Desa DNV40NB, DNV25NB installation manual Combustion Chamber Assembly 40,000 BTU/HR Model

Page 24

DYNAVENT®

DIRECT-VENT NATURAL GAS HEATER

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

 

21

 

 

 

 

22

 

 

 

ASSEMBLY

 

 

 

 

 

 

 

 

 

 

 

 

 

40,000 BTU/HR MODEL

 

19

 

 

 

 

22

 

20

4

 

 

 

21

 

 

 

18

16

15

14

 

 

 

 

16

 

 

 

 

 

 

 

20

 

 

 

17

 

 

16

23

25

24

 

 

 

13

 

 

 

 

26

 

 

 

 

 

 

 

 

4

 

 

16

 

 

 

 

 

 

 

 

 

 

 

 

27

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

16

29

 

 

 

28

16

30

 

 

 

 

6

 

 

 

 

 

4

10

 

 

8

7

11

31

9

 

29

 

 

 

 

3

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

2

1

 

 

 

 

 

KEY

PART

 

 

KEY

PART

 

 

NO.

NUMBER

DESCRIPTION

QTY.

NO.

NUMBER

DESCRIPTION

QTY.

 

 

 

 

 

 

 

 

1

121502

Screw, #6 x 3/8" **

2

18

062563

Ignition Control Mounting

 

2

231950

Flame Sensing Probe

1

 

 

Bracket

1

3

063018

Glo-Bar Retainer

1

19

231954

Wire Harness and

 

4

120158

Screw, #8 x 3/8" **

6

 

 

Ignition Control

1

5

030891

Burner Access Door

1

20

121357

Screw, #6 x 5/8" **

4

6

121388

Screw, #10 x 1/2"

4

21

121224

Screw, #10 x 3/4" **

4

7

310026

Glass Disc

1

22

070537

Gasket

2

8

290141

Cover Plate

1

23

121372

Screw, #6 x 1/2" **

2

9

070398

Burner Access Door Gasket

1

24

231144

Terminal Block

1

10

100980-01

Glo-Bar

1

25

230625

Time Delay Relay

1

11

070909

Glo-Bar Gasket

1

26

231164

Transformer Assembly

1

12

230844

Bushing with Terminals

1

27

062837

Transformer and Relay

 

13

070607

Heat Shield Gasket

1

 

 

Mounting Bracket

1

14

020982

Combustion Chamber/Heat

 

28

062694

Wire Clamp, 5/8" Diameter

5

 

 

Shield Assembly

1

29

230555

Strain Relief Bushing

2

15

061663

Wire Clamp

2

30

090211

Junction Box Cover

1

16

121252

Screw, #10 x 3/8" **

12

31

121577

Screw, #10 x 1/4" **

2

17

230560

Limit Switch

1

 

 

 

 

 

 

 

 

 

 

 

 

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

24

201835

Page 23 Page 25
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Page 23 Page 25
Contents OWNER’S Operation and Installation Manual DNV25NB DNV40NB For Your SafetyFor Your Safety What to do if YOU Smell GAS Safety Information DynaventProduct Features SpecificationsLocal Codes UnpackingInstallation Installation ItemsCheck GAS Type Locating FurnaceInstalling Thermostat Installing in Normal Frame WallInstalling in Masonry Wall Creating Wall Opening and Mounting FurnaceLocating Thermostat on Wall Routing Thermostat CableConnecting to GAS Supply Connecting Furnace to Gas Supply at Front of FurnaceMounting the Thermostat to Wall Connecting Furnace to Gas Supply at Rear of Furnace Removing Screws on Lower Flange 40,000 BTU/Hr Model ShownProviding Gas Piping to Furnace ExamplePressure Testing Gas Supply Piping System Checking GAS ConnectionsPressure Testing Furnace Gas Connections Performance CheckFor Your Safety Read Before Lighting Operating FurnaceOperating Instructions Inspecting Burner Flame Normal Operating SequenceTo Turn OFF GAS To Furnace Thermostat Control OperationCleaning and Maintenance Troubleshooting Observed Problem Possible Cause RemedyIgnition Failures Observed Problem Possible Cause Wire and wire connections at probe Wiring Diagrams Replacement Parts Under WarrantyParts not Under Warranty PartsService Hints Technical ServiceWhen Gas Pressure Is Too Low When Gas Quality Is BadIllustrated Parts List Cabinet Assembly 25,000 BTU/HR ModelCabinet 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 Limited Warranty Dynavent GAS Wall Furnace International

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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