7215 0200 – 10/2007 US/CA (en) For registered installers Installation instructions Condensing gas boiler Logamax plus GB142-24/30/45/60 CAUTION! Before putting the boiler into operation read this manual carefully. WARNING! Improper installation, adjustment, alteration, service or maintenance can cause injury, loss of life or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier.
Preface About these instructions These Installation Instructions contain important information for the safe and professional installation, start-up and maintenance of the boiler with boiler capacities 24, 30, 45 and 60 kW. These Installation Instructions are intended for professional installers, who have the necessary training and experience for working on heating and gas systems.
Contents 1 Safety and general instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 1.2 1.3 1.4 1.5 1.6 Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Hazard definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents 10.3 Configuring the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 10.3.1 Adjusting the heating capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.3.2 Setting the DHW temperature value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.3.
Safety and general instructions 1 1 Safety and general instructions Please observe these instructions in the interest of your own safety. 1.3 1.1 – The boiler must only be used for its designated purpose, observing the Installation Instructions. – Only use the boiler in the combinations and with the accessories and spares listed.
1 Safety and general instructions – If you find any defects, you must inform the owner of the system of the defect and the associated hazard in writing. 1.4 Observe these instructions for space heating water Unsuitable heating system water can promote the formation of scale or sludge, which affects system efficiency. It can also cause corrosion and reduce life of the heat exchanger. DANGER if flammable gas explodes.
Regulations and guidelines 2 2 Regulations and guidelines The installation must conform to the requirements of the authority having jurisdiction or, in the absence of such requirements, to the latest edition of the National Fuel Gas Code, ANSI Z223.1. In Canada, installation must be in accordance with the requirements of CAN/CSA B149.1, Natural Gas and Propane Installation Code.
3 Product description 3 Product description 7 6 8 7 6 9 10 11 5 8 4 9 10 11 5 12 4 13 12 3 3 2 2 9 9 1 14 15 16 1 Fig. 1 Logamax plus GB142-24/30 (left) and GB142-45/60 (right) pos. 1: Drawer with control unit pos. 2: Universal Burner Automat (UBA3) pos. 3: Control unit BC10 pos. 4: Gas valve pos. 5: Cover pos. 6: Flue measuring points pos. 7: Parallel flue pos. 8: Burner 2 3 4 110 100 90 5 110 120 Fig. 2 pos. 1: pos. 2: pos. 3: pos. 4: pos. 5: pos. 6: 15 13 16 pos.
Dimensions and connections Dimensions and connections 6.2" (158 mm) 22" (560 mm) 4.7" (119 mm) A 7.5" (190 mm) 13.2" (335 mm) 4.3" (110 mm) 3" (75 mm) F G 3" (75 mm) D E 6" (150 mm) 18.7" (475 mm) 16" (420 mm) 6" (150 mm) 1.8" (46 mm) B C 2.2" (55 mm) 28" (712 mm) 0.25" (6 mm) 3" (75 mm) 12" (300 mm) 1.2" (30 mm) 20" (500 mm) 4" (100 mm) 4 4 > 6" (150 mm) > 4" (100 mm) Fig.
Dimensions and connections 6.2" (158 mm) 13.2" (335 mm) 28" (712 mm) 0.25" (6 mm) 7.5" (190 mm) 4.7" (119 mm) 12" (300 mm) 35.4" (900 mm) 4.3" (110 mm) A B 9.7" (246 mm) C 16" (420 mm) 1.2" (30 mm) 20" (500 mm) 4" (100 mm) 4 D E F G 20.7" (526 mm) 3" (75 mm) 18.7" (475 mm) 3" (75 mm) 2.2" (55 mm) 1.8" (46 mm) > 6" (150 mm) > 4" (100 mm) Fig. 4 Dimensions and connections for boiler GB142-45/60 (dimensions in inches) LA (B) = Air intake AA (A) = Combustion air RK (G) = Return, Ø 1.
