6304 0309 – 04/2005 US For heating engineers Installation and maintenance instructions Sealed combustion gas boiler Logano GA124 CAUTION! Observe the safety instructions of this installation and maintenance manual before placing the boiler in operation. WARNING! If installation, adjustment, modification, operation or maintenance of the heating system is carried out by an unqualified person, this may result in danger to life and limb or property damage.
Contents 1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1 Correct use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 Observe the following symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.3 Please observe these notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.4 Tools, materials and accessories . . . . . . . . .
Contents 11.3 11.4 11.5 11.6 11.7 11.8 Inspection of the boiler and burner Preparing boiler for cleaning . . . . Cleaning the boiler . . . . . . . . . . Cleaning the burner . . . . . . . . . Troubleshooting . . . . . . . . . . . . Maintenance protocol . . . . . . . . 12 Parts lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 . . . . . . . . . . . . .
1 1 Safety Safety Observe these instructions for your safety. 1.3 The burner and control must be correctly installed and adjusted to ensure safe and economical operation of the gas-fired boiler. 1.3.1 National regulations Read this installation and maintenance manual carefully and note the details on the boiler nameplate before placing the boiler in operation. 1.
Safety WARNING! 1 RISK TO LIFE SYSTEM DAMAGE from explosion of flammable gases. due to unsatisfactory cleaning and maintenance. If you smell gas there is a danger of explosion.. CAUTION! z Never work on gas lines unless you are licensed for this type of work.. z Make sure that a qualified company installs the boiler, connects gas and venting, places the boiler in operation, connects the electrical power, and maintains and repairs the boiler.
1 Safety 1.3.3 Information on the boiler room RISK TO LIFE by poisoning. WARNING! Insufficient ventilation during operation requiring room ventilation may cause dangerous flue gas leaks. Tools, materials and accessories You need standard tools for the installation and maintenance of the boiler as used in heating system installation and oil, gas and water installations. The following additional items will also be useful.
Product description 2 2 Product description The boiler is a low temperature gas-fired boiler. 4 USER NOTE 5 The boiler is fully functional with the factory-installed aquastat. The Logamatic 2107 control can also be installed in addition to the factory-installed aquastat.
3 Dimensions and connections 3 Dimensions and connections 2 1 GAS VK RK Fig. 2 1 2 EL Back, side and front view, measurements in inches Combustion air line connection Flue gas line Connections (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.
Scope of delivery 4 4 Scope of delivery z Check packaging on delivery for damage. z Check delivery for completeness. Component Boiler, complete B-kit components: - supply manifold - 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 - technical documents Tab.
5 5 Moving the boiler Moving the boiler This chapter describes how to move the boiler safely, SYSTEM DAMAGE due to bumps. CAUTION! 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 fashion. 5.
Moving the boiler 5 z Remove the straps and the cardboard packaging. z Remove the bolts from 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. 5.2 Fig. 5 Moving the boiler Fig. 6 Lifting and carrying the boiler Lifting and carrying the boiler The boiler can be picked up at the hand grips shown. RISK OF INJURY due to carrying heavy loads.
6 6 Placing the boiler Placing the boiler This chapter explains how to place the boiler and position it in the boiler room. SYSTEM DAMAGE through frost. CAUTION! z Place the boiler in a frost-free room. This boiler is approved for installation in enclosed rooms, such as storage rooms. The boiler is very heavy when full. Check that the floor can bear the weight before installation. 6.
Placing the boiler 6.2 6 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 We reserve the right to make any changes due to technical modifications.
7 7 Boiler installation Boiler installation This chapter describes how to install the boiler. This includes the following tasks: – Connecting 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.
Boiler installation 7.2 7 Heating circuit connection BOILER DAMAGE through moisture. CAUTION! 3 z Protect the components of the gas ignition system from moisture (dripping, spray, rain) during installation of the boiler, during operation and during maintenance work (such as replacing the pump, replacing the control, etc.). SYSTEM DAMAGE CAUTION! 2 1 due to overheating as a result of low water.
