Buderus FM443 Installation And Service Instructions Manual
  1. Manuals
  2. Brands
  3. Buderus Manuals
  4. Heating System
  5. FM443
  6. Installation and service instructions manual
Buderus FM443 Installation And Service Instructions Manual

Buderus FM443 Installation And Service Instructions Manual

Solar module
Hide thumbs Also See for FM443:
Table of Contents

Advertisement

Quick Links

Download this manual
Installation and Service
Instructions
FM443
Solar Module
Function module
For heating
contractors
Read carefully prior to
commissioning and
service work

Advertisement

Table of Contents
loading

Related Manuals for Buderus FM443

Summary of Contents for Buderus FM443

  • Page 1 Installation and Service Function module Instructions FM443 For heating contractors Solar Module Read carefully prior to commissioning and service work...

  • Page 2: Table Of Contents

    ......... 55 FM443 Function module - We reserve the right to make technical modifications.

  • Page 3: Safety

    The FM443 function module can be installed in the control panels of the Logamatic 4000 control system. For the system to operate perfectly you will require control panel software version 4.17 or higher. FM443 Function module - We reserve the right to make technical modifications.

  • Page 4: Standards, Regulations And Directives

    Indicates a potentially dangerous situation that could cause minor CAUTION! or moderately serious injuries or damage to property. USER NOTE Tip for optimum use of equipment and adjustment as well as useful information. FM443 Function module - We reserve the right to make technical modifications.

  • Page 5: Please Observe These Notes

    Therefore secure individual cables together in bundles (e.g. with cable ties) or strip off only a minimum of the outer insulation. FM443 Function module - We reserve the right to make technical modifications.

  • Page 6: Disposal

    Buderus is excluded from the Buderus warranty. Disposal Electronic components do not belong in household waste. Dispose of defunct modules correctly through an authorized disposal site. FM443 Function module - We reserve the right to make technical modifications.

  • Page 7: Product Description

    (version 4.17 or higher). For more information, contact your Buderus wholesaler. You can install only one of the FM443 function modules into one control panel of the Logamatic 4000 control system. The main function of the FM443 function module is to integrate a solar system with one or two solar consumers (e.g.
  • Page 8 10 3-way switching valve in solar circuit 1 position 11 Manual switch (solar circuit selection) LED constantly ON: Pump running (100 %) LED "flickers": Pump modulates LED OFF: Pump OFF FM443 Function module - We reserve the right to make technical modifications.

  • Page 9: Inputs And Outputs, Connections

    Solar circuit pump 2 3-way switching valve (tank 1/tank 2) Solar circuit 2 secondary pump Buffer bypass circuit: 3-way switching valve PSS1 Solar circuit pump 1 Tab. 1 Connections 120 V FM443 Function module - We reserve the right to make technical modifications.
  • Page 10 Flow meter from solar circuit for heat metering FSS2 Temperature sensor for solar consumer 2 Sensor Temperature sensor for solar consumer 1 Collector temperature sensor Tab. 2 Low-voltage connections FM443 Function module - We reserve the right to make technical modifications.

  • Page 11: Installation In The Logamatic 4000 Control Panels

    The heating zone modules should be installed in the control panel starting from the left side. The FM443 function module can be installed in any free slot in the 4000 series control panels (e.g. slot 1 – 4 in Logamatic 43xx).

  • Page 12: Positions Of Manual Switches

    The various positions of the manual switch have different effects on the solar circuits or the two solar consumers. USER NOTE In normal operation the manual switches should be in the AUT position. FM443 Function module - We reserve the right to make technical modifications.
  • Page 13 – the storage tank temperature drops, so that reheating may start, for example. – the collector protection is disabled. – the tank protection is disabled. – the collector frost protection is disabled. FM443 Function module - We reserve the right to make technical modifications.
  • Page 14 The automatic changeover is disabled. If the corresponding solar yield is available, only solar consumer "1" (solar circuit 1) is loaded. The automatic changeover is disabled. Tab. 5 Manual switch positions FM443 Function module - We reserve the right to make technical modifications.

  • Page 15: The Functions Of The Fm443

    Fig. 2 MEC2 remote control Display Dial Function keys To enter the service level press this key combination (key code) until "service level – general data" is displayed. FM443 Function module - We reserve the right to make technical modifications.
  • Page 16 Press "Display" to select the main menu "module selection" "module selection – Slot A" is shown on the display. module selection Slot A boiler module ZM434 FM443 Function module - We reserve the right to make technical modifications.
  • Page 17 Turn the dial to the position (slot) where the FM443 function module is installed. For example, the FM443 function module is to be installed in slot 2. Hold "Display" down (the text on the bottom line begins to flash), and turn the dial until the FM443 function module appears on the display.

