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SECTION A: FRAMING
MODEL
BF36E/ST/DX
BF42ST/DX
Rough-in framing dimensions
This fireplace is a zero clearance design. Combustibles may be installed to the edge of the unit. A drywall lip at the
top of the unit and four nailing flanges on the sides of the unit are provided on each unit to facilitate installation.
Insulation and vapor barrier should be placed a minimum of 2 inches from the unit.
SECTION B: RECOMMENDED POWER SUPPLY WIRE SPECIFICATIONS
For 120 volt installations use two conductor, non-metallic sheath cable with ground wire for the incoming power
supply on Optiflame fireplace inserts. Use the appropriate wire to meet local and national electrical codes for rated
power consumption.
For 208 / 240 volt installations use three conductor, non-metallic sheath cable with ground wire for the incoming
power supply on Optiflame fireplace inserts. Use the appropriate wire to meet local and national electrical codes for
rated power consumption.
Two conductor, non-metallic sheath cable with ground wire is recommended for installation of a wall mounted
thermostat and/or switch on Optiflame fireplace inserts. Use appropriate wire to meet local and national electrical
codes for rated power consumption. Thermostat/wall switch wire gauge must match the recommended wire sizes
shown below.
VOLTS
120 VOLT
208 VOLT
240 VOLT
Optiflame Dimensions
A
B
35.5"
38.7"
54.0"
41.5"
44.7"
60.0"
Optiflame dimensions
RECOMMENDED WIRE AND FUSING REQUIREMENTS
WIRE GAUGE
12 GAUGE
14 GAUGE
12 GAUGE
C
D
E
38.0"
38.0"
42.0"
42.0"
Rough-in corner framing dimensions
F
39.5"
45.5"
FUSE RATING
20 AMP
15 AMP
20 AMP
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