Monessen Hearth DBX24C* Electrical Wiring MILLI-VOLT, Operate, That does not Require 110 VAC to

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ELECTRICAL WIRING (MILLI-VOLT)

The milli-volt valve is a self-powered combination gas control

OPERATE.

On/Off

Switch

Wall

Switch

On/Off

Switch

TH = 3

TP = 1

TP/TH = 2

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

THAT DOES NOT REQUIRE 110 VAC TO

ODS

Pilot

ODS

Pilot

Millivolt

Valve

Spade

Terminal

Red

Optional Wall

Figure 31 - Wiring DiagramSwitch, 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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33D4047

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Contents

Read and Save These Instructions Installation and Operating InstructionsModels DFX24C DBX24C DFX32C What to do if YOU Smell GASContents Installer Important Safety InformationOwner Important Safety Information Product Features OperationNatural GAS Propane / LPGPilot Getting StartedThermal Generator General Installation Information DFX24C/DBX24C DFX32CCodes Adequate Combustion and Ventilation AIR15 1/ 2 x 12 x Installing Optional Firebrick Panels Remove ﬁreplace screen See , page 14 and logsBlack Trim Installation DFX24C/DBX24C Attaching Assembled BlackBlack Trim Installation DFX32C Lining Up Corners of Trim KitInstalling Canopy Removing ScreenSecuring Heater to Floor or Hearth Removing GrateLocation of Fireplace Suggested LocationsMinimum42 Fireplace Framing Or /8Custom Cabinet Connecting the GAS Tee Joint Sediment Trap Pipe Nipple Minimum CapChecking GAS Pressure Manual Control FigureOperate Electrical Wiring MILLI-VOLTConnecting Optional Wall Switch or Thermostat That does not Require 110 VAC toChecking System Operation Connecting Remote ReceiverComplete Millivolt System Check LOG Placement Proper Installation Sequence DFX24CProper Installation Sequence DFX32C Proper Installation Sequence DBX24CMILLI-VOLT Control Flame AppearanceChecking the Pilot Flame Manual and Thermostat ControlPlacing Rock Wool Installing Rock Wool and Checking Burner FlameClean Checking Burner FlameChecking the Burner Flame Operating InstructionsOperating Instructions For Your Safety Read Before LightingWhat to do if YOU Smell GAS Manual Control Lighting Instructions To Turn OFF GAS to HeaterThermostatic Control Lighting Instructions Rotation of Control KnobMILLI-VOLT Control Lighting Instructions PilotCleaning and Servicing Match Lighting InstructionsForced AIR KIT Blower and Other Optional EquipmentOptional Equipment Brass LouversIllustrated Parts Breakdown for Cabinet Accessories Standard FeaturesIllustrated Parts Breakdown DFX24C MILLI-VOLT DFX24C ManualLOG SET Replacement Parts ListParts AVAILABLE, not Shown DFX32C MILLI-VOLT DFX32C Manual 33D5511 DBX24C T-STAT Natural Propane DBX24C T-STATDescription AVAILABLE, not ShownTroubleshooting Observed Problem Possible Cause RemedyTroubleshooting Five Year Warranty Lifetime WarrantyBasic Warranty