Table of Contents
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Installation, Operation and Maintenance Instructions
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water boiler installation and maintenance. Improper installation and/or operation could
create carbon monoxide gas in flue gases which could cause serious injury, property damage, or
death. Improper installation and/or operation will void the warranty. As an additional measure of safety,
Laars strongly recommends installation of suitable carbon monoxide detectors in the vicinity of this
appliance and in any adjacent occupied spaces.
WARNING
If the information in this manual is not
followed exactly, a fire or explosion may
result causing property damage, personal
injury or loss of life.
Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
nearby phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call
the fire department.
Installation and service must be performed by
a qualified installer, service agency, or gas
supplier.
Installation,
Operation and
Maintenance
Instructions for
Endurance
EBP Series Modulating Combination Boiler
EDP Series Modulating Hydronic Boiler
EDN Series Modulating Boiler, non ferrous
WARNING
Assurez-vous de bien suivres les instructions
données dans cette notice pour réduire au
minimum le risque d'incendie ou d'explosion ou
pour éviter tout dommage matériel, toute
blessure ou la mort.
Ne pas entreposer ni utiliser d'essence ni
d'autres vapeurs ou liquides inflammables dans
le voisinage de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d'allumer d'appareils.
• Ne touchez à aucun interrupteur. Ne pas vous
• Appelez immédiatement votre fournisseur de
• Si vous ne pouvez rejoindre le fournisseur de
L'installation et l'entretien doivent être assurés par
un installateur ou un service d'entretien qualifié ou
par le fournisseur de gaz.
A subsidiary of BRADFORD WHITE Corporation
(natural or propane gas)
(natural or propane gas)
(natural or propane gas)
AVERTISSEMENT
servir des téléphones dansle bâtiment où vous
vous trouvez.
gaz depuis un voisin. Suivez les instructions
du fournisseur.
gaz, appelez le sservice des incendies.
Document 1187B
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Table of Contents
Related Manuals for Laars EBP0110
Summary of Contents for Laars EBP0110
- Page 1 Improper installation and/or operation will void the warranty. As an additional measure of safety, Laars strongly recommends installation of suitable carbon monoxide detectors in the vicinity of this appliance and in any adjacent occupied spaces.
-
Page 2: Table Of Contents
Power On/Off ..........26 2.1.1 Concentric Vent Description ......5 6.6.4 Low Fire Hold ..........26 2.1.2 Laars Concentric Vent Kits ......5 6.6.5 High Fire Hold ..........26 2.1.3 Horizontal Concentric Vent Location .... 5 6.6.6 Pump Operation ......... 26 Stainless Steel Single Pipe Horizontal 6.6.7... -
Page 3: General Information
Endurance Page 3 with the gas to the burner (flame holder). Both the SECTION 1. intake air and the gas are metered through separate General Information orifices before entering the combustion air blower. The blower forces the air/fuel mixture through the flame holder and into the combustion chamber. -
Page 4: Unpacking The Appliance
LAARS Heating Systems Page 4 Prod. Line BTU Input Fuel Location Revision Options Code E = Endurance 0 1 1 0 N =Natural Gas I = Indoor 2 = Second X = None P = Propane Revision 0 1 7 5... -
Page 5: Concentric Direct Vent
In the U.S., a direct vent terminal must be at least (see Figure 4). Laars offers two concentric vent kits, 12" (30cm) from any window or door that may be described in section 2.1.2. Laars concentric vents may opened, or any other nonmechanical opening. - Page 6 LAARS Heating Systems Page 6 Configuration 1: Configuration 2: Maximum horizontal = 28" Maximum horizontal = 38" Maximum vertical = 26" Maximum vertical = 16" (Measurements are from the centerlineof the venting to (Measurements are from the centerline of the venting to the boiler top or face of outside wall.)
- Page 7 Endurance Page 7 Dimensions shown in inches. Figure 7. Concentric Vent Parts.
- Page 8 LAARS Heating Systems Page 8 U.S. Installations (see note 1) Canadian Installations (see note 2) A= Clearance above grade, veranda, porch, 12 inches (30 cm) 12 inches (30 cm) deck, or balcony B= Clearance to window or door that may...
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Page 9: Stainless Steel Single Pipe Horizontal
All horizontal portions of the vent system must slope a minimum 1/4" per foot toward the condensate drip tee. Laars vertical vent kit and individual venting components have condensate tees that work in a vertical vent system, and therefore it is not necessary to have an offset in a vertical vent system that uses these parts. - Page 10 LAARS Heating Systems Page 10 Dimensions shown in inches. Figure 13. 3" Vent Parts.