Packaging and transportation 5 Packaging and transportation 5.1 Scope of delivery The boiler is delivered fully assembled. 5 2 z When receiving the delivery, check if the packaging is intact. 1 z Check that all the items listed in see table 1 are included in the delivery. 3 5.2 4 9 Transporting the boiler CAUTION The boiler may be damaged when it is improperly secured.
6 Installation 6 Installation 6.1 Requirements for the installation room DANGER – Install the heating system in a frost-free room. – Do not store any flammable materials or liquids in the immediate vicinity of the boiler. – Never use any chlorinated detergents or halogenated hydrocarbons (e. g. in spraycans, solvents and detergents, paints, adhesives). – Do not allow too much dust to collect on the boiler. 6.
Installation 6 z Use the radiator key to unlock the two latches a quarter turn (fig. 7, pos. 1). 2 3 z Open the latches (fig. 7, pos. 2). 2 z Remove the casing by lifting it upwards and then pulling it forwards (fig. 7, pos. 3); do not hold the casing by the latches. 1 z Hold the boiler by the rear boiler casing and place it on the wall bracket. z Level out the boiler. 2 2 Fig. 7 6.
6 Installation Steel pipe diameter in inches Equivalent length for Pipe Fittings in feet Type of pipe fitting 90°-Elbow Tee Gate valve Gas cocks (flow thru branch) Equivalent length in feet ¾ 2.1 4.1 1.25 1 2.6 5.2 0.6 1.60 1¼ 3.5 6.9 0.8 2.15 1½ 4.0 8.0 0.9 2.50 Table 3 6.4 0.
Installation Piping examples FLUE GAS 6 AIR INTAKE The following illustrations are two Installation examples. NOTICE The following illustrations are simplified conceptual illustrations only. GB142 Piping and field components must be field verified. pump manifold z A hot water boiler installed above radiation level or as required by the Authority having jurisdiction, must be provided with a low water cutoff device either as a part of the boiler or at the time of boiler installation. 5 1 Fig.
6 Installation WARNING AIR INTAKE FLUE GAS No valve is to be placed between the relief valve and the tank. Discharge of the relief valve must be conducted to a suitable place for disposal when relief occurs and no reducing coupling or other restriction may be installed in the discharge line. GB142 1 Optional Additional DHW DHW Tank Tank 2 PT 3 9 4 5 6 zones Radiant 7 Aditional zones 8 Fig. 11 pos. 1: pos. 2: pos. 3: pos.
Installation 6.5 6 Combustion Air and Ventilation Openings Provisions for combustion and ventilation air must be made in accordance with section 5.3, Air for Combustion and Ventilation, of the National Flue Gas Code, ANSI Z223.1, or Sections 7.2, 7.3 or 7.4 of CAN/CGA B149, Installation Codes, or applicable provisions of the local building codes. CAUTION: BOILER DAMAGE AND OPERATIONAL FAILURES ! Due to insufficient or lacking openings for combustion air and/or ventilation of the boiler room.
6 Installation DANGER: FIRE DANGER ! due to flammable materials or liquids. – Do not store flammable materials and liquids in the immediate vicinity of the boiler. All Air from Inside the Building (room air) The closet shall be provided with two permanent openings communicating directly with an additional room(s). The total input of all gas utilization equipment installed in the combined space shall be considered in making this determination.
Installation 6.6 6 Installation of the flue gas adapter (included in the scope of delivery) Before installing the exhaust and air intake system, it is necessary to remove the transport safety device and to install the flue gas adapter. NOTICE The transport safety device has been installed to prevent unwanted movement of the heat exchanger during transport. z Remove the transport safety device with the two screws (see fig. 13). Fig. 13 Removing the transport safety device Fig.
6 6.7 Installation Installation of the Exhaust and Air Intake system. NOTICE: Consult local and state codes pertaining to special building code and fire department requirements. Adhere to national code requirements. NOTICE: Observe the listed maximum lengths of vent system, which are boiler model dependent. The maximum permissible lengths are listed in see table 4, page 25. An optional concentric vent/air intake body (see fig.
