Buderus Logano G124X II/SP Installation And Maintenance Instructions Manual Download Page 58

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Installation and maintenance instructions Logano G124X II/SP special gas-fired boiler • Issue 04/2005

We reserve the right to make any changes due to technical modifications.

Parts lists

Fig. 51

Boiler block – attachment parts

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Summary of Contents for Logano G124X II/SP

Page 1: ...t 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 instruct...

Page 2: ...Connecting the heating system 14 7 3 Electrical connection 16 7 4 Installation of Logamatic 2107 control accessory 17 7 5 Fuel supply connection 21 7 6 Filling heating system and checking for leaks 23 8 Check openings for combustion air supply and venting 24 9 Requirements for connection to chimneys or venting systems 25 10 Flue pipe installation 26 11 Placing the heating system in operation 28 11...

Page 3: ...s regular maintenance important 44 13 2 Testing the flue system including combustion air air inlets and ventilation openings 44 13 3 Inspection of the boiler and burner 44 13 4 Preparing boiler for cleaning 44 13 5 Cleaning the boiler 45 13 6 Cleaning the burner 48 13 7 Troubleshooting on the G124X II 49 13 8 Troubleshooting on the G124X SP 51 13 9 Maintenance protocol 53 14 Parts lists 55 15 Spec...

Page 4: ...n Code for Gas Burning Appliances and Equipment must be observed If specified by the local regulatory authorities the heating system must comply with the regulations of the Standard for Controls and Safety Devices for Automatically Fired Boilers ANSI ASME CSD 1 Carbon monoxide detoectors must be installed as specified by the local regulations The boiler must be serviced annually Î Chapter 13 page ...

Page 5: ...d operation of the heating system as applicable in your country WARNING RISK TO LIFE from electric shock z Disconnect the power supply to the heating system before conducting any work on it e g switch off the heating emergency switch outside the boiler room z It is not sufficient just to switch off the control CAUTION SYSTEM DAMAGE due to unsatisfactory cleaning and maintenance z Clean and service...

Page 6: ...shion WARNING RISK TO LIFE by poisoning When working on the flue gas monitoring equipment leaking flue gas may endanger the lives of people z Do not attempt to repair the flue gas temperature sensor z Use only original parts when replacing parts z When replacing the flue gas temperature sensor install the new one in the specified position WARNING RISK TO LIFE by poisoning by leaking flue gas If th...

Page 7: ... components of the boiler The boiler jacket prevents energy loss and acts as soundproofing The boiler block transfers the heat generated by the burner to the heater water The insulation prevents energy loss Fig 1 Logano G124X II boiler 1 Boiler front panel 2 Logamatic 2107 control accessory 3 Ignition Module 4 Aquastat control unit 5 Boiler jacket 6 Boiler block with insulation 7 Burner 7 1 6 4 5 ...

Page 8: ... 8 Vent 2 3 1 2 5 22 23 2 3 33 1 3 38 1 2 37 Connections measurements see the following tables VK Boiler supply RK Boiler return EL Drain GAS Gas connection Boiler size Boiler output A Flueconnection II SP Min overflow valve capacity Number of Nozzles Water volume Empty weight MBtu hr Inches Inches lb hr Qty US gal lbs 18 74 29 2 5 5 62 2 2 4 229 25 103 30 1 5 5 86 3 2 9 240 32 132 5 30 7 8 6 110 ...

Page 9: ...ery for completeness Component Qty Packaging Boiler complete 1 1 pallet B kit components supply manifold 30 psi relief valve boiler drain pressure temperature gauge 90 elbow 1 NPT 90 elbow NPT screw in feet 4 1 1 foil package1 Technical documents 1 foil package Tab 2 Scope of delivery 1 On pallet Accessories1 Unit Logamatic 2107 control 1 Heat circulation pump 1 Cleaning brush 1 Vertical flue syst...

Page 10: ...m the pallet z Lift the boiler at the sides and slide to the edge of the pallet Place a pipe under the boiler and roll it on additional pipes to the installation location z Place the boiler in its final position CAUTION SYSTEM DAMAGE due to bumps z Check the transport diagrams on the packaging to protect the sensitive components from damage by bumping USER NOTE z Protect the boiler connections fro...

