Buderus Logamax plus GB162 Technical Manual
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Buderus Logamax plus GB162 Technical Manual

Gas condensing boiler output range from 2.7 kw to 100 kw
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See also: Instruction Manual , Instruction and Installation Manual
Logamax plus GB162
Heat is our element
Technical guide
Issue 2010/09
Fügen Sie auf der Vorgabe-
seite das zur Produktgruppe
passende Bild ein.
Sie finden die Bilder auf
der Referenzseite 14:
Buderus Product groups.
Anordnung im Rahmen:
- Tops
- Left sides
Gas condensing boiler
Output range from 2.7 kW to
100 kW

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  • Page 1 Bild ein. Sie finden die Bilder auf der Referenzseite 14: Buderus Product groups. Anordnung im Rahmen: - Tops - Left sides Logamax plus GB162 Gas condensing boiler Output range from 2.7 kW to 100 kW Heat is our element...

  • Page 2: Table Of Contents

    ........31 1.1.1 Features Logamax plus GB162 ....5 Logamatic EMS control concept .
  • Page 3 Logamax plus GB162-45 ....91 freshwater module ......75...
  • Page 4 Ø 80 mm or Logamax plus GB162 up to 35 kW ..120 Ø 110 mm ......160 Routing flue gas via flexible flues inside a 11.1.2 Components for individual appliances,...

  • Page 5: Gas Condensing Boilers Gb162 And Gb162-25 T40S

    SU160 W, SU200 W and SU300 W (not applicable to GB162-65/80/100) Burner • Highly premixing ceramic linear radiant burner for the cleanest combustion Table 1 Benefits and key features Logamax plus GB162 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 6: Logamax Plus Gb162 Selection Aid

    • Simplified commissioning and service through the service menu of the RC35 programming unit; minimum clearances to the side are not required Table 2 Benefits and key features Logamax plus GB162-25 T40S 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 7: Logamax Plus Gb162-25 T40S Selection

    • Booster function for DHW 25 kW appliance with 33 kW DHW output Burner • Highly premixing ceramic linear radiant burner for the cleanest combustion Table 2 Benefits and key features Logamax plus GB162-25 T40S 1.2.2 Logamax plus GB162-25 T40S selection aid...

  • Page 8: Overview Of Boiler Types Logamax Plus Gb162

    7 106 100 7 106 102 7 746 900 197 GB162-100 7 106 104 7 106 106 7 746 900 197 Table 3 Logamax plus GB162 output sizes 1) In DHW mode 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 9: Technical Description

    Technical description Equipment level of the gas condensing boilers 2.1.1 Equipment overview Logamax plus GB162-15, GB162-25, GB162-35 and GB162-45 The wall mounted Logamax plus GB162-15/25/35/45 gas condensing boilers have been tested in compliance with the Gas Appliances Directive 90/396/EEC. The requirements of standards EN 483 and EN 677 were taken into consideration.

  • Page 10: Equipment Overview Logamax Plus Gb162-25 T40S

    GAS AKO VS RS VK RK 6 720 642 463-04.1il Fig. 4 Selected components and assemblies of the Logamax plus GB162-25 T40S (connections not visible fig. 8, page 13) AKO Condensate outlet (not visible) Condensate pan AW DHW outlet (not visible)
  • Page 11 • Copper-soldered stainless steel plate heat exchanger with 33 kW constant output • Water flow sensor to record the amount of water Control components • Universal burner control unit UBA3.5 • Logamatic BC10 base controller 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 12: Equipment Overview Logamax Plus Gb162-50, Gb162-65, Gb162-80 And Gb162-100

    Technical description 2.1.3 Equipment overview Logamax plus GB162-50, GB162-65, GB162-80 and GB162-100 Boiler block, burner and heat exchanger • Internal sealed combustion chamber • Ceramic premix gas burner • ALUplus heat exchanger with high quality condensing heating surface with plasma polymerisation for: –...

  • Page 13: Gas Condensing Boiler Function Principle

    Fig. 7 Function scheme Logamax plus GB162-45 GB162-15/25/35 (key page 14) (key page 14) GB162-25 T40S 6 720 642 463-08.1il Fig. 8 Function scheme Logamax plus GB162-25 T40S (key page 14) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 14 Technical description ETA-plus system in the Logamax plus GB162 GB162-50/65/80/100 The ETA-plus system of the Logamax plus GB162 gas condensing boilers minimises the overall running costs through optimum energy utilisation. Part of the ETA-plus system is a highly effective lamellar tube heat exchanger with ALUplus technology.

  • Page 15: Burner Ignition And Flame Monitoring

    A high efficiency UPM 15-70 2W pump In contrast to conventional boilers with electric spark (accessory) can be fitted inside the boiler. The control ignition or a pilot flame, the Logamax plus GB162 gas functions differential pressure-dependent and condensing boilers operate with an incandescent ignition output-dependent control are available.

  • Page 16: Dimensions And Specification Of The Gas Condensing Boilers

    Ø80/125 1000 VS RS 6 720 642 463-10.1il Fig. 10 Dimensions and connections Logamax plus GB162-15/25/35/45 (dim. in mm) AKO Condensate outlet Ø 30 GAS Gas connection R½ Boiler return Ø 28 (connection, compression fitting R1) DHW cylinder return (connection fitting R¾ ) Boiler flow Ø...
  • Page 17 Standby heat loss at 70 °C flow 0.68 0.53 temperature Permissible operating pressure, boiler 3 (4) Water content, heat exchanger Pump run-on time, adjustable at the Logamatic BC10 1–60 base controller Table 4 Specification Logamax plus GB162-15/25/35/45 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 18 5) Captured at the flue connector 6) With integral heating circuit pump UPM 15-70 7) Measured in a sound-proof room at a distance of 1 m from the boiler (with concentric flue system) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 19: Logamax Plus Gb162-25 T40S

    1000 VS RS 6 720 642 463-11.1il Fig. 11 Dimensions and connections Logamax plus GB162-25 T40S (dim. in mm) AKO Condensate outlet Ø 30 AW DHW outlet Ø 15 (connection, compression fitting R½ ) Cold water inlet Ø 15 (connection, compression fitting R½...
  • Page 20 100 % 10.7 (15.1) 80/60 °C °C 65 (75) 5)6) Flue gas temperature at system temperature (full load) 50/30 °C °C content at full load Table 5 Specification Logamax plus GB162-25 T40S 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 21 5) Factor for sizing the flue system to DIN-EN 13384-1 at 6) Captured at the flue connector 7) Measured in a sound-proof room at a distance of 1 m from the boiler (with concentric flue system) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 22: Logamax Plus Gb162-50, Gb162-65, Gb162-80 And Gb162-100