7 Boiler installation Installation of B-kit 2 3 1 The relief valve and the pressure/temperature gauge are mounted on the boiler supply VK over the supply manifold (included in B-kit). z Seal 90° 1" NPT elbow on VK. z Seal supply manifold on 90° 1" NPT elbow. The supply manifold can be mounted vertically or rotated 90° to the right. 4 z Seal temperature/pressure gauge on supply manifold. USER NOTE Install the relief valve after the leak test (Î Chapter 7.7, page 32).
Boiler installation 7.3 7 Electrical connection The electrical connections of the boiler must be manufactured as specified by the local codes and the current regulations of the National Electrical Code, ANSI/NFPA–70. In Canada the regulations of CSA C 22.1 Canadian Electrical Code, 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.
7 7.4 Boiler installation Installation of Logamatic 2107 control (optional accessory) The boiler is fully functional with the factory-installed aquastat. The Logamatic 2107 control can also be installed in addition to the factory-installed aquastat.
Boiler installation 7 2. Lift the back boiler jacket and remove to the back. Fig. 12 Removing boiler jacket Fig. 13 Removing terminal cover 3. Slide the insertion 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. 1 7. Fasten control with sheet-metal screws. 8.
7 Boiler installation Installation of Logomatic boiler water sensor 9. Trace boiler water sensor wiring under the front boiler cover to the measuring point (immersion well). 2 3 10. Pull sensor clip from the head of the immersion well. 11. Pull existing sensor packet from the immersion well. 12. Replace a quadrant segment (blank) with the boiler water sensor of Logamatic 2107. 1 13. Insert entire sensor packet fully into the immersion well to the stop. 4 14.
Boiler installation 7 Installing panel components 17. Swivel display unit to the desired position. USER NOTE We recommend positioning the display unit straight on combinations with an L-tank. Fig. 17 Swivel display unit Fig. 18 Positioning terminal cover Fig. 19 Installing rear boiler cover 18. Position terminal cover and screw 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.
7 Boiler installation 7.5 Fuel supply connection 7.5.1 Gas connections For the gas pipe diameter required for the installation please see Tab. 4 and Tab. 5. Make sure that the pipe fitting has the correct thread size. 1 Make sure that a sediment trap is installed at the inlet for the gas supply pipe to the boiler. A gas shut-off must be installed outside the boiler jacket if required by the local code. We recommend installing a gas shut-off in the main gas pipe to the boiler.
Boiler installation 7 If the gas supply pipe system is pressure tested at a test pressure of 1/2 psi or less, it is sufficient to disconnect the boiler from the pipe system by closing the stop valve. z The boiler and its gas connections must be tested for leaks before placing it into operation, (Î Chapter 9, page 36). Use only sealant that is resistant to corrosion by LPG for pipe connection. Only a small amount of sealant must be applied to the external thread of the pipe connections.
7 Boiler installation 7.6 Installation of flue system The boiler system as delivered includes the wall connection for horizontal flue systems. Flue systems from the following manufacturers can be installed for the flue and combustion air lines: Manufacturer heat fab O-flex-L Pro Tech Z-Flex Tab.
Boiler installation 7 7.6.1 Installation of the wall penetration of a horizontal flue systems Please read the following instructions and information on the installation of the wall penetration carefully and note the safety instructions. The wall penetration must 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.
7 Boiler installation z Install flue pipe in the wall penetration so the termination tee on the flue pipe extends 10 inches beyond the front edge of the wall penetration.. 3" z Attach the flue pipe to the wall penetration with the two securing clips. Rotate the securing clips down and attach with the screws (Î Fig. 24). 1 11" z Seal gap (Î Fig. 24) with silicone. Make sure that the flue system termination tee through the side wall of a building is at least 12 inches above the ground.
