Desa VN30BT, VP30BT, VP20BT, VN20BT installation manual Table of Contents

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WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency or the gas supplier.

WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provi- sions for adequate combustion and ventilation air must be provided. Refer to Air for Combustion and Ventilation section on page 5 of this manual.

This appliance may be installed in an aftermarket,* per- manently located, manufactured (mobile) home, where not prohibited by local codes.

This appliance is only for use with the type of gas indi- cated on the rating plate. This appliance is not convert- ible for use with other gases.

*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

State of Massachusetts: The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts.

Sellers of unvented propane or natural gas-fired supplemental room heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit.

Vent-free gas products are prohibited for bedroom and bathroom installation in the Common- wealth of Massachusetts.

TABLE OF CONTENTS

Safety Information

3

Specifications

17

Local Codes

4

Service Hints

17

Unpacking

4

Technical Service

17

Product Information

4

Service Publications

17

Product Features

4

Troubleshooting

18

Air For Combustion and Ventilation

5

Replacement Parts

21

Installation

7

Accessories

21

Operating Heater

14

Illustrated Parts Breakdown and Parts List

22

Inspecting Heater

15

Warranty Information

Back Cover

Cleaning and Maintenance

16

 

 

 

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Unpacking Product FeaturesLocal Codes Unusually Tight Construction AIR for Combustion VentilationProviding Adequate Ventilation Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceCheck GAS Type InstallationVentilation AIR Ventilation Air From Inside BuildingInstallation Items Locating HeaterInstalling Heater to Wall Thermostat Sensing BulbPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsAttaching To Wall Anchor Method Mounting Heater to Floor Connecting to GAS SupplyMounting Base Feet to Floor Where required by local code Mounting Base Feet to HeaterChecking GAS Connections VN30BT, VP30BT 1/2 or greaterPressure Testing Heater GAS Connections Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaLighting Instructions For Your Safety Read Before LightingOperating Heater Inspecting Heater Burner Pilot AIR Inlet Cleaning MaintenanceODS/PILOT and Burner CabinetTechnical Service SpecificationsService Hints Service PublicationsTroubleshooting Observed Problem Possible Cause RemedySee Cleaning and Mainte Gas leak. See Warning Statement aboveReplacement Parts AccessoriesIllustrated Parts Breakdown Models VN20BT, VP20BT VN30BT, VP30BTParts List NJF 8CLimited Warranty VENT-FREE Residential GAS Heaters Warranty InformationKeep this Warranty