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Boiler inspection and maintenance

16

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

Installation and maintenance instructions Gas Boiler Logano GC124 II/SP • Issue 07/2006

16.9 Troubleshooting the GC124 SP

Equipment required: Wiring diagrams (

Î

Chapter 19, page 80) and voltage detectors for 120 VAC and 24 VAC.

•

Verbindungen zur Gasarmatur prüfen.

•

Geht die Zündflamme aus, prüfen, ob das Thermoelement dicht mit den
Gasventilen abschließt; wenn ja Thermoelement austauschen.

•

Geht die Zündflamme immer wieder aus, Gasventile austauschen.

•

Prüfen, ob alle handbetätigten Gasabsperrventile geöffnet, Gasan-
schlüsse und Druckmesswerte in Ordnung und Zündgasdüsen nicht ver-
stopft sind.

•

Check connections to gas valve.

•

If the ignition flame goes out, check that the thermocouple is firmly
screwed to the gas valve; if yes, replace thermocouple.

•

If the ignition flame continues to go out, replace gas valve.

•

Check that all manually operated gas shut-offs are open; check that gas
connections and pressures are correct and that pilot orifice is not blocked.

Start

Set gas valve ON/OFF knob
clockwise to OFF position.
Close main gas shut-off. Set
thermostat (control) to heat re-
quirement (vent damper
opens).
Switch on power.

Set gas valve ON/OFF knob
counterclockwise to PILOT posi-
tion. Open main gas shut-off.
Press red pilot ignition button
and ignite ignition flame. Hold
down red pilot ignition button for
one minute and then release. Ig-
nition flame is burning.

•

Check electrical power source, low-voltage transformer, thermostat (con-
trol) and wiring. Check that the vent damper is open and the limit switch
is present.

No

No

No

Set gas valve ON/OFF knob
counterclockwise to ON. Main
burner ignites.

•

Check 24-V voltage at the gas valve.

•

Check electrical connections to gas valve. If OK replace gas valve.

No

System operates until the heat
requirement ends.

•

Check that the ignition flame surrounds the thermocouple and burns
evenly with a bluish flame. If OK replace thermocouple.

No

Heat requirement ended, sys-
tem switches off, vent damper
closes. Ignition flame continues
to burn.

•

Check operation of thermostat (control).

•

Disconnect 24-V connection to gas valve. If gas valve closes, check ther-
mostat and electrical wiring again.

•

If the gas valve does not close, replace gas valve.

End of troubleshooting

Repeat procedure until heating system operates properly.

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Содержание Logano GC124 II/SP

Страница 1: ...ections 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 instructions in this manual with the owner or operator of the h...

Страница 2: ...7 Boiler installation 13 7 1 Preparing for installation 13 7 2 Connecting the heating system 14 7 3 Electrical connections 16 7 4 Fuel gas supply connection 18 7 5 Filling heating system and checking for leaks 20 8 Check openings for combustion air supply and venting 22 9 Requirements for connection to chimneys or venting systems 23 10 Flue pipe installation 24 11 Placing the heating system in ope...

Страница 3: ...nce important 43 16 2 Testing the flue system including combustion air air inlets and Ventilation openings 43 16 3 Inspection of the boiler and burner 43 16 4 Preparing boiler for cleaning 44 16 5 Cleaning the boiler 45 16 6 Cleaning the burner 51 16 7 Maintenance protocol 53 16 8 Troubleshooting the GC124 II 55 16 9 Troubleshooting the GC124 SP 57 17 Parts lists 59 18 Technical specifications 79 ...

Страница 4: ...gislation and local regulations If an existing boiler is replaced the complete hot water piping system must be inspected to ensure that it is in perfect condition to ensure safe operation WARNING RISK TO LIFE Identifies possible dangers originating from the product which might lead to serious injury or death if proper care is not taken CAUTION RISK OF INJURY SYSTEM DAMAGE Identifies potentially da...

Страница 5: ...e qualified for this type of work z Before disconnect electrical power completely and pad lock to prevent accidental reconnection z Observe the local installation regulations WARNING RISK TO LIFE by poisoning Insufficient ventilation or combustion air availability may cause dangerous flue gas leaks or formation z Make sure that inlets and outlets are not reduced in size or closed z If faults are n...

