Buderus Logano GA124 Installation And Maintenance Instructions Manual Download Page 67

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Parts lists

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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Summary of Contents for Logano GA124

Page 1: ... 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 in...

Page 2: ...nnection 15 7 3 Electrical connection 17 7 4 Installation of Logamatic 2107 control optional accessory 18 7 5 Fuel supply connection 22 7 6 Installation of flue system 24 7 7 Filling heating system and checking for leaks 32 8 Openings for combustion air supply and venting 34 9 Placing the heating system in operation 36 9 1 Start up instructions 38 9 2 Making boiler ready for operation 39 9 3 Then ...

Page 3: ...nstructions Logano GA124 special gas fired boiler Issue 04 2005 11 3 Inspection of the boiler and burner 48 11 4 Preparing boiler for cleaning 49 11 5 Cleaning the boiler 50 11 6 Cleaning the burner 54 11 7 Troubleshooting 55 11 8 Maintenance protocol 59 12 Parts lists 61 13 Specifications 80 14 Wiring diagrams 81 ...

Page 4: ...s 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 detectors must be installed as specified by the local regulations The boiler must be serviced annually see Chapter 11 Boiler inspection and maintenance pa...

Page 5: ...ding CAUTION SYSTEM DAMAGE due to incorrect installation z Observe all current standards and guidelines applicable to the installation and 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 ...

Page 6: ... inlets and outlets are not reduced in size or closed z If faults are not corrected immediately the boiler must not be operated z Inform the system operator of the fault and the danger in writing 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 ...

Page 7: ...Burner The control monitors and controls all electrical 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 GA124 boiler 1 Burner 2 Boiler jacket 3 Boiler block with insulation 4 Logamatic 2107 control optional 5 Aquastat control uni...

Page 8: ...nections measurements see the following tables VK Boiler supply 1 RK Boiler return 1 EL Drain 1 2 GAS Gas connection 1 2 Boiler size Boiler output Combustion air connection Flue gas connecti on A B Min overflow valve cap Number of orifices Water volume Empty weight MBtu hr Inches Inches Inches Inches lb hr Qty US gal lbs 17 59 3 3 7 1 5 3 1 10 62 2 2 4 229 23 79 3 3 8 6 2 3 86 3 2 9 240 30 104 3 3...

Page 9: ...ackaging Boiler complete 1 1 pallet B kit components supply manifold 1 1 foil package1 30 psi relief valve temperature pressure gauge 90 elbow 1 NPT 90 elbow 3 4 NPT boiler drain 3 4 screw in feet 4 M10x51 wall penetration for horizontal flue system 1 separate packaging unit technical documents 1 1 foil package Tab 2 Scope of delivery Optional Accessories1 Unit Logamatic 2107 control 1 Heat circul...

Page 10: ...e boiler z Secure boiler to cart z Move the boiler to the installation location 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 from dirt if the boiler is not installed immediately USER NOTE Dispose of the packaging material in an environmentally compatible fashi...

Page 11: ...e 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 5 2 Lifting and carrying the boiler The boiler can be picked up at the hand grips shown Fig 5 Moving the boiler Fig 6 Lifting and carrying the boiler CAUTION RISK OF INJURY due to carrying heavy loads z Lift an...

Page 12: ... 1 Clearances A space of at least 33 inches is required in front of the boiler with the door open to allow sufficient access space for operation and maintenance 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 a...

Page 13: ...n and maintenance instructions Logano GA124 special gas fired boiler Issue 04 2005 6 2 Leveling the boiler z Screw the four rubber feet 0 25 to 1 0 inches into the bottom rails z Place boiler on the feet z Level boiler horizontally and vertically by screwing the feet in and out Fig 8 Unscrewing screw in feet ...

Page 14: ...ng the heating system Electrical connection Fuel supply connection Installation of flue system 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 in...

Page 15: ...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 alarm The low water alarm must be installed during installation of the boiler Î Fig 9 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 pipes fo...

Page 16: ...perature 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 7 page 32 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 Cod...

Page 17: ...e 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 Î ...