    VA/RA GAS A GAS A 6 720 642 463-12.1il Fig. 12 Dimensions and connections Logamax plus GB162-50/65/80/100 (dim. in mm) Condensate outlet; external diameter, fem. connection 24 mm GAS A Gas connection, connection set G1 (fem.) GAS K Gas connection, boiler G1 (fem.) Return connection set G1½...
  • Page 23 Standby heat loss at 70 °C flow 0.05 0.05 0.05 0.06 temperature Permissible operating pressure, boiler Water content, heat exchanger Pump run-on time, adjustable at the Logamatic BC10 1–60 base controller Table 6 Specification Logamax plus GB162-50/65/80/100 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 24 6) When the output is limited to 50 kW 7) Excluding pump 8) Measured in a sound-proof room at a distance of 1 m from the boiler (with concentric flue system) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 25: Dimensions And Specification Of Dhw

    – 5 231 035 5 231 045 Table 7 Specification Logalux S135 RW and S160 RW combined with Logamax plus GB162 1) Heating water flow temperature/DHW outlet temperature/cold water inlet temperature 2) Height including cylinder cover (accessory), excl. adjustable feet 3) At cylinder temperature 65 °C and room temperature 20 °C...

  • Page 26: Logalux S120 W, Su160 W, Su200 W And Su300 W Dhw Cylinders

    7747011 041 7 747 003 781 7 747 003 782 7 747 003 783 Table 8 Specifications Logalux S120 W and SU... W combined with Logamax plus GB162 1) Heating water flow temperature/DHW outlet temperature/cold water inlet temperature 2) Minimum room height for the replacement of the magnesium anode 3) For the Logalux S120 W, we recommend the connection of the DHW circulation line in the cold water inlet 4) At cylinder temperature 65 °C and room temperature 20 °C...

  • Page 27: Installed Dimensions Of The Gas Condensing Boilers

    Technical description Installed dimensions of the gas condensing boilers 2.5.1 Installed dimensions Logamax plus GB162-15, GB162-25 and GB162-35 with DHW cylinders Logalux S135 RW and S160 RW ≥ 100 252 ± 5 177 ± 5 ≈ 35 150 75 75 150...

  • Page 28: Installed Dimensions Logamax Plus Gb162-15, Gb162-25 And Gb162-35 With Logalux S120 W Dhw Cylinder

    Technical description 2.5.2 Installed dimensions Logamax plus GB162-15, GB162-25 and GB162-35 with Logalux S120 W DHW cylinder ≥ 100 252 ± 5 177 ± 5 ≈ 35 75 150 150 75 AKO VS GAS AKO/ASV VK RK AW EKRS AW/EK RS/VS ∅...

  • Page 29: Installed Dimensions Logamax Plus Gb162-15, Gb162-25 And Gb162-35 With Logalux Su160 W, Su200 W And Su300 W Dhw Cylinder

    Technical description 2.5.3 Installed dimensions Logamax plus GB162-15, GB162-25 and GB162-35 with Logalux SU160 W, SU200 W and SU300 W DHW cylinder ≥ 100 252 ± 5 177 ± 5 ≈ 35 75 150 150 75 AKO VS VK RK AKO/ASV 15–25...

  • Page 30: Regulations And Operating Conditions

    ΔT must be output < 25 K Table 12 Operating conditions Logamax plus GB162 1) Heating circuit control with mixer improves the control characteristics; particularly recommended for systems with several heating circuits 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 31: Heating Control

    Programming unit RC35 Programming unit SM10 Solar module UBA3.5 Universal burner control unit VM10 Control module WM10 Low loss header module Number can be selected in accordance with the system configuration 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 32: Logamatic Ems Control Concept

    6 720 642 463-19.1il Fig. 19 Position of the RC25 or RC35 programming units or the external room temperature sensor in the reference room (dim. in m) Required clearance below the RC25 or RC35 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 33: Weather-Compensated Control

    19). 6 720 642 463-21.1il Fig. 22 Separate room temperature sensor for external installation as an alternative to the integral room temperature sensor of the RC35 programming unit (dim. in mm) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 34: Boiler And Control Components In The Logamatic Ems Control System

    Fig. 24 Back of the Logamatic BC10 base controller which makes further convenient control functions with jumper for limiting the output to 11 kW or available ( fig. 23, pos. 2). 50 kW (for the GB162-65) Jumper 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 35 • “Reset” button for resetting the burner in the event of lockout faults ( fig. 25, pos. 12) • Emergency operation • Limiting the output of the gas condensing boiler and setting system parameters via the software 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 36: Rc25 Programming Unit

    Key with LED for activating once only DHW heating or for selecting the DHW temperature Flap to cover the second control level Key for selecting the heating program Key for adjusting the time and the day of the week 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 37: Rc35 Programming Unit

    For the end user, two control levels are available, divided into standard functions and extended functions. At the service level, contractors can make adjustments, e.g. for the heating circuits or DHW heating. 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 38: Function Modules For Extending The Functions Of The Logamatic Ems Control System

    Wall mounting bracket with strain relief for connecting cables 6 720 642 463-26.1il Fig. 28 Quick installation set for heating circuit with high efficiency pump, efficiency category A (with integral EMS module) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 39: Asm10 Connection Module

    This High-Flow/Low-Flow operation enables demand-optimised DHW heating. When the system is still cold, the system initially produces DHW quickly from the solar yield for “optimum convenience.” When sufficient 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 40: Wm10 Low Loss Header Module

    4.5.7 Logamatic Easycom telecontrol modem The WM10 low loss header module regulates the In the form of the Logamatic Easycom, Buderus offers an hydraulic separation between the boiler and the affordable telecontrol modem for remote monitoring and consumer circuits. This hydraulic separation can be setting of parameters in small and medium-sized heating achieved with a low loss header or via a heat exchanger.

  • Page 41: Em10 Fault Message Module

    Input Set flow temperature State of the voltage (gas condensing Combined with the Logamax plus GB162, the EM10 fault boiler) condensing message module provides two standard functions: boiler • Output of a fault indication with a 230 V signal (with potential) (buzzer, signal lamp, max.

