Table of Contents
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6304 0309 – 04/2005 US
Installation and maintenance
instructions
Sealed combustion gas boiler
Logano GA124
CAUTION!
Observe the safety instructions of this
installation and maintenance manual
before placing the boiler in operation.
WARNING!
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, service
provider or the gas company if support
or additional information is required.
CAUTION!
The operating manual is a component
of the technical documentation handed
over to the operator of the heating
system. Discuss the instruction in 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.
Note: Keep this installation and maintenance manual available for future
reference.
Please read carefully prior to installation and maintenance.
For heating engineers
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Summary of Contents for Buderus Logano GA124
- Page 1 6304 0309 – 04/2005 US For heating engineers Installation and maintenance instructions Sealed combustion gas boiler Logano GA124 CAUTION! Observe the safety instructions of this installation and maintenance manual before placing the boiler in operation. WARNING! If installation, adjustment, modification,...
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Page 2: Table Of Contents
........48 We reserve the right to make any changes due to technical Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 3 ..........81 We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 4: Safety
USER NOTE Tip for the optimum utilization and setting of the control(s) plus other useful information. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 5 It is not sufficient just to switch off the control. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 6: Tools, Materials And Accessories
Make sure that there are no flammable WARNING! materials or liquids in the immediate vicinity of the boiler. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 7: Product Description
The insulation prevents 5 Aquastat (control unit) energy loss. 6 Boiler front panel We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 8: Dimensions And Connections
For the size and dimensions of the main gas orifice see Chapter 13, page 80. flowrate in GPM Fig. 3 Pressure gradient We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 9: Scope Of Delivery
Heat circulation pump Cleaning brush Vertical flue system Tab. 3 Accessories Accessories available by separate order We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 10: Moving The Boiler
Secure boiler to cart. Move the boiler to the installation location. Fig. 4 Moving boiler with trolley We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 11: Lifting And Carrying The Boiler
Lift and carry the boiler with at least four CAUTION! people at the designated hand grip positions. Fig. 6 Lifting and carrying the boiler We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 12: Placing The Boiler
Fig. 7 Required clearances in the boiler room 1 Door closed 2 Door open 3 Flue pipe We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 13: Leveling The Boiler
Level boiler horizontally and vertically by screwing the feet in and out. Fig. 8 Unscrewing screw-in feet We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 14: Boiler Installation
Before disposing of packing material, make sure that no parts are still in it. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 15: Heating Circuit Connection
1 Boiler 2 Radiator 3 Heating system with low-water alarm 4 Heating system without low-water alarm We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 16 CAUTION! inches is required between pipes carrying hot water and flammable walls in the boiler room. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 17: Electrical Connection
Check that the heating system functions correctly after any maintenance work. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 18: Installation Of Logamatic 2107 Control (Optional Accessory)
Fig. 11 Removing front panel of boiler We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 19 8. Route boiler water sensor cable through the cable opening and unroll to the required length. Fig. 14 Installation of Logamatic 2107 control We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 20 – Press (step 3). – Move lever up (step 4). Fig. 16 Secure wiring with wiring clip We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 21 Protect the boiler connections from dirt by closing the connections. Fig. 19 Installing rear boiler cover We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 22: Fuel Supply Connection
1/2 psi. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 23 Buderus parts and the relevant technical documentation. The technical documentation is included with the conversion parts (accessories). We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 24: Installation Of Flue System
USER NOTE Consult the local building and fire inspection authority for any restrictions and inspections of heating systems. Comply with the national regulations. Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 25 Fig. 22 Installing flue pipe 1 Wall penetration 2 Flue pipe 3 End piece of flue pipe (t-piece) We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 26 Clearance to combustibles for stainless steel vent pipe clearance enclosed clearance unenclosed horizontal vertical horizontal vertical 8" 4" 1" 1" We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 27 Fire protection collars ( Fig. 25) may need to be installed in existing ceiling penetrations. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 28 Fig. 27 Back view 1 Combustion air line connection 2 Flue gas line We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 29 Check the seams and joints for leaks. Have the complete flue system checked by a technician once a year. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 30 Fig. 30 Adjusting the combustion air baffle 1 Combustion air baffle 2 Adjustment dimension X We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 31 Fig. 32 Horizontal flue system using room air 1 Flue pipe 3" 2 Combustion air inlet from the room We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 32: Filling Heating System And Checking For Leaks
We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 33 If the pressure falls while bleeding, water must be added. Install relief valve ( Fig. 10, page 16). We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 34: Openings For Combustion Air Supply And Venting
(e.g. installation near swimming pools, dry cleaners or hair saloons), operation with air outside the room is recommended. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 35 4. If the openings are connected to ventilation ducts, the ducts must have the same cross-section area as the openings. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 36: Placing The Heating System In Operation
Fig. 35 Removing front panel of boiler We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 37 2 Screw plug for gas supply measuring port 3 Screw plug for manifold measuring port 4 Pilot gas line connection We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 38: Start-Up Instructions
We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 39: Making Boiler Ready For Operation
