Monessen Hearth dst30 operating instructions Connecting the GAS, Gas Connection

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CONNECTING THE GAS

NOTICE: A qualified gas appliance installer must connect the heater to the gas supply. Consult all local codes.

CAUTION

Use new black iron or steel pipe. Internally tinned copper or copper tubing can be used per National Fuel Code, section 2.6.3, providing gas meets hydrogen sulﬁde limits, and where permitted by local codes. Gas piping system must be sized to provide minimum inlet pressure (Listed on Data Plate) at the maximum ﬂow rate (BTU/Hr). Undue pressure loss will occur if the pipe is too small.

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. Refer to Figure 13.

To Heater	Pipe Coupling
To Heater
Valve	Pipe	Locations that the Pressure
	Pipe

		Tapping Point May Be Installed

Stainless

Flexible Tube, Pipe

or Metal Tube

Gas Supply

Manual ShutoffInlet

Valve

Figure 13- Gas Connection

IMPORTANT: Hold heater valve ﬁrmly with a wrench to prevent movement when connecting to inlet pipe.

CAUTION

CHECK GAS TYPE: The gas supply must be the same as stated on the heater’s rating plate. If the gas supply is different, DO NOT INSTALL THE HEATER. Contact your dealer for the correct model.

Always use an external regulator for all propane/LPG heaters and high pressure one to two-pound systems

only, to reduce the supply tank pressure to a maximum of 13" w.c. This is in addition to the internal regulator in the heater valve.

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Contents Model DST30 Read and Save These InstructionsWhat to do if YOU Smell GAS Contents Important Safety Information InstallerOwner For Massachusetts Residents only What YOU will Need for Installation Getting StartedMake Sure YOU have Received ALL Parts Product Features and Specifications Natural GASPROPANE/LPG General Installation Information CodesAdequate Combustion and Ventilation AIR BTU/Hr = 15 1/ 2 + 12 x 12 x 1000 = 52800 BTU/Hr Fireplace and Hearth Dimensions Placement in a Fireplace with a Restrictive Barrier Height of Restriction Minimum Depth of Fireplace/FireboxClearances and Height Requirements Sidewall and Ceiling ClearancesClearances and Height Requirements Measuring Heat Resistant Material for Mantel Clearances and Height Requirments Maximum of 10 at a minimum of 28 above the ﬁreboxFloor Clearance Minimum Clearance above Combustible FlooringBefore Installing the Appliance Installing Vented ApplicationsBefore Fully Installing the Unit Damper Stop InstallationInstalling Vented Applications Assembly ProcedurePlacing and Securing Appliance Connecting the GAS Gas ConnectionChecking GAS Pressure MILLI-VOLT Control FigureElectrical Wiring MILLI-VOLT Connecting Optional Wall Switch or ThermostatOperate Connecting Remote Receiver Checking System OperationComplete Millivolt System Check LOG Placement Placing the Decorative RockFlame Appearance Checking the Pilot FlameMILLI-VOLT Control Checking the Burner Flame Operating InstructionsFor Your Safety Read Before Lighting Operating InstructionsWhat to do if YOU Smell GAS MILLI-VOLT Control Lighting Instructions To Turn OFF GAS to HeaterOperating Instructions and Cleaning and Servicing Cleaning and ServicingMatch Lighting Instructions Troubleshooting Observed Problem Possible Cause RemedyBurner does not light after ODS Illustrated Parts Breakdown Replacement Parts List Replacement Parts are Available Through Your RetailerLifetime Warranty Five Year WarrantyBasic Warranty