Buderus Logano G115 WS Installation Instructions Manual
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Buderus Logano G115 WS Installation Instructions Manual

Low-temperature oil boiler
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Installation and Service Instructions
Logano
G115 WS US/CA
Read carefully before carrying out installation and maintenance.
Caution!
Observe the safety instructions of this
installation and maintenance manual before
placing the boiler in operation.
Danger!
If installation, adjustment, modification,
operation or maintenance of the heating
system is carried out by an unqualified person,
this may result in danger to life and limb or
property damage.
The directions of this installation and
maintenance manual must be followed
precisely.
Contact a qualified service company or service
provider if support or additional information is
required.
Caution!
The operating manual is a component of the
technical documentation and must be handed
over to the operator of the heating system.
Discuss the content of this manual with the
owner or operator of the heating system to
ensure that they are familiar with all
information required for operation of the
heating system.
6 720 804 872-00.2T
Low-temperature oil boiler

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Summary of Contents for Buderus Logano G115 WS

  • Page 1 6 720 804 872-00.2T Installation and Service Instructions Logano G115 WS US/CA Read carefully before carrying out installation and maintenance.

  • Page 2: Table Of Contents

    5.6.2 HydroStat installation ......24 Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 3: Safety Considerations And Symbol Descriptions

    Notes are identified in the text by this symbol. They are bounded by horizontal lines above and below the text. Notes contain important additional information.Notes do not contain any warnings or information about hazards or risks. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 4: Installation Guidelines

    CAUTION: FIRE DANGER due to flammable or liquid materials. ▶ Make sure that flammable and liquid materials are not stored in the close vicinity of the boiler. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 5: Product Description

    Unsuitable heating system water promotes sludge formation and corrosion. This can result in heating system malfunction and boiler damage. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 6: Product Description

    ▶ Only the burner provided may be employed with this boiler. 6 720 615 225-01.1RS Fig. 1 Boiler without burner Control panel Boiler jacket Boiler heat exchanger with insulation Burner door Burner door panel Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 7: Pack Contents

    • Bolt set B-Kit G115"US" • adjustable boiler feet M10 x 51 packed Controller 1 box Technical documentation 1 foil package Table 1 Package Contents 1) in the combustion chamber in the boiler Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 8: Dimensions Specifications

    Distance between boiler feet (F Inch 10-3/8" 16-1/8" 20-7/8" Net weight – Table 3 Dimensions, weight and other data for boilers without burners 1) Incl. packaging material approx. 6-8 % more Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 9: Conditions For Operation

    3) Boiler water temperature control setting: when the boiler is in ON mode, the minimum boiler water temperature in the boiler must be reached within 10 minutes, e.g. by flow rate limitation, and maintained as the minimum temperature. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 10: Conditions For The Boiler Room And The Environment

    Free of contaminants (for example dust, mist, humidity), i. e. a constant operation will not lead to accumulation of deposits, in valves, strainers and filters and could lead to service calls. Table 7 Fuels Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 11: Conditions Power Supply

    The heating system may only be filled and topped up with water of domestic water quality. We recommend a pH value of 8.2 – 9.5. Table 9 System configuration and water quality Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 12: Moving The Boiler

    6 720 615 225-02.1RS Fig. 3 Removing burner door panel Fig. 4 Removing the burner door Prevent the burner door from falling over and damaging the burner and blast tube. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 13: Lifting And Carrying The Boiler

    ▶ Move the boiler to the installation location. 7 747 019 141-05.1RS Fig. 5 Lifting and carrying the boiler 7 747 019 141-06.1RS Fig. 6 Moving the boiler with a boiler hand truck Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 14: Installing The Boiler

    ▶ Make sure that there is a sufficient clearance between combustible materials and the chimney connection as specified by NFPA 31 (distance of 18 "). ▶ The floor must comply with the requirements of NFPA 31. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 15: Reversing Boiler Door

    Reversing the burner door (boiler heat exchanger attachments) Hinge bolts Hinges 7 747 019 141-09.1RS Fig. 9 Reversing the burner door (door attachments) Hinge-barrel bolts Hinge lobes Burner door Hinges Heat exchanger baffle plates Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 16: Mounting The Adjustable Feet (Included With B-Kit)

    ▶ Screw in adjustable feet ¼ " – 3/8". ▶ Gently set the boiler down. 7 747 019 141-11.1RS Fig. 11 Leveling the boiler horizontally 7 747 019 141-10.1RS Fig. 10 Fitting adjustable feet Angle bracket Adjustable feet Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 17: Installing The Boiler

    To prevent down drafts extend chimney at least 3 feet above the roof opening and at least 2 feet above any part of the roof within a radius of 10 feet. Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 18 If necessary, install a barometric damper in the flue system to maintain the underpressure in the system or to meet code requirements. Always install the draft controller in vertical position. Use a draft gauge when making adjustments. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 19: Fitting The Water Connections

