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Page 11
Minimum Wall and Ceiling Clearances
Sidewall Clearances: The clearance from the inside of the fireplace
to any combustible wall should not be less than 2".
Fireplace Side and Back Clearances: The fireplace outer casing
sides and back have zero clearance to combustibles.
Ceiling Clearances: The ceiling height should not be less than 36"
from the top of the hood.
Mantel Clearances: Vent free fireplace models must use the hood
supplied with the fireplace. If a combustible mantel is installed, it
must meet the clearance requirements detailed above.
Figure 4
2”
36”
Figure 5
Mantel Clearances
Checking Manifold Pressure
VFP(32,36)BP(20,21)LN
(Natural gas) will have a manifold pressure
of approximately 6.0" w.c. (1.49kPa) at the pressure regulator outlet
with the inlet pressure to the pressure regulator from a minimum of
7.0" w.c. (1.74kPa) for the purpose of input adjustment to a maximum
of 10.5" w.c. (2.615kPa).
VFP(32,36)BP(30,31)LN
(Natural gas) will have a manifold
pressure of approximately 3.5" w.c. (.871kPa) for maximum input or
1.7" w.c. (.423kPa) for minimum input at the pressure regulator outlet
with the inlet pressure to the pressure regulator from a minimum
of 4.5" w.c. (1.120kPa) for the purpose of input adjustment to a
maximum of 10.5" w.c. (2.614kPa).
VFP(32,36)BP(70,71)LN
(Natural gas) will have a manifold
pressure of approximately 3.5" w.c. (.871kPa) for maximum input or
1.7" w.c. (.423kPa) for minimum input at the pressure regulator outlet
with the inlet pressure to the pressure regulator from a minimum
of 4.5" w.c. (1.120kPa) for the purpose of input adjustment to a
maximum of 10.5" w.c. (2.614kPa).
VFP(32,36)BP(20,21)LP
(Propane gas) will have a manifold pressure
approximately 10.0"w.c. (2.49kPa) at the pressure regulator outlet
with the inlet pressure to the pressure regulator from a minimum
of 11.0"w.c. (2.739kPa) for the purpose of input adjustment to a
maximum of 13.0"w.c. (3.237kPa).
A test gage connection is located downstream of the gas appliance
pressure regulator for measuring gas pressure. The connection is
a 1/8 inch (3mm) N.P.T. plugged tapping.
VFP(32,36)BP(30,31)LP
(Propane gas) will have a manifold pressure
approximately 10.0"w.c. (2.49kPa) for maximum input or 4.9"w.c.
(1.220kPa) for minimum input at the pressure regulator outlet with the
inlet pressure to the pressure regulator from a minimum of 11.0"w.c.
(2.739kPa) for the purpose of input adjustment to a maximum of
13.0"w.c. (3.237kPa).
VFP(32,36)BP(70,71)LP
(Propane gas) will have a manifold pressure
approximately 10.0"w.c. (2.49kPa) for maximum input or 4.9"w.c.
(1.220kPa) for minimum input at the pressure regulator outlet with the
inlet pressure to the pressure regulator from a minimum of 11.0"w.c.
(2.739kPa) for the purpose of input adjustment to a maximum of
13.0"w.c. (3.237kPa).
VFP(32,36)BP(3,7)(0,1) Control
The valve regulator controls the burner pressure which should be
checked at the pressure test point. Turn captured screw counter
clockwise 2 or 3 turns and then place tubing to pressure gauge over
test point (Use test point “A” closest to control knob). After taking
pressure reading, be sure and turn captured screw clockwise firmly
to re-seal. Do not over torque. Check for gas leaks.
GAS SUPPLY (continued)
CLEARANCES