Boiler installation 7 7.6.2 Installation of the wall penetration of a vertical flue systems USER NOTE The vertical flue system requires the flue pipe and concentric pipe with roof penetration from Heat-fab, SAF-T vent. Please contact Buderus to select the required flue system components. 1 2 3 You must follow the directions for installation of the flue venting in all parts of the flue system, particularly the assembly instructions of the flue system manufacturer.
7 Boiler installation 7.6.3 Installation of the flue and combustion air pipe Installation of the flue pipe (Î Fig. 27) at the boiler z Install condensation trap. 3 4 USER NOTE A condensation trap must always be installed at the flue vent. 2 z Position silicone strip approx. 1/4" wide on the boiler intake (500 ° F-resistant silicone, use G. E. 106 or similar). z Attach condensation trap to boiler connection (see arrow) and secure with the included hose clamp.
Boiler installation 7 RISK TO LIFE by poisoning by leaking flue gas. WARNING! 4 4 z Connect the flue system to one boiler only. 1 z Connection of another boiler may cause serious injury or death. z The flue pipes must not be routed into another vent. In addition, the pipes of the flue system must not be routed through another vent or inside another vent, such as with an existing brick or factory-manufactured chimney lining.
7 Boiler installation 7.6.4 Adjusting the combustion air baffle Note the following when calculating the total flue pipe length or combustion air pipe length. – 1 x 90° elbow corresponds to 10 ft of pipe. – 2 x 45° elbows correspond to 10 ft of pipe. – If the combustion air pipe is longer than the flue pipe, the combustion air baffle is adjusted depending on the total length of the combustion air pipe.
Boiler installation 7 Adjustment for horizontal flue system independent of room air Combustion air supply through combustion air pipe or flexible combustion air hose from outside. Boiler size Adjustment dimension X of the combustion air baffle depending on the length (feet) of the horizontal flue pipe/combustion air pipe up to 12 feet up to 20 feet up to 30 cm up to 40 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.
7 Boiler installation Adjustment for vertical flue system independent of room air Combustion air supply through combustion air pipe or flexible combustion air hose from outside. Boiler size Adjustment dimension X of the combustion air baffle depending on the length (feet) of the vertical flue pipe/combustion 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 1 Tab. 10 Rigid combustion air pipe 3" as per Fig.
Boiler installation 7 Carry out the leak test at 1.5 times the normal operating pressure and as specified by the local codes as follows: Maximum operating pressure Maximum construction site test pressure 30 psi (with the included relief 45 psi valve) 58 psi (with a different relief valve) 75 psi Tab. 12 Test pressures z Close connection for relief valve (Î Fig. 10, page 16) and all other open connections with plugs. z Disconnect the expansion tank from the system by closing the cap valve.
8 8 Openings for combustion air supply and venting Openings for combustion air supply and venting BOILER DAMAGE AND OPERATING FAULTS due to missing or inadequate openings for CAUTION! 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 (operation from room air) or directly to the boiler through ducts (operation independent of room air).
Openings for combustion air supply and venting 8 Total air supply from outside the building Make sure that the boiler room has two permanent openings, one of which must not be more than 12 inches from the ceiling and the other must not be more than 12 inches from the floor of the boiler room, calculated from the outer edge of the opening.
9 9 Placing the heating system in operation Placing the heating system in operation The gas burner and gas fittings unit integrated in the boiler have been tested in the factory as described in detail in ANSI Z 21.13 and CGA 4.9 to ensure safe operation of the heating system and to test specific performance indicators. RISK TO LIFE WARNING! due to electrical current when the unit is open.
Placing the heating system in operation 9 Carrying out leak test 5. Open gas valve in the gas line. 6. Check the gas connection line to the gas fitting (Î Fig. 36) for leaks with soap solution. If no leaks are found, continue with step 8. If any leaks are found, close gas valve. 7. Seal leaks and repeat step 6. 8. Close main gas shut-off. Remove the screw plug for the gas pressure measuring port on the gas valve. Install pressure measuring nipple and attach a pressure gauge to measure the gas pressure.