    90° ¾ " NPT elbow We recommend installing a dirt filter (optional) in the boiler return connection to reduce build-up of debris on the water side. Fig. 13 Checking thread length on double nipple Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 20: Installation Of Boiler Drain (Included In B-Kit)

    Air eliminator (in main supply) System pump Flow check valve Expansion tank Automatic feed valve Flow check valve [10] Purge station [11] Water feed [VK] Boiler supply [EL] Drain [RK] Return Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 21: Filling The Heating System And Checking For Leaks

    ▶ Isolate the expansion tank from the system by closing the valve. ▶ Open the mixing and shut-off valves on the heating water (primary) side. ▶ Slowly fill the boiler with tap water. 7 747 019 141-17.1RS Fig. 17 Pressure/temperature gauge Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 22 ▶ Bleed the system via the radiator bleed valves if applicable. ▶ Top with water if the pressure drops as a result of bleeding the system. ▶ Installing pressure relief valve ( Fig. 14 NOT DEFINED, page 19) Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 23: Mounting The Burner

    For details of the correct burner settings  flue system documentation and  burner documentation. ▶ Follow the manufacturer’s direction for installation, fine adjustment and regular maintenance procedures. 7 747 019 141-18.1RS Fig. 18 Burner door mounting holes Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 24: Installation

    For Canadian installations fit a blocked vent switch per the vent switch manufacturer’s instructions and as close as possible to the boiler breach. See pages 50 - 52 for wiring diagrams. Fig. 19 Removing rear boiler cover and cover plate. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 25: Fitting The Controls

    Locating holes ▶ Remove the controls cover. – Unscrew the cover screws. ▶ Secure the controls with self-tapping screws. 7 747 019 141-22.1RS Fig. 21 Cover, removing Cover screws Self-tapping screws Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 26: Fitting Temperature Sensor Assembly And Burner Cable

    Plastic coil Balancing spring Sensor retaining clip Fig. 22 Routing and connecting cables Cable entry in the front boiler cover Capillary tube and sensor cable Immersion well (sensing point) Burner cable Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 27: Connecting The Power Supply And Additional Components

    ▶ Flip the toggle up (step 4). Fig. 25 Fitting the rear boiler cover Controls cover Rear boiler cover 7 747 019 141-25.1RS Fig. 24 Securing cables with cable ties Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 28: Commissioning The Heating System

    ▶ Top up the heating water or drain via the boiler drain valve until the required operating pressure has been reached: minimum 15 psi, maximum 30 psi pressure. ▶ Bleed air from the heating system while filling. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 29: Checking Position Of Heat Exchanger Baffles

    On/off switch Preparing the heating system for operation ▶ Open the fuel supply at the main shut-off valve. ▶ Switch on the heating system emergency shut-off switch and/or the appropriate circuit-breaker. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 30: Notes On Commissioning The Burner

    ▶ Wear appropriate protective gloves or use pliers. ▶ Adjusting the position of heat exchanger baffles -or- ▶ Removing heat exchanger baffles -or- ▶ Removing the heat exchanger barrier plate Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 31: Removing Heat Exchanger Baffles

    ▶ Recheck tightness of burner door after operation the burner for 10 minutes. ▶ Check stack temperature again. 7 747 019 141-32.1RS Fig. 33 Removing the heat exchanger barrier plate Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 32: Manual Reset High Limit (Stb)

    ▶ Mount the selected burner to the hole circle in the burner door. ▶ Connect burner cable to burner. ( Installation instructions of burner). 7 720 615 225-03.1RS Fig. 34 Installing the burner door jacket Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 33: Commissioning Log

    Informing the end user and handing over technical documentation Confirmation of properly completed commissioning Company stamp/signature/date Inform the customer about the correct fuel and correct operating pressure. Enter the details in the table ( boiler operating instructions). Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 34: Shutting Down The Heating System

    Shutting down normally ▶ Disconnect the heating system from the electrical power supply by ▶ With Buderus controls: switch off the on/off switch on the controls means of the emergency shutoff switch or the heating system circuit- (position "0"). This switches off the boiler and all its components breaker.

  • Page 35: Heating System Servicing

    • to ensure reliable operation and long service life. Servicing work may only be carried out by a qualified service technician. If parts are replaced, only Buderus approved components may be used. A service must be carried out once a year. The results of the services must be recorded in the servicing and maintenance log.