Installation 6 All vent pipes must be glued, except for the flue gas adapter (fig. 15, pos. 1) which is screwed into place and the first connection to the flue gas adapter (fig. 15, pos. 2). Installed you can slide the pipe onto the adapter, properly supported and the exhaust pipe must be pitched a minimum of a ¼ inch per foot back to the boiler. This allows the condensate to drain away.
6 Installation (305 mm) (1220 mm) 4' 3' 3' (1220 mm) (915 mm) (1220 mm) Forced Air Inlet at least 1 ft (305 mm) above grade and snow line Fig.
Installation 6 10"- 0" MIN (250 mm - 0 mm MIN) 12" (300 mm) OVER MAXIMUM SNOW LEVEL OR 24" (600 mm) WHICHEVER IS GREATER 3" (80 mm) INTAKE EXHAUST INTAKE EXHAUST 3" (80 mm) 3" (80 mm) Fig. 20 Vertical parallel venting system (sealed combustion) - Situation 1 Fig. 19 Horizontal venting system (room air only) Situation 1 10"- 0" MIN (250 mm - 0 mm MIN) 12" (300 mm) OVER MAXIMUM SNOW LEVEL OR 24" (600 mm) WHICHEVER IS GREATER INTAKE 3" (80 mm) EXHAUST EXHAUST INTAKE 3" (80 mm) 3" (80 mm) Fig.
6 Installation 10"- 0" MIN (250 mm - 0 mm MIN) 12" (300 mm) OVER MAXIMUM SNOW LEVEL OR 24" (600 mm) WHICHEVER IS GREATER 12" (300 mm) minimum 12" 12" (300 mm) (300 mm) minimum minimum EXHAUST 12" (300 mm) minimum INTAKE 3" (80 mm) min. 12" 3" (80 mm) INTAKE 12" (300 mm) minimum 3" (80 mm) EXHAUST Fig. 24 Vertical venting system (room air only) Fig.
Installation 6 Do not exceed the total equivalent venting length of 100 feet (30,480 mm) (GB142-24/30/45) and 60 feet (18,288 mm) (GB142-60) maximum requirement each for the intake and exhaust piping. See table 4 for the Friction Loss Equivalent in piping and fittings. Fittings or Piping feet m Example: When you end up using 3 x 45°-elbows and the concentric vent kit, then the total venting length may not exceed 88 feet (26.82 m) (GB142-24/30/45) or 48 feet (14.63 m) (GB142-60). 45 degree elbow 3 0.
7 7 Connecting the condensate drain Connecting the condensate drain NOTICE The condensate must be drained from the boiler and from the flue in accordance with the applicable rules and regulations. No condensate drain is integrated into the boiler. It is required to install the furnished 3” x ¾” drain tee as an external condensate drain. See fig. 27. Install this drain tee as close as possible to the boiler exhaust connection.
Electrical connections 8 8 Electrical connections Devices such as pumps, outdoor sensor and 3-way valve are all connected to the external connection board. The electrical connections to the boiler must be made in accordance with all applicable local codes and the latest revision of the National Electrical Code, ANSI/NFPA-70 Installations should also conform with CSA C22. 1 Canadian Electrical Code Part 1 if installed in Canada. 8.
8 Electrical connections EV terminal (external switching contact) This terminal can be used for example for the safety switch of floor heating. This protects the floor heating against too high boiler water temperatures (external manual reset high limit). The boiler is shut down when the external switching contact is opened. The normally closed contacts of a LWCO will shut down burner operation but allow the pump to continue to operate in case of a low water condition.
Electrical connections 8 CAUTION Label all wires prior to disconnection when servicing. Wiring errors can cause improper and dangerous operation. N Grid L 14 L 25 External 3-way valve External switch contact Potential-free e.g. for floor heating DHW sensor On/Off temperature control, potential-free Outdoor-temperature sensor Modulating room controller Boiler circulator 120 VAC, max.