  • Page 42: Selection Aid For Possible Equipment Levels With Components Of The Logamatic Ems Control System

    Remote configuration Second solenoid valve, e.g. for LPG (VM10 control module) Table 15 Selection aid for the possible equipment 'levels of the Logamax plus GB162 with components of the Logamatic EMS control system 1) As a remote control for heating circuit 1, if the RC35 programming unit is installed inside the appliance or as a remote control for heating circuit 2.

  • Page 43: Logamatic 4121 And 4122 Control Units

    Fig. 35 Logamatic 4121 control unit with standard CM431 controller 'module equipment level MEC2 programming unit Control unit ON/OFF switch ZM424 central module Fuse CM431 controller 'module MEC2 programming unit Control unit ON/OFF switch Fuse 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 44 1) When using the FM445 function module, DHW heating through the ZM424 central module will be disabled. The modules of the Logamatic EMS cannot be controlled via the Logamatic 4000 control system. 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 45 Fig. 38 Position of the wall mounting bracket for the For further details, see the technical guide MEC2 programming unit in the reference room concerning the “modular Logamatic 4000 (dim. in mm) control system”. Required clearance below the MEC2 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 46: Dhw Heating

    Table 17 Decision-making aids for the selection of integral or separate DHW heating 1) In the case of adequate room height, recommended with the Logalux S120 W DHW cylinder (below) Recommended Limited recommendation – Not recommended 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 47: Application Limit, Stratification Cylinder For The Logamax Plus Gb162-25 T40S

    At a total hardness of the potable water of 15° dH to 20° dH, we recommend that the cylinder temperature is The use of the Logamax plus GB162 gas condensing set to ≤ 55 °C. As an alternative, a water treatment system boilers for DHW heating with cylinder primary system can also be used.

  • Page 48: Separate Dhw Heating Via A 3-Way Diverter Valve For The Logamax Plus Gb162-45, Gb162-50, Gb162-65, Gb162-80 And Gb162-100

    DHW heating Separate DHW heating via a 3-way diverter valve for the Logamax plus GB162-45, GB162-50, GB162-65, GB162-80 and GB162-100 DHW priority circuit When fitting the valve, ensure the correct The universal burner control unit UBA3.5 of the Logamax position is maintained. The motor must not plus GB162 gas condensing boilers features a DHW hang down.
  • Page 49 DHW heating DHW heating via pump assembly with integral 3-way diverter valve for the Logamax plus GB162-50 and GB162-65 The 3-way diverter valve can only be fitted to the l.h. side plus GB162-50 and GB162-65, and cannot be used for of the pump connection assembly.

  • Page 50: Selection Of A Suitable Dhw Cylinder For Detached Houses And Two-Family Homes As Well As Apartments

    Suitable for both boiler output ranges DHW cylinders are recommended. Recommendation according to example Condition: DHW cylinder is heated to 60 °C. Table 20 Explanation of the colour coding in table 19 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 51: Dhw Circulation Line For Dhw Cylinder

    Cold water inlet to DIN 1988-2 DHW circulation inlet Check valve DHW circulation pump Logalux S120 W 6 720 642 463-31.1il Fig. 43 Version of a DHW circulation line for the Logalux S120 W DHW cylinder 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 52: System Examples

    Heat source pump Cylinder primary pump Solar circuit pump DHW circulation pump RC.. Programming unit Differential pressure controller Heating system return Boiler return DHW cylinder return Table 21 Overview of frequently used abbreviations 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 53 4121 2x0,6 A / B 6 720 642 463-33.1il Fig. 46 Sample circuit diagram for the hydraulics and control of all systems that include the Logamax plus GB162 (design information tab. 22, page 54) Reference room The boiler does not include a safety valve...
  • Page 54 Page 37 A low water indicator is not required when installing the Logamax plus GB162 gas condensing boiler as an attic heating centre. The function of a thermostatically controlled low water indicator is safeguarded with a minimum Page 9 ff.
  • Page 55 For open flue operation of the Logamax plus GB162 gas condensing boiler, the IP rating is IP 40. For balanced flue operation of the Logamax plus GB162, the IP rating is IP X4 D. The Logamax plus GB162 is equipped with a plug-in strip that includes a suitable plug for the power cable.

  • Page 56: Important Hydraulic System Components

    ≤ 10 μS/cm Below the curves, fill with untreated tap water that meets the requirements of the Drinking Water Ordinance [Germany] Water hardness Water volume over the service life of the boiler 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 57 65 f.). When installing pipes that are permeable to oxygen, e.g. in underfloor heating systems, allow for system separation by means of a heat exchanger ( fig. 51, page 59). 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 58: Hydraulics For Maximum Utilisation Of The Condensing Effect

    Logamax plus Maximum transferable output at high efficiency pump. A high efficiency pump is available 10 K temperature differential as an accessory for the Logamax plus GB162-45, and can be installed inside the boiler. 150 mbar 200 mbar The pumps for the Logamax plus GB162 gas condensing...
  • Page 59 Additional RC25 programming unit feasible as a remote control if the RC35 programming unit has been clipped into the gas condensing boiler WM10 low loss header module may, alternatively, be plugged into the gas condensing boiler SMF recommended 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 60: Plus Gb162

    Maximum modulation in output-dependent operation A high efficiency pump is available as an accessory for the with setting 0 at the RC35 programming unit Logamax plus GB162-45 and can be installed inside the tab. 25, page 64) boiler ( fig. 55).
  • Page 61 The RC35 programming unit of the Energy Management System (EMS) enables the heating circuit pump of the Logamax plus GB162-45 Logamax plus GB162 up to 45 kW to be adjusted in line with the system, so that it can be operated with different Δp [mbar ] residual heads Δp = constant or output-dependent...
  • Page 62 Low load Full load Resulting pump pressure 4 m Δp Residual head Resulting pump pressure 3 m Δp Flow rate Residual head GB162-65 with pump assembly incl. 3-way diverter valve Flow rate 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 63 6 720 642 463-46.1il Fig. 62 Pressure drop curve GB162-45 of the heat Fig. 63 Pressure drop curve GB162-50/65/80/100 of exchanger the heat exchanger Δp Δp Pressure drop Pressure drop Flow rate Flow rate 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 64 Particularly with low system design temperatures, such as 40/30 °C in underfloor heating systems, the internal heating circuit pump of the Logamax plus GB162 gas condensing boilers may prove inadequate. In this case allow for a circuit via a low loss header with secondary pump ( fig.

