Buderus Logano GA224 Installation, Operation And Maintenance Manual
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Buderus Logano GA224 Installation, Operation And Maintenance Manual

Sealed combustion hot water
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6302 9646 – 02/2004 US/CA
Installation, Operation and
Maintenance Manual
Sealed Combustion
Hot Water Gas Boiler
Logano GA244
CAUTION!
Before putting the boiler into operation
read this manual carefully.
WARNING !
Improper installation, adjustment,
alteration, service or maintenance can
cause injury, loss of life or property
damage. Refer to this manual. For
assistance or additional information
consult a qualified installer, service
agency or the gas supplier.
CAUTION !
The operating manual is part of the
documentation that is delivered to the
installation's operator. Go through the
information in this manual with the
owner/operator and make sure that he
or she is familiar with all the necessary
operating instructions.
Notice: This manual must be retained for future reference.
Read manual prior to installation and maintenance of the boiler
For Contractors

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  • Page 1 6302 9646 – 02/2004 US/CA For Contractors Installation, Operation and Maintenance Manual Sealed Combustion Hot Water Gas Boiler Logano GA244 CAUTION! Before putting the boiler into operation read this manual carefully. WARNING ! Improper installation, adjustment, alteration, service or maintenance can cause injury, loss of life or property damage.
  • Page 2 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 3: Table Of Contents

    ..........69 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 4: Safety Considerations

    Correct the problem immediately to prevent damage to the system! We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 5: Regulations And Guidelines

    We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 6: Dimensions And Boiler Connections

    Flow Rate in GPM Fig. 2 Pressure drop through the boiler We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 7: Packaging And Components

    Following accessories are available as well: – Cleaning brushes – Vertical wall terminal body We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 8: Installation

    Never lift the boiler on these parts. Fig. 4 Moving the boiler We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 9: Installation Surface Requirements

    Check all packaging materials for missing components before discarding them. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 10: Boiler Water Connections

    Item. 4: system not requiring low water cut off We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 11 For extremely hard water or pH value below 7.0 consult your local water treatment company. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 12: Electrical Supply

    Wiring errors can cause improper and dangerous operation. z Verify proper operation after servicing. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 13: Gas Supply

    .5 psi or less and a pressure drop of .3 inches W.C. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 14: Installation At Higher Elevations

    (Natural gas or LP). Do NOT attempt to Equivalent length in feet derate the appliance without Buderus certified parts and 0.80 instructions. 1.25 1 1/4 2.15 1 1/2 2.50...

  • Page 15: Combustion Air And Ventilation Openings

    Canadian installations must comply with CSA/CGA- boiler. B149.1 and .2 Installation Codes. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 16 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 17: Installation Of The Exhaust And Air Intake System

    We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 18: Installation Of Horizontal Wall Terminal Body

    Item. 2: Exhaust vent pipe Item. 3: Termination tee We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 19 Item. 2: Set screws gravity air inlet into any building. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 20: Installation Of Vertical Venting System

    Item. 3: Support for vent system Item. 4: Condensate drain We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 21: Installation Of Exhaust And Air Intake Piping

    Item. 1: Air intake connection Item. 2: Exhaust connection We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 22 Item. 3: Support bracket of venting system Item. 4: Condensate drain We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 23 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 24 Item. 1: Exhaust vent pipe 3“ Item. 2: Combustion air from room We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 25 Combustion air can be drawn then directly from the boiler room. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 26: Placing The Boiler In Operation

    Item. 6: Pressure test port, burner box valve. Item. 7: Equalizing hose We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 27 Item. 3: Test port screw for manifold pressure measurement Item. 4: Pilot tubing We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 28: Lighting Instructions

    We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 29: Operating Instructions

    3.77 6.15 Table. 11 Required manifold pressure We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 30 15. If the gas control does not function satisfactorily, immediately turn the gas control knob (Fig. 29, We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 31 Records fill in on form found on page 33. 23. Replace the front boiler jacket panel. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 32: Shut Off Of Gas Supply

    “OFF“. Do not force. 5. Replace the front boiler jacket panel. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 33: Start-Up Procedure Chart

    1.95 2.15 2.10 2.20 Table. 12 Main orifice sizes We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 34: Detailed Steps For Start-Up Procedure

    Values for A and B are listed below: Natural gas 0.62 Propane gas 0.53 Table. 13 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 35: Maintenance

