Desa DNV40NB User Manual download pdf

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DYNAVENT



WINDOW WALL FURNACE

DIRECT-VENT NATURAL GAS HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

SOLID STATE IGNITION

50 60 70 80 90

DNV25NB

DNV40NB

25,000 and 40,000 BTU/Hr “B” Model Furnaces

FOR YOUR SAFETY

Do not store or use gasoline or other flammable vapors

and liquids in the vicinity of this or any other appliance.

FOR YOUR SAFETY

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch.

• Do not use any phone in your building.

• Immediately call your gas supplier from a neighbor’s

phone. Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire

department.

WARNING: Improper in-

stallation, adjustment,

alteration, service, or

maintenance can cause

injury or property dam-

age. Refer to this manual

for correct installation

and operational proce-

dures. For assistance or

additional information

consult a qualified in-

staller, service agency,

or the gas supplier.

WARNING: If the information in these instructions is not

followed exactly, a fire or explosion may result causing

property damage, personal injury, or loss of life.

— Installation and ser-

vice must be performed

by a qualified installer,

service agency, or the

gas supplier.

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

This appliance may be installed in an aftermarket*, permanently located, manufac-

tured (mobile) home, where not prohibited by local codes.

This appliance is only for use with the type of gas indicated on the rating plate. This

appliance is not convertible for use with other gases.

1 2 3 4 5 6 ... 29 30

Summary of Contents

Page 1 - DYNAVENT

Save this manual for future reference.DYNAVENTWINDOW WALL FURNACEDIRECT-VENT NATURAL GAS HEATEROWNER’S OPERATION AND INSTALLATION MANUALSOLID STATE

Page 2

10201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®INSTALLATION(Continued)CHECKING GASCONNECTIONS WARNING: Test all gas pip-ing and connections for leaksa

Page 3

11201835OWNER’S MANUALOPOSIPOOff PositionOn PositionFigure 16 - Equipment Shutoff ValveTest Pressures Equal To or Less Than1/2 PSIG (3.5 kPa)1. Close

Page 4

12201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT® WARNING: Furnace burner,combustion chamber, and ex-haust port are very hot duringoperation. Keep child

Page 5

13201835OWNER’S MANUALOPERATINGFURNACE(Continued)1. Set thermostat to lowest setting2. Turn equipment gas valve clockwise to OFF position. Do notforce

Page 6

14201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT® WARNING: Turn off and un-plug furnace and let cool beforecleaning. Turn equipment shutoffvalve to OFF

Page 7

15201835OWNER’S MANUALTROUBLESHOOTING WARNING: Turn off and unplug furnace and let cool before servic-ing. Unless you need gas supply for testing, shu

Page 8

16201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®TROUBLESHOOTINGContinuedwww.desatech.comThe electronic system is made up of twoparts: the ignition cont

Page 9

17201835OWNER’S MANUALwww.desatech.comOBSERVED PROBLEMIgnition failuresPOSSIBLE CAUSE1. Glo bar will not glow - with blower run-ning and microswitch e

Page 10 - Figure 15 - Gas Connection

18201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®www.desatech.comOBSERVED PROBLEMIgnition failuresExcessive noiseMain burner will not cycle offFurnace w

Page 11 - OWNER’S MANUAL

19201835OWNER’S MANUAL1234567JunctionBoxBlackGreen▲WhiteBlackWhiteWhiteBlackTransformerWhiteBrownBrownBlackMotorGreen370 V.A.C.Capacitor5 MFDTerminal

Page 12

2201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®gases will result. Carbon monoxidepoisoning from backed-up flue gasescould occur. The State of Californi

Page 13 - Extended Period of Time

20201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®These Parts Centrals are privately owned businesses. They have agreed to support ourcustomer’s needs by

Page 14 - Exterior

21201835OWNER’S MANUALKEY PARTNO. NUMBER DESCRIPTION QTY.1 030643 Front Cover Assembly 12 121520 Screw, #8 x 3/8" ** 23 191240 Front Cover Trim*

Page 15

22201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®ILLUSTRATEDPARTS LISTCABINET ASSEMBLY40,000 BTU/HR MODELThis list contains replaceable parts used in yo

Page 16

23201835OWNER’S MANUALILLUSTRATEDPARTS LISTCOMBUSTION CHAMBERASSEMBLY25,000 BTU/HR MODELThis list contains replaceable parts used in your furnace. Whe

Page 17 - Continued

24201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®ILLUSTRATEDPARTS LISTCOMBUSTION CHAMBERASSEMBLY40,000 BTU/HR MODELThis list contains replaceable parts

Page 18

25201835OWNER’S MANUALILLUSTRATEDPARTS LISTBURNER ASSEMBLY25,000 BTU/HR MODELThis list contains replaceable parts used in your furnace. When ordering

Page 19 - REPLACEMENT

26201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®ILLUSTRATEDPARTS LISTBURNER ASSEMBLY40,000 BTU/HR MODELThis list contains replaceable parts used in you

Page 20 - When Gas Quality Is Bad

27201835OWNER’S MANUALILLUSTRATEDPARTS LISTBLOWER ASSEMBLY25,000 BTU/HR MODELThis list contains replaceable parts used in your furnace. When ordering

Page 21 - PARTS LIST

28201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®ILLUSTRATEDPARTS LISTBLOWER ASSEMBLY40,000 BTU/HR MODELThis list contains replaceable parts used in you

Page 22

29201835OWNER’S MANUALNOTES___________________________________________________________________________________________________________________________

Page 23

3201835OWNER’S MANUALLOCAL CODESInstall and use furnace with care. Follow alllocal codes. In the absence of local codes, usethe latest edition of the

Page 24

201835Rev. F03/00LIMITED WARRANTYDYNAVENT GAS WALL FURNACEDESA International warrants this product to be free from defects in materials and components

Page 25

4201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®6" MinimumAdjacentSideWallCeilingFinished Floor, Carpet, Tile, etc.12"Minimum12" MinimumF

Page 26

5201835OWNER’S MANUALCREATING WALL OPENINGAND MOUNTING FURNACERemove furnace front cover. Remove thetwo screws at the lower edges of front cover.Lift

Page 27

6201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT®Locating Thermostat on Wall1. Locate thermostat 4 1/2 to 5 feet abovethe floor on an inside wall away fr

Page 28

7201835OWNER’S MANUAL10. Feed thermostat wires from attic tofurnace through 1/2" hole in ceilingwall plate.11. Connect thermostat wires from atti

Page 29

8201835DIRECT-VENT NATURAL GAS HEATERDYNAVENT® WARNING: Never use an openflame to check for a leak. Apply amixture of liquid soap and waterto all join

Page 30 - WARRANTY INFORMATION

9201835OWNER’S MANUALProviding Gas Piping to FurnaceYou must provide gas piping from gas source to furnace. The gas piping must be in a verticalpositi