Desa Official Manual for Dynavent Wall Heater Models DNV25NB & DNV40NB

Page 19

OWNER’S MANUAL

WIRING DIAGRAMS

REPLACEMENT

 

 

 

 

 

Thermostat

 

 

 

 

 

Red

White

 

 

 

Junction

 

 

Black

 

 

Box

 

 

 

 

 

 

 

 

 

V.A.C.

 

 

 

Black

Black

Green

 

 

 

 

 

Terminal Block

115

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

White

 

 

 

White

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limit

Sail Switch

 

Switch

 

 

Red

Black

 

Time Delay

 

Green

 

Brown

Relay

 

 

Orange

Yellow

 

 

 

Blue

 

1

 

2

Ignition

3

Control

Board

4

5 (Open)

6

PARTS

Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.

PARTS UNDER WARRANTY

Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Technical Service

 

Black

 

 

Yellow

Transformer

 

 

 

 

Brown

 

 

 

 

 

 

370 V.A.C.

 

 

 

Capacitor

 

 

 

 

5 MFD

Yellow

Gas Valve

 

White

 

 

 

 

White

 

Brown

 

 

 

 

 

 

 

Brown

 

White

 

White

Brown

Black

 

 

Motor

 

Note:

 

 

Green

 

 

7

Black

Black Probe

White

White

Glo-Bar

Department at 1-800-323-5190. When call- ing DESA International, have ready:

your name

your address

model and serial number of your furnace

how furnace was malfunctioning

type of gas used (propane/LP or natural gas)

purchase date

Figure 20 - Wiring Diagram (25,000 BTU/Hr Model)

Usually, we will ask you to return the defec- tive part to the factory.

PARTS NOT UNDER

WARRANTY

 

 

 

Limit

Sail Switch

 

 

 

Switch

Thermostat

 

 

 

White

 

 

 

White

Red

Black

 

 

 

Junction

 

 

Green

 

 

Box

 

Time Delay

 

 

 

 

Brown

V.A.C.

Black

Black

Black

Relay

Green

 

Terminal Block

 

Yellow

 

 

 

 

115

 

 

 

 

 

 

 

 

Orange

White

White

 

 

 

 

Blue

 

 

Red

 

 

 

 

 

 

Brown

 

Transformer

Black

 

 

 

 

Brown

 

 

 

 

 

370V.A.C. Capacitor

White

5 MFD

Brown

Gas Valve

White

 

White

 

 

Brown

 

 

 

 

 

White

Brown

White

 

 

 

Black

 

 

Motor

 

 

Note:

 

 

Green

 

 

1

 

2

Ignition

3

Control

Board

4

5 (Open)

6

7

Black

Black Probe

White

White Glo-Bar

Contact authorized dealers of this product. If they can’t supply original replacement part(s), either contact your nearest Parts Central (see below) or call DESA International’s Parts Department at 1-800- 972-7879. When calling DESA Interna- tional, have ready:

model number of your furnace

the replacement part number

Figure 21 - Wiring Diagram (40,000 BTU/Hr Model)

201835

19

Image 19
Contents For Your Safety OWNER’S Operation and Installation Manual DNV25NB DNV40NBFor Your Safety What to do if YOU Smell GAS Dynavent Safety InformationUnpacking Product FeaturesSpecifications Local CodesLocating Furnace InstallationInstallation Items Check GAS TypeCreating Wall Opening and Mounting Furnace Installing ThermostatInstalling in Normal Frame Wall Installing in Masonry WallRouting Thermostat Cable Locating Thermostat on WallConnecting Furnace to Gas Supply at Front of Furnace Connecting to GAS SupplyMounting the Thermostat to Wall Removing Screws on Lower Flange 40,000 BTU/Hr Model Shown Connecting Furnace to Gas Supply at Rear of FurnaceExample Providing Gas Piping to FurnaceChecking GAS Connections Pressure Testing Gas Supply Piping SystemPerformance Check Pressure Testing Furnace Gas ConnectionsOperating Furnace For Your Safety Read Before LightingOperating Instructions Thermostat Control Operation Inspecting Burner FlameNormal Operating Sequence To Turn OFF GAS To FurnaceCleaning and Maintenance Observed Problem Possible Cause Remedy TroubleshootingIgnition Failures Observed Problem Possible Cause Wire and wire connections at probe Parts Wiring Diagrams ReplacementParts Under Warranty Parts not Under WarrantyWhen Gas Quality Is Bad Service HintsTechnical Service When Gas Pressure Is Too LowCabinet Assembly 25,000 BTU/HR Model Illustrated Parts ListCabinet Assembly 40,000 BTU/HR Model Combustion Chamber Assembly 25,000 BTU/HR Model Combustion Chamber Assembly 40,000 BTU/HR Model Burner Assembly 25,000 BTU/HR Model Burner Assembly 40,000 BTU/HR Model Blower Assembly 25,000 BTU/HR Model Blower Assembly 40,000 BTU/HR Model 201835 International Limited Warranty Dynavent GAS Wall Furnace

DNV25NB, DNV40NB specifications

Desa DNV25NB and DNV40NB are contemporary heating solutions designed to meet the demands of modern residential and commercial spaces. Both models integrate advanced technologies, ensuring efficient performance while promoting sustainability and energy conservation.

The DNV25NB is a compact and versatile unit, making it ideal for small to medium-sized environments. It boasts a nominal heating capacity of 25 kW, providing a reliable source of warmth during colder months. One of its main features is the innovative heat pump technology that extracts energy from the environment, thereby lowering electricity consumption compared to traditional heating systems. The unit is also equipped with advanced inverter technology, which allows it to adjust its output according to the heat demand. This results in reduced energy usage and lower utility bills, making it an economical choice for homeowners or businesses aiming to minimize operational costs.

On the other hand, the DNV40NB is designed for larger spaces, offering a robust heating capacity of 40 kW. This model features a dual-stage compressor that enhances its heating efficiency. This technology ensures quick heating response, allowing it to maintain a consistent indoor temperature even in extreme weather conditions. Furthermore, the DNV40NB incorporates smart control systems that enable users to manage settings through a mobile app, providing convenience and remote monitoring capabilities.

Both models are characterized by their eco-friendly refrigerants, which contribute to reduced greenhouse gas emissions. The units are also designed with user-friendly interfaces featuring digital displays, making operation intuitive. Additional safety features, including over-temperature protection and anti-freeze modes, ensure safe usage while prolonging the lifespan of the units.

In terms of installation, both DNV25NB and DNV40NB are designed for easy integration into existing systems. Their compact design enables flexibility in placement without compromising aesthetics. With their reliable performance, energy efficiency, and user-centric technologies, the Desa DNV25NB and DNV40NB offer compelling solutions for those seeking sustainable heating alternatives. Overall, they represent a forward-thinking approach to climate control, combining performance with environmental responsibility.