Страница 6: ...ollowing additional items will also be useful Boiler cart with strap Cleaning brushes and or chemical cleaning agents for wet cleaning of the cast iron heat exchanger 1 5 Disposal z Dispose of the packaging material in an environmentally prudent fashion z Dispose of any components of the heating system that require replacement in an environmentally prudent fashion WARNING FIRE DANGER due to flamma...

Страница 7: ...r Boiler block with insulation Burner The ignition module and adjustable aquastat monitor and control all electrical and operational 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 heating water The insulation reduces energy loss Fig 1 Logano GC124 II SP gas boiler 1 Boiler front door 2 Aqu...

Страница 8: ... RK 1 VK 1 GAS EL GAS Connections measurements see the following tables VK Boiler supply RK Boiler return EL Boiler drain GAS Gas connection Boiler size Boiler input A B Vent connection II SP Min relief valve capacity Number of Orifices Water volume Dry weight Btu hr Inches Inches Inches lb hr Qty US Gal lbs 18 3 74000 13 1 8 8 5 62 2 2 4 228 25 4 103000 16 3 4 8 2 3 5 86 3 2 9 287 32 5 132500 20 ...

Страница 9: ...leteness Component Qty Packaging method Boiler complete 1 1 palette B kit components 1 1 4 supply manifold 30 psi relief valve long shank boiler drain pressure temperature gauge 90 elbow 1 x 1 NPT 90 elbow 1 x 1 NPT 90 elbow NPT nipple nipple1 NPT nipple 1 NPT 1 1 cardboard box1 Vent damper 1 1 cardboard box1 Circulator with whip 1 1 cardboard box1 Technical documents 1 plastic pack age Tab 2 Scop...

Страница 10: ...e wood pallet z Pick up boiler base from one side and slide to the edge of the pallet Place a steel pipe as roller under the boiler base Place additional steel pipes under the boiler base and roll the boiler to its final destina tion CAUTION SYSTEM DAMAGE Due to uneven and rough surfaces z Observe the transport diagrams on the packaging to protect the sensitive com ponents from damage due to rough...

Страница 11: ...g the boiler The boiler can be picked up at the both long sides of the boiler as shown Fig 5 Moving the boiler with dolley or boiler cart 1 Additional card board for protection 1 CAUTION RISK OF INJURY due to improper securing of the boiler dur ing transport z Use a boiler coart or dolley and strap for moving the boiler z Secure boiler on the boiler cart z Remove the front door during lifting or t...

Страница 12: ... boiler with the door removed to allow sufficient ac cess space for operation and maintenance When the door is closed a minimum clearance of 2 inches is re quired 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 ...

Страница 13: ...m Electrical connection Gas supply piping 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 How ever if you discover any damage or miss ing parts please inform your supplier im mediately Before d...

Страница 14: ...alled above the level of the heating system must be equipped with a low water cut off The low water cut off must be installed dur ing installation of the boiler and placed above the water level in the boiler with out any means of shutting the water off between the boiler and low water cut off Î Fig 8 CAUTION SYSTEM DAMAGE Due to high temperature variations in the heating system z If the boiler is ...

Страница 15: ...e boiler z Install first 90 street elbow in upper NPT tap ping of GC124 1 1 4 supply manifold and install pressure relief valve into this tapping Make sure to orient the discharge of the relief valve horizontally Install the temperature pressure gauge in the lower 3 4 tapping of the supply manifold Fig 9 Installation of B kit 1 Pressure relief valve 2 90 3 4 street elbow 3 GC124 1 1 4 supply manif...

Страница 16: ...ulation pump Power supply connection Install incoming power to the boiler per local and state codes z Install an ON OFF switch near the boiler per local code requirements CAUTION FIRE DANGER due to exposure to hot water pipes z Maintain a minimum clearance of two inches between non insulated pipes carrying hot water and combustible walls and surfaces in the boiler room A minimum of 1 high quality ...

Страница 17: ...k that the heating system functions correctly af ter any maintenance work Fig 11 Electrical junction box 1 Electrical junction box Inside of jacket cabinet 2 Incoming line voltage wiring 3 Furnished wiring nuts 2 1 3 USER NOTE When making the electrical connections use only wires that are approved for elec trical use USER NOTE Refer to the wiring diagrams on pages Î page 80 bis Î page 82 for elect...