Page 18: ... installed to the boiler immersion well together with the existing Honeywell aquastat sensor see page 20 for details 1 Unscrew left and right screws in the side panels lift front panel up pull outward and remove to the front 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 ...

Page 19: ...tion tabs of the 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 12 Removing boiler jacket Fig 13 Removing...

Page 20: ...g 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 16 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 clip with wiring from ...

Page 21: ... to control 19 Slide tabs of rear boiler cover under the front boiler cover and press down at back 20 Screw rear boiler cover to rear panel of boiler Fig 17 Swivel display unit USER NOTE We recommend positioning the display unit straight on combinations with an L tank Fig 18 Positioning terminal cover Fig 19 Installing rear boiler cover CAUTION SYSTEM DAMAGE due to dirt If the boiler is assembled ...

Page 22: ...ased on a specific gas weight of 0 60 and a gas pressure of 0 5 psi or less and a pressure gradient corresponding to a water column of 0 3 inches Tab 5 Equivalent lengths for pipe fittings Disconnect the boiler with the gas shut off from the gas supply pipe system the system is pressure tested with a test pressure greater than 1 2 psi Fig 20 Pipe connection to gas fittings back view 1 Gas feed 2 H...

Page 23: ...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 24: ...manufacturer Use only pipes with a diameter of 3 for the flue pipes and accessories from the manufacturer named in Tab 6 Use rigid or flexible metallic pipes with a diameter of 3 for the combustion line The flue system components can be ordered as accessories from your wholesaler or from other suppliers of accessories CAUTION OPERATING FAULTS due to strong winds If a t piece is not installed at th...

Page 25: ...be installed in the wall as directed by the regulations and or local building codes z Make an opening in the wall with a diameter of six 6 inches at the required position of the wall penetration z Insert the wall penetration into the wall from the outside and attach to the outside wall with the four screws z Insert flue pipe into wall penetration from the outside Attach the termination tee horizon...

Page 26: ...least 12 inches above the expected snow level in areas with heavy snowfall No changes are permitted to the wall penetration or any other parts of the flue system All parts must be installed in original condition The flue system must end no less than seven 7 feet above a sidewalk or pedestrian passage Make sure that the termination tee is at least six 6 feet away from the combustion air intake of a...

Page 27: ... the concentric pipe as shown in Î Tab 10 and Î Tab 11 Î page 32 Clearance from flammable building components is not required near the concentric pipe penetration A clearance of two 2 inches from flammable building components is required in the area of flue pipe to the concentric pipe When calculating the extended pipe length for adjustment of the combustion air baffle Î Chapter 7 6 4 page 30 the ...

Page 28: ... z Attach condensation trap to boiler connection see arrow and secure with the included hose clamp z Place a strip of silicone around the connection point and smooth it to form a gas tight connection Installation of the combustion air pipe at the boiler Proceed as described above for the flue pipe to install the combustion air pipe A condensation trap is not installed on the combustion air line Fi...

Page 29: ...eft to dry for 24 hours before putting the boiler into operation Fig 28 Horizontal flue system 1 Wall penetration 2 End piece of flue pipe termination tee 3 Condensation trap 4 Fastening the flue pipe 1 2 3 4 4 WARNING RISK TO LIFE by poisoning by leaking flue gas z Connect the flue system to one boiler only z Connection of another boiler may cause serious injury or death z The flue pipes must not...

Page 30: ...is adjusted depending on the total length of the combustion air pipe Determining the combustion air baffle position z Unscrew cover of blower enclosure z Calculate the extended length of the flue pipe or the combustion air pipe by adding the individual sections z Calculate the adjustment dimension X of the combustion air baffle with the extended pipe length in Table 7 12 z Compare the setting of t...

Page 31: ... feet up to30 cm up to40 feet up to max feet 30 5 0 4 5 3 5 0 0 up to 42 feet 23 5 0 5 0 4 5 4 0 4 0 up to 50 feet 17 5 0 5 0 4 5 4 5 4 0 up to 50 feet Tab 7 Rigid combustion air pipe 3 as per Fig 31 Boiler size Adjustment dimension X of the combustion air baffle depending on the length feet of the horizontal flue pipe combustion air hose 30 0 up to 20 feet maximum 23 4 0 up to 20 feet maximum 17 ...

