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Whirlpool EDP/EDN warranty Ignition Fault Tree, Laars Heating Systems

Models: EDP/EDN

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IGNITION FAULT TREE

Page 24	LAARS HEATING SYSTEMS

IGNITION FAULT TREE

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Whirlpool EDP/EDN warranty Ignition Fault Tree, Laars Heating Systems

Contents

For sales, parts and service, call Installation, Operation and Maintenance InstructionsP.O. Box Lynnfield, MA Phone Fax Installation Operation and Maintenance Instructions forTABLE OF CONTENTS SECTION Maintenance and Component DescriptionSymptom Evaluations SECTIONSECTION General Information 1A. Introduction1B. Codes and Standards 2B. Installing Direct Vent Kits SECTION Venting Options1C. Unpacking the Appliance 1D. Locating the ApplianceFigure 3. Part number 2400-500 provides all of the required venting materials for appliance installations adjacent to an outside wall and for installation of wall mounted units. Requires minimum above unit clearance of 13 330mm and provides maximum horizontal length of 24 from unit center line to outside wall face Figure 5. Part number 2400-328 provides all of the required venting materials for appliance installations that require adjustable horizontal run, but a short vertical run. It requires minimum above unit clearance of 13 330mm and provides for an adjustable horizontal run of 2 to 3-1/2 0.6 to 1.1m 2E. Air Source For Combustion when not direct vented Figure 7. For Appliances Certified as Direct VentFigure 9. Multiple Concentric Vent Clearances Table 2. Appliance Venting Design Data2F. Connecting Special Gas Vent to the Appliance SECTION2G. Securing Special Gas Vent 3A. Gas Piping3B. Domestic Water Piping EBP only NOTE Never install expansion tank and auto fill valve on return SECTION Hydronic Heat Piping4A. Hydronic Piping Endurance PageFigure 15. Hydronic Piping EDP/EBP with Zone Valves Figure 17. Piping, Model “EDP/EDN” for Radiant FloorFigure 18. Hydronic Piping EBP/EDP for Systems Zoned with Circulators Figure 19. Hydronic Piping EDP for Low-Temp and/or Multi-Temp SystemsSECTION Electrical Connections 4C. Water Quality and TreatmentFigure 24. Multiple Zones with Circulators and Room Thermostats FOR YOUR SAFETY READ BEFORE OPERATING OPERATING INSTRUCTIONSTO TURN OFF GAS TO APPLIANCE CombinationPAR MESURE DE PRUDENCE, LISEZ CE QUI SUIT AVANT DE FAIRE FONCTIONNER L’APPAREILNOTICE D’UTILISATION FERMETURE DE L’ALIMENTATION EN GAZFault Code Three There are 8 different Fault Codes defined SECTION Boiler Start Up6A. Common Vent Test To read or change mode6B. Filling the System 6C. Firing BurnerSECTION Maintenance and Component Description 7C. Safety Limit Switch6D. Mode and On/Off Buttons Operation 7A. Unit Pump7E. Ignitor / Flame Sensor Assembly 7J. Cleaning the Boiler Coil7F. Transformer 7G. BlowerSECTION Servicing 8A. Sequence of Operation8B. Trouble Shooting - Fault Codes 8B-1. Fault Code Identification8B-2. Fault Correction see also Fault Trees in this Section 8B-3. Resolving Lockouts LOPOWER UP FAULT TREE EndurancePage IGNITION FAULT TREE LAARS HEATING SYSTEMSFAULT TREE SPACE HEATINGEndurance PageFAULT TREE EBP ONLY DOMESTIC HOT WATERLAARS HEATING SYSTEMS BOILER TEMPERATURE FAULT TREEEndurance PageFigure 30. Jumper Wiring for Test and Calibration MEASUREMENTS AT HIGH FIRENATURAL GAS LP GASFigure 31. EDP/EDN Wiring Diagram Figure 32. EBP Wiring Diagram LAARS HEATING SYSTEMSSECTION Symptom Evaluations 9A. Gas Valve Calibration offset adjustment10A. Delayed ignition SECTION Gas Valve Calibration10B. Short Cycling 10C. Noisy Operation10D. Insufficient Hot Water EBP only Moisture10E. High Gas Consumption SECTION Parts Identification Model EDP/EDNModel EBP Boiler DrainP.O. Box Lynnfield, MA Phone Fax