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Logano G334X Installation And Service Instructions Manual

Gas central heating boilers
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Installation and Service Instructions
Logano G334X
Gas central heating boilers
Read carefully before carrying out installation and maintenance
Gas central heating boilers
WARNING!
Before commissioning the boiler, heed the safety
instructions for installation and maintenance.
WARNING!
If installation, adjustment, modification, operation or
maintenance of the heating system is carried out by an
unqualified person, this may result in a fatal injury or
property damage.
Follow the instructions in this installation and mainte-
nance manual exactly.
If you require assistance or further information, contact a
qualified contractor, a suitable service provider or the gas
supply company.
WARNING!
These instructions are part of the technical documents
that must be handed over to the owner/operator of the
heating system. Discuss the content of this manual with
the owner/operator of the heating system to ensure that
they are familiar with all information required for opera-
tion of the heating system. If the storage tank will be
installed in Massachusetts, it must be installed by an
installer or dealer who is registered there.

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Summary of Contents for Logano G334X

  • Page 1 If the storage tank will be installed in Massachusetts, it must be installed by an installer or dealer who is registered there. Installation and Service Instructions Logano G334X Gas central heating boilers Read carefully before carrying out installation and maintenance...

  • Page 2: Table Of Contents

    ......22 2.8.1 Logano G334X dimensions ..... . . 6 6.4.2 Placing heating system with Logamatic 2107...

  • Page 3: Safety Instructions

    ▶ Call a trained and certified installer or service company. running. ▶ Never shut off safety valves! Risk of fire from soldering and welding When soldering and brazing around combustible and flammable material: ▶ Take appropriate protective measures. Logano G334X – 6 720 811 237 (2014/05)

  • Page 4: Product Description

    Power to the controller and maintenance of this boiler. must be disconnected. The Logano G334X floor-standing gas boiler is generally referred to ▶ Take measures to ensure that the heating system cannot be below as a boiler.

  • Page 5: Notes On Installation And Operation

    1) Available by separate order The boiler casing prevents energy loss and acts as soundproofing. The boiler block transfers the heat generated by the burner to the boiler water. The insulation reduces energy loss. Logano G334X – 6 720 811 237 (2014/05)

  • Page 6: Dimensions And Specifications

    ¾ʺ 1 ½ʺ ⁄ ⁄ 6 720 810 547-02.1T Fig. 2 Connections and dimensions for Logano G334X, dimensions in inches (dimensions in mm) Boiler supply/Storage tank supply Gas connection + main shutoff valve Return safety line/draining Boiler return Boiler size...

  • Page 7: Technical Data

    Buderus for the required conversion components. Do not attempt to restrict the gas flow without the approved Buderus parts and relevant technical documentation for conversion. The technical documentation is included with the conversion components (accessory). Logano G334X – 6 720 811 237 (2014/05)

  • Page 8: Moving The Tank

    When the door is closed, a minimum clearance of 2 inches Fig. 4 Moving the tank (50 mm) is required at the front and sides, a wall clearance of 6 inches Logano G334X – 6 720 811 237 (2014/05)

  • Page 9: Leveling The Boiler

    6 720 810 547-06.1T 6 720 810 547-32.1T Fig. 7 Installing the flue gas collector Logano G334 X Retaining screws on draft diverter Fig. 6 Leveling the boiler (example) Logano G334X – 6 720 811 237 (2014/05)

  • Page 10: Installing The Side Panels And The Front Boiler Jacket

    Heating system with low water indicator Heating system without low water indicator Boiler 6 720 810 547-08.1T Panel radiator Fig. 9 Side panels and front boiler jacket Rear tab Side hook Side panel screws Logano G334X – 6 720 811 237 (2014/05)

  • Page 11: Connect The Central Heating Supply And Return

    ▶ Install the included supply manifold and the 90° elbow. Code, ANSI/NFPA-70. ▶ Do not install the safety valve until the leak test has been completed. The safety valve must be installed in a vertical position. Logano G334X – 6 720 811 237 (2014/05)

