Monessen Hearth Direct Vent Gas Fireplace MDV500 - Manual (Page 2)

2 75D2523
CONTENTS
Important Safety Information .......................... 3
Product Features .............................................. 5
Code Approval .................................................. 5
Pre-Installation Information ............................. 6
Installing Above 2000 Feet............................ 6
Orifice Sizes, Pressures and BTUs ............... 6
Before You Start............................................ 6
Fireplace Framing ......................................... 7
Fireplace Dimensions.................................... 8
Fireplace Location ......................................... 9
Securing Fireplace to Floor or Framing ....... 10
Clearances ...................................................... 11
Installation Information .................................. 12
Vent Installation .............................................. 13
Installation Precautions ............................... 13
Optional Top Vent Application..................... 14
Installation Planning .................................... 15
Installation for Vertical Termination ............. 15
For Horizontal Termination.......................... 16
How to Use a Vent Graph ........................... 17
Rear Wall Vent Installation .......................... 18
Horizontal (Through-the-Wall) Termination
Configurations ............................................. 21
Horizontal with Vertical Rise
(Through-the-Wall) Applications.................. 22
Below Grade Installation ............................. 23
Vertical Through-the-Roof Installation......... 24
Installation for Vertical Termination ............. 26
Flat Ceiling Installation ................................ 26
Fireplace Installation ...................................... 28
Check Gas Type ......................................... 28
Installing Gas Piping to Fireplace Location . 28
Checking Gas Pressure ................................. 30
Electrical Installation...................................... 31
Electrical Wiring .......................................... 31
Remote Wall Mounted Switch ..................... 31
Electronic Pilot Ignition Wiring..................... 32
Remote Wall Mounted Switch ..................... 32
Optional DC Remote System ...................... 32
Canopy Installation and Glass Removal ...... 33
Brick Installation............................................. 34
Logs and Rock Wool Installation .................. 35
Operating Instructions - Millivolt ................. 38
What To Do If You Smell Gas ..................... 38
Lighting Pilot for the First Time ................... 38
Lighting Pilot - Millivolt................................. 39
Lighting Burner - Millivolt ............................. 40
To Turn Off Gas - Millivolt ........................... 40
Operating Instructions - Electronic Ignition 41
Lighting Electronic Ignition .......................... 41
To Turn Off Gas - Electronic Ignition........... 41
Cleaning and Maintenance ............................ 42
Burner, Pilot and Control Compartment ...... 42
Burner Flame .............................................. 42
Vent System ................................................ 43
Glass Door .................................................. 43
Logs ............................................................ 43
Rock Wool .................................................. 43
Replacement Parts ......................................... 44
Vent Components for 4"x6 5 /
8
" ..................... 44
Vent Components for 5"x8" ......................... 45
Firebox Components ................................... 46
Logs ............................................................ 47
Additional Accessories ............................... 48
Standing Pilot - Millivolt Control .................. 50
Electronic Ignition ........................................ 52
Troubleshooting ............................................. 54
For Massachusetts Residents Only .............. 56
Warranty ...........................................Back Cover
Thank you and congratulations on your purchase of a
Monessen Hearth Systems 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.