Whirlpool EDP/EDN warranty Laars Heating Systems

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Page 6			LAARS HEATING SYSTEMS

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).

Figure 6. Part number 2400-360 provides the required venting materials for concentric through-the-roof vents. It allows for a vertical vent, straight off the top of the unit, from 2 to 7 feet (0.6 to 2.1m).

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Contents Endurance Table of Contents General Information 1A. Introduction1B. Codes and Standards Venting Options Endurance Laars Heating Systems 2E. Air Source For Combustion when not direct vented For Appliances Certified as Direct Vent2F. Connecting Special Gas Vent to the Appliance 2G. Securing Special Gas Vent3A. Gas Piping 3B. Domestic Water Piping EBP only Length Capacity of PipeHydronic Heat Piping 4A. Hydronic PipingHydronic Piping EDP/EBP with Zone Valves Hydronic Piping EBP/EDP for Systems Zoned with Circulators Electrical Connections 4C. Water Quality and TreatmentMultiple Zones with Circulators and Room Thermostats For Your Safety Read Before Operating Fermeture DE L’ALIMENTATION EN GAZ To read or change mode Boiler Start Up6A. Common Vent Test 6B. Filling the System 6C. Firing BurnerMaintenance and Component Description 7F. Transformer 7E. Ignitor / Flame Sensor Assembly7J. Cleaning the Boiler Coil 7G. BlowerServicing 8A. Sequence of Operation8B. Trouble Shooting Fault Codes 8B-1. Fault Code IdentificationPower UP Fault Tree Ignition Fault Tree Space Heating Domestic HOT Water Boiler Temperature Poor flame sensor signal The boiler control EDP/EDN Wiring Diagram EBP Wiring Diagram 10A. Delayed ignition Symptom Evaluations9A. Gas Valve Calibration offset adjustment Gas Valve Calibration10B. Short Cycling 10C. Noisy Operation10D. Insufficient Hot Water EBP only 10E. High Gas Consumption Parts Identification Model EDP/EDNModel EBP Boiler DrainBox Lynnfield, MA Phone Fax