9 9 Start-up procedure Start-up procedure There are several steps involved in starting up the boiler. FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand, B.
Start-up procedure 9.1 9 Testing for gas leaks Prior to start-up of the boiler you must check the external tightness of the gas supply valve and confirm this in the start-up report. WARNING – Cover endangered positions before leak testing. – Do not spray the leak testing agent onto cables, plugs or electrical connection lines. Do not allow it to drip onto them either. DANGER Leaks may be caused to pipes and screw connections during commissioning and maintenance activities. – Carry out a proper leak test.
9 Start-up procedure For first time start up it is necessary to set the DHW temperature knob and the space heating water temperature knob to the desired setting (see subsection 10.3.2 and 10.3.3). Factory setting is "0". 110 110 100 90 120 90 130 130 150 170 140 190 WARNING There is a hot water scald potential if the BC10 is set too high. 9.3 Filling the condensate trap z Make sure that you fill the condensate trap with water. This is to prevent exhaust gases from entering the room.
Start-up procedure 9.6 9 Checking the orifices CAUTION The burner must only be commissioned if the correct orifices are fitted (see table 6). z Convert the burner fitting to another gas type if required (see chapter 14 "Converting the boiler to propane", page 52). 9.7 Inlet gas pressure z Open at least one thermostatic radiator valve if present to allow water to flow through the boiler. Do not switch on the boiler.
9 Start-up procedure z Measure the gas connection pressure as soon as the "Burner" LED lights and enter this value in the start-up report. The inlet gas pressure must be: – for natural gas - min. 3.5 to 10.5 inch W.C (8.7 to 26.1 mbar), nominal supply pressure 7.0 inch W.C. (17,4 mbar) – for LPG - min. 8.0 to 13.0 inch W.C. (19.9 to 32.3 mbar), nominal supply pressure 11.0 inch W.C. (27.4 mbar). z Repeatedly press the "Service" e button until the temperature indication is displayed.
Start-up procedure 9 z Press the "Chimney Sweep" d button and hold it (for approx. two seconds) until the display shows the decimal point. z Press and hold the "Chimney Sweep" d and "Service" e buttons (for approx. five seconds) until the display shows "Lxx" (e. g. L80). + z Set the boiler to partial load "L30" by pressing the "Chimney Sweep" d button (higher values) or the "Reset" c button (lower values). = higher values = lower values z Read out the differential pressure.
9 9.9 Start-up procedure Carrying out a leak test in operating conditions z Check all gaskets and joints in the burner gas circuit for leaks while the burner is operational, using a foaming agent. DANGER Leaks may be caused to pipes and screw connections during start-up activities if flammable gas explodes. – Only use approved leak detection agents for leak detection such as a soapy water solution. CAUTION due to a short circuit. – Cover damageable parts before leak testing.
Start-up procedure 9 9.12 Measuring the ionization current z Switch off the heating system using the main switch. z Disconnect the plug and socket connection of the monitoring cable and connect the measuring device in series (fig. 39). Select the µA direct current range on the measuring device. The measuring device must have a resolution of at least 1 µA. Fig. 39 Measuring the ionization current z Switch on the heating system using the main switch.
9 Start-up procedure z Push against the drawer (fig. 40) to close the control panel. 9.13 Testing the Ignition Safety shut off device z Switch off the heating system using the main switch. z Disconnect the plug and socket connection of the monitoring cable. z Switch on the heating system using the main switch. z Press the "Chimney Sweep" d button and hold it (for approx. two seconds), until the display shows the decimal point. z Check if the boiler does one start-up attempt and three restart attampts.