  • Page 65: Diaphragm Expansion Vessel

    Average total system water content Example 1 Given • System output Q = 18 kW • Panel radiators Checked • Total system water content = 175 l fig. 64, curve d) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 66 1360 1942 3107 1.00 1200 1714 2742 1.25 1000 1428 2284 1.50 1142 1827 Table 27 Maximum permissible system volume subject to the flow temperature and the required MAG pre-charge pressure 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 67: Hydraulic Boiler Schemes For Appliances

    System examples Hydraulic boiler schemes for appliances with integral 3-way diverter valve 6.3.1 System example for a single boiler system, Logamax plus GB162-15/25/35 with RC25 or RC35 programming unit for one heating circuit with separate DHW heating 2x0,6 Logamatic 3x1,5...

  • Page 68: System Example For A Single Boiler System, Logamax Plus Gb162-25 T40S With Rc25

    System examples 6.3.2 System example for a single boiler system, Logamax plus GB162-25 T40S with RC25 or RC35 programming unit for one heating circuit with integral DHW heating 2x0,6 Logamatic 3x1,5 RC25 Netz RC35 2x0,6 THV/SA THV/SA THV/SA THV/SA 6 720 642 463-51.1il Fig.

  • Page 69: System Example For Single Boiler System

    System examples 6.3.3 System example for single boiler system, Logamax plus GB162-15/25 and GB162-25 T40S with RC35 programming unit for one heating circuit without mixer and one heating circuit with mixer with the same time channel (as option with system separation)

  • Page 70: System Example For The Logamax Plus

    System examples 6.3.4 System example for the Logamax plus GB162-15/25 with low loss header, one heating circuit without mixer, one underfloor heating circuit with mixer and separate DHW heating via 3-way diverter valve RC35 RC25 2x0,6 (RC25) (RC35) 2x0,6 2x0,6...

  • Page 71: System Example For The Logamax Plus Gb162-15/25/35 With Low Loss Header

    System examples 6.3.5 System example for the Logamax plus GB162-15/25/35 with low loss header, one heating circuit without mixer, one underfloor heating circuit with mixer and DHW heating via cylinder primary pump (maximum equipment level with the RC35 and RC25 programming units)

  • Page 72: System Example For The Logamax Plus Gb162-15/25/35 With One Heating Circuit

    System examples 6.3.6 System example for the Logamax plus GB162-15/25/35 with one heating circuit without mixer directly downstream, solar DHW heating and DHW reheating via 3-way diverter valve RC35 (RC25) 2x0,6 ÜS 2x0,6 Logasol SKN3.0 SM10 SKS4.0 CPC6 Logasol BC10...

  • Page 73: System Example For The Logamax Plus Gb162-15/25/35 With Solar Central Heating Backup And One Heating Circuit

    System examples 6.3.7 System example for the Logamax plus GB162-15/25/35 with solar central heating backup and one heating circuit with mixer Logamatic 4121 FM443 2x0,6 ZV (THV) ÜS Logasol 3x1,5 SKN3.0 SKS4.0 230 V AC CPC6 Logasol 50 Hz 2x0,6...

  • Page 74: System Example For The Logamax Plus Gb162-15/25/35/45 With Logamatic 4121, Solid Fuel Boiler And One Heating

    System examples 6.3.8 System example for the Logamax plus GB162-15/25/35/45 with Logamatic 4121, solid fuel boiler and one heating circuit with mixer Logamatic 4121 2x0,6 ZV (THV) 3x1,5 3x1,5 2x0,6 BC10 2x0,6 KR PS G-KS 4x1,5 (HSM…) (HKV 2/…) Logamatic 2114 Logalux PR...

  • Page 75: System Example For The Logamax Plus Gb162-15/25/35 With Solar Dhw Heating And

    System examples 6.3.9 System example for the Logamax plus GB162-15/25/35 with solar DHW heating and central heating backup, solid fuel boiler and one heating circuit with mixer, buffer cylinder/Thermosiphon buffer cylinder and freshwater module Logasol KS01... Logalux FS-Z Logamatic 2114...

  • Page 76: Hydraulic Boiler Schemes For Appliances Without 3-Way Diverter Valve

    System examples Hydraulic boiler schemes for appliances without 3-way diverter valve 6.4.1 System example for Logamax plus GB162-45 with internal pump, RC35 programming unit, 3-way diverter valve and direct heating circuit without mixer RC35 2x0,6 BC10 G-SU 6 720 642 463-58.1il Fig.

  • Page 77: System Example For Logamax Plus Gb162-45 With Low Loss Header, Maximum

    System examples 6.4.2 System example for Logamax plus GB162-45 with low loss header, maximum version for the installation with EMS module inside the boiler and with RC35 or RC25 programming unit RC35 RC25 ZV (THV) 2x0,6 BC10 MM10 3x1,5 2...

  • Page 78: System Example For Logamax Plus Gb162-50/65 With Dhw Heating

    System examples 6.4.3 System example for Logamax plus GB162-50/65 with DHW heating via a 3-way valve kit, RC35 programming unit and direct heating circuit without mixer RC35 2x0,6 2 BC10 G-SU 6 720 642 463-60.1il Fig. 76 Circuit diagram for the system example (index of abbreviations...

  • Page 79: Programming Unit And Direct Heating Circuit Without Mixer

    System examples 6.4.4 System example for the Logamax plus GB162-50/65/80/100 with DHW heating via a 3-way diverter valve, RC35 programming unit and direct heating circuit without mixer RC35 2x0,6 2 BC10 G-SU 6 720 642 463-61.1il Fig. 77 Circuit diagram for the system example (index of abbreviations page 52) •...

  • Page 80: System Example For The Logamax Plus Gb162-65/80/100 With Low Loss Header And Rc35 Programming Unit, One Heating Circuit

    System examples 6.4.5 System example for the Logamax plus GB162-65/80/100 with low loss header and RC35 programming unit, one heating circuit without mixer, two heating circuits with mixers and DHW heating via a cylinder primary pump RC35 2x0,6 2 BC10...

  • Page 81: System Example For The Logamax Plus Gb162-45 And Gb162-50/65/80/100

    System examples 6.4.6 System example for the Logamax plus GB162-45 and GB162-50/65/80/100 with Logamatic 4121, maximum standard equipment level with two heating circuits with mixer Logamatic 4121 2x0,6 2 2x0,6 2 3x1,5 2 2x0,6 2 4x1,5 2 2x0,6 2 3x1,5 2...

