Buderus Logamatic 2107 Applications Manual
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Buderus Logamatic 2107 Applications Manual

Modular control system for floor standing boilers with indoor reset, outdoor reset, mixed zones, and solar dhw capability
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Logamatic 2107 Controls
Applications Manual
Modular control system for
Buderus fl oor standing boilers with
indoor reset, outdoor reset, mixed zones,
and solar DHW capability

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Summary of Contents for Buderus Logamatic 2107

  • Page 1 Logamatic 2107 Controls Applications Manual Modular control system for Buderus fl oor standing boilers with indoor reset, outdoor reset, mixed zones, and solar DHW capability...
  • Page 2 Logamatic 2107 Controls Applications Manual Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 3: Table Of Contents

    5 Setting Parameters 6 Troubleshooting 7 Description of Wiring Terminals 8 Application Drawings 9 Burner/Boiler Wiring 10 Multi-zone Relay Controls 11 Mixing 12 Tables/Formulas Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 4: Introduction

    Bosch Thermotechnology Corp. Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological improvements . Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 5: Term

    With the Buderus control system this temperature is adjustable from 49°F to 87°F (9°C to 31°C). When However, a building‘s heat loss is ever changing; and is largely the outdoor temperature rises above the WWSD set point, the dependent on outdoor temperature.
  • Page 6 “SETBACK” and “RMSETBACK”. Unlike conventional setback thermostats that only reduce the zone temperature setting, the Buderus control system will operate the boiler at a reduced water temperature. For example, at a 30°F (-1°C) outdoor temperature the boiler water temperature may be 145°F (63°C), at that same 30°F (1°C) outdoor temperature during a...

  • Page 7: C Ontrol Programming

    Now push the AUT button and you will be back in Automatic above the freezetemp. In the SETBACK mode the curve mode. will drop back for fuel savings. If you have a room sensor Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 8 OASETBACK: Change to SETBACK if no room sensor is being used or RMSETBACK: if a room sensor is present Refer to page 10 for additional details. Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 9: I Nstallation Of The Logabracket

    GA124, GA244 These boilers do not require the bracket as strain relief connections are provided on the rear of the boiler. Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 10: Setting Parameters

    ROOM COMP Room temperature compensation³ OA SETBACK Type of setback OFFSET Room temperature offset Note: For footnotes, see next page 1 0 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 11 6 Only if FM 241 module is installed and if heating circuit 2 is selected as an "FLOOR HTG" or "PERIM HTG" heating system. 7 Only if FM 244 module is installed. | 11 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 12: Troubleshooting

    The diff erential is split above & below the current target temperature. 1 2 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 13 (terminal 4 is the neutral). now low voltage between terminals 10 & 11 on the R2107 and TT (or RW) on the boiler aquastat. | 13 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 14 Logamatic 2107 Controls Applications Manual 1 4 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 15 With this type of a call, you will want to increase the OFFSET setting. USE THE QUICK REFERENCE GUIDE FOR INITIAL PROGRAMMING | 15 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 16 1 - bad circulator 2 - stuck fl ow check 3 - piping is air bound 4 - closed valve 1 6 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 17: Description Of Wiring Terminals

    Note: Power to terminals 61 and 63 are interrupted when the system is in domestic water production. Therefore, there will never be power on terminals 24/25 and 61/63 at the same time, while operating in automatic mode | 17 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 18 300’ in length. Avoid running wire parallel to telephone or line voltage wires. 1 8 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 19 (refer to section 9 of this manual for detailed wiring information for FM242) FM244 Solar Card Solar pump Terminal 1/2 Collector sensor Terminal 1/2 Tank bottom sensor | 19 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 20: Application Drawings