Страница 18: ...e use of copper tubing for the gas line Gas carrying capacity refer to technical manual Î Chapter 18 page 79 Tab 5 Gas pipe supply volume 1 Maximum gas supply volume in cubic feet per hour based 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 Fig 13 Gas piping connection to gas valve right or left side 1 G...

Страница 19: ...ount of sealant must be applied to the external thread of the pipe connections If you wish to convert the boiler to propane please con tact Buderus for the required conversion components Do not attempt to convert the boiler without the ap proved Buderus propane conversion parts and the rele vant technical documentation The technical documen tation is included with the propane conversion parts 7 4 ...

Страница 20: ...al codes as follows USER NOTE Have the water analyzed before filling the heating system The water may require treatment as a result of the analysis Please consult the local water supply company if the water is extremely hard or has a pH level below 7 0 CAUTION SYSTEM DAMAGE due to overpressure during the leak test Pressure control or safety components may be damaged by high pressure z Before condu...

Страница 21: ...low the air to es cape 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 or other air elimination components or high points in the system z If the pressure drops during air bleeding water must be added z Install pressure relief valve Î Fig 14 z Open fil...

Страница 22: ... 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 appliances inside the closed room 2 If there is a connection t...

Страница 23: ...ut 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 turned 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 longitudinal incl...

Страница 24: ...ole of the vent damper blade for the II models only The openings in the vent damper blade must remain open for the SP model boilers 3 Fasten vent damper to the flue collar of the open draft hood 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 the proper diameter for t...

Страница 25: ...iler into the opening on the left side of the boiler Secure strain relief at the furnished knock out 7 Connect vent damper plug into the terminal bar as shown in the circuit diagram Fig 17 Routing of vent damper wiring 1 Vent damper wiring 2 Vent damper wiring strain relief 1 2 Fig 18 Connecting vent damper wiring 1 Vent damper connection plug 2 Aquastat 3 Power supply indicator light 4 Aquastat t...

Страница 26: ... and openings Î Chapter 8 and 9 page 22 and page 23 WARNING RISK TO LIFE due to electric shock when the cover protecting the electric components has been removed Before removing the cover to the electric components z Cut power to the heating system by turning the emergency shut off switch to the OFF position or by shutting off the heating system circuit breaker z Take precautions to prevent accide...

Страница 27: ... valve for leaks using soapy water If no leaks are found continue at step 8 If any leaks are found close gas manual shut off 7 Seal leaks and repeat at step 6 8 Wait five 5 minutes until all gas has dissipated Check for odor of gas around the heating system This test must also be conducted at floor level because some gas types are heavier than air and may accumulate at floor level 9 Follow the saf...

Страница 28: ...ion Never operate electrical switches including telephones plugs or door bells z Close main gas shut off z Open windows and doors z Warn all occupants of the building z Evacuate the building z Call gas company heating contractor or fire department from outside the building USER NOTICE GC124 II only This unit is equipped with an automatic igniter that starts the burner Do not attempt to ignite the ...

Страница 29: ...orifice pressure measurement port on the gas valve Install pressure measuring nipple and attach a pressure gauge to measure the orifice pressure 5 Open gas shut off 11 1 2 Turning on heating system The boiler is fully functional with the factory installed aquastat and field installed and connected vent damper 6 Switch on power to the heating system GC124 II continue to Î Chapter 12 page 30 GC124 I...

Страница 30: ...N OFF knob Î Fig 23 counterclockwise to the ON position 4 The ignition flame will appear and ignite the main burner If the main burner does not ignite close the gas shut off Disconnect heating system from the power source and inform your customer service technician or gas company Fig 22 GC124 II boile 1 Sight glass 1 Fig 23 GC124 II gas valve 1 ON OFF knob shown in ON position 1 WARNING RISK TO LI...

Страница 31: ...ith the values in Î Tab 8 If it differs by more than 0 2 W C adjust accordingly To set the orifice pressure the protective screw on the gas valve must be removed Î Fig 24 Turn the adjustment screw clockwise to increase the pressure and counterclockwise to reduce the pressure This setting must be adjusted while the boiler is operating 7 Record the measured value in the start up protocol Install the...

Страница 32: ...ve does not operate correctly turn ON OFF knob on the gas valve clockwise to the OFF position immediately Close the main gas shut off and disconnect the heating system from the main power source and contact the customer service technician or the gas company 10 After 90 seconds the igniter stops generating sparks for five 5 seconds 11 Disconnect the heating system from the main power source Open ma...

