Contents
Main
Air for Combustion and Venti- lation
GN30, GP30 GN30T, GP30T GWN20, GWP20 GWN20T, GWP20T GWN30T, GWP30T WMN20, WMP20
UNVENTED (VENT-FREE) BLUE FLAME GAS HEATER
SAFETY INFORMATION
WARNINGS
TABLE OF CONTENTS
SAFETY INFORMATION
PRODUCT IDENTIFICATION
LOCAL CODES
UNPACKING
PRODUCT FEATURES
PROVIDING ADEQUATE VENTILATION
Unusually Tight Construction
and
Ventilation Air From Outdoors
Determining Fresh-Air Flow For Heater Loca- tion
DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION
Determining if You Have a Confined or Unconfined Space
.
or applicable local codes
National Fuel Gas Code, ANSI Z223.1/NFPA 54 Sec- tion 5.3
VENTILATION AIR
Ventilation Air From Inside Building
Ventilation Air From Outdoors
CHECK GAS TYPE
INSTALLATION ITEMS
LOCATING HEATER
THERMOSTAT SENSING BULB (Thermostat Models Only)
Locating Thermostat Sensing Bulb (for thermostat applications)
INSTALLING HEATER TO WALL
Mounting Bracket
Removing Front Panel Of Heater
Marking Screw Locations
Attaching Mounting Bracket To Wall
Placing Heater On Mounting Bracket
Installing Bottom Mounting Screws
MOUNTING HEATER TO FLOOR WITH OPTIONAL FLOOR KIT
Mounting Base Feet to Heater
Mounting Base Feet to Floor (Where required by local code)
IMPORTANT
CONNECTING TO GAS SUPPLY
Pressure Testing Heater Gas Connections
CHECKING GAS CONNECTIONS
Connecting to Gas Supply
Pressure Testing Gas Supply Piping System
FOR YOUR SAFETY READ BEFORE LIGHTING
LIGHTING INSTRUCTIONS
MANUAL CONTROL MODELS
TO TURN OFF GAS TO APPLIANCE
MANUAL LIGHTING PROCEDURE
Shutting Off Heater
Shutting Off Burner Only (pilot stays lit)
THERMOSTAT CONTROLLED MODELS FOR YOUR SAFETY READ BEFORE LIGHTING
INSPECTING HEATER
PILOT FLAME PATTERN
Shutting Off Heater
Shutting Off Burner Only (pilot stays lit)
TO TURN OFF GAS TO APPLIANCE
CLEANING AND MAINTENANCE
ODS/PILOT AND BURNER
CLEANING BURNER PILOT AIR INLET
CABINET
Air Passageways
TROUBLESHOOTING
Page
TROUBLESHOOTING
IMPORTANT
ILLUSTRATED PARTS BREAKDOWN
ILLUSTRATED PARTS BREAKDOWN
GN30, GP30 GWN20, GWP20 WMN20, WMP20
PARTS LIST
PARTS LIST
ILLUSTRATED PARTS BREAKDOWN
GN30T, GP30T GWN20T, GWP20T GWN30T, GWP30T
ILLUSTRATED PARTS BREAKDOWN
PARTS LIST
PARTS LIST
SPECIFICATIONS
REPLACEMENT PART S
PARTS UNDER WARRANTY
PARTS NOT UNDER WARRANTY
TECHNICAL SERVICE
OWNER'S REGISTRATION FORM
Please answer the following questions to register your product with DESA International:
Serial Number:
Note:
Date Purchased:
Page
FAN KITS - GA3250T
ACCESSORIES
EQUIPMENT SHUTOFF VALVE - GA5010
PARTS CENTRALS
BASE KIT - GA4550
WARRANTY INFORMATION
NOT A UPC
LIMITED WARRANTY VENT-FREE RESIDENTIAL GAS HEATERS
