Monessen Hearth CFX32, CFX24 Product Features & specifications, Operation, GAS pressures, Pilot

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PRODUCT FEATURES & specifications

CFX Vent Free Fireplace System

HI/LO Control Knob

Control Knob

On/Off Switch

 

 

 

 

Piezo Ignition

FP2750

Figure 1 -

 

 

 

Unvented Gas Heater

 

 

(Control Access Door Shown Open)

 

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.

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.

Gas Specifications

 

 

 

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

 

 

 

 

 

NOTE: For LP models an external regulator is required 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:

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.

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 milli-volt gas log pilot is fitted with a milli-volt generator to provide power for remote activation.

20301726

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Contents What to do if YOU Smell GAS Vent-free Fireplace Systems Models CFX24, CFX32CFX Vent Free Fireplace System ContentsOwner Important Safety InformationInstaller Codes Important Safety InformationGas Specifications Product Features & specificationsOperation GAS pressuresCFX24 CFX32 Fireplace & System DimensionsHandle with care Getting StartedAdequate Combustion and Ventilation AIR Do not Install the CFX Model in a Bedroom or Bathroom Fireplace InstallationClearances and Height Requirements Remove Screen General Installation InformationInstall Mantel Firebox to Mantel Installation General Installation Information Install Optional Firebrick PanelsInstallation Items Needed Installing gas piping to fireplace / burner system locationConnect the GAS Check gas typeConnect the GAS Check GAS Pressure Connecting Optional Wall Switch or Thermostat Electrical Wiring Milli-voltCheck System Operation Connect Remote ReceiverProper installation sequence CFX24 LOG PlacementProper installation sequence LOG & Rockwool PlacementClean CFX32Correct log flame appearance Flame appearanceCheck the pilot flame Operating Instructions Check the Burner FlameOperating Instructions What to do if YOU Smell GASMILLI-VOLT Control Lighting Instructions Match Lighting Instructions Cleaning and ServicingOptional Equipment Blower and Other Optional EquipmentForced Air Kit FirebricksObserved Problem Possible Cause Remedy TroubleshootingTroubleshooting CFX24 CFX32 Replacement PartsReplacement Parts Replacment Parts Replacement Parts are Available Through Your RetailerCFX Vent Free Fireplace System CFX Vent Free Fireplace System Five Year Warranty Lifetime WarrantyBasic Warranty If Warranty Service is NeededMhsc