(set thermostat at least 10 °F above room temperature). Fig. 37 Switching on heating system (with aquastat) 1 ON/OFF switch (main switch) We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 40: Then Carry Out Start-Up Procedures
7. Look at the igniter through the sight glass in the burner housing. Fig. 39 Front view 1 Sight glass We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 41 ( Fig. 40, page 41) into the gas valve again. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 42 Disconnect heating system from the power supply and inform the customer service technician or LP gas company. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 43 With the Logamatic 2107 control only 34. Select AUT (automatic mode) with the mode selection switch. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 44: Shutting Off Gas Supply To Boiler
5. Replace front panel of boiler. Fig. 45 Gas valve 1 ON/OFF button (at ON position) We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 45: Instruct Owner/Operator And Hand Over Technical Documentation
When the main switch or control is switched off, drain the water from the boiler, the tank and the pipes of the heating system. Änderungen aufgrund technischer Verbesserungen vorbehalten! Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de Installation and maintenance instructions Logano GA124 special gas-fired boiler • Ausgabe 04/2005... -
Page 46: Start-Up Protocol
Inform the customer of the correct fuel and enter it in the table ( operating manual of boiler). We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 47: Taking The Boiler Out Of Operation
3. Shut down the heating system with the heater emergency switch or the corresponding circuit- breaker. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 48: Boiler Inspection And Maintenance
3. Check air supply hose for damage and replace if necessary. 4. If dirt is found, clean boiler and burner. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 49: Preparing Boiler For Cleaning
Fig. 48 Gas valve 1 ON/OFF button (at ON position) We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 50: Cleaning The Boiler
1. Disconnect your heating system from the mains electricity supply. 2. Shut off main gas supply valve. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 51 1 Fixing nuts 2 Screws 3 Flame roll-out switch (boiler size 23 and 30) 4 Burner box cover We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 52 In some case you may need use a different procedure from that Fig. 53 Cleaning with brushes described here. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 53 43. Make sure that the fan manifold is completely pushed on to the fan during reassembly. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 54: Cleaning The Burner
Sign the maintenance protocol and discuss it with the owner of the heating system. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 55: Troubleshooting
If there is voltage at L3 and N on plug X3, check wiring to fan motor. If OK: replace fan. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 56 Use MV-MV/PV terminals to check 24 V alternating current at the automatic ignition. If the voltage is correct replace gas fitting, otherwise replace automatic ignition. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 57 If the valve does not close, replace gas fitting. Repeat procedure until heating system operates correctly. End of troubleshooting We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 58 Specified thermostat value (control) reached Main and ignition gas valves close, gas burners go out. Venting fan stops. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 59: Maintenance Protocol
54 materials, gasoline or other corrosive liquids. Confirm maintenance Confirmation of correct maintenance (company stamp, signature) We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 60 W. C inches W. C inches W. C inches W. C ––––––– ––––––– ––––––– ––––––– ––––––– We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 61: Parts Lists
Between end part and supply connection or return connection or plug. At item no. 120: For sealing between floor panel, shield and boiler block. We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 62 Parts lists Fig. 56 Boiler block We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 63 1722 1723 Clip - insulation 476378 Mounting material for boiler jacket 63013095 Tab. 16 Boiler jacket We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 64 Parts lists Fig. 57 Boiler jacket We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 65 232 Gasket set 58.5x66x7.5 63016582 233 Connector Ø 77/75x48 63016450 240 Flue pipe D60x73 with gasket 63011684 We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 66 2 lock washers DIN 6797 A5.3 1 cable clip 2.5x92 - Ty - 23M Tab. 17 Boiler block We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 67 Parts lists (232) 210 185 Fig. 58 Boiler block – attachment parts We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 68 280 Sheet metal screw F ST3.5x9.5 A3K GAW 027 US 63015810 Mounting material for GAW027 US Tab. 18 Switch box We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 69 Parts lists Fig. 59 Switch box We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 70 0845 0846 Glue Elastosil E 41 in 90 ml tube 63011270 Tab. 19 Housing for burner We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 71 Parts lists Fig. 60 Housing for burner We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 72 63015557 ring, screws and gasket Gasket D21x30x3 5959 282 Tab. 20 Fitting group VR 8204 H We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 73 Parts lists Fig. 61 Fitting group VR 8204 H We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 74 Screw CE M4x12 A3K CombiTorx mounting set See burner Screw CE M5x12 A3K CombiTorx mounting set Tab. 21 Ignition burner We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 75 Parts lists Fig. 62 Ignition burner We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 76 Glass pane Tempax 30x30.3.3 mm 5447 620 Burner mounting set GA124 63015551 Tab. 22 Burner grate We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 77 Parts lists Fig. 63 Burner grate We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 78 NG kit. GA124 (G20) 8501-12000 "US/CA" 6303 7810 7811 7811 Tab. 23 Burner types, gas conversion parts We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
- Page 79 Parts lists Fig. 64 Gas burner CE124 We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 80: Specifications
Buderus parts and the relevant technical documentation. The technical documentation is included with the conversion parts (accessories). We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... -
Page 81: Wiring Diagrams
Wiring diagrams 14 Wiring diagrams Fig. 65 Wiring diagram – Model GA124 We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 82 Wiring diagrams Fig. 66 Wiring diagram – Model GA124 We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005...
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Page 83: Wiring Diagrams
Wiring diagrams Fig. 67 Wiring diagram – GA124 with Logamatic 2107 or Logamatic 2109 control We reserve the right to make any changes due to technical modifications. Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005... - Page 84 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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