Monessen Hearth CFX24 Electrical Wiring Milli-volt, Connecting Optional Wall Switch or Thermostat

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CFX Vent Free Fireplace System

ELECTRICAL WIRING (Milli-volt)

The milli-volt valve is a self-powered combination gas control that does not require 110V ac to operate.

On/Off

Switch

ODS Pilot

Wall

Switch

On/Off

Switch

TH = 3

TP = 1

TP/TH = 2

Red

Figure 16 -

Wiring Diagram

Switch

	CAUTION	Label all wires prior to disconnection when
	CAUTION	servicing controls. Wiring errors can cause
		servicing controls. Wiring errors can cause
		improper and dangerous operation. Verify
		proper operation after servicing.

ODS Pilot

Millivolt Valve

Spade Terminal

Red

FP2112

Optional Wall Switch, Thermostat, or Remote Receiver

Connecting Optional Wall Switch or Thermostat

1.Use 18 awg, two-wire cable, 20 feet maximum length.

2.At one end of the cable, connect both wires to the wall switch or thermostat. At the other end, connect one wire to TP/TH and one wire to TH. The color of the wires does not matter.

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Contents Vent-free Fireplace Systems Models CFX24, CFX32 What to do if YOU Smell GASContents CFX Vent Free Fireplace SystemImportant Safety Information InstallerOwner Important Safety Information CodesOperation Product Features & specificationsGas Specifications 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 InformationConnect the GAS Installing gas piping to fireplace / burner system locationInstallation Items Needed 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 CFX24Clean LOG & Rockwool PlacementProper installation sequence CFX32Flame appearance Check the pilot flameCorrect 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 InstructionsForced Air Kit Blower and Other Optional EquipmentOptional Equipment 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 Basic Warranty Lifetime WarrantyFive Year Warranty If Warranty Service is NeededMhsc