Desa GVC65NA, GVC50NA, GVC35NA installation manual Contents

Page 2

CONTENTS

2

SECTION

PAGE

Safety Information

3

Product Identification

5

Local Codes

6

Unpacking

6

Product Features

6

Installing Heater

6

Check Gas Type

6

Installation Items

6

Locating Heater

7

Venting Heater

8

Connecting to Gas Supply

11

Checking Gas Connections

13

Fresh Air For Combustion and Ventilation

14

Determining Fresh-Air Flow for Heater Location

 

Example 1: Locating Heater in Unconfined (Open) Area 15

Draft Hood Spillage Test

15

Providing Permanent Fresh-Air Ventilation

16

Example 2: Locating Heater in Confined (Closed) Area ..

17

Ventilating Confined Area

17

Operating Heater

18

For Your Safety Read Before Lighting

18

Lighting Instructions

18

Manual Lighting Procedure

20

Blower Operation (For Models with Blower)

20

To Turn Off Gas To Appliance

20

Inspecting Pilot and Burner Flame

21

Pilot Flame Pattern

21

Burner Flame Pattern

21

Cleaning and Maintenance

23

Troubleshooting

24

Service Procedures

28

Removing Control Valve and Burner Tube

28

Removing Burner

29

Changing Burner Orifice

30

Blower Wiring Diagram

30

Technical Service

31

Specifications

31

Service Hints

31

Accessories

31

Ordering Replacement Parts

32

Parts Centrals

32

Illustrated Parts List

33-35

Warranty Information

Back Cover

100749

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualFor Your Safety Contents Safety Information Carbon monoxide poisoning may lead to deathSafety Information Product Identification Check GAS Type Local Codes Unpacking Product FeaturesInstallation Items Locating Heater Heater ClearancesVenting Heater Venting Heater Do not vent heater in any of the following ways see FigureVenting Heater Proper Size Vent Connecting to GAS Supply Connecting Heater to Utility Gas LineGas Connection Pressure Testing Gas Supply Piping System Checking GAS ConnectionsFresh AIR for Combustion and Ventilation Determining FRESH-AIR Flow for Heater Location Draft Hood Spillage TestVentilation Air from Outdoors Example 2 Locating Heater in Confined Closed Area Lighting Instructions For Your Safety Read Before LightingOperating Heater Viewing Pilot To Turn OFF GAS to Appliance Manual Lighting ProcedureBlower Operation Shutting Off HeaterBurner Flame Pattern Inspecting Pilot and Burner FlamePilot Flame Pattern Correct Burner Flame Pattern Cleaning and Maintenance Trouble Shooting Observed Possible Problem Cause RemedyCleaning and Mainte TROUBLE- ShootingLighting Instructions Ing statement at TopService Procedures Removing Control Valve and Burner TubeRemoving Burner Changing Burner Orifice Blower WiringDiagram 35,000 BTU/Hr 50,000 BTU/Hr Technical ServiceService Hints Accessories ModelParts Not Under Warranty Ordering Replacement Parts CentralsParts Under Warranty Illustrated Parts List Cabinet AssemblyBurner Assembly Parts List Warranty Information Limited Warranty Vanguard Vented Natural GAS Heaters

GVC35NA, GVC50NA, GVC65NA specifications

Desa GVC series heaters, including models GVC35NA, GVC65NA, and GVC50NA, are prominent products in the realm of gas-fired heating solutions. These heaters are designed for residential and light commercial applications, providing a reliable heat source with high efficiency.

The GVC35NA has a heating capacity of 35,000 BTU, making it an excellent choice for smaller spaces. It features a compact design, allowing for easy installation in various settings. The advanced vent-free technology incorporated into the GVC35NA enables it to operate without the need for external venting, maximizing efficiency and eliminating heat loss. Additionally, this model includes an oxygen depletion sensor (ODS), which ensures safety by shutting off the unit if oxygen levels drop below a certain threshold.

Moving on to the GVC50NA, this model provides a mid-range heating capacity of 50,000 BTU. This unit is ideal for medium-sized rooms and offers the same vent-free technology as the GVC35NA. The GVC50NA's unique design also enhances airflow, ensuring a consistent and comfortable temperature throughout the space. Like its counterpart, it is equipped with the ODS for added safety, making it suitable for use in bedrooms and other enclosed areas.

The GVC65NA represents the upper end of the GVC series, boasting a robust heating capacity of 65,000 BTU. Designed for larger spaces, it features multiple heat settings, allowing users to customize their heating experience based on specific needs. The unit’s sleek design not only provides aesthetic value but also incorporates a built-in blower option, enhancing air circulation and ensuring even heat distribution. Safety remains a priority with the GVC65NA, which includes an ODS as well as a built-in thermostat for precise temperature control.

All models in the GVC series come equipped with simple control mechanisms, ensuring ease of use. They also utilize glowing ceramic elements for efficient and effective heating. Furthermore, the stylish exterior and compact design of these heaters make them an attractive addition to any room.

In summary, the Desa GVC35NA, GVC65NA, and GVC50NA heaters provide a comprehensive range of heating solutions, combining efficiency, safety, and ease of use. Their vent-free operation, built-in safety features, and aesthetic designs make them ideal choices for a variety of heating needs. Whether for small, medium, or large spaces, there is a GVC model to meet specific requirements, ensuring comfort and warmth for users.