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Page 11: Air Source For Combustion (When Not Ducted To The Endurance)
1/4" per foot toward the (30cm) of the bottom, of the enclosure. The minimum condensate drip tee. Laars vertical vent kit and dimension of air openings shall be not less than 3 in. individual venting components have condensate tees (8 cm). -
Page 12: Connecting Special Gas Vent To The Appliance
LAARS Heating Systems Page 12 The opening shall directly communicate with the 2400-426 outdoors or shall communicate through a vertical 3" vent termination or horizontal duct to the outdoors or spaces that 3" diameter vent with screen (50 equivalent feet, maximum) -
Page 13: Domestic Water Piping (Ebp Only)
This valve should minimize pressure drop between meter or regulator be rated no higher than 120°F mixed delivery and unit. temperature or as local codes dictate. LAARS Run gas supply line in accordance with all RECOMMENDS ANTI-SCALD TEMPERING applicable codes. -
Page 14: Anti-Freeze - Domestic Water
LAARS Heating Systems Page 14 Figure 18. EBP Domestic Water Piping with Recirculating Loop. heating the boiler water. The display will show [ICE] WARNING during this time. Failure to install a hot water tempering (mixing) This feature is intended to assist in protecting the... - Page 15 Endurance Page 15 Figure 19. Hydronic Piping EDP/EBP with Zone Valves. Figure 20. Piping, Single EDP/EBP Boiler for Multiple Temperature Systems. Figure 21. Piping, Model “EDP/EDN” for Radiant Floor.
- Page 16 LAARS Heating Systems Page 16 Figure 22. Hydronic Piping EBP/EDP for Systems Zoned with Circulators. Figure 23. Hydronic Piping EDP for Low-Temp and/or Multi-Temp Systems. EDP/EDN boilers installed in radiant (in floor) Install a diaphragm expansion tank in boiler systems and other low mass boilers should be provided outlet piping.
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Page 17: And Chilled Water Cooling System
Endurance Page 17 Connect boiler feed water supply with shut off 4.4.1 Endurance Boiler Low valve to inlet connection of automatic fill valve. Temperature Feature Locate in boiler outlet piping. Endurance boilers are equipped with a Low If codes require, install suitable back flow Temperature control feature that recognizes when the preventer between automatic fill valve and city water temperature at the outlet of the boiler has fallen... - Page 18 LAARS Heating Systems Page 18 FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life. A. This appliance is equipped with an ignition •...
- Page 19 Endurance Page 19 PAR MESURE DE PRUDENCE, LISEZ CE QUI SUIT AVANT DE FAIRE FONCTIONNER L’APPAREIL MISE EN GARDE Si vous ne suivez pas ces instructions à la lettre, un incendie ou une explosion pourrait se produire et causer des dommages matériels, des blessures personnelles ou même la mort.
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Page 20: Electrical Connections
LAARS Heating Systems Page 20 SECTION 5. Electrical Connections ENDURANCE FIELD WIRING BOX Electrical Connections BLU/WHT All electrical wiring must conform to local codes 120 VAC NEUT. and/or the latest edition of the National Electric Code BLU/WHT (NEC; NFPA 70) or the Canadian Electric Code, Part 120 VAC LINE 1 (CEC;... - Page 21 24 volt power supply. RELAY 24 VOLT NO CONTACT L1 (HOT) LAARS P/N 2400-060 TO T-T BOILER 120V/24-20VA CONNECTIONS TRANSFORMER Figure 29. Wiring for Single Zone Power Stealing Type Clock Thermostats That Require 24 VAC.
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Page 22: Using The Boiler Control
LAARS Heating Systems Page 22 circulator (120 volt, 5 amp maximum) between control will strive to keep the supply temperature at the blue wire and the white wire (neutral) (see 180°F (82°C). Figure 26). In this example, when the Endurance gets the... - Page 23 Endurance Page 23 Figure 31. Control Logic Example. Calculated Setpoint for Outdoor Reset (shown as “CSP” – when used) – The temperature that the controller has calculated for a setpoint, based on the outdoor temperature, when outdoor reset is being used. Figure 32.
