1. DL manuals
  2. Laars
  3. Boiler
  4. EBP0110
  5. Installation, operation and maintanance manual

Laars EBP0110 Installation, operation and maintanance manual

Manual is about: EBP Series Modulating Combination Boiler (natural or propane gas) EDP Series Modulating Hydronic Boiler (natural or propane gas) EDN Series Modulating Boiler, non ferrous (natural or propane gas)

Summary of EBP0110

  • Page 1

    Installation, operation and maintenance instructions document 1187b installation, operation and maintenance instructions for endurance ebp series modulating combination boiler (natural or propane gas) edp series modulating hydronic boiler (natural or propane gas) edn series modulating boiler, non fe...

  • Page 2

    Page 2 laars heating systems table of contents section 1. General information 1.1 introduction ................................................... 3 1.2 codes and standards ................................... 3 1.3 unpacking the appliance .............................. 4 1.4 locating the appliance ....

  • Page 3

    Endurance page 3 section 1. General information 1.1 introduction ebp - this appliance is a low pressure, direct vent, hot water boiler that provides priority domestic hot water on demand as well as hydronic space heating. The unit has a twenty gallon tank which holds boiler water (as opposed to dome...

  • Page 4

    Page 4 laars heating systems options code x = none revision 2 = second revision b. The canadian electrical code (csa c22.1), latest edition. C. All applicable local installation codes must also be adhered to. All vent installations must be made in accordance with: a. The applicable venting requireme...

  • Page 5

    Endurance page 5 the following sections describe the requirements for each of these methods. Important note regarding endurance venting: regardless of the venting arrangement being used, the flue gas vent material used with the endurance must be stainless steel special gas vent listed to u.L. Standa...

  • Page 6

    Page 6 laars heating systems figure 5. Horizontal vent kit 2400-009. Configuration 1: maximum horizontal = 28" maximum vertical = 26" (measurements are from the centerlineof the venting to the boiler top or face of outside wall.) dimensions shown in inches. Configuration 2: maximum horizontal = 38" ...

  • Page 7

    Endurance page 7 figure 7. Concentric vent parts. Dimensions shown in inches..

  • Page 8

    Page 8 laars heating systems figure 8. Vent terminal clearance. 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 direct vent only: 12 inches (30 c...

  • Page 9

    Endurance page 9 the vertical vent terminal must be placed such that the bottom of the vent cap is at least 2-feet (0.6m) above any structure (such as the peak of a roof or adjacent wall) within 10 feet (3.0m), and must be at least 3 feet (0.9m) above where the vent pipe exits the roof (see figure 1...

  • Page 10

    Page 10 laars heating systems figure 13. 3" vent parts. Dimensions shown in inches..

  • Page 11

    Endurance page 11 (21mm per meter). Be sure to take this into consideration when choosing the vent terminal location. For applications requiring vertical venting through a roof, the same limitations for length and fittings apply (see table 2). Vertical vents greater than 7 feet (2.1m) in length must...

  • Page 12

    Page 12 laars heating systems 2400-435 tee (to separate venting from combustion air) 4" air terminal (field-supplied) 4" combustion air pipe fan combustion chamber combustion air 2400-409 condensate trap (used if vent height is greater than 7 feet) 2400-416 concentric rain cap (use only on systems w...

  • Page 13

    Endurance page 13 3.2 domestic water piping (ebp only) 1. Connect tempering (mixing) valve 12 “hot” port to hot water outlet from unit. This valve should be rated no higher than 120°f mixed delivery temperature or as local codes dictate. Laars recommends anti-scald tempering (mixing) valves (see fig...

  • Page 14

    Page 14 laars heating systems figure 18. Ebp domestic water piping with recirculating loop. Warning failure to install a hot water tempering (mixing) valve (12) creates a scalding hazard with potential for serious bodily injury. Some brands of tempering (mixing) valves are not designed as anti-scald...

  • 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

    Page 16 laars heating systems edp/edn boilers installed in radiant (in floor) systems and other low mass boilers should be provided with a buffer/blender tank to assure a controlled supply temperature, and to prevent short cycling. In radiant systems utilizing 3-way tempering valves, a bypass pipe m...

  • Page 17

    Endurance page 17 8. Connect boiler feed water supply with shut off valve to inlet connection of automatic fill valve. Locate in boiler outlet piping. 9. If codes require, install suitable back flow preventer between automatic fill valve and city main. 10. The appliance may be installed in single an...

  • Page 18: Operating Instructions

    Page 18 laars heating systems 4. This appliance is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. 5. Remove front door. 6. Turn gas shutoff valve clockwise to “off”. Handle will be horizontal, do not force. 7. Wait five (5) minutes to ...

  • Page 19: Notice D’Utilisation

    Endurance page 19 commande de gaz multifonctions valve de fermeture du gaz 6. Faites tourner la valve de fermeture du gaz dans le sens des aiguilles d’une montre et mettez-la à «off». La poignée sera horizontale. N’employez pas de force. 7. Attendre cinq (5) minutes pour laisser échapper tout le gaz...

  • Page 20

    Page 20 laars heating systems section 5. Electrical connections 5.1 electrical connections all electrical wiring must conform to local codes and/or the latest edition of the national electric code (nec; nfpa 70) or the canadian electric code, part 1 (cec; csa c22.1). Any applicable local codes must ...