Page 11: ...tions Logano G124X II SP special gas fired boiler Issue 04 2005 5 2 Lifting and carrying the boiler The boiler can be picked up at the hand grips shown Fig 7 Lifting and carrying the boiler CAUTION RISK OF INJURY due to carrying heavy loads z Lift and carry the boiler with at least four people at the designated hand grip positions ...

Page 12: ...intenance When the door is closed a minimum clearance of 2 inches is required at the front and sides 2 inches clearance is also required for the flue pipe and 30 inches clearance to the ceiling The installation location and the base must be smooth and horizontal The boiler may be installed on a flammable base but not on carpet 6 2 Leveling the boiler z Screw the four rubber feet 0 25 to 1 0 inches...

Page 13: ...ng tasks Connecting the heating system Electrical connection Fuel supply connection 7 1 Preparing for installation z Unpack all boxes and containers and check all parts against the packing lists to make sure that everything has been supplied USER NOTE Every boiler is carefully inspected and tested before it leaves the factory However if you discover any damage or missing parts please inform the su...

Page 14: ... to overheating as a result of low water z Note that a boiler installed above the level of the heating system must be fitted with a low water cutoff The low water cutoff must be installed during installation of the boiler Î Fig 10 CAUTION SYSTEM DAMAGE due to high temperature variations in the heating system z If the boiler is operated in connection with a refrigeration system make sure that the p...

Page 15: ...emperature gauge 2 Supply manifold 3 Relief valve 3 4 4 90 3 4 elbow 5 90 1 NPT elbow 6 Boiler supply VK 7 B kit rotated 90 right 1 2 3 4 5 6 7 USER NOTE Install the relief valve after the leak test Î Chapter 7 6 page 23 The relief valve must be installed in a vertical position The relief valve must also be installed in accordance with the requirements of the ANSI ASME Boiler and Pressure Vessel C...

Page 16: ...ode Part 1 must be observed The boiler must be grounded as specified by the regulations of the relevant local authorities otherwise follow the regulations of the National Electrical Code ANSI NFPA 70 Install an ON OFF switch near the boiler z Check that the heating system functions correctly after any maintenance work USER NOTE When making the electrical connections follow the circuit diagrams on ...

Page 17: ...the side panels lift front panel up pull down and remove to the front 2 Unscrew the two fastening screws on the back boiler jacket Lift the back boiler jacket and remove to the back USER NOTE Note the following when making electrical connections z Lay out cables and capillaries carefully z Do not bend the capillaries during installation z Never carry out any electrical work on the heating system u...

Page 18: ...control into the oval openings 4 Slide control toward the boiler front panel 5 Push to snap plastic tabs of the control into the knock outs 6 Remove top cover of control Remove screws from the top cover 7 Fasten control with sheet metal screws 8 Route boiler water sensor cable through the cable opening and unroll to the required length Fig 14 Removing terminal cover Fig 15 Installation of Logamati...

Page 19: ...l up unnecessary wiring and capillaries and stow in the Logamatic 2107 control Power connection and connections of additional components Connect to the power supply as specified by the local code 14 Route all wiring to the control through the wiring opening and connect as specified by the circuit diagram Install strain relief Secure all wiring with wiring clips included with control Insert wiring ...

Page 20: ...ew to control 17 Slide tabs of rear boiler cover under the front boiler cover and press down at back 18 Screw rear boiler cover to rear panel of boiler Fig 18 Swivel display unit USER NOTE We recommend positioning the display unit straight on combinations with an L tank Fig 19 Positioning terminal cover Fig 20 Installing rear boiler cover CAUTION SYSTEM DAMAGE due to dirt If the boiler is assemble...

Page 21: ... per hour based on a specific gas weight of 0 60 and a gas pressure of 0 5 psi or less and a pressure rise corresponding to a water column of 0 3 inches Tab 5 Equivalent lengths for pipe fittings Disconnect the boiler with the gas shut off rom the gas supply pipe system the system is pressure tested with a test pressure greater than 1 2 psi Fig 21 Pipe connection to gas fittings back view 1 Gas su...

