Designer Series Gas Fireplaces

CONTENTS

Thank you and congratulations on your purchase of a

Monessen Fireplace.

PLEASE READ THE INSTALLATION AND OPERATION INSTRUCTIONS BEFORE USING THE APPLIANCE!

IMPORTANT: Read all instructions and warnings carefully before starting installation.

Failure to follow these instructions may result in a possible fire hazard and will void the warranty.

Important Safety Information

3

Code Approval

4

Product Features

5

High Elevations

5

Gas Pressures

5

Gas Specifications & Orifice Sizes

5

Before You Start

5

Fireplace & Framing Dimensions

6

Fireplace Dimensions

6

Peninsula Fireplace Framing

7

Corner Fireplace Framing

7

See Through Fireplace Framing

8

Clearances

9

Installation Information

10

Fireplace Location

11

Secure Fireplace

11

Optional Top Vent Application

12

Venting Installation

13

Installation Precautions

13

Installation Clearances

14

Installation Planning

15

Installation for Vertical Termination

15

Termination Location

16

How to Use the Vent Graph

17

Rear Wall Vent Installation

18

Horizontal Termination Configuration

20

Below Grade Installation

22

Vertical Through-the-Roof Installation

23

Installation for Vertical Termination

24

Flat Ceiling Installation

24

Fireplace Installation

26

Check Gas Type

26

Installing Gas Piping

26

Checking Gas Pressure

28

Electrical Installation

28

Electrical Wiring

28

Remote Wall Switch

29

Electronic Pilot Ignition

30

Remote Wall Switch

30

Glass Removal

31

Log Placement

32

Air Restrictor Adjustment

35

Operating Instructions

36

What To Do If You Smell Gas

36

Lighting Pilot for the First Time

36

Lighting Pilot

37

Lighting Burner

38

To Turn Off Gas

38

Cleaning and Maintenance

39

Venting System

39

Cleaning Glass

39

Pilot and Burner Flames

39

Firebox Cleaning

39

Troubleshooting

40

Blower

42

Replacement Parts

43

Massachusetts Residents Only

50

Warranty

51

Efficiencies

52

42D0200

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Monessen Hearth CL)NVC/PVC, PF, CR, 624DV(ST manual Designer Series Gas Fireplaces