Gas Log Set Installation

2
NBST27 Unvented Gas Log Set
Monessen • NBST27 Gas Log Set Installation/Owner's Manual • 81D3032 • Rev A • 08/16
CONTENTS
Important Safety Information .............................3
Codes .............................................................4
Features and Specications ...............................5
Check Parts ....................................................5
Items Needed for INstallation .........................5
Gas Pressures ................................................5
 GasSpecications ..........................................5
Pilot/ODS ........................................................5
Thermal Generator .........................................5
Product Features and Specications ...............5
Gas Pressures ................................................5
 GasSpecications ..........................................5
Ignition Controls .............................................. 5
Pilot/ODS ........................................................5
Thermal Generator .........................................5
Fireplace and Hearth Dimensions .....................6
Placement in Fireplace with a Restrictive
Barrier .............................................................6
Clearances and Height Requirements ..............7
Floor Clearances ................................................9
Fireplace Preparation .......................................10
Before Fully Installing the Unit ......................10
Installing in Vented Applications ...................10
Before Installing the Appliance .....................10
Damper Stop Installation ..............................10
Place and Secure Appliance .............................11
Gas and Valve Connection ...............................12
Millivolt Valve Control....................................12
Electrical Wiring (Millivolt) ................................13
Connecting Optional Wall Switch
or Thermostat ...............................................13
Connect Remote Receiver ...........................14
Checking System Operation .........................14
Log Placement ...................................................15
Rockwool Placement ....................................15
Log Placement .............................................. 15
Flame Appearance .............................................17
Check the Pilot Flame ..................................17
Check Burner Flame Appearance ................17
Operating Instructions ......................................18
For Your Safety Read Before Lighting ..........18
Millivolt Control Lighting Instructions ............19
To Turn Off Gas to Heater.............................19
Match Lighting Instructions ...........................20
Maintenance .......................................................20
Cleaning and Servicing ................................. 20
Troubleshooting ................................................21
Replacement Parts ............................................23
Accessories .......................................................24
Requirements in Massachusetts......................25
Warranty .............................................Back Cover