9 9.1 Placing the heating system in operation Start-up instructions Read the instructions before start-up for your safety. RISK TO LIFE due to not observing the start-up instructions and resulting incorrect WARNING! operation. z If these instructions are not followed exactly, a fire or explosion may be caused with serious property damage or loss of life or serious injury. z Observe the start-up instructions. DANGER OF EXPLOSION WARNING! If you smell gas there is a danger of explosion.. z No open flame.
Placing the heating system in operation 9.2 9 Making boiler ready for operation STOP! First read the safety instructions on Î page 36 of this manual. 1. Carry out leak test (Î page 7). Wait five (5) minutes until all gas residues have dissipated. Finally 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 36 of this manual. If there is no sign of a gas odor, continue with the next step. 2.
9 Placing the heating system in operation 9.2.2 Placing heating system with Logamatic 2107 (accessory) in operation The boiler is fully functional with the factory-installed aquastat. The Logamatic 2107 control can also be installed in addition to the factory-installed aquastat. Turn on the heating system with the ON/OFF switch on the control. The burner starts operating if heat is required (Î observe control service manual). 5. Make sure that heat is required at the control.
Placing the heating system in operation 9 8. Turn gas valve ON/OFF switch counterclockwise to ON position. 2 3 9. The automatic igniter must generate sparks towards the pilot burner. The pilot flame must appear and then ignite the main burner. If the main burner does not ignite, close the gas valve. Disconnect heating system from the power supply and inform your customer service technician or LP gas company. 10. If the main burner has ignited, the gas valve must be checked for leaks with soap solution.
9 Placing the heating system in operation 15. Observe ignition flame through the sight glass (Î Fig. 39, page 40) in the burner housing. 1 16. The flame must envelope the flame guard 1/2 to 1 1/2 inches. If this is the case continue with step 20. 17. If the ignition flame is too small or too large, the pressure for the pilot burner must be adjusted with the corresponding adjustment screw. USER NOTE 2 The adjustment screw is behind the ignition gas pressure adjustment safety screw (Î Fig. 40, page 41).
Placing the heating system in operation 9 25. Turn gas valve ON/OFF button clockwise to OFF position. 26. Close main gas shut-off. 27. Disconnect heating system from the power supply and set the thermostat to the lowest setting. 28. 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. 29. Repeat steps 1 to 10 (depending on the control) and 20 to restart the heating system.
9 9.4 Placing the heating system in operation 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 Fig. 44 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. 1 Fig.
Placing the heating system in operation 9.5 9 Instruct owner/operator and hand over technical documentation Inform 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. SYSTEM DAMAGE CAUTION! due to frost. The heating system may freeze in frosty conditions if the control is not switched on.
9 9.6 Placing the heating system in operation Start-up protocol Please check off the start-up work as it is completed and record the measured values in the table. Start-up work Remarks or measured values 1. Type of gas 2. Check combustion air, inlet and outlet openings and flue gas connection 3. Check the unit fittings (correct orifices?, Î Tab. 14 below) and convert gas type if necessary 4. Fill boiler with water and bleed complete heating system 5.
Taking the boiler out of operation 10 10 Taking the boiler out of operation 10.1 Normal boiler shut-down 1. With the aquastats: Switch off main switch ("OFF" position). This shuts down the boiler with all components (e.g. burner). 2. Additional shut-down procedure Î follow the directions for the aquastats. 1 Fig. 46 1 Shutting down heating system (with aquastat) ON/OFF switch 3. Logamatic 2107 control (accessory): Switch off ON/OFF switch on control ("0" position).
11 Boiler inspection and maintenance 11 Boiler inspection and maintenance 11.1 Why is regular maintenance important? Heating systems require regular maintenance for the following reasons: – To maintain high efficiency operation and to operate the heating system economically (low fuel consumption). – To sustain safe operation. – To maintain combustion at an environmentally friendly level. All maintenance work must be carried out by a qualified customer service technician only.
