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AVFLST Vent Free Fireplace
Monessen • AVFLST42 Installation Instructions • 4118-900 Rev. B • 05/2020
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.
STANDARD WORK CHECKLIST .................................. 3
IMPORTANT SAFETY INFORMATION ......................... 4
Building code information ............................................ 5
PRODUCT FEATURES .................................................. 6
AVFLST42 controls .....................................................
6
Gas specifications & orifice size ..................................
6
Gas pressures .............................................................
6
FIREPLACE and FRAMING DIMENSIONS
.................. 7
PRE-INSTALLATION INFORMATION ........................... 8
Getting started ............................................................. 8
What you will need for installation ............................... 8
Planning the installation .............................................. 8
Adequate combustion and ventilation air .................... 8
Fireplace location ........................................................ 9
Clearances and height requirements ........................ 10
FIREPLACE INSTALLATION ...................................... 12
Secure fireplace to framing ....................................... 12
Finishing material ...................................................... 12
Noncombustible facing installation ............................ 12
Connect the gas ........................................................ 13
Check gas pressure .................................................. 14
Gas pressures ........................................................... 14
ELECTRICAL INSTALLATION .................................... 15
Wiring junction box .................................................... 15
Wiring Requirements ................................................. 16
FINAL INSTALLATION ................................................ 18
Installation of air deflection glass .............................. 18
Fireglass only placement .......................................... 18
Glass and optional stone kit placement .................... 18
OPERATING INSTRUCTIONS .................................... 19
For your safety read before lighting .......................... 19
Heat Management ..................................................... 20
Operation During a Power Outage ............................ 20
Intellifire
™ Plus ODS SYSTEM OPERATION ............ 21
FLAME APPEARANCE & LED CONTROL ................. 28
Flame appearance .................................................... 28
Check the pilot flame ................................................. 28
Check the burner flame ............................................. 28
LED Control ............................................................... 28
MAINTENANCE and CLEANING
................................ 29
Cleaning and servicing .............................................. 29
Replacing top light bulb ............................................. 29
Replacing led strips ................................................... 29
Porcelain Panel Removal .......................................... 30
OPERATION AND OPTIONAL ACCESSORIES ......... 31
Operating information ................................................ 31
Optional accessories ................................................. 31
TROUBLESHOOTING ................................................. 32
Intellifire
™
Plus ODS System ................................... 34
SERVICE PARTS ......................................................... 36
LIMITED LIFETIME WARRANTY ................................ 38
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