Laars EDN Series - Installation, Operation and Maintenan User Manual

Installation, Operation and Maintenance Instructions Document 1117FInstallation,Operation andMaintenanceInstructions forEnduranceEBP Series Modulating

Page 10LAARS HEATING SYSTEMS WARNINGFailure to install a hot water tempering (mixing)valve (12) creates a scalding hazard with potential forserious bo

EndurancePage 11Figure 15. Hydronic Piping EDP/EBP with Zone Valves.Figure 16. Piping, Single EDP/EBP Boiler for Multiple Temperature Systems.Figure 1

Page 12LAARS HEATING SYSTEMS2. EDP/EDN ONLY: Connect 1¼" thermostaticunion to system supply connection in directiondesignated with union.3. Pipe

EndurancePage 13Figure 20. Single Zone With Room Thermostat (internalpump provides system flow).Figure 21. Single Zone with Added Circulator(s) andRoo

Page 14LAARS HEATING SYSTEMSFigure 23. Multiple Zones with Three Wire Zone Valves (Requires Isolation Relay).Figure 24. Multiple Zones with Circulator

EndurancePage 154. This appliance is equipped with an ignitiondevice which automatically lights the burner.Do not try to light the burner by hand.5. R

Page 16LAARS HEATING SYSTEMSCommande de gazmultifonctionsValve de fermeturedu gaz6. Faites tourner la valve de fermeture du gaz dansle sens des aiguil

EndurancePage 17Glycol products must be maintained properly in aheating system, or they may become ineffective.Consult the glycol specifications, or t

Page 18LAARS HEATING SYSTEMScan be connected to the grounding screw in thebox or on the switch.2. For single zone installations: (If external pump isr

EndurancePage 19d’une allumette ou d’une chandelle ou la afuméed’une cigarette, d’une cigare ou d’une pipe.6. Une fois qu’il a été déterminé, selon la

Page 2LAARS HEATING SYSTEMSTABLE OF CONTENTSSECTION 1.General Information1.1 Introduction... 31.1 Code

Page 20LAARS HEATING SYSTEMSshutoff valve and 120 volt power and check boileroperation and gas tightness of gas valve connections.7.3 Safety Limit Swi

EndurancePage 217.6 TransformerThe control transformer accepts 120 VAC linevoltage and provides 80 VA of 24 VAC controlvoltage for the boiler control

Page 22LAARS HEATING SYSTEMSThis is done by removing the screws that hold thepanel at the top and lifting the panel away. Isolate theappliance and dra

EndurancePage 23The EBP modulating combination boiler willstart from any of three input signals: (a)T-T closurefor space heating. (b)A demand for dom

Page 24LAARS HEATING SYSTEMSPOWER UPFAULT TREE

EndurancePage 25IGNITION FAULT TREE

Page 26LAARS HEATING SYSTEMSSPACE HEATINGFAULT TREE

EndurancePage 27DOMESTIC HOT WATERFAULT TREE (EBP ONLY)

Page 28LAARS HEATING SYSTEMSBOILER TEMPERATUREFAULT TREE

EndurancePage 29Figure 31. EDP/EDN Wiring Diagram.CautionLabel all wires prior to disconnection when servicingcontrols. Wiring errors can cause improp

EndurancePage 3SECTION 1.General Information1.1 IntroductionEBP - This appliance is a low pressure, directvent, hot water boiler that provides priorit

Page 30LAARS HEATING SYSTEMSFigure 32. EBP Wiring Diagram.CautionLabel all wires prior to disconnection when servicingcontrols. Wiring errors can caus

EndurancePage 31temperature rises rapidly and the safetylimit operates, the internal pump is notoperating. Refer to the wiring diagrams andcheck for v

Page 32LAARS HEATING SYSTEMSVent installations) or the air inlet (Category IVinstallations) is not obstructed. In general, onlydirect vent installatio

EndurancePage 3310.2 Short CyclingPossible causesa. Reduced system flow - EDPb. Thermostatic union (EDP) or anti-condensingvalve not opening (EBP).c.

Page 34LAARS HEATING SYSTEMSSECTION 11.Parts IdentificationDescription Part Number1. PAN, COMBUSTION CHAMBER T0P 2400-5022. PAN, COMBUSTION CHAMBER BO

EndurancePage 35Model EDP/EDN

30-418FWaterpik Technologies, Inc.6000 Condor Drive, Moorpark, CA 93021 • 805.529.2000 • FAX 805.529.593420 Industrial Way, Rochester, NH 03867 • 603.

Page 4LAARS HEATING SYSTEMS2. The CSA standard C22.1 “Canadian ElectricalCode - Part 1” and local codes.All vent installations must be made in accorda

EndurancePage 5Figure 4. Part number 2400-326 for vent installations which require adjustable height and horizontal run. This kitprovides vertical and

Page 6LAARS HEATING SYSTEMSFigure 6. Part number 2400-360 provides the required venting materials for concentric through-the-roof vents. It allowsfor

EndurancePage 7When appliances are used, the concentric ventterminals must be at least 12" apart, edge-to-edge (seeFigure "term").Do no

Page 8LAARS HEATING SYSTEMSFigure 11. Non-Concentric Combustion Air Source.1,000 BTU/hr (293W) boiler input, but not beless than 100 square inches (64

EndurancePage 91. Run gas supply line in accordance with allapplicable codes.2. Locate and install manual shutoff valves inaccordance with state and l