    Detailed wiring schematics for oil burners, G124X, G234X and G334X gas boilers are located in section 9. 2 0 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 21 Logamatic 2107 Controls Applications manual Applications Manual Mechanical/Electrical Symbols | 21 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 22 3) Outdoor temperature exceeds WWSD setpoint 4) Initial part of setback period • This application requires a room sensor for constant   c irculation. 2 2 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 23 Logamatic 2107 Controls Applications manual Applications Manual LT GRY Figure 3 8.1 Electrical diagram | 23 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 24 1) DHW priority 2) Condensate protection 3) Outdoor temperature exceeds WWSD setpoint • This application does not require a room sensor. 2 4 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 25 Logamatic 2107 Controls Applications manual Applications Manual LT GRY Figure 5 8.2 Electrical diagram | 25 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 26 1) DHW priority 2) Condensate protection 3) Outdoor temperature exceeds WWSD setpoint 4) Initial part of setback period 2 6 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 27 • This application requires a multi-zone pump relay (not DHW Heating Operation: supplied by Buderus). 120V output from terminal 63 (PH-HKl) will energize the relay. However, the PH-HK1 circuit is limited • The tank sensor (FB) monitors domestic water temperature.
  • Page 28 1) DHW priority 2) Condensate protection 3) Outdoor temperature exceeds WWSD setpoint 4) This application does not require a room sensor. 2 8 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 29 1) DHW priority 2) Condensate protection 3) Outdoor temperature exceeds WWSD setpoint • This application does not require a room sensor. | 29 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 30 3) Outdoor temperature exceeds WWSD setpoint 4) Initial part of setback period • This application requires a BFU room sensor. 3 0 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 31 • This application requires a 24V transformer to power zone • During a call for DHW production the domestic pump (PS) is valves (not supplied by Buderus). Transformer must be sized turned on and the space-heating circuit (PH-HKl) is turned off .
  • Page 32 1) DHW priority 2) Condensate protection 3) Outdoor temperature exceeds WWSD setpoint • This application does not require a BFU room sensor. 3 2 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 33 2) Condensate protection 3) Outdoor temperature exceeds WWSD setpoint • This application requires a 24V transformer to power zone valves (not supplied by Buderus). Transformer must be sized • This application does not require a room sensor. per manufacturers instructions.
  • Page 34 2) Condensate protection • This application requires a room sensor for radiant fl oor 3) Outdoor temperature exceeds WWSD setpoint heating. 3 4 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 35 PS pump will be shut down and PH-HK1 circuit will be turned on. Note: 8.7 Electrical diagram on the following page | 35 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 36 Logamatic 2107 Controls Applications Manual Figure 15 8.7 Electrical diagram 3 6 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 37 • This application requires a BFU room sensor for radiant fl oor heating. | 37 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 38 8.8 Multi-Zone Radiant Floor Heating with FM241 Module and Motorized Mixing Valve/ Indirect DHW Heating Figure 16 8.8 Mechanical diagram 3 8 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 39 • After the DHW recharging and intelligent purge cycle is completed, the PS pump will be shut down and PH-HK1 circuit will be turned on. | 39 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 40 Logamatic 2107 Controls Applications Manual Figure 17 8.8 Electrical diagram 4 0 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 41 DHW production. (Refer to the Logamatic Service Manual for setting options) | 41 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 42 FK supply sensor in order to create fl ow past the sensor when the system pump (PH) is off . 8.9 Electrical diagram is on the following page 4 2 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 43 Logamatic 2107 Controls Applications manual Applications Manual Figure 19 8.9 Electrical diagram | 43 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 44 • After the DHW recharging and intelligent purge cycle is completed, the PS pump will be shut down and PH-HK1 circuit will be turned on. 4 4 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 45 FK supply sensor in order to create fl ow past the sensor when the system pump (PH) is off . 8.10 Electrical diagram is on the following page | 45 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 46 Logamatic 2107 Controls Applications Manual Figure 21 8.10 Electrical diagram 4 6 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 47 • After the DHW recharging and intelligent purge cycle is completed, the PS pump will be shut down and PH-HK1 circuit will be turned on. | 47 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 48 PH-HK1 connection from ZC on the pump relay. This will allow the on-demand zone to operate during DHW recharging cycles. Consideration to boiler sizing must be given. 4 8 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 49 PS pump will be shut down and PH-HK1 circuit will be turned on. Note: 8.11 Electrical diagram on the following page. | 49 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 50 Logamatic 2107 Controls Applications Manual Figure 23 8.11 Electrical diagram 5 0 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 51 (PH-HK1) is turned off . • This application requires a multi-zone pump relay (not supplied by Buderus). The on-demand zone also requires a • After the DHW recharging and intelligent purge cycle is separate pump relay to fi re the boiler on a call for heat. When...