    Confirmation of maintenance Confirmation by service provider (Signature) We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 36 ––––––––––––– ––––––––––––– ––––––––––––– ––––––––––––– ––––––––––––– ––––––––––––– ––––––––––––– ––––––––––––– ––––––––––––– We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 37: Maintenance Procedure

    Maintenance should only be performed by a qualified service technician. When replacing parts, use only Buderus authorized components. Maintenance should be done on a yearly basis. Results of the inspection must be recorded on the form provided on page 35.
  • Page 38 Gas control valve Item. 1: Gas valve knob (set to “ON“) We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 39 Item. 2: Union Item. 3: Gas burner tray assembly We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 40 Item. 3: Screws Item. 4: Sheet metal blower base We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 41 Fig. 37 Spray cleaning of the boiler * Cleaning accessories= please order separate. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 42 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 43 34. Item. 9: Gas control module Item. 10: Aquastat We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 44 Sign the maintenance record and hand it to the owner/operator of the boiler. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 45: Trouble Shooting Guide

    If 120 V is present between terminals L3 and N of plug X3, check wiring of the fan blower. If wiring is fine: replace fan blower We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 46 Check for 24 V across MV-MV/PV terminals on module. If voltage is fine, replace gas control. If not, replace module. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 47 Repeat procedure until troublefree operation is obtained. Troubleshooting ends We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 48 Main and pilot valve close, burners shut off. Fan motor is shut off. We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 49: Parts List

    Parts List 13 Parts List The following parts are directly available from Buderus Hydronic Systems, Inc. Please use the listed description and part number when ordering replacement components. Boiler block (Fig. 40) Model 37 Model 44 Model 53 Model 62 Item.
  • Page 50 Parts List 1021933-02-Kesselblock GA244 "US/CA" Fig. 40 Boiler block We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 51 Mounting material for boiler jacket 63025389 Table 15 Boiler jacket We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 52 Parts List 1021934-02-Verkleidung GA244 "US/CA" Fig. 41 Boiler jacket panels We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 53 Pressure measuring orifice 394537 Table 16 Measuring line set We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 54 Parts List Fig. 42 Measuring line set We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 55 Sheet metal screw DIN7981 F ST3,5x9,5A3K see mounting-material for GAW027/GAW028 „US“ We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 56 280 Sheet metal screw DIN7981 F ST3,5x9,5A3K Tab. 17 Control panel GAW028 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 57 Parts List Fig. 43 Control panel GAW028 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 58 1270 1270 1270 1270 Table 18 Burner tray assembly We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 59 1021797-01-Gehäuse für Brenner CE244 "US" Fig. 44 Burner tray assembly We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 60 100 Screw 8x32x11/4 A3T Gas valve VR8304 Table 19 Gas valve VR8304 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 61 Parts List Fig. 45 Gas valve VR8304 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 62 5823 5823 Table 20 Pilot burner, pilot gas line We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 63 Parts List Fig. 46 Pilot burner, pilot gas line We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 64 5802 5803 5804 5804 Table 21 Burner tray assembly We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 65 1021794-01-Burner bar assembly CE244 "US" Fig. 47 Burner tray assembly We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 66 The boiler must be derated for installations above 2000 ft. The derate is accomplished by changing the main burner orifices. Contact Buderus in this case to obtain the suitable high elevation conversion kit. Types of Burners, Conversion Kits (Fig. 48)
  • Page 67 The rating label is placed on the left side of the burner box. Fig. 48 Burner tray assembly, Gas conversion kits We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 68: Orifice Tables For High Elevations And Propane

    Main orifice 2,20 mm 63030241 Main orifice 3,25 mm 63029147 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...

  • Page 69: Wiring Diagrams

    15 Wiring diagrams Fig. 49 Wiring diagram– GA244 model We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 70 Wiring diagrams Fig. 50 Wiring diagram– GA244 model We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 71 Wiring diagram – GA244 with control panel Logamatic 2107 or Logamatic 2109 We reserve the right to make any changes due to technical modifications! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004...
  • Page 72 Heating Contractor: PRODUCTS MANUFACTURED BY BBT Thermotechnik GmbH 35573 Wetzlar www.buderus.de BBT North America Corporation 50 Wentworth Avenue Londonderry, NH 03053 Tel: 603-552-1100 ● Fax: 603-584-1681 www.buderus.net BBT North America Corporation reserves the right to make changes without notice due to continuing engineering and technological advances.

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