Contents
UNVENTED VENT-FREEGAS LOG HEATER
TABLE OF CONTENTS
SAFETY INFORMATION
WARNINGS
PRODUCT IDENTIFICATION
Continued
SAFETY INFORMATION
PRODUCT FEATURES
OPTIONAL REMOTE CONTROL ACCESSORIES
LOCAL CODES
UNPACKING
Continued
AIR FOR COMBUSTION AND VENTILATION
DETERMINING FRESH-AIRFLOW FOR HEATER LOCATION
Confined and Unconfined Space
Continued
AIR FOR COMBUSTION AND VENTILATION
Ventilation Air From Inside Building
Ventilation Air From Outdoors
MINIMUM FIREPLACE CLEARANCE TO
INSTALLATION
COMBUSTIBLE MATERIALS
LOG SIZING REQUIREMENTS
Safe Installation
INSTALLATION
Continued
Minimum Noncombustible Material Clearances
Continued
INSTALLATION
MANTEL CLEARANCES
FLOOR CLEARANCES
Installation Items Needed
INSTALLATION
Continued
Area of Various Standard Round Flues
INSTALLATION
3.Position heater base assembly in fireplace
Continued
CONNECTING TO GAS SUPPLY
INSTALLATION
Installation Items Needed
Continued
Pressure Testing gas Supply Piping system
INSTALLATION
Continued
CHECKING GAS CONNECTIONS
INSTALLING LOGS
INSTALLATION
Pressure Testing Heater Gas Connections
Continued
INSTALLATION
INSTALLATION
Figure 21 - Installing Front Log #1
Figure 22 - Installing Middle Log #2
THERMOSTAT-CONTROLLEDMODELS FOR YOUR SAFETY READ
OPERATING HEATER
BEFORE LIGHTING
LIGHTING INSTRUCTIONS
Continued
OPERATING HEATER
Shutting Off Heater
Shutting Off Burners Only pilot stays lit
Continued
OPERATING HEATER
Shutting Off Heater
Shutting Off Burners Only pilot stays lit
OPERATING HEATER
Continued
2.Make sure equipment shutoff valve is fully open
Continued
OPERATING HEATER
Shutting Off Heater
Shutting Off Burners Only pilot stays lit
OPERATING HEATER
Safety Features
Continued
Manual Mode
INSPECTING BURNERS
PILOT FLAME PATTERN
FRONT BURNER FLAME PATTERN
CLEANING AND MAINTENANCE
LOGS
MAIN BURNER
OBSERVED PROBLEM
TROUBLESHOOTING
POSSIBLE CAUSE
REMEDY
OBSERVED PROBLEM
TROUBLESHOOTING
See Wiring Diagram, page
Maintenance, page
OBSERVED PROBLEM
TROUBLESHOOTING
Maintenance, page
Continued
OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB
FOR MASONRY AND FACTORY-BUILTMETAL FIREPLACE
Thermostat-ControlledModels Only
18 Remote-Ready
SPECIFICATIONS
24 Remote-Ready
30 Remote-Ready
REPLACEMENT PARTS
WIRING DIAGRAM
SERVICE HINTS
TECHNICAL SERVICE
VARIABLE MANUALLY-CONTROLLED SPLIT OAK MODELS
ILLUSTRATED PARTS BREAKDOWN
NVS18NV, NVS18PV, NVS24NV, NVS24PV
NVS30NV AND NVS30PV
PARTS LIST
PARTS LIST
VARIABLE MANUALLY-CONTROLLEDSPLIT OAK MODELS
THERMOSTAT-CONTROLLEDMODELS NVS18NT, NVS18PT
ILLUSTRATED PARTS BREAKDOWN
NVS24NT, NVS24PT, NVS30NT and NVS30PT
ILLUSTRATED PARTS BREAKDOWN
PARTS LIST
PARTS LIST
THERMOSTAT-CONTROLLEDMODELS
REMOTE-READYVARIABLE CONTROL MODELS
ILLUSTRATED PARTS BREAKDOWN
NVS18NR, NVS18PR, NVS24NR, NVS24PR
NVS30NR AND NVS30PR
PARTS LIST
PARTS LIST
REMOTE-READYVARIABLE CONTROL
ACCESSORIES
OWNERS REGISTRATION FORM
TAPE
Postage Required
TAPE
2701 Industrial Drive P.O. Box Bowling Green, KY
Page
WARRANTY INFORMATION
NOT A UPC
LIMITED WARRANTY VENT-FREEGAS LOG HEATERS
Model Serial No Date Purchased