  • Page 12: Installation Of Logamatic 2107 Control (Optional Accessories)

    ▶ Press sensor clip (standard delivery of controller) from the side or from above onto the head of the sensor well. ▶ Carefully roll up unnecessary wiring and capillaries and stow in the Logamatic 2107 control. Logano G334X – 6 720 811 237 (2014/05)
  • Page 13 ▶ Slide the cable ties downwards (step 2). ▶ Push against the clips (step 3). Controller Terminal cover ▶ Flip the lever up (step 4). 6 720 615 362-20.1SL Fig. 16 Secure wiring with wiring clip Logano G334X – 6 720 811 237 (2014/05)

  • Page 14: Fuel Gas Supply Connection

    We recommend installing a manual shutoff valve in the main gas pipe to the boiler. ▶ The gas pipes must be fastened outside the boiler. Logano G334X – 6 720 811 237 (2014/05)

  • Page 15: Converting Boiler To Propane

    If the gas supply piping system is pressure-tested at a test pressure of 0.5 psi (34.5 mbar) or less, it is sufficient to disconnect the boiler from the gas supply piping system by closing the shutoff valve. Logano G334X – 6 720 811 237 (2014/05)

  • Page 16: Installing At High Altitudes

    ▶ Install safety valve. ▶ Please consult the local water supply company if there are major differences, such as extremely hard water or a pH value below 7.0. Logano G334X – 6 720 811 237 (2014/05)

  • Page 17: Installing Front Wall Of Boiler

    12 inches (300 mm) from the floor of the boiler room, measured from the outer edge of the vent opening. The smallest dimension of all air intake and outlet openings must be not less than 3 inches (80 mm). Logano G334X – 6 720 811 237 (2014/05)

  • Page 18: Requirements For Connection To Chimneys Or Flue Gas Systems

    A flue pipe of single-walled sheet metal is required for flue connections for type II models. An adequate chimney height in compliance with the tables of the National Fuel Gas Code, ANSI Z 223.1, is required. Logano G334X – 6 720 811 237 (2014/05)

  • Page 19: 5.10.3 Installing The Flue Pipe

    ▶ Place flue gas adapter [3] on the pipe nipples of the draft diverter. ▶ Install pins in the holes provided in the vent damper [1]. ▶ Fasten vent damper to the flue gas adapter with three (3) corrosion- resistant sheet metal screws. Logano G334X – 6 720 811 237 (2014/05)

  • Page 20: 5.10.6 Electrically Connecting The Vent Damper

    Regulations require the complete flue gas Front wall of boiler system to be checked at least once a year by a trained Locking screws and certified installer after installation and initial operation. Logano G334X – 6 720 811 237 (2014/05)

  • Page 21: Start-Up Instructions

    ▶ Contact a qualified and certified service company. NOTICE: Risk of system damage from corrosion! ▶ Do not use the appliance if any part of it has been under water. ▶ Contact a qualified and certified service company. Logano G334X – 6 720 811 237 (2014/05)

  • Page 22: Making Boiler Ready For Operation

    7. Make sure that the room thermostat signals a heat requirement (set thermostat at least 10 °F above room temperature). 6 720 810 547-15.1T Fig. 30 Front view Inspection hole 9. Turn gas valve ON/OFF switch [1] counterclockwise to ON position. Logano G334X – 6 720 811 237 (2014/05)
  • Page 23 Natural gas Propane service technician or gas supply company. Boiler size [inches W.C.] [mbar] [inches W.C.] [mbar] 10.9 10.4 25.9 10.9 10.3 25.7 10.2 10.3 25.7 10.4 10.2 25.4 Table 13 Orifice pressure Logano G334X – 6 720 811 237 (2014/05)
  • Page 24 30. Repeat steps 1 to 11 (depending on the controller used) and step 20. Thus the heating system is started up again. Check the screw plugs [2] and [3] for leaks with soap solution. If no leaks are found, continue with step 31. Logano G334X – 6 720 811 237 (2014/05)