  • Page 82: Assembly

    System examples 6.4.7 System example for the Logamax plus GB162-50/65/80/100 in a 2-boiler cascade, one heating circuit with mixer and one without, DHW heating via cylinder primary pump and use of a pump assembly 2x0,6 2 Logamatic 4121 mit FM456...

  • Page 83: Assembly

    System examples 6.4.8 System example for the Logamax plus GB162-50/65/80/100 in a 2-boiler cascade, one heating circuit with mixer and one without, DHW heating via cylinder primary pump and use of a pump assembly 2x0,6 2 Logamatic 4323 mit FM441, FM458...

  • Page 84: System Example For The Logamax Plus Gb162-50/65 And Gb162-50/65/80/100 In A 2-Boiler Cascade With Two Heating Circuits With Mixer

    System examples 6.4.9 System example for the Logamax plus GB162-50/65 and GB162-50/65/80/100 in a 2-boiler cascade with two heating circuits with mixer 2x0,6 2 Logamatic 4121 mit FM456 Logamax plus 2x0,6 2 GB162-65 4x1,5 2 3x1,5 2 2x0,6 2 BC10...

  • Page 85: Condensate Drain

    ≥ 80 ≥ 8 Table 29 Conditions for adequate admixing of condensate with domestic waste water 1) Maximum values at a system temperature 40/30 °C and 2000 hours run 2) Combustion output 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 86: Condensate Drain From The Condensing Boiler And The Flue

    3° 6 720 641 280-33.1il Fig. 83 Condensate hose from the gas condensing boiler and a flue via the neutralising system Neutralising system 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 87: Installation

    – – – Table 30 Selection aid for connection accessories Logamax plus GB162-15/25/35 and GB162-25 T40S 1) Determine the required diaphragm expansion vessel to suit the specific system 2) Installation on the side towards the back 3) For retrofitting in the S-Flex, if the building is not equipped with a pressure reducer...
  • Page 88 Installation Connection accessories for the Logamax plus GB162-15/25/35 and GB162-25 T40S Designation Description Accessories; heating circuit and gas connection • 2 service ball valves Rp1 • Tee with cap for connecting an external MAG • Tee with drain & fill valve Heating circuit connection set •...
  • Page 89 Installation Connection accessories for the Logamax plus GB162-15/25/35 and GB162-25 T40S Designation Description Accessories for external DHW cylinders • DHW temperature sensor Ø 6 mm for DHW heating, with plug for connection to the terminal strip inside the gas condensing boiler •...
  • Page 90 Installation Connection accessories for the Logamax plus GB162-15/25/35 and GB162-25 T40S Designation Description DHW cylinder accessories for the sanitary side for S120 W, S135 RW and S160 RW • For DHW cylinders S120 W, S135 RW and S160 RW • Flexible corrugated hoses with thermal insulation and...

  • Page 91: Selection Aid For Connection Accessories Logamax Plus Gb162-45

    5 991 387 – – Table 32 Selection aid for connection accessories Logamax plus GB162-45 1) Cylinder primary pump sized for reduced flow rate 2) Alternative for UPM 15-70 2 W; installed outside the appliance 3) Alternative for Wilo Stratos ECO 25/1-5, installed outside the appliance...
  • Page 92 • G1¼ (fem.) × G1¼ (fem.) • Setting range: 1200–4200 l/h Accessories, DHW - external cylinder primary pump Pump Logafix BU 25/6 • Speed, 3-stage changeover Table 33 Connection accessories Logamax plus GB162-45 (assignment tab. 32) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 93 • With stainless steel mesh core • Rp1 – flow rate < 3200 l/h • Rp1¼ – flow rate < 5000 l/h Table 33 Connection accessories Logamax plus GB162-45 (assignment tab. 32) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 94: Selection Aid For Connection Accessories Logamax Plus Gb162-50/65/80/100

    NE 1.1 – Neutralising system with lifting pump 8 133 352 Table 34 Selection aid for connection accessories Logamax plus GB162-50/65/80/100 1) Available pump pressure for the heating circuit at 4000 l/h = 150–170 mbar 2) G-SU 1¼ ", pressure drop at 4000 l/h = 50 mbar, K...
  • Page 95 GA-BS • R1 Straight-through gas tap 1" • Straight-through form • Installation on finished walls • With integral fire safety valve Table 35 Connection accessories Logamax plus GB162-50/65/80/100 (assignment tab. 34) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 96 Line and measuring valve • DN32, K = 6.3; Rp1¼ ASV-M • DN40, K = 10; Rp1½ (only in combination with ASV-PV) Table 35 Connection accessories Logamax plus GB162-50/65/80/100 (assignment tab. 34) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 97 • To increase the head to approx. 4.5 m for NE 2.0 Neutralising agent • 10 kg bucket, sufficient for the NE 0.1, NE 1.1 and NE 2.0 Table 35 Connection accessories Logamax plus GB162-50/65/80/100 (assignment tab. 34) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 98: Heating Circuit Quick Installation Systems

    38, page 100 ff.) For the WHY 120/80 low loss header R1½ For boiler flow and return max. flow rate 5.0 m /h ( tab. 38, page 100 ff.) Table 36 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 99 Top connection dim., here DN25 Bottom connection dim., here DN25 HKV 2 / 25 / 25 6 720 643 422-61.1il Fig. 88 Internal diameter, heating circuit quick installation set (example) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 100 5 024 872 • HKV 3/32/32 for 3 heating circuits 5 024 882 • HKV 4/25/40 for 4 heating circuits 5 024 884 • HKV 5/25/40 for 5 heating circuits Table 38 Accessories 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 101 HSM 32 E plus, white, EMS inside 8 718 577 395 • For 1 heating circuit with mixer DN32, high efficiency pump, permanent magnet motor • MM10 mixer module, integral Table 38 Accessories 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 102 HSM 20 E plus = 6.3 m /h to 40 kW HSM 25 E plus = 8.0 m /h to 45 kW HSM 32 E plus = 18.0 m /h to 55 kW 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 103: Heat Exchanger Recognition Set For Gas Condensing Boilers