BC10 basic controller 10 10 BC10 basic controller 10.1 Operating the BC10 basic controller 2 3 4 5 6 110 100 90 110 120 130 90 150 130 170 140 12 11 10 1 Fig. 42 pos. 1: pos. 2: pos. 3: pos. 4: pos. 5: pos. 6: 190 9 7 8 BC10 basic controller – Controls Main switch DHW temperature knob LED "DHW status" Display Space heating water temperature knob LED "Heating system status" pos. 7: Under the cover a RC system controller can be installed (not available). pos.
10 BC10 basic controller Resetting the boiler or resetting faults If the boiler is down due to a fault, you can reset the boiler by pressing the "Reset" c button. This is only possible for so-called lock-out faults. There is another type of fault, socalled blocking faults, that reset themselves when the cause has been remedied. z Press the "Reset" c button to reset the boiler. The display shows "rE" while resetting.
BC10 basic controller Displays (examples) P12 H 7 1) P12 P3 3A 1) Warning: Warning System pressure is too low (between 3 and 12 psi Heating system remains operational = 0.2 and 0.8 bar) between 12 psi and 3 psi (0.8 and 0.2 bar). Fill the heating system and restore the minimum filling pressure (≥ 14.5 psi = ≥ 1.0 bar). Current boiler water temperature (in °F) The system pressure is shown for 10 minutes after which the standard Current system pressure (in psi) display returns. number 0 ... 199 2) P3 .
10 BC10 basic controller 10.2 Carrying out additional tasks 10.2.1 Carrying out a flue gas test The "Chimney Sweep" d button is used for the flue gas test. The heating control system works at the maximum flow temperature for 30 minutes. This is set on the BC10 basic controller using the "maximum heater temperature" knob. During flue gas testing the decimal point lights up in the display. z Press and hold the "Chimney Sweep" d button (< 5 seconds) until the decimal point is displayed.
BC10 basic controller z Turn the knob to set the maximum space heating system temperature. 110 10 130 150 90 170 190 z Press the "Chimney Sweep" d button to exit manual mode. WARNING – Turn the "space heating system temperature" knob to limit the heating system temperature to the permissible flow temperature for the floor heating circuit (e. g. 86 – 104 °F = 30 – 40 °C), so pipes will not overheat.
10 BC10 basic controller 10.3.2 Setting the DHW temperature value z Turn the "DHW temperature" rotary knob to set the desired temperature of the hot water in the hot-water tank. Condition Off Economy mode, Hot water temperature 140 °F (60 °C) 86 – 140 Direct setting on BC10 in °F 0 Eco 1 Aut Entry via thermostat (presetting) 110 100 120 90 130 140 Explanation No hot water supply (only heating mode). The DHW will only be reheated to 140 °F (60 °C), if the temperature has signifcantly fallen.
BC10 basic controller 10 10.3.4 Setting the pump post-purge period A pump must be connected to PK (see fig. 29, pos. 7) of the external connection board in order to be able to set the pump run over time. CAUTION – Set the boiler primary pump post-purge period to 24 hours if the heating system is controlled by room temperature sensor and there is a risk of parts of the heating system that are outside the coverage of the room thermostat freezing (e. g. radiators in a garage; constant circulation).
11 11 Shutting down the system Shutting down the system DANGER The heating system may freeze if it is not operational in times of frost. Protect the heating system against freezing if there is a danger of frost affecting the system. Drain the heating system water from the lowest point of the heating system. The vent screw at the highest point of the heating system must then be open. DANGER Should overheating occur or gas supply fail to shut off, turn off the manual gas control valve to the boiler. 11.
Inspection 12 12 Inspection We advise you to offer your customer an annual inspection and maintenance contract (for the contents of this contract, see page 59 and page 60). If inspection reveals that maintenance work is necessary you can carry this out as required (see chapter 13 "Maintenance", page 49). CAUTION – Check and clean the heating system once a year. – Carry out a maintenance overhaul if necessary.