Страница 33: ...nd close gas shut off and turn ON OFF knob on gas valve clockwise to the OFF position Disconnect the heating system from the power source and turn thermostat to its lowest setting 22 Seal leaks Repeat steps 17 to 21 23 Carefully wipe away the soapy water to prevent corrosion caused by the alkaline content of the soap Checking the vent damper 24 Check the position of the vent damper The damper must...

Страница 34: ... up procedures for GC124 II models 12 Checking aquastat Check the function of the maximum aquastat to make sure that it switches the boiler off as soon as the boiler water temperature set at the aquastat is reached Record the result in the start up protocol 25 Set aquastat to its desired setting 26 Replace front door and close Fig 28 Checking aquastat 1 Adjustment knob 1 ...

Страница 35: ...OFF switch on gas valve clockwise to OFF and repeat steps 1 through 5 Fig 29 GC124 SP boiler 1 Sight glass 2 Thermocouple 1 2 WARNING RISK TO LIFE from fire or explosion z Never use excessive force on the ON OFF knob Î Fig 23 z Turn ON OFF knob only by hand z Never use tools to turn knob z If you are unable to turn the knob by hand do not try to repair it z Call Buderus technical service for assis...

Страница 36: ...en 4 7 and 10 5 W C For propane gas LP it must be between 11 and 13 W C If the gas pressure is in the correct range record the measured value in the start up protocol then continue with step 14 If the supply pressure does not meet the above criteria close gas line and contact the gas company Checking manifold pressure 14 Compare the manifold pressure with the values in Î Tab 9 If it differs by mor...

Страница 37: ...e main burner flame and the ignition flame are extinguished 18 Turn gas valve ON OFF knob Î Fig 34 counterclockwise to PILOT position 19 Wait three 3 minutes and turn gas valve ON OFF knob Î Fig 34 counterclockwise to ON position 20 Gas must not flow into the main burner Use a pressure gauge to check that the manifold pressure output pressure is 0 21 If gas flows turn gas valve ON OFF knob Î Fig 3...

Страница 38: ...se gas valve and turn ON OFF knob on gas valve clockwise to the OFF position Disconnect the heating system from the power source and turn thermostat to its lowest setting 31 Seal any leaks Repeat steps 26 to 30 32 Carefully wipe away the soapy water to prevent corrosion caused by the alkaline content of the soap Checking the vent damper 33 Check the position of the vent damper The damper must be f...

Страница 39: ... Logano GC124 II SP Issue 07 2006 Checking the Aquastat Check the function of the maximum aquastat to make sure that it switches the boiler off as soon as the boiler water temperature set at the aquastat is reached Record the result in the start up protocol 34 Set the aquastat to its desired setting 35 Replace front door and close Fig 36 Checking aquastat 1 Adjustment knob 1 ...

Страница 40: ...4 Check the equipment correct orifices See below and convert gas type if necessary 5 Fill boiler with water and bleed complete heating system 6 Measure gas supply pressure flow pressure inches W C 7 Measure manifold pressure and adjust if necessary inches W C 8 Check pilot and main burner flame 9 Leak check in operating status 10 Correct functioning of the venting system 11 Check maximum aquastat ...

Страница 41: ...ver technical documentation Inform the owner operator of the operation of the complete heating system and the operating instructions for the boiler The heating contractor shall instruct and demonstrate the start up and shut down procedure of the boiler to the owner operator Please instruct the owner operator how to proceed in case of a fire Sign the protocol on Î page 40 with the owner and hand ov...

Страница 42: ...OFF position 15 2 Emergency shut down procedures Inform the owner and operator of the procedure in case of emergency 1 Never put yourself at risk Your own safety must always take priority 2 Shut off main gas supply 3 Shut down the heating system using the boiler emergency shutoff switch or the corresponding circuit breaker Fig 37 Emergency shut down 1 ON OFF switch Emergency shutoff switch 1 CAUTI...

Страница 43: ...eration and long life All maintenance work must be carried out by a qualified boiler technician When replacing components use only parts approved by Buderus Maintenance is required once a year Record the results of the inspection in the protocol on Î page 53 16 2 Testing the flue system including combustion air air inlets and Ventilation openings Check the venting system including the combustion a...