  • Page 21

    Endurance page 21 1 2 3 1 1 2 2 3 3 endurance field wiring box t'stat (t) ground 120 vac line c1 circulator t'stat (t) circulator 120 vac neut. Red wht/red grn/yel blk blu/wht wht blu/wht zone thermostats transformer 120 vac 120 v ac r taco zone valves relay 24vac coil n.O.Contacts 24 vac figure 27....

  • Page 22

    Page 22 laars heating systems circulator (120 volt, 5 amp maximum) between the blue wire and the white wire (neutral) (see figure 26). 4. Multi zone/multi-relay-circulator installations: multiple circulators must not exceed 5 amps total when connected to blue wire (see figure 28). Note: on zone valv...

  • Page 23

    Endurance page 23 figure 31. Control logic 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 temperature, when outdoor reset is being used..

  • Page 24

    Page 24 laars heating systems 6.4 setpoint menu the setpoint menu is accessed by pressing the enter button, and holding it for 3 seconds. Move through the setpoint parameters by pressing the up and down arrows. When the desired parameter is displayed, press the enter button. Use the up and down arro...

  • Page 25

    Endurance page 25 6.4. These do not show on the control display, but it is helpful to know how they affect the control logic of the endurance units. 6.5.1 acv release (ebp only) when the ebp is in tank charge mode, and there is a call for space heating, the ebp needs to know at what temperature it c...

  • Page 26

    Page 26 laars heating systems 6.6.2 alarm acknowledge when an alarm is activated (lo or one of the f codes), the control will flash between the alarm display and the supply temperature. Pressing the power button (upper left button) for half a second will allow the user to scroll through the menus fo...

  • Page 27

    Endurance page 27 6.6.8 field-supplied outdoor reset controls when a stand-alone outdoor reset control is used with the endurance, it will only have the ability to reset the system water temperature, and start/stop a call for heat. Although this will work, be aware that this will likely cut into the...

  • Page 28

    Page 28 laars heating systems l’inclinaison horiztonale qui conviennent et s’assurer que le système est exempt d’obstruction, d’étranglement, de fuite, de corrosion et autres défaillances qui pourraient présenter des risques. 3. Dans la mesure du possible, fermer toutes les portes et les fenêtres du...

  • Page 29

    Endurance page 29 7. When there is a call for heat, the pump and the blower will start, the display will show the supply temperature. The appliance will attempt to ignite three times, if ignition is not successful, the appliance will lock out and display “lo”. Ignition reset is done by pressing the ...

  • Page 30

    Page 30 laars heating systems the control displays the supply temperature, by default, and the user can access the heat exchanger inlet temperature, tank temperature (ebp models), heat exchanger delta t, outdoor air temperature (if reset is used), and all of the setpoint and differentials that are s...

  • Page 31

    Endurance page 31 figure 35. Gas valve. 8.11thermostatic union (edp/edn) the thermostatic union is a 1¼" nptf union which must be mounted at the flow outlet to control boiler temperature. The union must be installed so that union nut is on the boiler side of the connection. This insures that the the...

  • Page 32

    Page 32 laars heating systems figure 36. Edp/edn wiring diagram. R r reset switch suppl y thermist or bl return thermist or t ank thermist or o r gr flow switch bl o gr r blower r bk bl 1 1053300 pwm control acv ignitor flamerod e2316600 ignition control gas va lv e y o safety switch 24v ac hot (+) ...

  • Page 33

    Endurance page 33 7. 10 seconds after establishing combustion and proof of flame (via the flame rod signal to ground), the ignitor will be de-energized. 8. For edp/edn units only, the display should indicate a rapid rise in temperature to 150º f (1-2 min. Duration). During this period the thermostat...

  • Page 34

    Page 34 laars heating systems it is flashing three times, for ignition control lockout. If it is, then that is a combustion lockout. A. Poor combustion: poor combustion should be suspected if there is a strong flue gas odor. The odor may result from either an improper gas/air ration (high or low co ...

  • Page 35

    Endurance page 35 to go through a normal cycle. If during this cycle there is no flue odor, repair the leaky joints in the flue pipe. F. Safety limit trip: the safety limit on the endurance is interlocked with the boiler control. If this limit detects outlet water temperature greater than 230°f (110...

  • Page 36

    Page 36 laars heating systems gas valve regulation problems can also cause delayed ignitions. See “gas valve calibration”. Incorrect gas orifice – check orifice size. A defective burner can cause a delayed ignition during operation or at shutdown. If the gas supply pressure is proper the gas valve i...

  • Page 37

    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. If the internal pump operate...

  • Page 38

    Page 38 laars heating systems section 12. Parts identification item # description ebp0110 ebp0175 edp0110 edp0175 edn0110 edn0175 1. Pan, combustion chamber, top 2400-502 2400-502 2400-449 2400-449 2400-449 2400-449 2. Pan, combustion chamber, bottom 2400-504 2400-504 2400-504 2400-504 2400-504 2400...

  • Page 39

    Endurance page 39.

  • Page 40

    H2313500b a subsidiary of bradford white corporation 800.900.9276 • fax 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 www.Laars.Com li...