12 Inspection 12.3 Internal leak testing z Switch off the heating system using the main switch. z Test for internal leaks of the gas burner fitting on the inlet side, applying a test pressure of 7.0 inch W.C. (17.4 mbar) in case of natural gas and 11.0 mbar (27.4 mbar) in case of LPG. After one minute the pressure must not have dropped by more than 3.8 inch W.C. (10 mbar).
Maintenance 13 13 Maintenance CAUTION There is no need to lubricate the combustion motor as it is permanently lubricated. z Switch off the heating system using the main switch. z Close the gas shut-off valve. z Remove the casing. 13.1 Cleaning the heat exchanger, burner and condensate trap CAUTION To avoid a short circuit. – Do not spray the cleaning agent onto the burner, the hot surface ignitor, the ionization electrode or other electric components.
13 Maintenance z Loosen both sets of retaining clips (fig. 44, pos. 4 and 5) of the burner cover and remove the burner cover with the fan unit and the gas burner fitting (fig. 45, pos. 1). z Remove the gas/air distributor plate (fig. 45, pos. 2), the orifice plate (GB142-24, GB142-30 and GB142-60 only, fig. 45, pos. 3) and the burner (fig. 45, pos. 4). Note that the orifice plate of the GB142-60 has a different shape.
Maintenance 13 z Switch off the heating system using the main switch. z Dismantle the boiler again and flush the heat exchanger with water. z Pull the condensate trap from the condensate plate (fig. 48, pos. 1). 1 z Loosen the condensate trap from the connection (fig. 48, pos. 2) and remove it. z Use a bristle brush to clean the condensate trap. z Flush the condensate trap. z Fill the condensate trap with water before re-installing it.
14 14 Converting the boiler to propane Converting the boiler to propane To convert the boiler to propane, the following instructions must be adhered to: DANGER if flammable gas explodes. Only carry out work on gas conduits and fittings if you are licensed for such work. z Turn off the gas supply. z Switch off the heating system using the main switch. z Disconnect the electrical power to the boiler. z Set the thermostat or other operating control to lowest setting. z Remove the casing (fig. 49).
Converting the boiler to propane 14 z Fit the right orifice for the new type of gas supply (see table 12). Make sure not to damage the O-rings. Boiler capacity Type of gas supply Gas orifice diameter in mm (inch) z Re-assemble all parts in reverse order of disassembly. 24 kW Natural gas 4.45 (0.174) z Carry out the start-up activities and complete a new startup report. LPG P 3.35 (0.131) 30 kW Natural gas 4.45 (0.174) LPG P 3.35 (0.131) 45 kW Natural gas 5.40 (0.213) LPG P 4.05 (0.
15 15 Appendix Appendix 15.1 Operating messages z Press the "Service" e button a number of times to switch between the various status displays. Display Meaning Normal mode =/- [-/h/\| Boiler in space heating mode * [=/h/\| Boiler in DHW heating mode Normal mode 0 [0/a/\| Burner interval circuit, burner will start automatically after 10 minutes [0/c/\| Burner is started [0/e/\| More capacity was delivered than required [0/h.
Appendix 15 15.2 Error messages z Press the "Service" e button to display the service code (e. g. "3A"). z Press the "Service" e button to display the error code (e. g. "207"). The error message is a combination of the service code (e. g. "3A") and the error code (e. g. "207"). You can only resolve the error message using the Service chapter in this manual. INSTRUCTION FOR INSTALLERS The display may also show system faults (e. g. "A11").
15 Appendix 15.3 Technical specifications General specifications Unit Gas category boiler cap. 24 kW boiler cap. 30 kW boiler cap. 45 kW boiler cap.
Appendix General specifications Unit boiler cap. 24 kW boiler cap. 30 kW boiler cap. 45 kW 15 boiler cap. 60 kW Boiler dimensions and weight Height × Width × Depth inch (mm) Weight lbs (kg) 28 × 22 × 18.7 28 × 22 × 18.7 28 × 35.4 × 18.7 28 × 35.4 × 18.7 (712 x 560 x 475) (712 x 560 x 475) (712 x 900 x 475) (712 x 900 x 475) 110 (50) 110 (50) 143 (65) 158 (72) Table 14 Technical specifications 1 If the heating capacity is limited to max. 80% (L80).
