9 (for Millivolt) and Figure 10 (for Electronic). Reinstall the
receptacle box.

Step 13. Plug the blower cord into the receptacle (

see Figure 11 ).

Step 14. Reinstall items from Steps 7, 6 and 5.

Step 15. Restore the electrical power to the unit.

Step 16. Start the fireplace by following the procedures indicated in
the lighting instructions section of the Homeowners Care And Opera-
tions instructions manual, supplied with the fireplace.

Step 17. Check the start-up and shutdown, and the running operation
of the blower.

Figure 9

Figure 10

JUNCTION BOX

W

GR

BK

120 VAC

BK

R

TRANSFORMER 3V

INTERMITTENT ELECTRONIC WIRING DIAGRAM

BROWN

BROWN

BLACK

BATTERY BACK-UP

TO WALL
SWITCH OR
THERMOSTAT

BLACK (SENSOR)

BLACK (IGNITOR)

SPARK TO PILOT IGNITOR

IGNITOR MODULE

3V

RED

BK W GR

OPTIONAL BLOWER
SWITCH

FAN

(OPTIONAL)

PILOT

IN

OUT

VENT

LO

HI

TH

TP

TH

TP

IN

ORANGE (THTP)

BLACK (TP)

GREEN (TH)

TP-TH

TP

TH

APPLIANCE- MOUNTED
ON/OFF SWITCH

BK/W(1)

BK/W(1)

WALL-MOUNTED ON/OFF SWITCH (OPTIONAL)
THERMOSTAT (OPTIONAL)

JUNCTION BOX

BLACK

W

GR

120 V

AC

WALL MOUNTED CONFIGURATION FOR FAN SWITCH (OPTIONAL)

BK

R

WIRING DIAGRAM MILLIVOLT GAS VALVES

THERMOPILE

GAS VALVE

FAN

(OPTIONAL)

IMPORTANT: Ground lead must be connected to the green screw
located on the junction box. Failure to do so will prevent the
appliance from operating.
The appliance must be electrically
grounded in accordance with local codes or, in the absence of local
codes, the National Electrical Code, ANSI/NFPA 70-(latest edition).
(In Canada, the current CSA C22-1 Canadian Electrical Code.)

BLOWER MOUNTING TABS

BLOWER ASSEMBLY

ELECTRICAL OUTLET

Figure 11

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