  • Page 25: Shutting Off Gas Supply To Boiler

    ▶ Protect the heating system against frost when temperatures below freezing are expected. ▶ If the main switch or controller is switched off, drain the water from the boiler, the tank and the pipe of the heating system. Logano G334X – 6 720 811 237 (2014/05)

  • Page 26: Commissioning Report

    8501...12000 ft Boiler size (0...2591 m) (2591...3657 m) (0...2591 m) (2591...3657 m) Table 15 Main gas orifice identification 1) Factory setting 2) Use conversion components only as directed by the technical documentation. Logano G334X – 6 720 811 237 (2014/05)

  • Page 27: Shutting Down The Heating System

    ▶ Switch OFF the ON/OFF switch on the controller (0 position). This switches off the boiler with all its components(e. g. burner). ▶ Turn the gas valve ON/OFF knob clockwise to the OFF position. ▶ Heed the Logamatic 2107 documentation ( Shutting down). Logano G334X – 6 720 811 237 (2014/05)

  • Page 28: Environmental Protection / Disposal

    Inspection of the boiler and burner ▶ Perform a visual inspection of the boiler and burner for external dirt accumulation. ▶ If dirt is found, clean boiler and burner. Logano G334X – 6 720 811 237 (2014/05)

  • Page 29: Preparing The Boiler For Cleaning

    If you do not smell gas, proceed to the next them from the switch [5]. step. ▶ Turn the gas valve ON/OFF knob [1] clockwise to the OFF position. Do not use excessive force. Logano G334X – 6 720 811 237 (2014/05)
  • Page 30 To prevent entry of metal dust into the control unit: ▶ Cover controller with foil. ▶ Clean combustion chamber and bottom panel. ▶ Screw cleaning cover into place and replace thermal insulation. ▶ Install boiler casing. Logano G334X – 6 720 811 237 (2014/05)

  • Page 31: Wet Cleaning The Boiler (Chemical Cleaning)

    ▶ Ventilate boiler room well again. ▶ Replace the burner. ▶ Install or clean the burner ( page 31). ▶ Screw cleaning cover into place and replace thermal insulation. ▶ Install boiler casing. Logano G334X – 6 720 811 237 (2014/05)
  • Page 32 ▶ Complete the maintenance log to confirm that all maintenance work has been carried out ( Chapter 9.8, page 35). Sign the maintenance log and familiarize the owner with how the heating system operates. Logano G334X – 6 720 811 237 (2014/05)

  • Page 33: Troubleshooting The G334X

    • If the gas valve does not close, replace gas valve. End of troubleshooting Repeat procedure until heating system operates correctly. Fig. 46 Troubleshooting the G334X Logano G334X – 6 720 811 237 (2014/05)
  • Page 34 Main gas valve closes, automatic ignition starts ignition attempt. Specified thermostat value (control) reached Main and ignition gas valves close, gas burners extinguished, vent damper (if installed) closes. Fig. 47 Troubleshooting the G334X Logano G334X – 6 720 811 237 (2014/05)

  • Page 35: Maintenance Log

    ______________ inches W. C. ______________ inches W. C. ______________ inches W. C. ______________ inches W. C. ______________ inches W. C. ______________ inches W. C. ______________ inches W. C. Table 17 Maintenance log Logano G334X – 6 720 811 237 (2014/05)

  • Page 36: Electrical Circuit Diagrams

    Electrical circuit diagrams Electrical circuit diagrams Fig. 48 Wiring diagram - G334X Logano G334X – 6 720 811 237 (2014/05)
  • Page 37 Electrical circuit diagrams Fig. 49 Wiring diagram - G334X Logano G334X – 6 720 811 237 (2014/05)
  • Page 38 Notes Logano G334X – 6 720 811 237 (2014/05)
  • Page 39 Notes Logano G334X – 6 720 811 237 (2014/05)

Table of Contents