Page 22: ...convert the boiler to propane please contact Buderus for the required conversion components Do not attempt to convert the boiler without the approved Buderus parts and the relevant technical documentation The technical documentation is included with the conversion parts 7 5 2 Installation at high altitudes The boiler is designed for installation at altitudes below 8500 feet above sea level The boi...

Page 23: ...w the air to escape z Slowly fill heating system Observe pressure display on pressure gauge during this process z Check connections and pipes for leaks z Bleed heating system through the bleed valves on the radiators z If the pressure falls while bleeding water must be added z Install relief valve Î Fig 11 page 15 Fig 22 Temperature pressure gauge USER NOTE Have the water analyzed before filling t...

Page 24: ...rough ventilation ducts to the outside or to rooms that have an unobstructed connection to the outside crawl space or attic The shortest dimension of all inlet and outlet openings must not be less than three inches 1 If there is a direct connection to the outside each opening must have a minimum cross section of one square inch per 4000 Btu h of the total combustion output of all gas fired applian...

Page 25: ...ry out these steps with every heating system that remains connected to the venting system when the boiler is separated from a common venting system Every heating system must be started in operation and the other heating systems must remain switched off A All unused openings of the common system must be sealed B Inspect the venting system to ensure that it has the correct dimensions and longitudina...

Page 26: ...of the back flow check with three 3 corrosion resistant sheet metal screws Connecting flue pipe 4 Connect flue pipe to the chimney with the shortest possible length of flue pipe Use only flue pipes with a suitable diameter for the boiler Every horizontal section of the flue pipe must have a minimum rise of 1 4 inch per foot towards the chimney The flue pipe must be securely fastened to prevent it ...

Page 27: ...tion and the jacket to the aquastat on the front of the boiler 7 Connect vent damper to the terminal plug on aquastat as shown in the circuit diagram Fig 24 Connecting vent damper G124X II left G124X SP right 1 Terminal plug on aquastat 2 Aquastat 1 2 1 2 USER NOTE All connection points on the complete venting system must be checked for correct installation and sealing immediately after carrying o...

Page 28: ...indicators 1 Set the room thermostats to the lowest setting 2 Inspect flue and combustion air piping and the openings for combustion air supply and ventilation 3 Fill heating system with water and bleed the complete system including the radiators 4 Unscrew left and right screws in the side panels lift front panel up pull down and remove to the front WARNING RISK TO LIFE due to electrical current w...

Page 29: ...gas supply pressure 9 Remove the screw plug for the manifold pressure measuring port on the gas valve Install pressure measuring nipple and attach a manometer to measure the manifold pressure 10 Open gas shut off and measure the supply pressure of the boiler The supply pressure for natural gas must be between 4 7 and 10 5 W C and between 11 and 13 W C for propane gas If the supply pressure for nat...

Page 30: ...tch on the gas valve by hand do not attempt to repair it Contact a qualified technician Any attempt to use force or to repair the switch may cause a fire or explosion D Do not operate the unit if any part is under water Contact a qualified customer service technician immediately to have the unit checked and to replace the parts of the control and gas valve that were under water WARNING RISK TO LIF...

Page 31: ... level If there is a gas odor STOP Follow instructions in section B of the safety instructions on Î page 28 of this manual If there is no sign of a gas odor continue with the next step 2 Open main gas shut off 11 2 1 Placing heating system with aquastat control in operation The boiler is fully functional with the factory installed aquastat 3 Turn on ON OFF switch contractor installed ON position T...

Page 32: ...e sure that heat is required at the control Select Manual operation hand symbol with the mode selector switch 6 Turn on ON OFF switch I position Then continue with step 7 G124X II or step 35 page 36 G124X SP 11 3 Conducting final commissioning for G124X II boiler The final commissioning for the G124X SP boiler is described in Î Chapter 11 4 page 36 The following start up procedures must be carried...

Page 33: ...rol in use 12 Check the supply gas pressure while the boiler is operating The supply pressure must be between 4 7 and 10 5 W C for natural gas and between 11 and 13 W C for propane gas Record the measured values in the commissioning protocol in the installation and maintenance instructions 12b Shut off main gas supply Install manometer on manifold to measure manifold pressure Open shut off valve t...

