Monessen Hearth CFX24 User Manual
5
CFX Vent Free Fireplace System
20301726
PRODUCT FEATURES & SPECIFICATIONS
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 any wall that is accessible to a gas line.
burns cleanly with high heating efficiency.
This zero-clearance unvented gas heater can be installed
against any wall that is accessible to a gas line.
FP2750
CFX controls
CFX controls
Piezo Ignition
Control Knob
Figure 1 -
Unvented Gas Heater
(Control Access Door Shown Open)
Unvented Gas Heater
(Control Access Door Shown Open)
On/Off Switch
HI/LO Control Knob
FP2750
GAS PRESSURES
Control
Fuel
Millivolt
Regulator Pressure
Nat.
3.5” w.c.
Pilot Regulator
Nat.
3.5” w.c.
Max. Inlet Pressure
Nat.
10.5” w.c.
Min. Inlet Pressure
Nat.
5.0” w.c.
Regulator Pressure
LP
10.0” w.c.
Max. Inlet Pressure
LP
13.0” w.c.
Min. Inlet Pressure
LP
11.0” w.c.
Input BTU/hr
Model
Fuel Control
Max. Min.
CFX24NV
Nat.
Millivolt
22,000 17,000
CFX24PV
LP
Millivolt
22,000 17,000
CFX32NV
Nat.
Millivolt
26,000 20,000
CFX32PV
LP
Millivolt
26,000 20,000
GAS SPECIFICATIONS
NOTE: For LP models an external regulator is required
to reduce supply pressure to a maximum of 13" w.c.
to reduce supply pressure to a maximum of 13" w.c.
IGNITION CONTROLS
Piezo ignitor allows ignition of the pilot without the use of
matches or batteries.
Milli-Volt control has four (4) positions:
matches or batteries.
Milli-Volt control has four (4) positions:
OFF - All gas to the gas logs is shut off at the
valve.
IGN - Valve position to light/maintain a stand-
ing pilot.
ON - Valve position to turn ON/OFF log set
with remote switch/thermostat.
LOW/HI - Variable position to control flame height
(heat output). Both front and rear burn-
ers are in operation to provide realistic
glow and yellow flame.
ers are in operation to provide realistic
glow and yellow flame.
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.
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 milli-volt gas log pilot is fitted with a milli-volt generator
to provide power for remote activation.
to provide power for remote activation.