    200 mbar pressure drop: HS 25/4 E plus 8.5 kW HS 25/6 E plus 15 kW HSM15 E plus 7 kW HSM 20 E plus 15 kW HSM 25 E plus 15 kW 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 104 Install the MAG on site ÜS1 Adaptor set G1¼ to G1½ (product Height of the heating circuit quick installation sets no. 63 012 350), on-site pump HSM 32(-E) and HS 32(-E) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 105: Transferable Output Of The Heating Circuit Quick Installation Sets

    6 720 641 280-43.1il HKS DN32 on the WMZ – Fig. 94 Dimensions of the heat meter set with heating circuit distributor (dim. in mm) Table 40 Accessories for different combinations 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 106: Gb162-100

    Installation Cascade units Logamax plus GB162-50, GB162-65, GB162-80 and GB162-100 ≥80 6 720 642 463-72.1il Fig. 95 Cascade unit dimensions (dim. in mm) In-line installation Installation at the back Mounting support Cascade header GB162-50/65/80/100 Pump connection assembly (on-site connection of the MAG, connection ½...
  • Page 107 – 4" NW 100/114.3 PN6 2½ " right-angle – TL6, TL7, TL8, straight – – – TR5, TR6, TR7, 4" NW 100/114.3 PN6 3" right-angle – Table 43 Dimensions, open distributor 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 108: Flue Systems For Open Flue Operation

    9.1.2 System certification In accordance with the [German] Technical Rules for Gas The flues of the Buderus sets GA, ÜB-Flex with GA, GA-X Installations DVGW-TRGI 2008, the contracted installer with GA-K, ÜB-Flex with GA-X and GA-K, the sets of the...

  • Page 109: General Requirements Of The Installation

    – The gas condensing boilers are located in rooms where their operational reliability cannot be put at risk from the operation of open fireplaces. – The open combustion equipment has its own combustion air supply. 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 110 ) must be No particular installation room is required for operating installed in rooms that feature a vent leading to the outside the Logamax plus GB162 gas condensing boilers with an of at least 150 cm or two vents of 75 cm each;...

  • Page 111: Air/Flue Gas Line

    Buderus sets equipment with a total rated output in excess of 100 kW The flue that is part of the Buderus set is made from requires a specific installation room. Observe relevant plastic. It is installed as a complete pipe system or as a national or regional combustion ordinances.
  • Page 112 – L0 for non-flammable casing system on site when connecting to a moisture-resistant – L1 for flammable casing flue system with the Buderus sets GN or GA-X with – L for designs without casing LAS-K (LAS multiple connection). In flue cascades, the condensate flows from the vertical...
  • Page 113 • The solar lines including their thermal insulation must correspond to the requirements of the flue where their temperature resistance is concerned. 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 114: Inspection Apertures

    98 and fig. 99). Position of the lower inspection aperture • Upstream and downstream of every diversion in excess • When connecting the Logamax plus GB162 to a flue, of 30°, an additional inspection bend is required. allow for a lower inspection aperture: •...
  • Page 115 ≤ 0,3 6 720 641 280-47.1il Fig. 100 Example with the inspection apertures (P) located in a horizontal flue with diversions in the installation room - top view (dim. in m) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 116: Flue Gas Routed Through A Flue Inside A Shaft With Ga Set And Secondary Ventilation For The Logamax Plus Gb162 Up To 45 Kw

    Flue systems for open flue operation Flue gas routed through a flue inside a shaft with GA set and secondary ventilation for the Logamax plus GB162 up to 45 kW Appliance type B (formerly B Observe the general information on page 108 ff.
  • Page 117 Flue gas routed through a flue inside a shaft with GA set and secondary ventilation Product no. Details Standard GA set for Logamax plus GB162 up to 45 kW 87 094 034 GA, PP plastic, Ø 80 mmWith stainless steel shaft cover and terminal pipe fig.

  • Page 118: Flue Gas Routed Through A Flue Inside A Shaft With Ga Set And Secondary Ventilation For The Logamax Plus Gb162-50, Gb162-65, Gb162-80 And Gb162-100

    Flue systems for open flue operation Flue gas routed through a flue inside a shaft with GA set and secondary ventilation for the Logamax plus GB162-50, GB162-65, GB162-80 and GB162-100 Appliance type B (formerly B Observe the general information on page 108 ff.
  • Page 119 Spacer (4 pce) 87 090 421 – Stainless steel shaft cover and terminal pipe 87 090 150 – Table 48 Components of the GA set 1) Not in connection with ÜB-Flex 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 120: Concentric Air/Flue Gas Routing In Open

    Interconnected combustion air supply to TRGI or vent to the outside 1 × 150 cm or 2 × 75 cm Air/flue gas concentric The manufacturer of the LAS will calculate and supply the required cross-section. 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 121 Components for the air/flue gas line inside the installation room and for flues in shafts with secondary ventilation: The additional equipment to supplement the standard GA-K set is listed for the Logamax plus GB162 up – Table 72, page 149 to 45 kW.

  • Page 122: Routing Flue Gas Via Flexible Flues Inside A Shaft With Üb-Flex Set In Conjunction With The Ga Set Or With The Ga-X And Ga-K Sets

    Routing flue gas via flexible flues inside a shaft with ÜB-Flex set in conjunction with the GA set or with the GA-X and GA-K sets For the Logamax plus GB162 the ÜB-Flex set is only 120 × 120 140 × 140 ∅...
  • Page 123 Standard ÜB-Flex set 25 m With flexible plastic flue PP, 25 m long 87 094 038 87 090 038 fig. 112 For operation of the Logamax plus GB162, the standard ÜB-Flex set is only permissible in conjunction with standard GA set. – To combine the ÜB-Flex set with the standard GA set:...

