Table Of Contents - Monessen Hearth NB18 Installation And Operating Instructions Manual

CONTENTS
Thank you and congratulations on your purchase of a Monessen log set
IMPORTANT: Please read the installation and operation instructions and all warning before installing or using the
appliance! Failure to follow these instructions may result in a possible fire hazard and will void the warranty.
Important Safety Information ......................................3
Codes ..........................................................................4
Product Features and Specifications ........................5
Check Parts .................................................................5
Items Needed for Installation ......................................5
Gas Pressures ............................................................5
Gas Specifications ......................................................5
Millivolt Ignition Controls ............................................5
Signature Command Controls .....................................5
Pilot/ODS ....................................................................5
Thermal Generator ......................................................5
Fireplace and Hearth Dimensions ..............................6
Placement in a Fireplace with Restrictive Barrier ...........6
Adequate Combustion Ventilation Air ............................7
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Clearances and Height Requirements .......................8
Floor Clearance .........................................................11
Fireplace Preparation ................................................12
Before Fully Installing the Unit ..................................12
Vented Application Installation -
NB, NBSC Models ....................................................12
Before Installing the Appliance ..................................12
Damper Stop Installation ...........................................12
Vented Application Installation .................................13
Assembly ...................................................................13
Gas and Valve Connection .......................................14
Gas Line Connection .................................................14
Millivolt Valve Control ................................................14
Electrical Wiring - Millivolt ......................................15
Connect Optional Wall Switch or Thermostat ............15
Connect Remote Receiver ........................................16
Check System Operation ..........................................16
Grate and Log Installation .........................................17
Before You Begin .....................................................17
Cast Iron Grate Installation .......................................17
Rock Wool Placement ...............................................18
Berkley Oak Log Placement .....................................18
Place the Decorative Rock ........................................19
Highland Oak Log Placement ..................................20
Stony Creek Log Placement .....................................21
Kentucky Wildwood Log Placement ..........................23
Beachcomber and Riverwood Log Placement ..........25
Flame Appearance ......................................................26
Check the Pilot Flame ...............................................26
Operating Instructions ...............................................26
Monessen • NB18/24 Gas Log Set Installation/Owner's Manual • 81D0107 • Rev I • 01/19
2
NOTE: Monessen vent ree gas logs are hand painted for
ultimate beauty and realism. As a result, some variation
in color and shading will occur from set to set. This is
intentional and designed to make each product unique,
as found in nature.
Operating Instructions - Millivolt ............................27
For Your Safety Read Before Lighting .......................27
Millivolt Control Lighting Instructions .........................28
To Turn Off Gas to Heater .........................................28
Match Lighting Instructions .......................................29
Check Gas Pressure .................................................30
Electrical Installation-
Signature Command System .................................30
Electrical Wiring ........................................................30
Command Center Wall Installation ............................30
Wall Switch Installation ..............................................30
Wiring Diagram - Signature Command System ......31
Operating Instructions -
Signature Command System .................................32
For Your Safety Read Before Lighting .......................32
Operating Instructions ...............................................33
To Turn Off Gas to Appliance ....................................33
Features ....................................................................34
Battery Installation .....................................................34
System Configuration and Setup ..............................34
Remote Transmitter Learn Function ..........................35
Key Combinations for System Settings .....................35
Functions/Operations from the Command Center ....36
Touch Screen Remote Control Operation .................. 37
Function Areas of the LCD Display ............................. 37
Initializaiton and Set Up .............................................. 37
Functions and Operations ........................................... 38
Safety Features ........................................................... 40
Using the Mounting Base ............................................ 41
Cleaning & Servicing..................................................42
Troubleshooting .........................................................43
Millivolt Control System .............................................43
Signature Command System ....................................44
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Service Parts and Accessories .................................46
Burner Assembly - Millivolt Models .........................46
Burner Assembly - Signature Command System ...48
Berkeley Oak Refractory Logs ..................................52
Highland Oak Refractory Log ....................................55
Stony Creek Refractory Logs ....................................58
Kentucky Wildwood Logs ..........................................61
Beachcomber and Riverwood Refractory Log ..........64
Hi/Lo Accessory Kit ...................................................67
Massachusetts Residents Only.................................68
Warranty ......................................................................69
NB18/NB24 Gas Log Set