Laars EBP0110 Installation, Operation And Maintanance Manual Download

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Page 38

LAARS Heating Systems

SECTION 12.
Parts Identification

Item # Description

EBP0110

EBP0175

EDP0110

EDP0175

EDN0110

EDN0175

Pan, Combustion Chamber, Top

2400-502

2400-449

Pan, Combustion Chamber, Bottom

2400-504

Insulation, Coil Cover

2400-506

Insulation, Boiler Coil

2400-508

Coil, Boiler

2400-510

2400-512

2400-510

2400-512

2400-510

2400-512

Gasket, Burner

2400-514

Burner

2400-516

2400-518

2400-516

2400-518

2400-516

2400-518

Transfer Tank

2400-586

—

Boiler Drain

2400-522

10.

Blower, Combustion Air (with gasket) 2400-524

2400-524

11.

Gasket, Blower

2400-540

12.

Ignitor / Flame Sensor (with gasket)

2400-526

13.

Gasket, Ignitor / Flame Sensor

2400-528

14.

Combustion Air Inlet

2400-142

15.

Coin Vent

2400-530

16.

Anti-Condensing Valve Repair Kit

2400-538

—

16.

Anti-Condensing Valve, Operator Only 2400-539

2400-539

—

17.

Water Flow Switch

2400-542

—

18.

Safety Limit, 230°F

2400-550

19.

Sensor, Tank

2400-445

—

20.

Sensor, Supply

2400-445

21.

Sensor, Return

2400-446

22.

Thermostatic Union (not shown)

—

2400-030

2400-447

23.

Pump

2400-592

2400-386

2400-592

2400-386

2400-388

24.

Gaskets, Pump Flange

2400-566

25.

Gas Valve

2400-548

26.

Gas Shutoff Valve

2400-560

27.

Heat Exchanger, DHW

2400-570

—

28.

Gaskets, DHW Heat Exchanger

2400-572

—

29.

Boiler Control

2400-439

2400-440

30.

Ignition Control

2400-441

31.

Reset Switch

2400-568

32.

PWM Board

2400-442

33.

Transformer

2400-448

34.

Relay

—

R2006100

35.

Wiring Harness (not shown)

2400-443

2400-444

36.

Gauge, Pressure (not shown)

2400-574

37.

Pressure Relief Valve (not shown)

2400-112

Summary of Contents for EBP0110

Page 1: ...llation 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 ope...

Page 2: ...elay 24 6 4 4 Oar Outdoor Reset 24 6 4 5 Oal Minimum Outdoor Reset Point 25 6 4 6 rc Outdoor Reset Ratio 25 6 4 7 oTo Warm Outdoor Shutdown 25 6 4 8 unl Temperature Units 25 6 4 9 Add Control Address...

Page 3: ...with the gas to the burner flame holder Both the intake air and the gas are metered through separate orifices before entering the combustion air blower The blower forces the air fuel mixture through t...

Page 4: ...rain etc during appliance operation or service circulator replacement control replacement etc 1 5 Clearances The dimension and criteria in Table 1 should be followed when choosing the location for the...

Page 5: ...ate the opening centerline 16 1 2 42cm above grade use optional concentric vent terminal extension part number 2400 428 shown in Figure 7 In the U S vent terminals must be at least 3 feet 0 9m above a...

Page 6: ...rements are from the centerlineof the venting to the boiler top or face of outside wall Dimensions shown in inches Configuration 2 Maximum horizontal 38 Maximum vertical 16 Measurements are from the c...

Page 7: ...Endurance Page 7 Figure 7 Concentric Vent Parts Dimensions shown in inches...

Page 8: ...tlet See note 4 3 feet 91 cm J Clearance to nonmechanical air supply Direct Vent Only 12 inches 30 cm inlet to building or the combustion air inlet Other Than Direct Vent 4 feet 1 2 m below or 36 inch...

Page 9: ...atFab Inc under the trade name of Saf T Vent by Z Flex under the trade name of Z Vent and by ProTech Systems Inc under the trade name FasNSeal Follow the special gas vent manufacturer s instructions r...

Page 10: ...Page 10 LAARS Heating Systems Figure 13 3 Vent Parts Dimensions shown in inches...

Page 11: ...r boilers that are getting all of their combustion air from inside the building The confined space shall be provided with two permanent openings communicating directly with other spaces of sufficient...

Page 12: ...reen can be used One portion of this assembly connects to the 5 air collar with a screen for the combustion air and the other part connects to the 3 flue opening see Figure 14 The rest of the 3 vent s...

Page 13: ...ocal requirements 3 Install drip leg ground joint union and drip cap to trap sediment and for test gauge access 4 Support all piping with proper hangers 5 All threaded joints should be coated with pip...

Page 14: ...e domestic potable water temperature has fallen below 39 4 C If this condition is recognized the Endurance pump will run for 5 minutes or until the boiler water temperature reaches 45 F 7 C If the boi...

