Monessen Hearth CFX24, CFX32 manual Connect the GAS

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CFX Vent Free Fireplace System

CONNECT THE GAS

WARNING

Only persons licensed to work with gas piping may make the necessary gas connections to this appliance.

CAUTION

A manual shutoff valve must be installed upstream of the appliance. Union tee and plugged 1/8” NPT pressure tapping point should be installed upstream of the appliance. Figure 14

NOTE: The gas line connection may be made using 1/2" rigid tubing or an approved flex connector. Since some municipalities have additional local codes it is always best to consult your local authorities and the current edition of the National Fuel Gas Code ANSI.Z223.1, NFPA54. In Canada CSA-B149 (1 or 2) Installation Code.

A listed manual shutoff valve must be installed upstream of the appliance. Union tee and plugged 1/8" NPT pressure tapping point should be installed upstream of the appliance. Figure 14

IMPORTANT: Install main gas valve (equipment shutoff valve) in an accessible location. The main gas valve is for turning on or shutting off the gas to the fireplace.

CAUTION

Use pipe joint sealant that is resistant to liquid petroleum (LP) gas.

Check your building codes for any special requirements for locating equipment shutoff valve to fireplaces.

Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged burner system valves.

We recommend that you install a sediment trap/drip leg in supply line as shown in Figure 14. Locate sediment trap/drip leg where it is within reach for cleaning. Install in piping system between fuel supply and burner system. Locate sediment trap/drip leg where trapped matter is not likely to freeze. A sediment trap collects moisture and contaminants and keeps them from going into the burner system gas controls. If sediment trap/drip leg is not installed or is installed wrong, burner system may not run properly.

Approved Flexible

Gas Line

Sediment Trap/Drip Leg

Figure 14 -

Gas Connection

CSA Design-Certified Equipment

Shutoff Valve with 1/8" NPT Tap*

Natural Gas

From Gas Meter

(4.5" w.c. to 10.5" w.c. Pressure)

Propane/LP

From External Regulator

(11" w.c. to 13" w.c. Pressure)

Tee Joint

Pipe Nipple

Cap

16

20301726

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Contents Vent-free Fireplace Systems Models CFX24, CFX32 What to do if YOU Smell GASContents CFX Vent Free Fireplace SystemInstaller Important Safety InformationOwner Important Safety Information CodesProduct Features & specifications Gas SpecificationsOperation GAS pressuresFireplace & System Dimensions CFX24 CFX32Getting Started Handle with careAdequate Combustion and Ventilation AIR Fireplace Installation Do not Install the CFX Model in a Bedroom or BathroomClearances and Height Requirements General Installation Information Remove ScreenInstall Mantel Firebox to Mantel Installation Install Optional Firebrick Panels General Installation InformationInstalling gas piping to fireplace / burner system location Installation Items NeededConnect the GAS Check gas typeConnect the GAS Check GAS Pressure Electrical Wiring Milli-volt Connecting Optional Wall Switch or ThermostatConnect Remote Receiver Check System OperationLOG Placement Proper installation sequence CFX24LOG & Rockwool Placement Proper installation sequenceClean CFX32Check the pilot flame Flame appearanceCorrect log flame appearance Check the Burner Flame Operating InstructionsWhat to do if YOU Smell GAS Operating InstructionsMILLI-VOLT Control Lighting Instructions Cleaning and Servicing Match Lighting InstructionsBlower and Other Optional Equipment Optional EquipmentForced Air Kit FirebricksTroubleshooting Observed Problem Possible Cause RemedyTroubleshooting Replacement Parts CFX24 CFX32Replacement Parts Replacement Parts are Available Through Your Retailer Replacment PartsCFX Vent Free Fireplace System CFX Vent Free Fireplace System Lifetime Warranty Five Year WarrantyBasic Warranty If Warranty Service is NeededMhsc