Page 32: ...air pipe up to 5 feet up to 30 feet up to 45 feet up to max 50 feet 30 4 5 3 5 0 23 4 5 4 0 2 5 2 5 17 4 5 4 0 3 0 3 0 Tab 10 Rigid combustion air pipe 3 as per Fig 33 Boiler size Adjustment dimension X of the combustion air baffle depending on the length feet of the vertical flue pipe combustion air hose 30 0 up to 30 feet maximum 23 2 0 up to 30 feet maximum 17 3 0 up to 30 feet maximum Tab 11 F...

Page 33: ... cap valve z Open mixing and stop valves on hot water side z Fill boiler slowly with water from the building connection z Turn cap of automatic vent one revolution to allow 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 pre...

Page 34: ...ed from the outer edge of the opening The shortest dimension of all inlet and outlet openings must not be less than three inches CAUTION BOILER DAMAGE AND OPERATING FAULTS due to missing or inadequate openings for combustion air and venting of the boiler room The openings for combustion air supply and venting are always required regardless of whether the combustion air is supplied from the room op...

Page 35: ...ortest 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 appliances inside the closed room 2 If there is a connection to the outside through vertical ventilation ducts each opening must have a m...

Page 36: ...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 37: ...attach a pressure gauge to measure the gas pressure 9 Remove the screw plug for the orifice pressure measuring port on the gas valve Install pressure measuring nipple and attach a pressure gauge to measure the manifold pressure 10 Open gas valve and measure the gas supply pressure of the boiler The supply pressure must be between 4 7 and 10 5 W C for natural gas and between 11 and 13 W C for propa...

Page 38: ...ician 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 fittings that were under water WARNING RISK TO LIFE due to not observing the start up instructions and resulting incorrect operat...

Page 39: ...floor level If there is a gas odor STOP Follow instructions in section B of the safety instructions on Î page 36 of this manual If there is no sign of a gas odor continue with the next step 2 Open main gas valve 9 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 ...

Page 40: ...ts operating if heat is required Î observe control service manual 5 Make 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 9 3 Then carry out start up procedures The following start up procedures must be carried out regardless of the control type 7 Look at the igniter through the ...

Page 41: ...7 continue with steps 5 and 6 Then repeat steps 7 to 10 regardless of the control 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 13 Check manifold pressure The ...

Page 42: ...ner flame is too weak or is yellow or goes out turn the ON OFF switch Î Fig 40 page 41 on the gas valve 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 valve The main burner flame Î Fig 42 and the ignition flame Î Fig 41 are ...

Page 43: ...crew 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 C...

Page 44: ...n operation 9 9 4 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 44 Remove front panel of boiler Fig 45 Gas valve 1 ON OFF button at ON position 1 ...

Page 45: ... the owner operator of the operation of the complete heating system and the operating instructions for the boiler Together with the owner sign the protocol on page 46 and hand over the technical documentation CAUTION SYSTEM DAMAGE due to frost The heating system may freeze in frosty conditions if the control is not switched on z Protect the heating system from freezing when there is a danger of fr...

Page 46: ...vert gas type if necessary 4 Fill boiler with water and bleed complete heating system 5 Measure gas pressure supply pressure inches W C 6 Measure manifold pressure and adjust if necessary inches W C 7 Leak check in operating status check pilot and main burner flame and correct functioning of the venting system 8 Check maximum aquastat 9 Install front boiler panel 10 Inform operator hand over techn...

Page 47: ...ponents e g burner 4 Shut off main fuel supply valve 10 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 46 Shutting down heating system with a...

Page 48: ...rvice technician only When replacing components use only parts approved by Buderus Maintenance is required once a year Record the results of the inspection in the protocol at Î page 59 11 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 ...

