Monessen Hearth 7000 Series operating instructions Damper Operation Hi Temperature Cut Off Disc

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FINAL INSTALLATION

Damper operation:

NOTE

For Massachusetts residents only: Installation of this vented gas fireplace in the Commonwealth of

Massachusetts requires the damper to be permanently removed or welded into the fully open position. In

addition, a naturally vented gas fireplace may not be installed in a bedroom or bathroom in the

Commonwealth of Massachusetts.

1.When damper arm (1) is all the way to the left and locked into position, the damper system is closed. (Refer to Figure 22.)

2.Pull damper arm (1) forward and unlock from closed position by swinging damper arm (1) to the right. (Refer to Figure 22.)

3.Swing damper arm (1) to the right, forcing into the locked position, to open damper system. (Refer to Figure 22.)

WARNING

Damper must be in open position when appliance main burner is operating. The damper system must be LOCKED into the OPEN position during operation. If damper is not open the appliance will shut down at the pilot. See lighting instructions if this occurs.

If damper system is not locked into the open position, the appliance my cause some spillage into the living

area before the temperature switch can shut the pilot off.

Do not install a damper device to the appliance. Only use damper device that comes with the unit

NOTE

Remove damper instruction tag before operating the unit

Figure 22: Damper Operation

Hi Temperature Cut Off Disc:

This unit is equipped with a shut off disc that helps prevent spillage due to a down draft. It also helps prevent operation of the unit with damper closed. The Hi Temp. switch is located on the upper left corner of the fireplace opening. DO NOT OPERATE THE FIREPLACE WITH THE SWITCH BYPASSED

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Contents Series Table of Contents Important Safety Information Important Safety InformationAlways Burn Propane Models with Doors Closed Product SPECIFICATIONS/LISTING & Code Approval Listing & Code ApprovalModel LAB Type Certification Standard PRE-INSTALLATION Information ContentsItems Required For Installations Tools Building Supplies Before You StartFireplace Dimensions PRE-INSTALLATION Information Combustible Clearances Mantel Clearances Mantel Clearance Floor ClearancesCombustible Vent Installation Vertical Venting Straight up No ElbowPiping Installations Vertical Venting with Two 2 45 Degree ElbowTo Locate and Install Ceiling Firestop Ceiling Firestop Location Vent Termination For Vertical TerminationTo Locate and install Vertical Termination Outside Air Kit InstallationGAS Line and Electrical Installation Do not use open flame to check for gas leaksStanding Pilot Ignition Wiring-Millivolt Control Remote Wall SwitchMillivolt Control Valve Checklist Optional DC Remote SystemsThermopile Output Check Complete Millivolt System CheckElectronic Pilot Ignition Wiring Wiring Diagram for Electronic Ignition SystemGAS Line and Electrical Installation Rock Wool Placement Lava Rock PlacementWall Finishing DefinitionsLog Placement for fiber VDY24/18D3R Log PlacementDoor Rail Installation Damper Operation Hi Temperature Cut Off Disc Operating Instructions Before Lighting the FireplaceLighting the Fireplace You may notice the followingFor Your Safety Read Before Lighting Lighting Instructions Millivolt ControlTo Turn OFF GAS to Appliance Lighting Instructions Electronic IGN Maintenance Standing-Pilot Flame OnlyBurner Flame Soot cleaning fluid may be used on refractory logs Vent SystemGlass Door Parts List / Illustrations Parts List / IllustrationVDY24/18D3R Description 4536 5142 Engine Components Conversion Kit Not Shown for Millivolt-Control OnlyConversion Kit Not Shown for Electronic Ignition Page Electronic Ignition General Troubleshooting Limited Lifetime Warranty Policy 41D2002 Rev 5 April