  • Page 18: Changing The Operating Mode

    Open the flap of the MEC2 remote control. Press and hold the "heating zone" button. Turn the dial until "select heat zone – solar" appears on the display. Release the "heating zone" button. FM443 Function module - We reserve the right to make technical modifications.
  • Page 19 The cold medium (32 °F (< 0 °C)) of the solar thermal system (e.g. glycol: water mixture) can flow from the collector to the storage tank – the storage tank temperature drops, so that reheating may start, for example. FM443 Function module - We reserve the right to make technical modifications.

  • Page 20: Solar Consumer "1" - Solar Circuit 1

    The maximum tank temperature can now be set. Input range Factory setting max temperature tank 1 86 °F – 194 °F (30 °C – 90 °C) 140 °F (60 °C) FM443 Function module - We reserve the right to make technical modifications.
  • Page 21 Input range Factory setting tank 1 lower to none none 86 °F – 129 °F (30 °C – 54 °C) FM443 Function module - We reserve the right to make technical modifications.

  • Page 22: Buffer Integration

    Turn the dial until "service level – solar" appears on the display. Press "Display" to select the main menu "SOLAR". Turn the dial until "SOLAR DATA – buffer integration none" appears on the display. SOLAR DATA buffer integration none FM443 Function module - We reserve the right to make technical modifications.
  • Page 23 Here it is possible to distinguish whether tank 1 or tank 2 should function as a dual-purpose tank. FM443 Function module - We reserve the right to make technical modifications.
  • Page 24 If you have activated the buffer bypass changeover, then you can set the changeover thresholds for buffer and bypass flow on the "SOLAR DATA" menu. FM443 Function module - We reserve the right to make technical modifications.
  • Page 25 Now you can set the changeover temperature difference for the bypass flow. Input range Factory setting bypass in use if ΔT greater 9 °F – 27 °F (5 °C – 15 °C) 9 °F (5 °C) FM443 Function module - We reserve the right to make technical modifications.

  • Page 26: Solar Circuit Heat Meter

    Tab. 2, page 10). Activate the "BTU counter" function. If you have activated this function ("yes") then you must set the corresponding glycol content of the solar circuit. FM443 Function module - We reserve the right to make technical modifications.
  • Page 27 SOLAR DATA counter Press and hold the "Display" button and turn the dial. The heat amount recording can now be activated. Input range Factory setting BTU counter FM443 Function module - We reserve the right to make technical modifications.
  • Page 28 The solar yield is calculated from the specific heat capacity of the medium in the solar circuit and the flow. Input range Factory setting antifreeze cont. 50 % 30 % 40 % 50 % FM443 Function module - We reserve the right to make technical modifications.
  • Page 29 Now you can set the display of the solar data for the statistics function. Input range Factory setting heat consumption none none burner* solar only for single-stage floorstanding boilers without EMS FM443 Function module - We reserve the right to make technical modifications.

  • Page 30: Pump Function - Secondary Circuit Pump

    Turn the dial until "SOLAR DATA – circ function none" appears on the display. SOLAR DATA circ function none Press and hold the "Display" button and turn the dial. Now you can set the pump function. FM443 Function module - We reserve the right to make technical modifications.
  • Page 31 No pump function If for the pump function "none" is set, the module assumes that no pump is connected and this output is not activated by the FM443 function module. Secondary tank 2 If for the pump function "secondary tank 2" is set, the pump connected works as secondary pump for the loading of the second solar consumer;...
  • Page 32 Fig. 3 Compl. loading with switching with a solar storage tank FM443 Function module - We reserve the right to make technical modifications.
  • Page 33 140 °F (60 °C) once a day in order to avoid the formation of legionella bacteria and for thermal disinfection of the solar pre-heat stage. Fig. 4 Reloading for tank sequence switching FM443 Function module - We reserve the right to make technical modifications.
  • Page 34 You can now set the start-up temperature difference for the reloading circulator. Input range Factory setting reloading circ start-up 9 °F – 27 °F (5 °C – 15 °C) 18 °F (10 °C) FM443 Function module - We reserve the right to make technical modifications.
  • Page 35 You can now set the start-up temperature difference for the reloading circulator. Input range Factory setting reloading circ shut down 4 °F – 18 °F (2 °C – 10 °C) 9 °F (5 °C) FM443 Function module - We reserve the right to make technical modifications.

  • Page 36: Heat-Up Of The Pre-Heat Stage

    Solar tank 1 – heating Call up the service level. Turn the dial until "service level – solar" appears on the display. Press "Display" to select the main menu "SOLAR". FM443 Function module - We reserve the right to make technical modifications.
  • Page 37 The settings for daily heating and thermal disinfection are made using the hot water function ( Service instructions for the control panel). Input range Factory setting solar tank 1 heating disinfection heat up disinf.+ heat up FM443 Function module - We reserve the right to make technical modifications.