Page 49: ...om electric shock z Before opening a unit disconnect electrical power completely and lock to prevent accidental reconnection WARNING RISK TO LIFE from explosion of flammable gases z Never work on gas lines unless you are licensed for this type of work Fig 48 Gas valve 1 ON OFF button at ON position 1 WARNING RISK TO LIFE from explosion of flammable gases z Wait five 5 minutes until all gas residue...

Page 50: ...ith brushes Remove burner 1 Disconnect your heating system from the mains electricity supply 2 Shut off main gas supply valve WARNING RISK TO LIFE from electric shock z Label all electrical wiring before disconnecting it for cleaning the boiler If cables are connected incorrectly the system may not operate correctly with possibly dangerous consequences z After maintenance test the heating system f...

Page 51: ... flame roll out switch and disconnect from the switch 8 Remove screws in burner box cover and remove cover 9 Unscrew nuts and remove gas burner with burner box 10 Release air supply hose Î Fig 49 and pull off burner box 11 If there is dirt in the burner compartment remove venting fan otherwise continue with Î Chapter 11 6 page 54 Fig 49 Front view 1 Flame roll out switch boiler size 17 2 Gas suppl...

Page 52: ...es for dirt and clean if necessary 19 If the hot gas ducts are dirty clean boiler 20 Cover control with foil to prevent entry of metal dust into the control 21 Use boiler brush to clean out flue gas passages 22 Clean combustion chamber and bottom insulation 11 5 2 Wet cleaning chemical cleaning For the wet cleaning use a suitable cleaning agent for the degree of build up of dirt soot or scale Use ...

Page 53: ...e connecting sleeves of the measuring points 30 Make sure that the fan manifold is completely pushed on to the fan during reassembly 31 Place the heating system in operation 32 Heat the boiler water to a temperature of at least 50 F 33 Take the boiler out of operation 34 Allow boiler to cool 35 Remove burner and venting fan Î page 50 36 Brush out flue gas passages 37 Clean combustion chamber and b...

Page 54: ...install the burner in reverse order of removal and disassembly Î page 50 Tighten the fixing nuts well Make sure that the front edge of the burner box cover is properly engaged in the sealing grommets 11 Place boiler in operation as directed in Î Chapter 9 page 36 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...

Page 55: ...block If there is voltage at terminals 1 and 4 check 120 V voltage at terminals L3 and N on plug X3 for the fan If not check wiring between relay and terminal on boiler block and relay and plug X1 input voltage If the wiring is OK replace relay If there is voltage at L3 and N on plug X3 check wiring to fan motor If OK replace fan Bridge thermostat contacts R and W If the boiler starts check thermo...

Page 56: ...on boiler block If not check wiring between air pressure switch and terminal on boiler block Check correct adjustment of baffle in fan enclosure see page 30 Check venting and combustion air line for correct cross section Check combustion air hose between fan housing and burner for correct cross section Check heat exchanger for blockages If the length of the venting pipe or the combustion air pipe ...

Page 57: ... replace automatic ignition Check electrical connections between automatic ignition and ignition timer on the gas fitting If OK replace gas fitting Check S 8600 H automatic igniter Check ignition wiring and ground for continuity Note If the ground is weak or faulty the system may switch off at random even if the heating system operates properly when tested Check that the ignition flame surrounds t...

Page 58: ...s solenoid valve opens Main burner operation S 8600 H monitors ignition flame Specified thermostat value control reached Main and ignition gas valves close gas burners go out Venting fan stops Ignition burner operation Ignition flame burns S 8600 H signals steady ignition flame or ignition flame does not burn S 8600 H starts ignition attempt switches off after 90 seconds END PHASE 1 Ignition attem...

Page 59: ...g combustion air inlet and outlet openings page 48 2 Inspection of boiler page 48 3 Inspection of burner page 48 4 Cleaning boiler page 50 5 Cleaning burner page 54 6 Measuring gas supply pressure page 37 inches W C inches W C 7 Measuring manifold pressure page 41 inches W C inches W C 8 Checking for leaks in operating condition page 37 9 Checking pilot and main burner flame page 42 10 Check opera...