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Page 24: Setpoint Menu
LAARS Heating Systems Page 24 Figure 33. EBP Flow Schematic. Endurance pump running continuously (“Con”), or 6.4 Setpoint Menu running in the automatic mode (“Aut”) such that the The setpoint menu is accessed by pressing the pump is energized only when there is a call for heat, enter button, and holding it for 3 seconds. -
Page 25: Oal" Minimum Outdoor Reset Point
Endurance Page 25 6.4. These do not show on the control display, but it is 6.4.5 “Oal” Minimum Outdoor helpful to know how they affect the control logic of Reset Point the Endurance units. The “Oal” parameter tells the controller what the minimum allowable supply temperature can be, 6.5.1 ACV Release (EBP only) regardless of the outdoor reset calculation. -
Page 26: Alarm Acknowledge
LAARS Heating Systems Page 26 Button Action Result Up Arrow Press for 1/2 second 1. Scrolls up through view menu (Upper Right Button) 2. In setup menu, scrolls up through setup menu 3. In setup menu, after parameter is chosen, increases... -
Page 27: Field-Supplied Outdoor Reset Controls
Endurance Page 27 common venting system are located and other 6.6.8 Field-Supplied Outdoor Reset spaces of the building. Turn on clothes dryers Controls and any appliance not connected to the common When a stand-alone outdoor reset control is used venting system. Turn on any exhaust fans, such with the Endurance, it will only have the ability to as range hoods and bathroom exhausts, so they reset the system water temperature, and start/stop a... -
Page 28: Filling The System
LAARS Heating Systems Page 28 l’inclinaison horiztonale qui conviennent et Loosen screw in coin vent and allow any trapped s’assurer que le système est exempt air to escape. Collect any water that escapes so d’obstruction, d’étranglement, de fuite, de that it does not drip on the blower electronics and corrosion et autres défaillances qui pourraient... -
Page 29: Maintenance And Component Description
Endurance Page 29 When there is a call for heat, the pump and the gallons (approx. 4-8L) of water from it. Turn off the blower will start, the display will show the main disconnect switch and unplug the pump wires, supply temperature. -
Page 30: Ignition Control
LAARS Heating Systems Page 30 The control displays the supply temperature, by the transformer, unscrew the two fixing screws and default, and the user can access the heat exchanger remove the transformer. inlet temperature, tank temperature (EBP models), Fit the replacement transformer in reverse order. -
Page 31: Thermostatic Union (Edp/Edn)
Endurance Page 31 8.11Thermostatic Union (EDP/EDN) union nut from the boiler flow manifold, and remove the four (4) screws from the bottom gas valve flange. The thermostatic union is a 1¼" NPTF union Unplug the blower and the ignitor. Remove the bolts which must be mounted at the flow outlet to control from the blower and pull the blower out. - Page 32 LAARS Heating Systems Page 32 Figure 36. EDP/EDN Wiring Diagram.
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Page 33: Fault Code Identification
Endurance Page 33 10 seconds after establishing combustion and The ignition control uses LED indication to proof of flame (via the flame rod signal to display the following fault codes: ground), the ignitor will be de-energized. • Steady On = Internal control failure For EDP/EDN units only, the display should •... -
Page 34: Section 10
LAARS Heating Systems Page 34 it is flashing three times, for ignition control lockout. Inadequate gas supply: Before proceeding, If it is, then that is a combustion lockout. ensure that the gas supply has not been shutoff or the LP tank (LP boilers) is not empty. Then, reset Poor Combustion: Poor combustion should be the boiler and observe the operational cycle. -
Page 35: Air Orifice And Gas Valve Adjustment
Endurance Page 35 to go through a normal cycle. If during this cycle To adjust the gas valve calibration, see figure 35 there is no flue odor, repair the leaky joints in the for the location of the offset pressure port and the flue pipe. -
Page 36: Short Cycling
LAARS Heating Systems Page 36 Gas valve regulation problems can also cause The CO & O readings may be influenced by delayed ignitions. See “Gas valve calibration”. cross contamination. Suspect cross contamination if Incorrect gas orifice – Check orifice size. -
Page 37: High Gas Consumption
Endurance Page 37 Failure of the water flow switch to operate during a hot water draw prevents boiler water from flowing through the DHW heat exchanger and therefor the DHW will not be heated. To test the switch, place a temporary jumper across the flow switch terminals. -
Page 38: Parts Identification
LAARS Heating Systems Page 38 SECTION 12. Parts Identification Item # Description EBP0110 EBP0175 EDP0110 EDP0175 EDN0110 EDN0175 Pan, Combustion Chamber, Top 2400-502 2400-502 2400-449 2400-449 2400-449 2400-449 Pan, Combustion Chamber, Bottom 2400-504 2400-504 2400-504 2400-504 2400-504 2400-504 Insulation, Coil Cover... - Page 39 Endurance Page 39...
- Page 40 20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355 1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.0130 www.Laars.com Litho in U.S.A. © Laars Heating Systems 0805 Document 1187B A subsidiary of BRADFORD WHITE Corporation...
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