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4 Hearth & Home Technologies Inc. • SFE-ST • 4050-510 Rev A • 05/08
30.3 in.
(770 mm)
17 in.
(432 mm)
.5 in.
(13 mm)
26 in.
(660 mm)
18 in.
(457 mm)
SFE-ST Appliance Dimensions
F. Electrical Specifi cations
Voltage . . . . . . . . . . . . . . . . . . . . . . 120 V AC, 60 Hz
Total Amps . . . . . . . . . . . . . . . . . . . . . . . . 0.15 AMP
Total Watts . . . . . . . . . . . . . . . . . . . . . . . . . 18 Watts
E. Hardwire Electrical Connections
Note: All wiring must be completed prior to fi nishing the
unit.
For supply connections use No. 14 AWG or larger wires.
Use copper wire only. Connect only to a 15 AMP branch
circuit.
• Remove the screws securing the junction block cover.
• Wire to a properly grounded, 120 volt, 60 Hz, 15 AMP
circuit
• Ensure all junction block connections are tight.
• Replace the cover and retaining screws.
• All components and wiring may be inspected by removing
the top inter-panel through the appliance front opening.
WARNING! Electrical wiring must comply with local
building codes and other applicable regulations to
reduce the risk of fi re, electrical shock and injury.
D. Framing
• Choose an appliance location and frame as shown
below.
• It is important to allow for fi nished face when setting the
depth of the frame.
• The appliance can now be positioned in the opening.
• Level it with shims if necessary, and attach the unit to the
frame using the nailing fl anges provided.
C
B
A
A
Rough Opening
B
Rough Opening
C
Rough Opening
Width Height Depth
in. 30 1/2 26 1/4 17
mm 775 667 432
G. Wall Switch Connections
The optional WSK-21 Wall Switch contains a single pole low
voltage switch.
Maximum run distance is 30 ft. (9.14 m) with 20 gauge solid
copper low voltage thermostat wire. Connect the leads from
the switch to the #2 and #3 terminals on the terminal block
located under a cover on the lower side of the inner top.
The door must be removed to access the terminal block.
WARNING! Do NOT connect the optional low voltage
switch to 120 volt branch circuit.
SFE-ST Framing Dimensions