Страница 44: ...ic shock z Before opening a unit disconnect elec trical power and lock to prevent acci dental reactivation 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 38 Gas valve GC124 II left GC124 SP right 1 ON OFF knob shown in ON position 1 1 WARNING RISK TO LIFE from explosion of flammable gases z Wait five 5 minutes unti...

Страница 45: ...are available as accessories Inspecting the ignition burner of the GC124 II 1 Observe the ignition burner through the sight glas Î Fig 39 2 The flame must rise over the sensor by to 1 3 The pilot ignition gas pressure must be adjusted if the flame is too small or too large Fig 39 GC124 II boiler 1 Sight glass 1 Fig 40 Correct ignition flame setting 1 Flame rises to 1 above sensor 2 Ignition flame ...

Страница 46: ...eds cleaning Î Fig 50 page 51 If the igniter flame is acceptable start cleaning Inspecting the pilot burner of the GC124 SP 7 Inspect the pilot flame through the sight glass Î Fig 43 8 The flame must cover the thermocouple by 3 8 to 9 If the flame is too small or too large use the adjustment screw to correct for it Fig 41 Gas valve GC124 SP 1 Safety screw on igniter adjustment screw 1 USER NOTE Be...

Страница 47: ...Fig 44 If the pilot flame is acceptable start cleaning 16 5 1 Cleaning the boiler with brushes Burner removal 13 Before opening a unit disconnect electrical power and lock to prevent accidental reactivation 14 Close main gas shut off Fig 44 Gas valve GC124 SP 1 Safety screw on pilot adjustment screw 1 USER NOTE Be careful not to damage the pilot orifice during installation and cleaning WARNING RIS...

Страница 48: ...45 17 Disconnect cable connector from bottom of gas valve Î Fig 45 18 Label cables to the flame roll out switch then remove cable Î Fig 45 Fig 45 Front view GC124 II top GC124 SP bottom 1 Flame roll out switch 2 Flame roll out switch cable 3 Gas valve 4 Gas supply pipe 5 Aquastat 6 Ignition module GC124 II only 7 Igniter cable GC124 II only 8 Gas valve cable connector 9 Pilot line 10 Igniter cable...

Страница 49: ...s Boiler Logano GC124 II SP Issue 07 2006 19 Remove four 4 screws from gas manifold on top of gas valve 20 Remove two 2 screw nuts on burner tray and take out the tray 21 Remove 4 screws on sides of the top cover and lift off Fig 46 Removing burner GC124 SP shown 1 Screw nuts two 2 Screws on gas manifold on top of gas valve four 2 1 Fig 47 Remove top cover ...

Страница 50: ...bed for cleaning with brushes Î Chapter 16 5 1 page 47 28 Cover control with foil to prevent entry of spray into the control 29 Ventilate boiler room well during cleaning 30 Spray flue gas vents evenly with the cleaning agent 31 Replace and install the burner in reverse order of removal and disassembly 32 Place the heating system in operation 33 Heat the boiler water to a temperature of at least 1...

Страница 51: ...ds are clear Remove all water and dirt residue from the slots If any slots are damaged the burner must be replaced 10 Check igniter GC124 II only or pilot burner and thermocouple GC124 SP only for damage and signs of corrosion Replace if necessary Inspection of the pilot flame 11 For GC124 II Repeat steps 1 to 6 Î page 45 ff 12 For GC124 SP Repeat steps 7 to 12 Î page 46 ff 13 Assemble and install...

Страница 52: ...heck area around boiler for hazards Complete the maintenance protocol to confirm that all maintenace work has been conducted Sign the mainte nance protocol and discuss it with the owner of the heat ing system WARNING RISK OF FIRE From flammable material or liquids z The area around the boiler must be free from flammable substances gasoline or any other flammable or corrosive va pors and liquids z ...

Страница 53: ...er page 43 4 Cleaning of boiler page 45 5 Cleaning of burner page 51 6 Measuring gas supply pressure GC124 II or GC124 SP page 30 or page 35 inches W C inches W C 7 Measuring orifice pressure GC124 II or GC124 SP page 30 or page 35 inches W C inches W C 8 Checking for leaks in operating condition page 26 9 Checking pilot burner flame GC124 II or GC124 SP page 45 ff or page 46 ff 10 Checking main b...