Boiler inspection and maintenance 11 11.4 Preparing boiler for cleaning 1. Take the boiler out of operation (Î Chapter 10.1, page 47). RISK TO LIFE from electric shock. WARNING! z Before opening a unit: disconnect electrical power completely and lock to prevent accidental reconnection. 2. Remove front panel of boiler (Î Fig. 35, page 36). RISK TO LIFE from explosion of flammable gases. WARNING! z Never work on gas lines unless you are licensed for this type of work.. 3.
11 Boiler inspection and maintenance 11.5 Cleaning the boiler The boiler can be cleaned with brushes and/or by wet cleaning. Cleaning tools are available as accessories. 11.5.1 Cleaning the boiler with brushes Remove burner: RISK TO LIFE from electric shock. WARNING! 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.
Boiler inspection and maintenance 11 3. Disconnect pilot gas line from gas valve. 4. Disconnect ignition cable from ignition module. 5. Attach gas supply line to burner control holder with wire or string. 7 6. Remove screws (Î Fig. 50) between gas valve and burner box. Place the gas connection pipe gasket in a safe place. 8 6 5 7. Label connection lines of flame roll-out switch and disconnect from the switch. 9 10 4 3 2 1 Fig.
11 Boiler inspection and maintenance Removing venting fan 12. Remove rear boiler jacket. Fig. 51 Removing rear boiler jacket 13. Slide fan manifold into the venting adapter in the direction of the arrow to the stop. 14. Pull off connecting hose for differential pressure connection on measuring points on fan. 15. Disconnect electrical wiring. 3 16. Unscrew the four screws of the fan retainer panel. 17. Lift fan with retainer panel slightly and remove. 2 18.
Boiler inspection and maintenance 11 23. Cover control with foil to prevent entry of spray into the control. 24. Ventilate boiler room well. 25. Place cloths on the floor insulation to catch excess spray. 26. Spray flue gas vents evenly with the cleaning agent. 27. Assemble and 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. 28.
11 Boiler inspection and maintenance 11.6 Cleaning the burner 1. Remove burner (Î page 50). 1 2 2. Check burner rods for dirt. If necessary, clean burner as described below. 3. Unscrew pilot burner unit from burner. 4. Disconnect pilot gas line from ignition burner unit. 5. Remove pilot gas orifice and blow out. 6. Immerse burner rods in water with cleaning agent and brush off. 3 USER NOTE Make sure that the insulation on the burner shield does not get wet. 7.
Boiler inspection and maintenance 11 11.7 Troubleshooting Equipment required: Wiring diagram page 81 and voltage detectors for 120 VAC and 24 VAC. Start • 120 V input voltage at N and L at connector X1? Close main gas valve. Switch on power. LED on aquastat on continuously. No If not: check power supply. • 120 V input voltage at L1/L2 and L1X/L2X on aquastat? If not: check wiring. If the wiring is OK: replace aquastat. • 24 V voltage at plugs C and R on aquastat? If not: check wiring.
11 Boiler inspection and maintenance Ignition sparks visible between ignition electrode and flame guide. No Check S 8600 H automatic igniter. • Check 24 V voltage at terminals 3 and 4 (power supply to S 8600 H automatic igniter) of the terminal on boiler block. If not: • Check wiring between terminal on boiler block and S 8600 H automatic igniter. • Check ignition wiring, ceramic insulator of ignition electrode and ignition gap, adjust if necessary.
Boiler inspection and maintenance Ignition spark stops as soon as ignition flame burns. No 11 Check S 8600 H automatic igniter. • Check ignition wiring and ground for continuity. • Check ignition electrode. • Check electrical connections between ignition electrode and automatic ignition. • Check whether the ceramic insulator in the ignition electrode is broken. • Check that the ignition flame surrounds the electrode and burns steadily with a bluish flame. Adjust ignition flame.