  • Page 124: Routing The Flue Gas Via A Moisture-Resistant Chimney With Gn Set

    110). Atmospheric pressure Reduction of positive pressure Chimney connection Chimney manufacturer Even when connecting the Logamax plus GB162 to a Flue gas Ventilation air moisture-resistant special chimney, only a flue approved Flue pipe together with the gas condensing boiler that is suitable for Connection piece supplied by the manufacturer of the positive pressure (e.g.
  • Page 125 87 090 296 87° inspection bend 87 094 537 87 090 875 – Pipe with inspection aperture 77 190 015 33 87 090 236 – Table 55 Components of the GN set 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 126: Flue Gas Routed Through A Flue Gas Header Inside A Shaft With Flue Cascade Set

    • Positive pressure operation when all gas condensing flue is always required. The required condensate drain boilers operate at full load. with siphon is part of the Buderus flue cascade sets. • Negative pressure operation as soon as one gas Flue cascade set condensing boiler is shut down.
  • Page 127 GB162-25 T40S 7–25 DN200 GB162-35 7–25 DN200 GB162-45 7–25 DN200 GB162-50 14–35/ 4–50 DN200/DN250 GB162-65 5–50 DN250 GB162-80 2.5–50 DN250 GB162-100 9–50/2.5–50 DN250/DN315 Table 57 Sizing flue cascades ( fig. 115) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 128 Shaft set for flue cascade fig. 117 and Flue cascade shaft, plastic PP table 60, page 130 f. Table 58 Components of the flue cascade set (cont. tab. 60, page 130 f.) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 129 ≈ 430 + D/2 6 720 642 463-80.1il Fig. 117 Plastic components of the flue cascade shaft set with Logamax plus GB162 plus one example of a 4-boiler cascade with Logamax plus GB162-50/65/80/100 gas condensing boilers (dim. in mm) I Shaft set for flue cascade:...
  • Page 130 87 090 416 500 mm 87 090 417 1000 mm 87 090 418 2000 mm 87 090 419 Table 60 Components of the flue cascade set (cont. from tab. 58, page 128) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 131 Ø 110 mm 7 747 202 158 – e.g. TR3/TR5 if the TR4 or TR6 set is used. Table 60 Components of the flue cascade set (cont. from tab. 58, page 128) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 132: 10 Flue Systems For Balanced Flue Operation

    All maintenance can be carried out from the 10.1.2 System certification front. The air/flue gas lines of the Buderus sets DO, DO-S, Prohibited installation areas GA-K, ÜB-Flex with GA-K, GAF-K, GAL-K and LAS-K Never install gas appliances in essential stairwells (e.g.

  • Page 133: 10.1.4 Air/Flue Gas Line

    Buderus sets In balanced flue operation, the fan draws in the required combustion air from the outside into the gas condensing boiler. The air/flue gas line of the Buderus sets is a concentric pipe or a pipe-in-pipe system made of plastic/steel.
  • Page 134 – L for designs without casing The flue system must be identified as system-certified following installation. For this purpose, an ID label is supplied with each standard set to provide system certification ( fig. 119). 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 135 Generally, a chimney sweep should clean the chimney Shafts for flues must not be used for any prior to installing a flue system with the Buderus GA-K or other purpose. ÜB-Flex set in conjunction with GA-K if one or more of the following applies: •...
  • Page 136 • The solar lines including their thermal insulation must correspond to the requirements of the flue where their temperature resistance is concerned. 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 137: 10.1.5 Inspection Apertures

    DIN 18160-5 in front of the lower inspection aperture. ≤ 0,3 6 720 641 280-59.1il Fig. 121 Example with the inspection apertures (P) located in a flue with diversions in the installation room - top view (dim. in m) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 138: Vertical, Concentric Air/Flue Gas Routing Above The Roof With The Do Set (Dn80/125) For Logamax Plus Gb162

    137). On the roof, maintain minimum Logamax plus Dimension A clearances towards windows ( fig. 125). [mm] ≈ 70 GB162-15/25/35/45 ≈ 85 GB162-50 Table 62 Installation dimensions of the concentric boiler flue connection ( fig. 123) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 139 7 747 009 801-79.1il Fig. 125 Minimum clearances towards windows with the DO set (dim. in m) (examples in accordance with the Muster-Feuerungsverordnung [Germany]; regulations page 132) No special clearance required 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 140 Vertical, concentric air/flue gas routing above the roof with the DO set Product no. Details Standard DO set for the Logamax plus GB162 up to 50 kW DO with plastic roof outlet PP/PE, steel inside, painted white, black exterior 77 190 036 60 fig.

  • Page 141: Vertical, Concentric Air/Flue Gas Routing Above The Roof With The Do Set (Dn110/160) For Logamax Plus Gb162-45, Gb162-50, Gb162-65, Gb162-80 And Gb162-100

    Flue systems for balanced flue operation 10.3 Vertical, concentric air/flue gas routing above the roof with the DO set (DN110/160) for Logamax plus GB162-45, GB162-50, GB162-65, GB162-80 and GB162-100 Appliance type C DO set The Logamax plus GB162-50/65/80/100 requires a...
  • Page 142 DO set (order separately; dim. in mm) For flat roof For pitched roof Adhesive flat roof flange Universal roof tile Tiles for alternative roof slopes available on request. 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 143 130, 77 472 085 70 barrier pos. 13 Concentric expansion piece, from DN80/125 to DN110/160 87 090 868 – Table 66 Components of the DO set for boilers from 45 kW 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 144: Air/Flue Gas Routing Via Concentric Pipe Through A Shaft With Do-S Set For The Logamax Plusgb162 Up To 45 Kw

    Minimum dimensions and inspection apertures Allow for inspection apertures in accordance with regulations ( page 137). 6 720 641 280-65.1il Fig. 133 Installation version (dim. in mm) Flue gas Ventilation air Air/flue gas concentric 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 145 Air/flue gas routing via concentric pipe through a shaft with DO-S set Product no. Details Standard DO-S set for Logamax plus GB162 up to 45 kW DO-S in PP plastic/zinc-plated steel, painted white, Ø 80/125 mm 77 472 153 68 fig.

  • Page 146: Concentric Air/Flue Gas Routing Through A Flue And Shaft With Ga-K Set (Dn80/125) For The Logamax Plus Gb162 Up To 45 Kw

    Flue systems for balanced flue operation 10.5 Concentric air/flue gas routing through a flue and shaft with GA-K set (DN80/125) for the Logamax plus GB162 up to 45 kW Appliance type C (formerly C order [Germany]). Where this cannot be ensured, design the flue using non-combustible materials (e.g.
  • Page 147 Concentric air/flue gas routing through a flue and shaft with GA-K set Product no. Details DN80 and Standard GA-K set for Logamax plus GB162 up to 45 kW DN110 DN80/125 GA-K in PP plastic/zinc-plated steel (painted white), 77 472 153 65 87 094 344 fig.

  • Page 148: 10.6 Concentric Air/Flue Gas Routing Through A

    (according to the state combustion order [Germany]). Where this cannot be ensured, design the flue using non-combustible materials (e.g. stainless steel fig. 139) and route it inside the shaft used for the condensing boiler. 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 149 Fig. 141 Plastic components of the standard GA-K set Concentric air/flue gas routing through a flue and shaft with GA-K set Product no. Details Standard GA-K set for Logamax plus GB162 from 50 kW DN110/160 GA-K in PP plastic/zinc-plated steel (painted white), 87 094 054 fig.

