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PRODUCT FEATURES
Fireplace
Screen
Control
Knob
Piezo
Ignition
On/Off Switch
Figure 1 -
Unvented Gas Heater
(Control Access Door Shown Open)
This vent-free fireplace must be mounted on the floor or
on the optional fireplace hearth.
OPERATION
This unvented gas heater requires no outside venting and
burns cleanly with high heating efficiency.
This zero-clearance unvented gas heater can be installed
against (or recessed into) any wall that is accessible to a
gas line.
GAS PRESSURES
Control
Fuel
Regulator Pressure
Nat.
Pilot Regulator
Nat.
Max. Inlet Pressure
Nat.
Min. Inlet Pressure
Nat.
Regulator Pressure
LP
Max. Inlet Pressure
LP
Min. Inlet Pressure
LP
33D4047
FP2507
VFS DBX controls
Manual &
T-stat
Millivolt
4.0" w.c.
3.5" w.c.
n/a
3.5" w.c.
10.5" w.c.
10.5" w.c.
5.0" w.c.
5" w.c.
10.0" w.c.
10.0" w.c.
13.0" w.c.
13.0" w.c.
11.0" w.c.
11.0" w.c.
GAS SPECIFICATIONS
Model
24DFXNMC
24DFXPMC
24DFXNVC
24DFXPVC
32DFXNVC
32DFXPVC
DBX24NTC
DBX24PTC
NOTE: For LP models an external regulator is required
to reduce supply pressure to a maximum of 13" w.c.
IGNITION CONTROLS
FP2507
Piezo ignitor allows ignition of the pilot without the use of
matches or batteries.
Manual control has four (4) positions:
OFF - All gas to the gas logs is shut off at the
IGN - Valve position to light/maintain a standing
ON - Valve position to turn ON/OFF log set with
LOW/HI - Variable position to control flame height
Thermostat control has three (3) positions:
OFF - All gas to the gas logs is shut off at the
IGN - Valve position to light/maintain a standing
LOW/HI - Variable position corresponding to desired
PILOT
The gas log heater is fitted with a specially designed safety
pilot light which senses the amount of oxygen available in
the room and shuts the gas log heater off if the oxygen level
begins to drop below a satisfactory level. The pilot can only
be relit when adequate fresh air is available.
THERMAL GENERATOR
The millivolt gas log pilot is fitted with a millivolt generator
to provide power for remote activation.
DFX & DBX Series Vent Free Fireplaces
Fuel
Control
Nat.
Manual
22,000
LP
Manual
22,000
Nat.
Millivolt
22,000
LP
Millivolt
22,000
Nat.
Millivolt
26,000
LP
Millivolt
26,000
Nat.
T-Stat
10,000
LP
T-Stat
10,000
valve.
pilot.
remote switch/thermostat.
(heat output). Both front and rear burners
are in operation to provide realistic glow
and yellow flame.
valve.
pilot.
temperature.
Input BTU/hr
Max.
Min.
15,000
17,000
17,000
17,000
20,000
20,000
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5
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