Reznor DV Operation Manual (for units built before August Manual do Utilizador

NOTICE:The information contained on the following page(s) was produced prior to May 1, 2014. On that date Reznor became part ofNortek, Inc.References

Form O-DV/RDF/ADF, P/N 148385, Page 99. Limit SafetyControlsEach unit has an automatic temperature activated limit control, a manual resettemperat

Form O-DV/RDF/ADF, P/N 148385, Page 10FIGURE 14 - AirPressure Switch10. Air PressureSwitchesLocation: Control Compartment Electrical Box (See FIGU

Form O-DV/RDF/ADF, P/N 148385, Page 1111. Ignition SystemFIGURE 15 - IgnitionControl Module in theElectrical Compartment,P/N 157953FIGURE 16 - Ign

Form O-DV/RDF/ADF, P/N 148385, Page 12FIGURE 20 - ModulatingGas ValveFIGURE 18 - Two-StageGas Valve and DischargeDuctstat in Makeup Air GasControl

Form O-DV/RDF/ADF, P/N 148385, Page 13lengthening or shortening the flame. The BTU output is varied (modulated) tomaintain the required discharge

Form O-DV/RDF/ADF, P/N 148385, Page 1412. Gas Train (cont'd) Electronic ModulationGas Controls (cont'd)FIGURE 25 -Modulating Gas ValveO

Form O-DV/RDF/ADF, P/N 148385, Page 15FIGURE 26 - MaxitrolSeries 14 Components usedin Recirculation Air GasControl Option AG47Return Air Sensor, P

Form O-DV/RDF/ADF, P/N 148385, Page 16If the gas train includes either or both high and low gas pressure switches, theswitches monitor gas pressur

Form O-DV/RDF/ADF, P/N 148385, Page 1714. Door Switch(Option BX1)FIGURE 31 -Door Switch,P/N 124253Location: The control is installed on an overhea

Form O-DV/RDF/ADF, P/N 148385, Page 1815. Inlet Air Controls(cont'd)WARNING: Burnerprofile plates arefactory set to matchCFM requirements. Do

Form O-DV/RDF/ADF, P/N 148385, Page 1FOR YOUR SAFETYWARNING: The use and storage of gasoline or other flammablevapors and liquids in the vicinity

Form O-DV/RDF/ADF, P/N 148385, Page 19FIGURE 35 -PhotohelicPressureSensor,P/N 159893Photohelic PressureSwitch (automaticbuilding pressure sensor)D

Form O-DV/RDF/ADF, P/N 148385, Page 20FIGURE 37 - PhotoelectricSmoke Detector (coverremoved), P/N 159553, usedwith sampling tube, P/N 159714FIGURE

Form O-DV/RDF/ADF, P/N 148385, Page 2120. TroubleshootingChart 1 - System Troubleshooting (Check the diagnostic lights.)Symptom or Problem Cause a

Form O-DV/RDF/ADF, P/N 148385, Page 22REFERENCE: For service and troubleshooting information on the electrical controls,refer to the manufacturer&

Form O-DV/RDF/ADF, P/N 148385, Page 23Chart 2 - Troubleshooting Optional Evaporative Cooling Module (Models ADF/ADFH)WARNING: Disconnect the power

Form O-DV/RDF/ADF, P/N 148385, Page 24FOR SERVICE OR REPAIR, FOLLOW THESE STEPS IN ORDER:FIRST: Contact the InstallerName ________________________

Form O-DV/RDF/ADF, P/N 148385, Page 2MAINTENANCESECTIONSee Chart oLubricate bearings, Paragraph 1Quarterly oCheck the filters, Paragraph 2oCheck a

Form O-DV/RDF/ADF, P/N 148385, Page 3RES1B. Blower BeltsCheck belts for proper tension and wear. Adjust belt tension as needed. Re-place worn belt

Form O-DV/RDF/ADF, P/N 148385, Page 4SSFIGURE 3 - CircuitIndicator Board,P/N 151263Check bulbs notlit with otherbulbs; replaceany burned outbulbs.

Form O-DV/RDF/ADF, P/N 148385, Page 5FIGURE 4 - Burner EndPlate showing Hot SurfaceIgnitorFlame Sensor(not shown)LocationBurnerEnd Plateburner bod

Form O-DV/RDF/ADF, P/N 148385, Page 66. Replace media by sliding media pads over both support rails until backstop is encountered. Media must be p

Form O-DV/RDF/ADF, P/N 148385, Page 72. Remove the service panel and the junction box door. Disconnect the two-line voltage power supply wires fro

Form O-DV/RDF/ADF, P/N 148385, Page 8FIGURE 9 - ControlIdentification and TypicalLocations (Model DV isshown as an example)ControlRelaysOutside Ai