  • Page 36: Cleaning The Boiler

    ▶ Refit the heat exchanger baffles in their original positions. ▶ Check sealing rope on burner door. Replace damaged or hardened gasket cord. You can obtain suitable gasket cord from your local Buderus sales office. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 37: Checking Heating System Operating Pressure

    The pressure relief valve must open and release pressure. If the pressure relief valve does not discharge, it must be replaced, because system components may be damaged by excessive pressure. Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 38: Servicing And Maintenance Logs

    Checking controls settings ( controls' documentation) Record the final checks of the inspection work, incl. measurements and test results Confirmation of properly completed servicing Company stamp/ Company stamp/ Company stamp/ signature signature signature Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 39 If any condition requiring maintenance work is identified in the course of servicing, that work must be carried out as necessary to ensure safe and proper operation. Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 40 Date:______ Date:______ Date:______ Date:______ Date:______ Date:______ Date:______ Company stamp/ Company stamp/ Company stamp/ Company stamp/ Company stamp/ Company stamp/ Company stamp/ signature signature signature signature signature signature signature Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 41: Troubleshooting

    ▶ If this is not possible, protect your heating system from freezing by draining the heating system and hot water pipes at the lowest point. 6 720 615 225-04.1RS Fig. 41 Resetting the burner Burner Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 42: Installation Examples

    G115 WS/NA 7 747 019 141-40.1RS Fig. 42 Multiple circuits with circuit valves Baseboard G115 WS/NA G125 WS/NA 7 747 019 141-41.1RS Fig. 43 Multiple circuits with circuit valves Baseboard Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 43 Radiator Boiler bypass 180˚ 160˚ 120˚ 100˚ R2107 100˚ 180˚ G115 WS/NA G125 WS/NA 7 747 019 141-43.1RS Fig. 45 Multiple circuits with pumps and motor-actuated 3-way mixing valve Baseboard Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 44: Parts Lists

    Parts lists Parts lists The following parts are available from Buderus. If there are several Legend for tables 14 and 15: Buderus article numbers for one item number, the numbers for the x = no spare part various models are listed in the relevant columns. Otherwise the table (x) = component of a set, only available with set shows the number of components for each model.
  • Page 45 2 hexagon bolts DIN6921 M10x65 8.8 1 hexagon bolt ISO4017 M6x12 8.8A3K 2 washers DIN9021 A6.4 A3K 2 sheet metal screws DIN7981 C ST6,3x25 A3T Table 14 Boiler block and burner door Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 46 1 relief valve 3/4Mx3/4F 30PSI 1 temperature/pressure gauge 1 / 4 NPT 1 Bolt set B-Kit G115"US" 1 adjustable boiler foot M10x51 packed Table 14 Boiler block and burner door Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 47 Parts lists 6 720 813 418-02.1T Fig. 46 Boiler block and burner door Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 48 4 hexagon bolts ISO4017-M8x12-8.8 1 hexagon nut DIN555 M8 5 4 washers DIN126 9 4 washers DIN432 10.5 St A3E 4 hexagon nuts DIN555 M10 5 Table 15 boiler jacket Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 49 Parts lists 7747102154-00-boiler jacket G125 7747102154-00-Verkleidung G125 WS NA Fig. 47 boiler jacket Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 50: Circuit Diagrams

    6) Connect green wire to ground screw on L7248C (the ground connection on Riello Burner). 7) Red wire is not used in this application. *) Canadian installations: Install in series with start wire to the burner (phase). Fig. 48 Circuit diagram 1 Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 51 9) The pink wires from the Carlin “In line heater” may be connected to a constant 120Vac power source or the red/white wire and the white wire in the Carlin 60200 Primary Control. *) Canadian installations: Install in series with start wire to the burner (phase). Fig. 49 Circuit diagram 2 Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 52 7) Install a jumper wire on the T T terminals of the R7184B or 7505B Primary Control. *) Canadian installations: Install in series with start wire to the burner. Fig. 50 Circuit diagram 3 Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 53 Circuit diagrams Fig. 51 Circuit diagram 4 Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 54 Circuit diagrams Fig. 52 Circuit diagram 5 Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 55 Circuit diagrams Fig. 53 Circuit diagram 6 Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 56 8. Install a jumper between TT on Honeywell or Genisys. NOTE: Do not connect a room thermostat or end switch to TT on the Honeywell R7148B or Genisys 7505B control. 6 720 813 418-03.1T Fig. 54 Circuit diagram 7 Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 57 8. The pink wire from the Carlin “in-line heater” may be connected to the red/white wire in the Carlin 60200 control. 6 720 813 418-04.1T Fig. 55 Circuit diagram 8 Logano G115 WS US/CA – 6 720 813 418 (2014/10)
  • Page 58 5. Connect the white wire from the Riello to terminal B2 on control. 6. Connect the green wire from Riello to ground screw on control. 7. Install a jumper between TT on Riello. 6 720 813 418-05.1T Fig. 56 Circuit diagram 9 Logano G115 WS US/CA – 6 720 813 418 (2014/10)

  • Page 59: Index

    ........................HydroStat Wall clearances ............Water quality ............Wet cleaning ..........Installation diagram ..........Installation examples ..........Installation of boiler drain ..........Log, commissioning ........Logs, servicing and maintenance Logano G115 WS US/CA – 6 720 813 418 (2014/10)

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