Page 34: ...is too weak or is yellow or goes out turn the ON OFF switch Î Fig 30 page 33 on the gas fitting clockwise to OFF Close the gas valve and disconnect the heating system from the power supply and contact the customer service technician or the gas company Checking flame sensor 21 Test the safety switch by closing the gas shut off The main burner flame Î Fig 32 and the ignition flame Î Fig 31 are extin...

Page 35: ...rew plugs for leaks with soap solution If no leaks are found continue with step 31 If leaks are found close gas shut off and switch ON OFF button on gas valve clockwise to the OFF position Disconnect the heating system from the power supply 30 Seal leaks Open gas shut off and repeat step 24 31 Carefully wipe away the soap solution to prevent corrosion caused by the alkali content of the soap 32 Ch...

Page 36: ...holder and a burning match through the sight glass in the burner housing 39 When the pilot burner is burning continue to hold the red reset button for about a minute 40 Release red reset button The red reset button must pop up and the pilot burner must continue burning If the pilot burner goes out switch ON OFF switch on gas valve clockwise to OFF and repeat steps 1 and 2 regardless of the control...

Page 37: ...l element 3 8 to 1 2 inch If this is the case continue with step 48 45 If the pilot flame is too small or too large the pressure for the pilot burner must be adjusted with the corresponding adjustment screw 46 Remove safety screw for pilot burner pressure setting Î Fig 37 page 38 Turn the inner adjustment screw clockwise to reduce the pilot flame and counterclockwise to enlarge the pilot flame WAR...

Page 38: ... with step 54 If leaks have been found switch ON OFF switch on gas valve Î Fig 37 clockwise to the OFF position Disconnect the heating system from the power supply 53 Seal leaks Repeat steps 35 to 52 54 Check manifold pressure The manifold pressure must be set in accordance with the values in Î Tab 8 To set the manifold pressure the safety screw for setting the manifold pressure on the gas valve m...

Page 39: ...nician or LP gas company If no gas flows continue with step 62 62 Turn gas valve ON OFF button clockwise to OFF position 63 Close main gas shut off 64 Disconnect the heating system from the power supply 65 Remove pressure measuring nipple and pressure gauge for measuring gas supply pressure and manifold pressure from the gas valve and close the openings with the screw plugs 66 Repeat steps 1 to 6 ...

Page 40: ...1 11 5 Shutting off gas supply to boiler 1 Set thermostat to the lowest value 2 Disconnect heating system from the power supply before carrying out maintenance work 3 Remove front panel of boiler 4 Turn gas valve ON OFF button clockwise to OFF position Do not use force 5 Replace front panel of boiler Fig 39 Remove front panel of boiler Fig 40 Gas valve G124X II left G124X SP right 1 ON OFF button ...

Page 41: ...peration of the complete heating system and the operating instructions for the boiler Together with the owner sign the protocol on Î page 42 and hand over the technical documentation CAUTION SYSTEM DAMAGE due to frost The heating system may freeze in frosty weather if it is not switched on with the main switch or control z Protect the heating system from freezing when there is a danger of frost z ...

Page 42: ... convert gas type if necessary 4 Fill boiler with water and bleed complete heating system 5 Measure gas supply pressure flow pressure inches W C 6 Measure manifold pressure and adjust if necessary inches W C 7 Leak check in operating status check ignition and main burner flame and correct functioning of the venting system 8 Check maximum aquastat 9 Install front boiler panel 10 Inform operator han...

Page 43: ...ponents e g burner 4 Shut off main fuel supply 12 2 Emergency shut down Inform your customer of the procedure in case of emergency such as a fire 1 Never put yourself at risk Your own safety must always take priority 2 Shut off main fuel supply valve 3 Shut down the heating system with the heater emergency switch or the corresponding circuit breaker Fig 41 Shutting down heating system with aquasta...

Page 44: ...in the protocol at Î page 53 13 2 Testing the flue system including combustion air air inlets and ventilation openings Check the venting system including the combustion air inlet and outlet openings All faults must be repaired immediately Make sure that the combustion air feed and the inlets and outlets are not blocked at any point 13 3 Inspection of the boiler and burner 1 Visually check the boil...

