Desa DNV25NB, DNV40NB installation manual Combustion Chamber Assembly 25,000 BTU/HR Model

Page 23

OWNER’S MANUAL

ILLUSTRATED PARTS LIST

This list contains replaceable parts used in your furnace. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual.

COMBUSTION CHAMBER ASSEMBLY

7

11

10

25,000 BTU/HR MODEL

15

 

 

16

 

24

19

 

 

21

7

17

 

22

27

18

 

 

26

 

25

22

14

3

6

5

13

8 23

20

13

9

1

1

2

4

12

13

KEY

PART

 

 

KEY

PART

 

 

NO.

NUMBER

DESCRIPTION

QTY.

NO.

NUMBER

DESCRIPTION

QTY.

 

 

 

 

 

 

 

 

1

121357

Screw, #6 x 5/8" **

4

14

020983

Combustion Chamber/

 

2

231955

Wire Harness and

 

 

 

Heat Shield Assembly

1

 

 

Ignition Control

1

15

070606

Heat Shield Gasket

1

3

062461

Ignition Control Mounting

 

16

070398

Burner Access Door Gasket

1

 

 

Bracket

1

17

290141

Cover Plate

1

4

121372

Screw, #6 x 1/2" **

2

18

310026

Glass Disc

1

5

230625

Time Delay Relay

1

19

030893

Burner Access Door

1

6

230218

Bushing

1

20

230844

Bushing with Terminals

1

7

120158

Screw, #8 x 3/8" **

4

21

231950

Flame Sensing Probe

1

8

230825

Limit Switch

1

22

121502

Screw, #6 x 3/8" **

2

9

231144

Terminal Block

1

23

090211

Junction Box Cover

1

10

121224

Screw, #10 x 3/4" **

2

24

121388

Screw, #10 x 1/2" **

4

11

070537

Gasket

1

25

063018

Glo-Bar Retainer

1

12

231143

Transformer Assembly

1

26

100980-01

Glo-Bar

1

13

121252

Screw, #10 x 3/8" **

6

27

070909

Glo-Bar Gasket

1

 

 

 

 

 

 

 

 

** Standard hardware, available at your local hardware store.

201835

23

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Contents For Your Safety What to do if YOU Smell GAS OWNER’S Operation and Installation Manual DNV25NB DNV40NBFor Your Safety 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 WallMounting the Thermostat to Wall Connecting to GAS SupplyConnecting Furnace to Gas Supply at Front of Furnace 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 Instructions For Your Safety Read Before LightingOperating Furnace 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.
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