11 Boiler inspection and maintenance Room thermostat (control) signals heat requirement Fan starts. START PHASE 1 Ignition attempt Ignition spark generator operates • ignition gas valve opens. Ignition burner operation Ignition flame burns, S 8600 H or ignition flame does not burn, S signals steady ignition flame 8600 H starts ignition attempt, switches off after 90 seconds. With steady ignition flame • ignition spark generator stops. • main gas solenoid valve opens.
Boiler inspection and maintenance 11 11.8 Maintenance protocol Please check off the maintenance work as it is completed and record the measured values. Follow the instructions on the following pages. Maintenance work Page Date: Date: 1. Inspection of the flue system including 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.
11 Boiler inspection and maintenance 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 We reserve the right to make any changes due to technical modifications.
Parts lists 12 12 Parts lists The following spare parts are available for Buderus heating systems. If there are more than one Buderus article numbers at one item number, these numbers are listed in the columns corresponding to the various models. In other cases the number of components is shown. Boiler block (Î Fig. 56) Item no.
12 Parts lists 10 60 60 50 50 110 100 40 90 80 20 120 30 70 Fig. 56 Boiler block We reserve the right to make any changes due to technical modifications.
Parts lists 12 Boiler jacket (Î Fig. 57) Item no. Description Buderus article number Model 17 Quantity/ model Model 23 Quantity/ model Model 30 Quantity/ model 5 Logano GA124 nameplate 63013607 1 1 1 10 GA124 front panel 63016428 1 1 1 15 Stop bolt 4 4 4 17 Stop socket 4 4 4 20 Plug-in fuse 2 2 2 22 Sheet metal screw ST3.9x13 A3T 2 2 2 30 Side panel left/right GA124 63016425 2 2 2 35 Panhead screw ST3.9x9.
12 Parts lists 45 50 80 15 40 90 120 70 60 30 100 110 17 5 35 15 17 35 20 22 10 30 Fig. 57 Boiler jacket We reserve the right to make any changes due to technical modifications.
Parts lists 12 Boiler block – attachment parts (Î Fig. 58) Item no. Description 10 Boiler rail front 15 Boiler rail rear Buderus article number Model 17 Model 23 Model 30 Quantity/model Quantity/model Quantity/model 9038 156 1 1 1 63015479 1 1 1 see Mounting material Boiler block 4 4 4 50 Hex screw M8x12 60 Foot M10x51 5871596 4 4 4 70 Spacer DN 8x8 5176 794 4 4 4 80 Distance pin M8x63.5 475485 2 2 2 4 4 4 4 4 4 110 Snap nut 4.8 120 Sheet metal screw ST4.
12 Parts lists Boiler block – attachment parts (Î Fig. 58) Item no. Description Buderus article number Model 17 Model 23 Model 30 Quantity/model Quantity/model Quantity/model 260 Sealing ring D41.7x55x1.
Parts lists 12 160 150 185 232 233 215 (232) 160 240 135 141 231 210 185 142 160 180 185 153 140 130 120 290 143 151 144 270 260 290 110 151 152 290 80 50 110 50 60 70 15 70 60 50 60 10 50 260 60 280 Fig. 58 Boiler block – attachment parts We reserve the right to make any changes due to technical modifications.
12 Parts lists Switch box (Î Fig. 59) Item no. Description Buderus article number Model 17 Quantity/model Model 23 Quantity/model Model 30 Quantity/model 63015739 1 1 1 1 1 1 5 5 5 63015750 1 1 1 see Mounting material GAW 027 US 10 10 10 - 1 1 1 63015742 1 1 1 10 Switch box GAW 027 00 "US" 20 Terminal bar 4 mm2 4-pin 30 Sheet metal screw F ST3.5x16 A3K 40 Relay 24V AC 1xS 120V AC/15A 50 Sheet metal screw F ST3.5x6.
Parts lists Fig. 59 12 Switch box We reserve the right to make any changes due to technical modifications.