Page 45: ... position 1 1 WARNING RISK TO LIFE from explosion of flammable gases z Wait five 5 minutes until all gas residues have dissipated Check whether there is any smell of gas including at floor level If there is a gas odor STOP Follow instructions in section B of the safety instructions on Î page 30 of this manual If there is no sign of a gas odor continue with the next step WARNING RISK TO LIFE from e...

Page 46: ... between gas valve and burner Place the gas supply pipe gasket in a safe place 8 Label wires of flame roll out switch and disconnect from the switch 9 Unscrew nuts and remove burner Fig 44 Front view G124X II left G124X SP right 1 Flame roll out switch 2 Wires for flame roll out switch 3 Gas supply pipe 4 Pilot gas line 5 Ignition cable G124X II only or thermocouple G124X SP only 6 Gas valve 7 Gas...

Page 47: ...edure as described for cleaning with brushes Î Chapter 13 5 1 page 45 17 Cover control with foil to prevent entry of spray into the control 18 Ventilate boiler room well 19 Spray flue gas vents evenly with the cleaning agent 20 Replace and install the burner in reverse order of removal and disassembly Î page 45 21 Place the heating system in operation 22 Heat the boiler water to a temperature of a...

Page 48: ...Assemble and install the burner in reverse order of removal and disassembly Î page 45 11 Place boiler in operation as directed in Î Chapter 11 Placing the heating system in operation page 28 to page 42 12 Check operation of aquastat 13 Test low water cut off if installed 14 Check area around boiler for hazards The area around the boiler must be free from flammable substances gasoline or any other ...

Page 49: ...rrectly when checked Check that the ignition flame surrounds the electrode and burns evenly with a bluish flame If OK replace pilot assembly If everything is OK replace ignition module No Heat requirement ended system switches off vent damper closes End of troubleshooting Repeat procedure until heating system operates correctly On models with vent damper check that it operates and Limit switches a...

Page 50: ...enoid valve opens Main burner operation ignition module monitors pilot flame Specified thermostat value control reached Main and ignition gas valves close gas burners extinguished Vent Damper if installed closes Pilot burner operation Pilot flame burns ignition module signals steady pilot flame or ignition flame does not burn ignition module starts ignition attempt switches off after 90 seconds EN...

Page 51: ...ot blocked Start Set gas valve ON OFF button clockwise to OFF position Close main gas valve Set thermostat control to heat requirement vent damper opens Switch on power Set gas valve ON OFF button counterclockwise to PILOT position Open main gas valve Press red reset button and ignite ignition flame Hold down red reset button for one minute and then release Ignition flame is burning Check electric...

Page 52: ... element monitors pilot flame pilot flame generates voltage in thermal element and keeps ignition valve open Main burner operation thermocouple controls ignition flame Specified thermostat value control reached Main valve closes gas burner switches off Ignition flame is burning END Start Main burner operating Power interruption System switches off Does the system restart when power is restored Roo...

Page 53: ...ncluding combustion air inlet and outlet openings page 44 2 Inspection of boiler page 44 3 Inspection of burner page 44 4 Cleaning boiler page 45 5 Cleaning burner page 48 6 Measuring gas supply pressure page 29 inches W C inches W C 7 Measuring manifold pressure page 33 page 38 inches W C inches W C 8 Checking for leaks in operating condition page 29 9 Checking pilot and main burner flame page 34...

Page 54: ...gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Boiler inspection and maintenance 13 Date Date Date Date Date inches W C inches W C inches W C inches W C inches W C inches W C inches W C inches W C inches W C inches W C ...

Page 55: ... article number Model 18 Quantity model Model 25 Quantity model Model 32 Quantity model 10 Front panel complete G124 X 63029202 1 1 1 20 Logano G124 name plate 67902838 1 1 1 30 Side panel left right G124X 63029217 2 2 2 40 Cable holder 07060754 1 1 1 50 Cover front G124X 63035780 1 1 1 60 Cover rear 365 mm wide 63029222 1 1 1 70 Angle 3x30 20x463 complete 63012813 1 1 1 80 Rear panel complete G12...

