Desa DNV25PB User Manual Page 1

Save this manual for future reference.SOLID STATE IGNITION50 60 70 80 9050 60 70 80 90DYNAVENTWINDOW WALL FURNACEDIRECT-VENT PR

10201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®INSTALLATION(Continued)Installation must include an equipmentshutoff valve (supplied), ground joint

11201839OWNER’S MANUALTest Pressures Equal To or Less Than1/2 PSIG (3.5 kPa)1. Close equipment shutoff valve (see Fig-ure 16).2. Pressurize supply pip

12201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT® WARNING: Furnace burner,combustion chamber, and ex-haust port are very hot duringoperation. Keep ch

13201839OWNER’S MANUALOPERATINGFURNACE(Continued)1. Set thermostat to lowest setting2. Turn equipment gas valve clockwise to OFF position. Do not forc

14201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT® WARNING: Turn off and un-plug furnace and let cool beforecleaning. Turn equipment shutoffvalve to

15201839OWNER’S MANUALTROUBLESHOOTING WARNING: Turn off and unplug furnace and let cool before servic-ing. Unless you need gas supply for testing, shu

16201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®TROUBLESHOOTINGContinuedwww.desatech.comThe electronic system is made up of twoparts: the ignition c

17201839OWNER’S MANUALwww.desatech.comOBSERVED PROBLEMIgnition failuresPOSSIBLE CAUSE1. Glo bar will not glow - with blower run-ning and microswitch e

18201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®www.desatech.comOBSERVED PROBLEMIgnition failuresExcessive noiseMain burner will not cycle offFurnac

19201839OWNER’S MANUAL1234567JunctionBoxBlackGreen▲WhiteBlackWhiteWhiteBlackTransformerWhiteBrownBrownBlackMotorGreen370 V.A.C.Capacitor5 MFDTerminal

2201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®6. This furnace must have fresh air for properoperation. If not, poor fuel combustion andimproper ven

20201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®These Parts Centrals are privately owned businesses. They have agreed to support ourcustomer’s needs

21201839OWNER’S MANUALKEY PARTNO. NUMBER DESCRIPTION QTY.1 030643 Front Cover Assembly 12 121520 Screw, #8 x 3/8" ** 23 191240 Front Cover Trim*

22201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®ILLUSTRATEDPARTS LISTCABINET ASSEMBLY40,000 BTU/HR MODELThis list contains replaceable parts used in

23201839OWNER’S MANUALILLUSTRATEDPARTS LISTCOMBUSTION CHAMBERASSEMBLY25,000 BTU/HR MODELThis list contains replaceable parts used in your furnace. Whe

24201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®ILLUSTRATEDPARTS LISTCOMBUSTION CHAMBERASSEMBLY40,000 BTU/HR MODELThis list contains replaceable par

25201839OWNER’S MANUALILLUSTRATEDPARTS LISTBURNER ASSEMBLY25,000 BTU/HR MODELThis list contains replaceable parts used in your furnace. When ordering

26201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®ILLUSTRATEDPARTS LISTBURNER ASSEMBLY40,000 BTU/HR MODELThis list contains replaceable parts used in

27201839OWNER’S MANUALILLUSTRATEDPARTS LISTBLOWER ASSEMBLY25,000 BTU/HR MODELThis list contains replaceable parts used in your furnace. When ordering

28201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®ILLUSTRATEDPARTS LISTBLOWER ASSEMBLY40,000 BTU/HR MODELThis list contains replaceable parts used in

29201839OWNER’S MANUALNOTES___________________________________________________________________________________________________________________________

3201839OWNER’S MANUALLOCAL CODES UNPACKING1. Remove furnace from carton.2. Remove all protective packaging ap-plied to furnace for shipment.3. Remove

LIMITED WARRANTYDYNAVENT GAS WALL FURNACEDESA International warrants this product to be free from defects in materials and components for one (1) year

4201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®6" MinimumAdjacentSideWallCeilingFinished Floor, Carpet, Tile, etc.12"Minimum12" Minim

5201839OWNER’S MANUALCREATING WALL OPENINGAND MOUNTING FURNACERemove furnace front cover. Remove thetwo screws at the lower edges of front cover.Lift

6201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT®6. Attach thermostat to thermostat mount-ing plate with screws provided (see Fig-ure 4). IMPORTANT: N

7201839OWNER’S MANUAL10. Feed thermostat wires from attic tofurnace through 1/2" hole in ceilingwall plate.11. Connect thermostat wires from atti

8201839DIRECT-VENT PROPANE/LP GAS HEATERDYNAVENT® WARNING: Never use an openflame to check for a leak. Apply amixture of liquid soap and waterto all j

9201839OWNER’S MANUAL CAUTION: Never connect heater directly to the propane/LP supply.This heater requires an external regulator (not supplied). Insta