  • Page 52: Burner/Boiler Wiring

          Isolation Relay for High Amp Burner (page 62) 9.11 Burner wiring diagram for: Taco ZVC Relay Used With Zone Valves (page 63) 5 2 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 53 Logamatic 2107 Controls Applications manual Applications Manual 9.1 Burner wiring diagram for: Buderus BE Burner | 53 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 54 Logamatic 2107 Controls Applications Manual 9.2 Burner wiring diagram for:   L 7148 Aquastat Relay 5 4 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 55 Logamatic 2107 Controls Applications manual Applications Manual 9.3 Burner wiring diagram for:   G 334X, G224E/73-128, Gas Boilers -Stage1 | 55 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 56 Logamatic 2107 Controls Applications Manual 9.4 Burner wiring diagram for: Riello F40 with AL 1009 Control 5 6 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 57 Logamatic 2107 Controls Applications manual Applications Manual 9.5 Burner wiring diagram for: Riello F40 Series F3, F5, F10 | 57 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 58 Logamatic 2107 Controls Applications Manual 9.6 Burner wiring diagram for: Carlin EZ1 with 40200-02 Control 5 8 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 59 Logamatic 2107 Controls Applications manual Applications Manual 9.7 Burner wiring diagram for: Carlin EZ66 - 70200 Control | 59 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 60 Beckett Genisys 7505 IGNITER IGNITER L2 (IGN) MOTOR MOTOR L2 (MTR) LIMIT L2 (MTR) VALVE OIL VALVE L2 (VLV) CAD CELL CELL 6 0 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 61 Logamatic 2107 Controls Applications manual Applications Manual 9.9 Burner wiring diagram for: Beckett AFG, CF, SMG - R8148 Control | 61 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 62 Logamatic 2107 Controls Applications Manual 9.10 Burner wiring diagram for: Isolation Relay for High Amp Burner 6 2 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 63 Logamatic 2107 Controls Applications manual Applications Manual 9.11 Burner wiring diagram for: Taco ZVC Relay Used With Zone Valves | 63 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 64: Multi-Zone Relay Controls

    Taco models SR502, SR503 (page 65) 10.2 Multi-zone relay control wiring diagram for: Taco models SR504, SR506, SR503-EXP, SR504-EXP, SR506-EXP (page 66) 6 4 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 65 Logamatic 2107 Controls Applications manual Applications Manual 10.1 Multi-zone relay control wiring diagram for: Taco models SR502, SR503 | 65 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 66 Logamatic 2107 Controls Applications Manual 10.2 Multi-zone relay control wiring diagram for: Taco models SR504, SR506, SR503- EXP, SR504-EXP, SR506-EXP 6 6 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 67: Mixing

    11 Mixing Description (page #) 11.1 Mixing Valves (page 68) 11.1.1 Mixing Valve Motor Wiring for: 24 volt wiring (page 69) | 67 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 68 Buderus generally recommends the use of 3 way mixing valves when using a Buderus boiler. Due to the fl exibility and corrosion resistance of the Buderus boiler and the condensate protection feature of the...
  • Page 69 Logamatic 2107 Controls Applications manual Applications Manual 11.1.1 Mixing Valve Motor Wiring for: 24 volt wiring | 69 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...

  • Page 70: Tables/Formulas

    3" * 3" * 140,000 * Requires VM83 motor and VL800 linkage 150,000 160,000 10.7 170,000 11.3 180,000 190,000 12.7 7 0 | Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 71 Kilowatts x 3,413 Natural Gas 1 therm = 100,000 BTU #2 Oil 1 gallon = 139,000 BTU Propane 1 gallon = 91,800 BTU | 71 Logamatic 2107 Controls applications manual | 06.2018 Technical specifi cations are subject to change without prior notice...
  • Page 72 65 Grove Street Watertown, MA 02472 Tel.: 866-642-3198 Fax: 603-965-7581 www.boschheatingandcooling.com Products manufactured by: Bosch Thermotechnik GmbH Sophienstrasse 30-32 D-35576 Wetzlar www.buderus.de Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances.

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