Page 56: ...no G124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 14 Fig 50 Boiler jacket G 124 X Buderus 110 90 120 60 80 100 70 20 10 50 30 110 110 110 110 110 40 110 30 110 130 ...

Page 57: ...iler rail rear 63039580 1 1 1 50 Washer see Mounting material boiler block 2 2 2 60 Hex screw M8x16 see Mounting material boiler block 4 4 4 70 Leveling legs M10x51mm 05871596 4 4 4 80 Insulation for base group 05078 302 304 306 90 Spacer 05176794 4 4 4 100 Distance pin M8x63 5 00475485 1 1 1 110 Hex nut M10 see Mounting material boiler block 2 2 2 120 Snap nut 4 8 SNU2012 see Mounting material bo...

Page 58: ...ed boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 14 Fig 51 Boiler block attachment parts 180 162 130 160 161 130 14 10 120 140 15 14 14 15 150 200 12 100 220 210 110 110 30 50 60 120 170 70 14 80 70 50 60 20 90 12 12 13 11 ...

Page 59: ...in Relief see M kit no 1 2 2 2 60 Screw F ST3 5x9 5 A3K see M kit no 1 2 2 2 70 Wiring Harness 05182064 2 2 2 80 Strain Relief Bracket for blocked vent switch see M kit no 1 1 1 1 90 Strain Relief see M kit no 1 1 1 1 100 Wiring Harness 00920137 1 1 1 110 Cable orange black 07079806 1 1 1 120 Ignition Control 05493087 1 1 1 130 Screw flathead 3 5x9 5 A3K see M kit no 1 5 5 5 140 Aquastat 05996360 ...

Page 60: ...pecial gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 14 Fig 52 Control panel assembly for G124X II Honeywell 190 90 40 60 50 30 80 20 70 70 10 150 160 130 150 170 130 140 120 110 180 100 200 210 210 ...

Page 61: ...p see M kit no 1 1 1 1 40 Screw C ST3 5x16 A3K see M kit no 1 2 2 2 50 Strain Relief see M kit no 1 2 2 2 60 Screw F ST3 5x9 5 A3K see M kit no 1 2 2 2 70 Wiring Harness 05182064 2 2 2 80 Strain Relief Bracket for blocked vent switch see M kit no 1 1 1 1 90 Strain Relief see M kit no 1 1 1 1 100 Cable Harness 63015948 1 1 1 110 Aquastat 05996360 1 1 1 120 Screw F ST3 5x6 5 A3K see M kit no 1 3 3 3...

Page 62: ...124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 14 Fig 53 Control panel assembly for G124X SP Honeywell 80 150 70 70 120 10 90 40 30 120 160 170 130 140 100 50 60 110 20 ...

Page 63: ...nly for G124X SP 05176863 1 1 1 Mounting kit no 2 for G124X II 05181 883 1 1 1 Mounting kit no 2 for G124X SP 05176 996 1 1 1 90 Manifold Assembly NG 8500 ft AE124X II 05272 514 516 518 100 Manifold Assembly NG 8500 ft AE124X SP 05272 570 572 574 USER NOTE The complete burner is supplied only in the model for natural gas G20 for 0 8500 feet If a different model of burner is wanted the correspondin...

Page 64: ...nstructions Logano G124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 14 Fig 54 Manifold component parts 10 10 80 30 40 50 20 62 61 60 70 90 100 A A 31 ...

Page 65: ...ue 04 2005 Tab 16 Gas union for G124X II Gas union for G124X II Î Fig 55 Item no Description Buderus article number Model 18 Quantity model Model 25 Quantity model Model 32 Quantity model 10 Gas Supply Pipe Assy 151 mm incl O ring 05176736 1 1 10 Gas Supply Pipe Assy 241 mm incl O ring 05176737 1 20 Gas Control for Natural Gas 00475825 1 1 1 30 Gas Pipe for union 00905239 1 1 1 ...

Page 66: ...nstructions Logano G124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 14 Fig 55 Gas union for G124X II 30 10 see Fig 56 20 sealed with RECTOR SEAL No 5 ...