Страница 54: ... II SP Issue 07 2006 We reserve the right to make any changes due to technical modifications Boiler inspection and maintenance 16 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 ...

Страница 55: ...lectrode and burns evenly with a bluish flame If OK replace electrode If everything is OK replace ignition module No Heat requirement ended system switches off vent damper clos es End of troubleshooting Repeat procedure until heating system operates properly Check that the vent damper operates and limit switches are present If necessary replace vent damper Check ignition wiring ceramic insulator o...

Страница 56: ...ain burner operation automatic ignition monitors ignition flame Specified thermostat value control reached Main and ignition gas valves close gas burners ex tinguished vent damper closes Ignition burner operation Ignition flame burns automatic ignition signals steady ignition flame or ignition flame does not burn au tomatic ignition starts ignition at tempt switches off after 90 seconds END PHASE ...

Страница 57: ...gas valve ON OFF knob clockwise to OFF position Close main gas shut off Set thermostat control to heat re quirement vent damper opens Switch on power Set gas valve ON OFF knob counterclockwise to PILOT posi tion Open main gas shut off Press red pilot ignition button and ignite ignition flame Hold down red pilot ignition button for one minute and then release Ig nition flame is burning Check electr...

Страница 58: ...n flame ignition flame generates voltage in thermocouple and keeps ignition valve open Main burner operation thermocouple controls ignition flame main gas solenoid valve opens 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 rest...

Страница 59: ...ete GC124 7747003 359 360 362 20 Magnet for front door 63043937 1 1 1 30 Logano GC124 name plate 63046605 1 1 1 40 Inner panel 7747000 765 766 767 50 Side panel left 7747000746 1 1 1 60 Side panel right 7747000748 1 1 1 70 Top cover 7747000 768 769 770 80 Rear panel 7747000 761 763 764 90 Insulation front 7747000 740 741 742 100 Insulation left 7747000743 1 1 1 110 Insulation right 7747000744 1 1 ...

Страница 60: ... 07 2006 We reserve the right to make any changes due to technical modifications Parts lists 17 Fig 52 Boiler jacket Buderus Logano Classic 7747100028 01 Verkleidung GC124 US 10 160 170 40 90 100 110 130 120 180 180 180 180 180 180 60 50 150 160 160 180 140 180 180 180 70 80 20 30 ...

Страница 61: ... 60 Self tapping screw M6x12 see Mounting material 6 6 6 80 Bottom panel 7747003 363 364 365 90 Distance bolt M8x51 see Mounting material 2 2 2 100 Captive panel fastener 4 8 SNU2012 00475485 6 6 6 110 Sheetmetal screw C ST4 8x22 see Mounting material 6 6 6 120 Flue collar 05521 240 240 242 130 Back flow check 6304 6403 6404 6405 140 Cleanout cover 05371 974 976 978 150 Sheetmetal screw ST4 2x13 s...

Страница 62: ...ical modifications Parts lists 17 Tab 11 Boiler block mounting material 270 BOILER DRAIN VALVE NPT 1 1 1 280 TRIDICATOR 1 1 1 290 RELIEF VALVE M x F NPT 1 1 1 Mounting material 7747000912 1 1 1 Boiler block attachment parts Î Fig 53 Item No Description Buderus Part number Model 18 Quantity Model Model 25 Quantity Model Model 32 Quantity Model ...

Страница 63: ... Boiler Logano GC124 II SP Issue 07 2006 Fig 53 Boiler block mounting material 7747100027 01 Kesselblock Anbauteile GC124 US 12 12 13 20 11 10 60 50 40 60 40 50 11 30 40 50 80 50 190 100 110 110 40 60 160 60 90 90 110 210 280 205 220 240 260 290 270 250 230 200 201 170 110 150 140 150 120 180 110 100 100 100 100 100 110 130 14 15 15 14 ...

Страница 64: ...ial GAW027 031 5 5 5 60 Self tapping screw Mounting material GAW027 031 10 10 10 70 Terminal block 4 pin Mounting material GAW027 031 1 1 1 80 Self tapping screw Mounting material GAW027 031 5 5 5 90 Strain relief 63012947 1 1 1 100 Electronic ignition module 63015743 1 1 1 110 Self tapping flat head screw Mounting material GAW027 031 5 5 5 150 Cover 7747004670 1 1 1 Consists of 160 Cover large 1 ...