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: ...Install an air purger in flow supply line as shown in piping diagrams 5 Install automatic float type air vent on air scoops Figure 22 Hydronic Piping EBP EDP for Systems Zoned with Circulators Figure...

Page 17: ...ipped with a Low Temperature control feature that recognizes when the water temperature at the outlet of the boiler has fallen below 39 F 4 C If this condition is recognized the Endurance pump will ru...

Page 18: ...y hand B BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS D...

Page 19: ...s il n y a pas d odeur de gaz pr s du plancher car le gaz est plus lourd que l air et peut se d poser sur le plancher QUE FAIRE EN CAS D ODEUR DE GAZ N essayez pas d allumer n importe quelque apparei...

Page 20: ...tch Neutral leg to white wire Ground wire can be connected to the grounding screw in the box or on the switch 2 For single zone installations If external pump is required e g because of large system p...

Page 21: ...Clock Thermostats That Require 24 VAC RELAY 24 VOLT NO CONTACT LAARS P N 2400 060 TO T T BOILER CONNECTIONS 120V 24 20VA W Y G R Rc L1 HOT L2 120 VAC TRANSFORMER NOTE This wiring required only for sin...

Page 22: ...rner On Point that is calculated by subtracting the Burner On Differential from the Burner Control Point The Burner On Differential is adjustable from 4 to 30 F 2 to 17 C in the EDP EDN models and is...

Page 23: ...ic Example Figure 32 EDP EDN Flow Schematic 6 Calculated Setpoint for Outdoor Reset shown as CSP when used The temperature that the controller has calculated for a setpoint based on the outdoor temper...

Page 24: ...This parameter shown as PO in the selection screen allows the user to choose between the Endurance pump running continuously Con or running in the automatic mode Aut such that the pump is energized on...

Page 25: ...ach of the buttons 6 4 5 Oal Minimum Outdoor Reset Point The Oal parameter tells the controller what the minimum allowable supply temperature can be regardless of the outdoor reset calculation For EDP...

Page 26: ...g system T T call for heat Domestic hot water DHW call for heat Error condition detected Supply temperature detected as less than boiler on point 6 6 7 Anti Condense Valve Operation The control on the...

Page 27: ...etween the space in which the appliances remaining connected to the common venting system are located and other spaces of the building Turn on clothes dryers and any appliance not connected to the com...

Page 28: ...en all supply and return valves 2 Fill heating system to minimum operating pressure 12 psig 3 Loosen screw in coin vent and allow any trapped air to escape Collect any water that escapes so that it do...

Page 29: ...l properly If a pump change is required for any reason valve off the boiler and drain approximately 1 or 2 gallons approx 4 8L of water from it Turn off the main disconnect switch and unplug the pump...

Page 30: ...acing shut off the 120 volt power Unplug the transformer wires from the transformer unscrew the two fixing screws and remove the transformer Fit the replacement transformer in reverse order 8 8 PWM Bo...

Page 31: ...om gas valve flange Unplug the blower and the ignitor Remove the bolts from the blower and pull the blower out The boiler assembly may now be removed from the jacket After removal of the boiler assemb...

Page 32: ...WIRING 24V 115V G Y GREEN WITH YELLOW V VIOLET GR GRAY G GREEN O ORANGE BR BROWN BL BLUE Y YELLOW R RED W WHITE BK BLACK COLOUR LEGEND FACTORY WIRING BL W BL W G LINE CONN GND MV1 W S2 FS L2 L1 S1 120...

Page 33: ...durance in setpoint mode instead of outdoor reset mode The ignition control uses LED indication to display the following fault codes Steady On Internal control failure 2 Flashes Erroneous flame signal...

Page 34: ...o disconnect anything to measure the flame current signal To measure the flame signal connect an analog DC microammeter to the FC terminals on the ignition control per Figure 37 The meter should read...

Page 35: ...range adjust the gas valve calibration Always adjust the air orifice first To adjust the gas valve calibration see figure 35 for the location of the offset pressure port and the offset adjustment Whe...

Page 36: ...ct install a smaller gas orifice so that the O2 will rise above 4 or the CO2 will drop to 8 natural or 9 LP The CO2 O2 readings may be influenced by cross contamination Suspect cross contamination if...

Page 37: ...ons of minerals in the water These minerals may cause fouling of the DHW heat exchanger over an extended period of time lime build up Other minerals which react more quickly in well systems mostly mag...

Page 38: ...Repair Kit 2400 538 2400 538 16 Anti Condensing Valve Operator Only 2400 539 2400 539 17 Water Flow Switch 2400 542 2400 542 18 Safety Limit 230 F 2400 550 2400 550 2400 550 2400 550 2400 550 2400 55...

Page 39: ...Endurance Page 39...

Page 40: ...x 800 559 1583 Customer Service Service Advisors 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 ww...

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Laars EBP0110, Installation, Operation And Maintanance Manual

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