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CBN20 installation manual
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Contents
Main
UNVENTED (VENT-FREE) BLUE FLAME GAS HEATER
CBN20, CBP20 CBN20T, CBP20T CBN30T, CBP30T CBT20NT, CBT20PT CBT30NT, CBT30PT CBN20TK, CBP20TK
SAFETY INFORMATION
WARNINGS
TABLE OF CONTENTS
SAFETY INFORMATION PRODUCT IDENTIFICATION
LOCAL CODES
UNPACKING
PRODUCT FEATURES
SAFETY DEVICE
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
Marking Screw Locations
THERMOSTAT SENSING BULB
Locating Thermostat Sensing Bulb (for thermostat applications)
Attaching Thermostat Sensing Bulb
Methods For Attaching Mounting Bracket To Wall
INSTALLING HEATER TO WALL
Attaching Mounting Bracket To Wall
Placing Heater On Mounting Bracket
MOUNTING HEATER TO FLOOR
Mounting Base Feet to Heater
Mounting Base Feet to Floor (Where required by local code)
Installing Bottom Mounting Screws
IMPORTANT
CONNECTING TO GAS SUPPLY
Connecting to Gas Supply
Pressure Testing Gas Supply Piping System
CHECKING GAS CONNECTIONS
Pressure Testing Heater Gas Connections
OPERATING HEATER
FOR YOUR SAFETY READ BEFORE LIGHTING
LIGHTING INSTRUCTIONS
TO TURN OFF GAS TO APPLIANCE
Shutting Off Heater
OPERATING HEATER
THERMOSTAT CONTROL OPERATION
MANUAL LIGHTING PROCEDURE
INSPECTING HEATER
PILOT FLAME PATTERN
CLEANING AND MAINTENANCE
ODS/PILOT AND BURNER
CLEANING BURNER PILOT AIR INLET
CABINET
Air Passageways
TECHNICAL SERVICE
SERVICE HINTS
When Gas Pressure Is Too Low
SPECIFICATIONS
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IMPORTANT
MODELS CBN20 CBP20
ILLUSTRATED PARTS BREAKDOWN
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MODELS CBT20NT, CBT20PT CBT30NT, CBT30PT
ILLUSTRATED PARTS BREAKDOWN
Page
REPLACEMENT PARTS
PARTS UNDER WARRANTY
PARTS NOT UNDER WARRANTY
FAN KITS - GA3250T
ACCESSORIES
OWNER'S REGISTRATION FORM
Please answer the following questions to register your product with DESA Heating Products:
Serial Number:
Note:
Date Purchased:
Page
PARTS CENTRALS
WARRANTY INFORMATION
LIMITED WARRANTY VENT-FREE RESIDENTIAL GAS HEATERS
NOT A UPC