Страница 65: ...Logano GC124 II SP Issue 07 2006 280 Angle bracket 1 1 1 290 Wiring harness 7747004671 1 1 1 300 Junction box 7747004455 1 1 1 Mounting material 63015810 1 1 1 Tab 12 Controls for GC124 II Control panel assembly for GC124 II Î Fig 54 Item No Description Buderus Part number Model 18 Quantity Model Model 25 Quantity Model Model 32 Quantity Model ...

Страница 66: ...eserve the right to make any changes due to technical modifications Parts lists 17 Fig 54 Controls for GC124 II 7747100019 01 Regelung GAW030 US 10 11 12 210 180 220 190 200 160 170 150 80 90 90 20 30 30 70 40 50 50 50 60 60 100 110 110 60 60 50 50 60 60 240 250 260 280 230 290 230 270 270 300 ...

Страница 67: ...31 5 5 5 60 Self tapping screw Mont Mat GAW027 031 10 10 10 70 Terminal block 4 pin see Mounting material GAW027 031 1 1 1 80 Self tapping screw see Mounting material GAW027 031 5 5 5 90 Strain relief 63012947 1 1 1 130 Cover 7747004670 1 1 1 Consists of 140 Cover large 1 1 1 150 Cover small 1 1 1 160 Sensor plug circle 07060110 1 1 1 170 Spring 05446800 1 1 1 180 Wiring harness 7747000990 1 1 1 1...

Страница 68: ...006 We reserve the right to make any changes due to technical modifications Parts lists 17 Fig 55 Controls for GC124 SP 7747100020 01 Regelung GAW031 US 10 11 12 190 170 160 140 150 130 80 90 90 20 30 30 70 40 50 50 50 60 60 60 60 50 50 60 60 210 220 230 250 200 260 200 240 240 270 180 ...

Страница 69: ...plete 7747001215 1 20 Gasket 05483082 1 1 1 30 Insulation including adhesive 05181396 1 1 1 40 Adhesive for insulation 02037312 1 1 1 50 Diverter 7747000913 1 1 1 60 Screws Torx 7747001217 1 1 1 70 Gasket 05883094 2 3 4 80 Main gas orifice 2 85 mm Natural Gas 05484408 1 81 Main gas orifice 2 75 mm Natural Gas 05484400 1 82 Main gas orifice 2 70 mm Natural Gas 05484396 1 83 Main gas orifice 1 80 mm...

Страница 70: ...o GC124 II SP Issue 07 2006 We reserve the right to make any changes due to technical modifications Parts lists 17 Fig 56 Burner for GC124 II SP 7747100077 01 Brennrost AE124GC II SP US 10 11 12 20 70 70 70 70 30 50 80 81 82 83 84 85 50 60 60 60 60 90 100 40 110 ...

Страница 71: ...rder The replaced parts must remain with the heating system for a possible future reconversion Complete Propane conversion kits Î Fig 57 Item No Description Buderus Part number Model 18 Quantity Model Model 25 Quantity Model Model 32 Quantity Model 10 AE124GC 18 3 II VR8204 7747001221 1 11 AE124GC 25 4 II VR8204 7747001222 1 12 AE124GC 32 5 II VR8204 7747001223 1 20 AE124GC 18 3 SP VR8200 77470012...

Страница 72: ...s Gas Boiler Logano GC124 II SP Issue 07 2006 We reserve the right to make any changes due to technical modifications Parts lists 17 Fig 57 Gas conversion kits 7747100076 01 Brennervarianten Gasartumstellteile AE124GC II SP US 10 11 12 20 21 22 ...

Страница 73: ...valve GC124 II SP Gas valve GC124 II SP Î Fig 58 Item No Description Buderus Part number Model 18 Quantity Model Model 25 Quantity Model Model 32 Quantity Model 10 Gas Supply Pipe elbow NPT incl gasket and screws 00475908 1 1 1 20 Gas valve VR8204H1006 GC124 II 00475825 1 1 1 25 Gas valve VR8200H1004 GC124 SP 05181446 1 1 1 30 Gasket 05483082 1 1 1 40 Screw for gas valve 63025928 1 1 1 ...

Страница 74: ...tructions Gas Boiler Logano GC124 II SP Issue 07 2006 We reserve the right to make any changes due to technical modifications Parts lists 17 Fig 58 Gas valve GC124 II SP 7747100078 02 Gasarmatur VR8204H 1006 GC124 II US 10 20 30 40 40 25 ...