16 16 Reports Reports 16.1 Start-up report Put your signature and the date at the bottom of the start-up report. Start-up activities Page 1. Fill the heating system and check that all connections are tight – Inlet pressure of expansion tank (observe the Installation Instructions for the expansion tank) – Pressurize the system – Fill the condensate trap 30 30 2. Carry out a gas tightness test 30 3.
Reports 16 16.2 Inspection report z Please indicate the inspection activities that you have carried out and enter the values measured. Inspection activities page Date: ______ Date: ______ Date: ______ 1. Test the general condition of the heating system 2. Carry out a visual inspection and test the functions of the heating system 3. Test all gas and water conduits and fittings for: – their tightness during operation – visible corrosion – signs of aging – fill the condensate trap 48 47 32 4.
16 Reports 16.3 Maintenance report z Sign for the maintenance activities that you have carried out and enter the date. Needs-dependent maintenance activities Page Date: _____________ 1. Clean the burner, the heat exchanger and the condensate trap. First shut down the heating system 49 2. Check and adjust the gas/air ratio CO2 content with full load CO2 content with partial load 34 3. Confirm proper maintenance _____________ inch W.C. _____________ inch W.C.
Spare parts 17 17 Spare parts Below is a list of the spare parts for this boiler. Look up the position number in the exploded view drawing on the next two pages for the illustration. Spare parts may be ordered from Buderus. Pos. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Description Product No.
17 Pos. 75 76 77 78 79 80 81 82 83 84 85 86 87 *** *** *** Spare parts Description Product No.
Spare parts 17 Exploded view Logamax plus GB142-24/30 10 21 71 19 29 17 32 33 11 74 23 22 27 13 31 12 24 9 25 28 74 30 14 26 20 66 18 17 8 66 15 83 7 16 34 84 85 35 5 87 37 36 45 85 86 38 40 44 74 72 41 42 48 43 76 82 81 39 73 67 80 47 79 6 75 49 77 4 76 78 2 64 65 3 54 69 63 62 57 56 70 55 52 61 53 51 1 60 68 50 59 58 We reserve the right to make any changes due to technical modifications! Installation instructions Logamax plus GB142-24/3
17 Spare parts Exploded view Logamax plus GB142-45/60 71 10 21 19 29 32 17 74 33 11 23 27 31 24 9 13 12 22 25 28 8 30 74 14 20 66 26 18 17 7 66 15 83 5 16 84 34 85 45 35 87 85 86 37 36 44 40 74 72 82 81 38 39 42 48 80 43 41 67 67 47 73 79 6 77 49 4 2 78 3 64 54 65 1 63 57 61 56 70 62 53 52 55 69 51 60 68 59 50 58 Buderus • http://www.buderus.
Index 18 18 Index B Baffle plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 BC10 basic controller . . . . . . . . . . . . . . . . . . . . . . 8, 39 Burner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 C Carbon monoxide content . . . . . . . . . . . . . . . . . . . . . 36 Casing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 CO values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes Buderus • http://www.buderus.
Notes We reserve the right to make any changes due to technical modifications! Installation Instructions Logamax plus GB142-24/30/45/60 • version 10/2007 Buderus • http://www.buderus.
Heating Contractor: PRODUCTS MANU)ACTURED BY Bosch Thermotechnology Corp. 50 Wentworth Avenue Londonderry, NH 03053 Tel: 603-552-1 Ɣ )D[ www.buderus.net Bosch Thermotechnology Corporation reserves the right to make changes without notice due to continuing engineering and technological advances. 721.502A – 4848 – 10/2007 BBT Thermotechnik GmbH 35573 WHW]ODU www.buderus.