  • Page 150: Concentric Air/Flue Gas Routing Through A Flexible Flue And Shaft With Üb-Flex Set In Conjunction With The Ga-K Set

    10.7 Concentric air/flue gas routing through a flexible flue and shaft with ÜB-Flex set in conjunction with the GA-K set For the Logamax plus GB162 the ÜB-Flex set is only Minimum dimensions and inspection apertures permissible in conjunction with the GA-K ( fig.
  • Page 151 72, page 149 Table 74 Components of the ÜB-Flex set in conjunction with the GA-K set for, but not in connection with stainless steel shaft cover and terminal pipe 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 152: Concentric Air/Flue Gas Routing On An Exterior Wall With Gaf-K Set For The Logamax Plus Gb162 Up To 45 Kw

    146). This requires the concentric roof outlet and either an adhesive flat roof flange or a universal roof tile with rain cap as auxiliary equipment ( fig. 147, roof outlet). 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 153 Concentric air/flue gas routing on an external wall with GAF-K set Product no. Details Standard GAF-K set for the Logamax plus GB162 up to 45 kW Plastic GAF-K in plastic PP/zinc-plated steel (painted white) inside the installation room and 77 472 153 69 fig.

  • Page 154: Concentric Air/Flue Gas Routing On An Exterior Wall With Gaf-K Set For The Logamax Plus Gb162 From 50 Kw

    Flue gas Ventilation air 400 mm sufficient if the output is restricted to 50 kW Alternative Ventilation air: ≥ at 30 cm (observe the height of snow deposits!) Stainless steel 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 155 Concentric air/flue gas routing on an exterior wall with GAF-K set Product no. Details internal and external Standard GAF-K set for the Logamax plus GB162 from 50 kW DN110/160 GAF-K in plastic PP/zinc-plated steel (painted white) inside the installation room 87 094 056 fig.

  • Page 156: Concentric Air/Flue Gas Routing Via A Separate Combustion Air Line Inside The Installation Room And Via A Flue With Secondary Ventilation In A Shaft With

    10.10 Concentric air/flue gas routing via a separate combustion air line inside the installation room and via a flue with secondary ventilation in a shaft with GAL-K set For the Logamax plus GB162 the Buderus GAL-K set is 120 × 120 140 ×...
  • Page 157 GAL-K, Ø 100/160 mm for GB162 (from 50 kW) 87 094 058 For the operation of the Logamax plus GB162, the GAL-K extension set is only permissible in conjunction with standard GA-K set. To combine the GAL-K extension set with the standard GA-K set (PP plastic/zinc-plated steel (painted white)): fig.

  • Page 158: 10.11 Concentric Air/Flue Gas Routing Via An Air/Flue Gas System With Las-K Set

    Practice G 636 “Gas appliances for connection to an air/flue gas system operating with negative pressure (standardised procedure).” Inspection apertures Allow for inspection apertures in accordance with regulations ( page 137). 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 159 (Ø 80 mm, 500 mm long; Ø 125 mm, 300 mm long Concentric air/flue gas routing via an air/flue gas system Product no. Details Standard LAS-K set for Logamax plus GB162 gas condensing DN80/125 DN110/160 boilers, PP plastic/zinc-plated steel (painted white)

  • Page 160: 11 Individual Components For Flue Systems

    [mm] [mm] 50–70 87° 112.9 59.9 45° 100.9 30° 94.3 10.5 15° 84.9 87° 45° 30° 10.5 Ø80 15° Table 83 Bend dimensions 300–400 Fig. 161 Shaft cover (dim. in mm) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 161: 11.1.2 Components For Individual Appliances

    Adhesive flat roof flange, adjustable from 0° to 15° Ø138 Ø [mm] [mm] [mm] [mm] [mm] [mm] 15° 98,3 ≤ 300 ≤ 300 Table 86 Chimney connection dimensions Fig. 169 Adhesive flat roof flange (dim. in mm) 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 162: Internal Diameter Ø 125 Mm Or

    Concentric sliding piece/installation aid Ø139 Ø110 Ø80 Fig. 175 Concentric pipe with inspection aperture 245 320 (dim. in mm) Ø80 Ø126 6 720 642 463-120.1il Fig. 172 Concentric sliding piece (dim. in mm) 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 163 Fig. 181 Concentric ventilation air tee (dim. tab. 92) Fig. 179 Offset dimensions, concentric Ø bend Ø 110/160 (dim. tab. 90) [mm] [mm] [mm] [mm] 80/125 110/160 Table 92 Concentric ventilation air tee dimensions 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 164 Roof outlet with terminal piece, stainless steel (for GAF-K set) Fig. 183 Roof outlet with terminal piece Ø [mm] [mm] [mm] 80/125 1250 110/160 1750 Table 94 Roof outlet with terminal piece dimensions 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 165: 11.1.4 Components For Headers, Internal Diameter

    6 720 642 463-106.1il Table 96 Dimensions, pipe with inspection aperture Fig. 187 Shaft cover (dim. in mm) Spacer for flue inside a shaft 6 720 642 463-107.1il Fig. 188 Spacer 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 166 2 × 45° long 1060 2 × 30° long 1060 2 × 90° 1051 Table 99 Dimensions, flue gas header 2 × 45° 1121 2 × 30° 1053 Table 101 Offset dimensions 6 720 645 821 (2010/09) – Logamax plus GB162...

  • Page 167: Index

    DHW circulation line ..............Integral ..............Separate ........– Diaphragm expansion vessel DO set (45 to 100 kW) ..........– Components ......... Maximum total flue length ...... Minimum clearances towards windows 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 168 Set GA (up to 45 kW) ........– ......... Connection accessories Maximum total flue length .............. Dimensions Set GAF-K (50 to 100 kW) ......................Equipment overview Components ....................Function principle Maximum total flue length 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 169 ÜB-Flex set with GA-X und GA-K (up to 35 kW) ......... Maximum total flue length ......– – Underfloor heating system ....... Universal burner control unit UBA3.5 ......– 3-way diverter valve 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 170 Notes 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 171 Notes 6 720 645 821 (2010/09) – Logamax plus GB162...
  • Page 172 Bosch Thermotechnik GmbH Sophienstrasse 30 - 32 35576 Wetzlar www.buderus.com...

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