Страница 75: ...erus Part number Model 18 Quantity Model Model 25 Quantity Model Model 32 Quantity Model 10 Igniter burner complete 7747001227 1 1 1 20 Screw set 7747001219 1 1 1 30 Bracket 67900765 1 1 1 40 Pilot orifice natural gas BCR20 05181648 1 1 1 41 Pilot orfice LP BBR12 05176998 1 1 1 50 Screw nut 05181672 1 1 1 60 Screw Torx 63010217 1 1 1 70 Screw set 7747001217 1 1 1 80 Ignition gas line 7747001228 1 ...

Страница 76: ...iler Logano GC124 II SP Issue 07 2006 We reserve the right to make any changes due to technical modifications Parts lists 17 Fig 59 Ignition burner GC124 II 7747100080 00 Zündbrenner GC124 Classic II US 10 20 30 40 50 80 50 50 60 70 41 20 30 40 50 60 70 ...

Страница 77: ... Model 18 Quantity Model Model 25 Quantity Model Model 32 Quantity Model 10 Pilot burner complete 7747001309 1 1 1 20 Screw set 7747001220 1 1 1 30 Bracket 05181451 1 1 1 40 Pilot orifice Natural gas CAR 12 05181016 1 1 1 41 Pilot orifice LP GAF 8 05181017 1 1 1 50 Screw nut 05181672 1 1 1 60 Screw Torx 63010217 1 1 1 70 Screw set 7747001217 1 1 1 80 Ignition gas line 7747001229 1 1 1 90 Thermocou...

Страница 78: ...r Logano GC124 II SP Issue 07 2006 We reserve the right to make any changes due to technical modifications Parts lists 17 Fig 60 Ignition burner GC124 SP 7747100081 00 Zündbrenner GC124 Classic SP US 10 20 30 20 40 50 60 70 50 80 90 50 41 20 30 40 50 60 70 ...

Страница 79: ... 275 95 8 3 5 32 5 4 270 123 3 3 5 Tab 19 Main gas orifice identification and manifold pressure for Natural gas at60 F 30 inch HG These values are only valid in the U S A and only for elevations from 0 8500 ft gültig Boiler size Number of orifices Main gas orifice identification for elevations from feet Gas supply volume in ft3 h Manifold pressure inch W C 0 8500 ft1 18 3 2 180 29 6 8 8 25 4 3 175...

Страница 80: ...W R C S2 S1 R R B1 L1X L2 C2 L1 C B2 L2X G C1 Page 1 2 Wiring diagram gas boiler GC124 USA Intermittent ignition 7230 63046156 Plug Plug PV Intermittent pilot control module S8600H 2006 07 GAW 030 USA Connecting terminals for thermostat Use Red White 2 Aquastat Relay L7148F 2 Burner assembly Terminals on boiler block Main supply power use circuit breaker as required by code 1 Intermittent pilot du...

Страница 81: ...GC124 USA Standing pilot 7230 63046617 Plug 2006 07 GAW 031 USA Connecting terminals for thermostat Use Red White 2 2 Terminals on boiler block 1 Continuous pilot dual Automatic valve combination gas control VR8200 Main valve TR TH 3 2 1 Drwg no Reviewed Edition Wiring diagram green Optional Vent Damper Plug blue yellow black white 120V 24V Transformer 40VA W R C S2 S1 R R B1 L1X L2 C2 L1 C B2 L2X...

Страница 82: ...nance instructions Gas Boiler Logano GC124 II SP Issue 07 2006 We reserve the right to make any changes due to technical modifications Electrical circuit diagrams 19 Fig 63 Wiring Diagram GC124 II Fig 64 Wiring Diagram GC124 SP ...

Страница 83: ...Notes 83 We reserve the right to make any changes due to technical modifications Installation and maintenance instructions Gas Boiler Logano GC124 II SP Issue 07 2006 ...

Страница 84: ... GmbH D 35573 Wetzlar www heiztechnik buderus de info heiztechnik buderus de BBT North America Corporation Bosch Group 50 Wentworth Ave Londonderry New Hampshire 03053 USA Tel 603 552 1100 800 Buderus Fax 603 421 2719 www buderus net ...

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