  • Page 38: Solar Consumer "2" - Solar Circuit 2

    Solar consumer "2" – solar circuit 2 If you want to integrate a second solar consumer (e.g. swimming pool or buffer storage tank) into the controls via the FM443 function module, you must activate the "2nd consumer" function. The second consumer can be loaded by a 3-way valve or a separate pump.
  • Page 39 Press and hold the "Display" button and turn the dial. The various switching options can now be set. Input range Factory setting switch automatic automatic always tank 1 always tank 2 FM443 Function module - We reserve the right to make technical modifications.
  • Page 40 The maximum tank temperature can now be set. Input range Factory setting max temperature tank 2 68 °F – 194 °F (20 °C – 90 °C) 140 °F (60 °C) FM443 Function module - We reserve the right to make technical modifications.

  • Page 41: Relay Test

    – the storage tank temperature drops, so that reheating may start, for example. – the collector protection is disabled. – the tank protection is disabled. – the collector frost protection is disabled. FM443 Function module - We reserve the right to make technical modifications.
  • Page 42 The function (on/off) of the following relays can be tested: – 3-way changeover valve – bypass – prim. circ SP1 – prim. circ SP2 – sec. circ SP2 FM443 Function module - We reserve the right to make technical modifications.

  • Page 43: Fault Log

    – heat consumption return sensor – collector sensor – sensor bottom tank 1 – sensor bottom tank 2 – differential selection – volume flow reading FM443 Function module - We reserve the right to make technical modifications.

  • Page 44: Fault

    Return sensor not module (FPB-FR). connected or not correctly connected. Check the sensor on the bypass for breaks FM443 or control or incorrect installation defective. position. Check the device fuse. FM443 Function module - We reserve the right to make technical modifications.
  • Page 45 Check the sensor on heated. defective. tank 1 for breaks or incorrect installation Tank 1 sensor is not position. connected or incorrectly connected. Check the device fuse. FM443 or control defective. FM443 Function module - We reserve the right to make technical modifications.
  • Page 46 FM443? FM443 function Check the function of module defective. the solar module. The hydraulic system Replace the FM443 is defective. function module if necessary. FM443 Function module - We reserve the right to make technical modifications.

  • Page 47: Monitor Data

    Turn the dial until "monitor SOLAR" appears on the display. Press "Display" to open the "monitor SOLAR" submenu. The current values and system status can be read in the submenu. FM443 Function module - We reserve the right to make technical modifications.

  • Page 48: Solar Consumer "1" - Solar Circuit 1

    The solar yield of the collector is insufficient to load tank 1. LOW FLOW Tank 1 is heated at a greater temperature difference (low flow). HIGH FLOW Tank 1 is heated at a lower temperature difference (high flow). FM443 Function module - We reserve the right to make technical modifications.

  • Page 49: Buffer Bypass Circuit

    The buffer bypass switching is switched off or was not activated via the MEC2 remote control. The relevant outputs are not actuated by the solar control. FM443 Function module - We reserve the right to make technical modifications.

  • Page 50: Solar Circuit Heat Meter

    The display shows the current flow of the flow meter (heat meter kit) and the corresponding supply and return temperatures of the monitor SOLAR solar circuit. Volume 238gal/h supply 194°F return 86°F FM443 Function module - We reserve the right to make technical modifications.

  • Page 51: Solar Consumer "2" - Solar Circuit 2

    FM443 function module. STAND STILL The solar yield of the collector is insufficient to load tank 2. HIGH FLOW Tank 2 is heated at a lower temperature difference (high flow). FM443 Function module - We reserve the right to make technical modifications.
  • Page 52 The control is in "MANUAL ON" mode. This means that solar circuit 2 is actuated. All control functions of the FM443 function module are deactivated but for control of the collector maximum temperature. FM443 Function module - We reserve the right to make technical modifications.
  • Page 53 SP2 on/off 7.4.3 Solar yield The display shows the total and momentary solar yield of solar circuit 2. monitor SOLAR solar output 2 68240MBTU/h Mom 1535.4BTU/h FM443 Function module - We reserve the right to make technical modifications.

  • Page 54: Sensor Curve

    Using the diagram you can check whether temperature and resistance correlate. Collector sensor (FSK) curve (-50) (50) (100) (150) (200) (250) [°F (°C)] 6 720 618 330-01.1RS Fig. 5 Collector sensor (FSK) curve FM443 Function module - We reserve the right to make technical modifications.

  • Page 55: Index

    Manual ON ... . . 18 Manual switch ....12 Maximum storage tank temperature . . 20 FM443 Function module - We reserve the right to make technical modifications.
  • Page 56 50 Wentworth Avenue Londonderry, NH 03053 Tel. 603-552-1100 Fax 603-584-1681 www.buderus.net U.S.A. Products manufactured by Bosch Thermotechnik GmbH Sophienstraße 30-32 D-35576 Wetzlar www. buderus.de Bosch Thermotechnology Corp. reverves the right to make changes without notice due to continuing engineering and technological advances.

Table of Contents