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Whirlpool EDP/EDN Table Of Contents, Section, General Information, Venting Options, Gas Piping

Models: EDP/EDN

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	Page 2	LAARS HEATING SYSTEMS

TABLE OF CONTENTS

SECTION 1.
General Information
1A.	Introduction	3
1B.	Codes and Standards	3
1C.	Unpacking the Appliance	4
1D.	Locating the Appliance	4
1E.	Clearances	4
SECTION 2.
Venting Options
2A.	Direct Vent Kits	4
2B.	Installing Direct Vent Kits	4
2C.	Locating the Vent on an Outside Wall	4
2D.	Stainless Steel Single Pipe Horizontal
	and Vertical Vents	7
2E.	Air Source for Combustion
	(when not direct vented)	7
2F.	Connecting Special Gas Vent
	to the Appliance	8
2G.	Securing Special Gas Vent	8
SECTION 3.
Gas Piping
3A.	Gas Piping	8
3B.	Domestic Water Piping (EBP only)	9
SECTION 4.
Hydronic Heat Piping
4A.	Hydronic Piping	10
4B.	Using in a Combined Hot Water
	Heating and Chilled Water
	Cooling System	12
4C.	Water Quality and Treatment	13
SECTION 5.
Electrical Connections
5A.	Electrical Connections	13
SECTION 6.
Boiler Start-Up
6A.	Common Vent Test	17
6B.	Filling the System	18
6C.	Firing Burner	18
6D.	Mode and On/Off Buttons Operation	19

SECTION 7.

Maintenance and Component Description

7A.	Unit Pump	19
7B.	Gas Valve	19
7C.	Safety Limit Switch	19
7D.	Operating Control Printed Circuit
	Board (PCB)	19
7E.	Igniter / Flame Sensor Assembly	20
7F.	Transformer	20
7G.	Blower	20
7H.	Transfer Tank (EBP only)	20
7I.	Thermostatic Union (EDP/EDN only)	20
7J	Cleaning the Boiler Coil	20
SECTION 8.
Servicing
8A.	Sequence of Operation	21
8B.	Trouble Shooting - Fault Codes	22
	8B-1. Fault Code Identification	22
	8B-2. Fault Correction	22
	8B-3. Resolving Lockouts	22
	Fault Trees	23
SECTION 9.
Gas Valve Calibration
9A.	Gas Valve Calibration	31
SECTION 10.
Symptom Evaluations
10A.	Delayed Ignition	31
10B.	Short Cycling	32
10C.	Noisy Operation	32
10D.	Insufficient Hot Water (EBP only)	32
10E.	High Gas Consumption	33
SECTION 11.
Parts Identification		34

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Whirlpool EDP/EDN Table Of Contents, Section, General Information, Venting Options, Gas Piping, Hydronic Heat Piping

Contents

P.O. Box Lynnfield, MA Phone Fax For sales, parts and service, callInstallation, Operation and Maintenance Instructions Installation Operation and Maintenance Instructions forSymptom Evaluations TABLE OF CONTENTSSECTION Maintenance and Component Description SECTION1B. Codes and Standards SECTION General Information1A. Introduction 1C. Unpacking the Appliance 2B. Installing Direct Vent KitsSECTION Venting Options 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 Figure 9. Multiple Concentric Vent Clearances 2E. Air Source For Combustion when not direct ventedFigure 7. For Appliances Certified as Direct Vent Table 2. Appliance Venting Design Data2G. Securing Special Gas Vent 2F. Connecting Special Gas Vent to the ApplianceSECTION 3A. Gas Piping3B. Domestic Water Piping EBP only 4A. Hydronic Piping NOTE Never install expansion tank and auto fill valve on returnSECTION Hydronic Heat Piping Figure 15. Hydronic Piping EDP/EBP with Zone Valves EndurancePage 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 TO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE OPERATINGOPERATING INSTRUCTIONS CombinationNOTICE D’UTILISATION PAR MESURE DE PRUDENCE, LISEZ CE QUI SUIT AVANT DEFAIRE FONCTIONNER L’APPAREIL FERMETURE DE L’ALIMENTATION EN GAZ6A. Common Vent Test Fault Code Three There are 8 different Fault Codes definedSECTION Boiler Start Up To read or change mode6B. Filling the System 6C. Firing Burner6D. Mode and On/Off Buttons Operation SECTION Maintenance and Component Description7C. Safety Limit Switch 7A. Unit Pump7F. Transformer 7E. Ignitor / Flame Sensor Assembly7J. Cleaning the Boiler Coil 7G. BlowerSECTION Servicing 8A. Sequence of Operation8B-2. Fault Correction see also Fault Trees in this Section 8B. Trouble Shooting - Fault Codes8B-1. Fault Code Identification 8B-3. Resolving Lockouts LOPage POWER UP FAULT TREEEndurance IGNITION FAULT TREE LAARS HEATING SYSTEMSEndurance FAULT TREESPACE HEATING PageLAARS HEATING SYSTEMS FAULT TREE EBP ONLYDOMESTIC HOT WATER Endurance BOILER TEMPERATUREFAULT TREE PageNATURAL GAS Figure 30. Jumper Wiring for Test and CalibrationMEASUREMENTS AT HIGH FIRE LP GASFigure 31. EDP/EDN Wiring Diagram Figure 32. EBP Wiring Diagram LAARS HEATING SYSTEMS10A. Delayed ignition SECTION Symptom Evaluations9A. Gas Valve Calibration offset adjustment SECTION Gas Valve Calibration10D. Insufficient Hot Water EBP only 10B. Short Cycling10C. Noisy Operation Moisture10E. High Gas Consumption SECTION Parts Identification Model EDP/EDNModel EBP Boiler DrainP.O. Box Lynnfield, MA Phone Fax