12 Parts lists Housing for burner (Î Fig. 60) Item no. Description Buderus article number Model 17 Quantity/ model Model 23 Quantity/ model Model 30 Quantity/ model 63015665 1 1 1 See burner mounting set 1 1 1 6301- 5561 5562 5563 5947 754 14 16 16 See housing gasket set 1 1 1 10 Flame guard 128 °C compl. (with screws) 20 Screw C M4x16 ST A3K 30 Housing cover CE124 compl. "US" with gasket, view glass and screws 40 Panhead screw ST3.9x9.
Parts lists Fig. 60 12 Housing for burner We reserve the right to make any changes due to technical modifications.
12 Parts lists Gas fitting group VR 8204 H (Î Fig. 61) Item no. 10 10 Description Pipe section compl. 151 lg AE124X/CE124X "US" for 3 and 4 sections Pipe section compl. 241 lg AE124X/CE124X "US" for 5 sections Buderus article number Model 17 Quantity/ model Model 23 Quantity/ model Model 30 Quantity/ model 5176 736 1 1 – 5176 737 – – 1 2 2 2 6 6 6 See burner mounting set See burner mounting set 20 Screw 8x32x1¼ 30 Screw 8x32x½ 40 Fittings VR8204H 1006 ½" NPT compl.
Parts lists Fig. 61 12 Fitting group VR 8204 H We reserve the right to make any changes due to technical modifications.
12 Parts lists Ignition burner (Î Fig. 62) Item no. Description Buderus article number Model 17 Quantity/ model Model 23 Quantity/ model Model 30 Quantity/ model 63015767 1 1 1 1 1 1 1 1 1 Ignition burner Q3451 E compl.
Parts lists Fig. 62 12 Ignition burner We reserve the right to make any changes due to technical modifications.
12 Parts lists Burner grate (Î Fig. 63) Item no. Description 10 Burner grate CE124 compl. with main gas nozzle "US" 20 Sealing ring 13x18x1.5 mm Buderus article number Model 17 Quantity/ model Model 23 Quantity/ model Model 30 Quantity/ model 6301- 5516 5517 5518 5883 094 2 3 4 5484 392 2 - - 5484 380 - 3 4 6301- 5528 5529 5530 The main gas nozzles are suitable for operation at altitudes between 0 and 8500 feet.
Parts lists Fig. 63 12 Burner grate We reserve the right to make any changes due to technical modifications.
12 Parts lists USER NOTE The complete burner is supplied only in the model for natural gas G20 for 08500 feet. If a different model of burner is wanted, the corresponding gas conversion parts must be included in the order. The replaced parts must remain with the heating system for a possible future reconversion. Specifications Gas burner CE124 (Î Fig. 64) Item no.
Parts lists Fig. 64 12 Gas burner CE124 We reserve the right to make any changes due to technical modifications.
13 Specifications 13 Specifications Main gas orifice identification and rated orifice pressure for natural gas Boiler size Number of nozzles 17 23 30 Main gas orifice identification for altitudes [feet] 0–8500 ft1) 8501–12000 ft2) 265 250 250 260 245 245 2 3 4 Rated manifold pressure [in. W.C.] 3.6 3.6 3.5 Tab.
Wiring diagrams 14 14 Wiring diagrams Fig. 65 Wiring diagram – Model GA124 We reserve the right to make any changes due to technical modifications.
14 Fig. 66 Wiring diagrams Wiring diagram – Model GA124 We reserve the right to make any changes due to technical modifications.
Wiring diagrams Fig. 67 14 Wiring diagram – GA124 with Logamatic 2107 or Logamatic 2109 control We reserve the right to make any changes due to technical modifications.
(EATING #ONTRACTOR PRODUCTS MANUFACTURED BY BBT Thermotechnik GmbH 35573 Wetzlar www.buderus.de BBT North America Corporation 50 Wentworth Avenue Londonderry, NH 03053 Tel: 603-552-1100 ● Fax: 603-584-1681 www.buderus.net BBT North America Corporation reserves the right to make changes without notice due to continuing engineering and technological advances.