Page 60: ...red boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Boiler inspection and maintenance 11 Datum Datum Datum Datum Datum 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 61: ...52 1253 1254 20 Threaded stud M8x30 5 6 3719 064 4 4 4 30 Hex nut M8 with locking teeth 5834 410 4 4 4 40 Immersion well R x100 compl 5446 065 1 1 1 50 Gasket D41 7x55x1 5 AFM 34 86159 710 2 2 2 60 Plug G1 left 6073 304 2 2 2 70 Floor panel 6301 6439 6438 6437 80 Shield rear 6301 6436 6435 6434 90 Snap nut 4 8 see Mounting material for boiler block 2 2 2 100 Washer A8 4 see Mounting material for b...

Page 62: ...ntenance instructions Logano GA124 special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 12 Fig 56 Boiler block 40 50 50 60 60 30 70 120 20 90 100 80 110 10 ...

Page 63: ...ler jacket 4 4 4 20 Plug in fuse Mounting material for boiler jacket 2 2 2 22 Sheet metal screw ST3 9x13 A3T Mounting material for boiler jacket 2 2 2 30 Side panel left right GA124 63016425 2 2 2 35 Panhead screw ST3 9x9 5 Mounting material for boiler jacket 12 12 12 40 Hood front GA124 63016426 1 1 1 45 Cover hood front 63016429 1 1 1 50 Hood rear GA124 63016427 1 1 1 60 Holder 9105 285 1 1 1 70...

Page 64: ...tructions Logano GA124 special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Parts lists 12 Fig 57 Boiler jacket 45 50 15 60 80 90 110 35 35 30 20 17 17 22 10 5 15 100 70 120 40 30 ...

Page 65: ... 6301 6446 6445 6444 135 Fan base plate 6301 6449 6448 6447 140 Adjustment baffle 63016443 1 1 1 141 Hex screw M6x12 see Mounting material Boiler block 1 1 1 142 Washer Ø 6 4 see Mounting material Boiler block 1 1 1 143 Serrated lock washer Ø 6 4 see Mounting material Boiler block 1 1 1 144 Hex nut M6 see Mounting material Boiler block 1 1 1 150 Cover venting fan housing 6301 6442 6441 6440 151 Ho...

Page 66: ...supply manifold G GA124 1 elbow 1 1 elbow 3 4 I A 1 boiler drain 3 4 1 relief valve 3 4Mx3 4F 30PSI 1 temperature pressure gauge 1 4 NPT 4 feet M10x51 Mounting material for boiler 63016501 Contents 4 snap nuts 4 8 SNU2212 4 sheet metal screws DIN7981 C ST4 8x22 1 hex screw ISO4017 M6x12 8 8 1 washer DIN125 A6 4 1 hex nut ISO4032 M6 8 1 lock washer DIN6797 A6 4 24 panhead screws ST3 9x9 5 2 lock wa...

Page 67: ...n and maintenance instructions Logano GA124 special gas fired boiler Issue 04 2005 Fig 58 Boiler block attachment parts 150 160 160 135 141 142 160 140 130 120 143 260 260 280 270 144 210 185 185 180 290 290 60 10 80 60 60 60 15 50 50 50 70 70 50 110 110 151 151 152 153 290 231 232 240 232 233 185 215 ...

Page 68: ...0 Lock washer A4 3 A3K see Mounting material GAW 027 US 5 5 5 110 Hose line AWG 2x18 063 076 63015745 1 1 1 120 Wiring harness GAW 022 024 026 027 63015746 1 1 1 130 Temperature sensor 209659B 63015749 1 1 1 140 Blank for 1 4 annular sensor 7060 110 1 1 1 150 Compensator spring 5446 800 1 1 1 160 Sensor holder 7060 986 1 1 1 170 Transformer 120V 24V US compl 63015748 1 1 1 180 Automatic igniter S ...

Page 69: ...Parts lists 12 69 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 Fig 59 Switch box ...