Page 67: ...ue 04 2005 Gas union for G124X SP Î Fig 56 Item no Description Buderus article number Model 18 Quantity model Model 25 Quantity model Model 32 Quantity model 10 Gas Supply Pipe Assy 151 mm incl O ring 05176736 1 1 10 Gas Supply Pipe Assy 241 mm incl O ring 05176737 1 20 Gas Control for Natural Gas 05181446 1 1 1 30 Gas Pipe for union 00905239 1 1 1 Tab 17 Gas union for G124X SP ...

Page 68: ...nstructions Logano G124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 14 Fig 56 Gas union for G124X SP 30 10 see Fig 56 sealed with RECTOR SEAL No 5 20 ...

Page 69: ...l Model 25 Quantity model Model 32 Quantity model 10 Hex screw 10x32x3 16 ST see M kit no 2 1 1 1 20 Pilot burner Q3451E 05181443 1 1 1 30 Pilot orifice natural gas BCR20 05181648 1 1 1 30 Pilot orifice propane gas BCR12 05176998 1 1 1 40 Mounting for pilot line 05181672 1 1 1 50 Pilot bracket see M kit no 2 1 1 1 60 Pilot line 05181 920 920 922 70 Screw M5x8 A3K see M kit no 2 1 1 1 80 Screw M4x1...

Page 70: ...enance instructions Logano G124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 14 Fig 57 Pilot burner for G124X II 10 50 60 70 80 30 40 70 80 20 ...

Page 71: ...ntity model Model 32 Quantity model 10 Hex screw 10x32x3 16 ST see M kit no 2 2 2 2 20 Pilot bracket 05181451 1 1 1 30 Pilot burner Q350 05181314 1 1 1 40 Pilot orifice natural gas CAR12 05181016 1 1 1 40 Pilot orifice propane gas GAF8 05181017 1 1 1 50 Mounting for pilot line 05181672 1 1 1 60 Pilot line 05181 924 924 926 70 Thermocouple Q309 05176988 1 1 1 80 Screw M5x8 A3K see M kit no 2 1 1 1 ...

Page 72: ...tenance instructions Logano G124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 14 Fig 58 Pilot burner for G124X SP 80 90 10 30 40 50 60 70 20 ...

Page 73: ...Main gas orifice identification for altitudes feet Rated manifold pressure in W C 0 8500 ft1 8501 12000 ft2 18 2 285 280 3 6 25 3 275 270 3 5 32 4 270 265 3 6 Tab 20 Main gas orifice identification and rated manifold pressure for natural gas orifice Boiler size Number of nozzles Main gas orifice identification for altitudes feet Rated manifold pressure in W C 0 8500 ft1 8501 12000 ft2 18 2 180 175...

Page 74: ...aintenance instructions Logano G124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Wiring diagrams 16 16 Wiring diagrams Fig 59 Wiring diagram G124X II ...

Page 75: ...rams 16 75 We reserve the right to make any changes due to technical modifications Installation and maintenance instructions Logano G124X II SP special gas fired boiler Issue 04 2005 Fig 60 Wiring diagram G124X SP ...

Page 76: ... Logano G124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Wiring diagrams 16 Fig 61 Wiring diagram G124X II with vent damper Fig 62 Wiring diagram G124X SP with vent damper ...

Page 77: ... reserve the right to make any changes due to technical modifications Installation and maintenance instructions Logano G124X II SP special gas fired boiler Issue 04 2005 Fig 63 Wiring diagram G124X II SP with Logamatic control ...

Page 78: ...nstructions Logano G124X II SP special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Wiring diagrams 16 Fig 64 Wiring diagram G124X II SP with Logamatic control with DHW circuit ...

Page 79: ...Note 79 We reserve the right to make any changes due to technical modifications Installation and maintenance instructions Logano G124X II SP special gas fired boiler Issue 04 2005 ...

Page 80: ...Your local heating contractor BBT North America Inc 50 Wentwort Avenue NH 03053 Londonderry Tel 603 552 1100 Fax 603 421 2719 Toll Free 1 800 BUDERUS www buderus net ...

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