Page 70: ...0 Housing cover CE124 compl US with gasket view glass and screws 6301 5561 5562 5563 40 Panhead screw ST3 9x9 5 A3T 5947 754 14 16 16 50 Housing cover gasket See housing gasket set 1 1 1 60 View glass compl with retainer gasket and screws 7100 256 1 1 1 70 Bush diameter 44 mm slit 63011272 1 1 1 80 Housing frame CE124 compl US with gasket and screws 6301 5564 5565 5566 90 Housing frame gasket See ...

Page 71: ...s lists 12 71 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 Fig 60 Housing for burner ...

Page 72: ...tity model Model 23 Quantity model Model 30 Quantity model 10 Pipe section compl 151 lg AE124X CE124X US for 3 and 4 sections 5176 736 1 1 10 Pipe section compl 241 lg AE124X CE124X US for 5 sections 5176 737 1 20 Screw 8x32x1 See burner mounting set 2 2 2 30 Screw 8x32x See burner mounting set 6 6 6 40 Fittings VR8204H 1006 NPT compl US 63015667 1 1 1 50 O ring D22 22x2 62 5483 082 1 1 1 60 Pipe ...

Page 73: ...lists 12 73 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 Fig 61 Fitting group VR 8204 H ...

Page 74: ...tion burner Q3451 E compl US with screws ignition burner holder ignition gas nozzle EG and ignition cable 63015767 1 1 1 20 Screws 8x32x3 16 See burner mounting set 1 1 1 30 Ignition burner holder See burner mounting set 1 1 1 40 Ignition gas nozzle EG BCR 20 5181 648 1 1 1 40 LPG nozzle BBR 12 5176 998 1 1 1 50 Ignition gas screws D4 5181 672 1 1 1 60 Ignition gas line DA4 CE124 compl US with scr...

Page 75: ...rts lists 12 75 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 Fig 62 Ignition burner ...

Page 76: ...ble for operation at altitudes between 0 and 8500 feet The appropriate gas conversion parts are required for operation at altitudes above 8500 feet 30 Main gas nozzle 2 65 mm hole SW16 48 mm for model EG G20 0 8500 feet 5484 392 2 30 Main gas nozzle 2 50 mm hole SW16 48 mm for model EG G20 0 8500 feet 5484 380 3 4 40 Insulation US 6301 5528 5529 5530 50 Ceramic glue Thermofix tube 115 g 2037 312 1...

Page 77: ...arts lists 12 77 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 Fig 63 Burner grate ...

Page 78: ...ion parts must be included in the order The replaced parts must remain with the heating system for a possible future reconversion Gas burner CE124 Î Fig 64 Item no Description Buderus article number Model 17 Quantity model Model 23 Quantity model Model 30 Quantity model 10 Gas burner CE124 G20 US 6301 5513 5514 5515 LP kit GA124 G31 0 8500 US CA 6303 7804 7805 7805 LP kit GA124 G31 8501 12000 US C...

Page 79: ...ts lists 12 79 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 Fig 64 Gas burner CE124 ...

Page 80: ... gas orifice identification for altitudes feet Rated manifold pressure in W C 0 8500 ft1 8501 12000 ft2 17 2 265 260 3 6 23 3 250 245 3 6 30 4 250 245 3 5 Tab 24 Main gas orifice identification and rated manifold pressure for natural gas Boiler size Number of orifices Main gas orifice identification for altitudes feet Rated manifold pressure in W C 0 8500 ft2 8501 12000 ft2 17 2 175 170 8 9 23 3 1...

Page 81: ...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 14 Wiring diagrams Fig 65 Wiring diagram Model GA124 ...

Page 82: ...ation and maintenance instructions Logano GA124 special gas fired boiler Issue 04 2005 We reserve the right to make any changes due to technical modifications Wiring diagrams 14 Fig 66 Wiring diagram Model GA124 ...

Page 83: ...ve the right to make any changes due to technical modifications Installation and maintenance instructions Logano GA124 special gas fired boiler Issue 04 2005 Fig 67 Wiring diagram GA124 with Logamatic 2107 or Logamatic 2109 control ...

Page 84: ...03 552 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 Heating Contractor PRODUCTS MANUFACTURED BY BBT Thermotechnik GmbH 35573 Wetzlar www buderus de ...

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