Инструкция на Функциональный модуль Buderus серии FM 443 бренда Buderus

Installation and Service

Instructions Function module FM443 Solar Module For heating contractors - 11/2008 US/CA Read carefully prior to commissioning and service work

Contents

1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 1.2 1.3 1.4 1.5 1.6 2 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 2.2 2.3 3 About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Intended…

About this manual 1 This section contains general safety instructions that you must observe when servicing the FM443 function module. The other sections of the service instructions contain additional safety instructions that must also be observed. Read the safety instructions carefully before…

Safety Standards, regulations and directives USER NOTE Observe all regulations and standards applicable to installation and operation of the system in your country. USER NOTE All electrical components must be approved for the USA and Canada! This product has been tested and certified and meets…

1 Please observe these notes The FM443 function module has been designed and built in accordance with currently recognized standards and safety requirements. However, damage resulting from improper service work cannot be completely prevented. Before starting service work on the FM443 function module…

RISK OF INJURY/

SYSTEM DAMAGE CAUTION! due to operator error! Operator errors can cause injury and damage to property. z Ensure that children never operate the appliance unsupervised or play with it. z Ensure that only personnel trained to operate the appliance correctly have access to it. DEVICE DAMAGE through…

USER NOTE

Before installing the FM443 function module, check the software version of the controller module (CM431) and MEC2 remote control (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…

Fig. 1 Front panel of FM443 function module 1 Manual switch (solar circuit 1) 2 LED "Three-way valve" in case of buffer bypass circuit (central heating via tank) 3 LED "Three-way valve" in case of buffer bypass circuit (no central heating via tank) 4 Solar circuit pump 1* 5 Maximum temperature…

2 Inputs and outputs, connections The low-voltage terminals and the 120 V outputs are on the top rear of the FM443 function module. Colored labels with inscriptions matching the appropriate plugs are attached to the strips. Plugs are color-coded. Designation Tab. 1 Description Netz Power supply PSS2…

USER NOTE

Ensure that you connect the FPB sensors correctly and install them in their correct positions depending on the type of system circuits (buffer bypass or storage tanks in series). Name Description FR Buffer bypass circuit: return temperature sensor FP Buffer bypass circuit: buffer storage tank…

2 Installation in the Logamatic 4000 control panels USER NOTE Position the FM443 function module as far to the right as possible in the control panel. This ensures that the heating zones are in a logical order. The heating zone modules should be installed in the control panel starting from the left…

Product description Positions of manual switches SYSTEM DAMAGE CAUTION! if the manual switch is set to "Manual" for an extended period the solar system may be damaged or parts may be damaged. z Use the "Manual" position for short periods only. The various positions of the manual switch have…

2 Manual switch (solar circuit 1) USER NOTE If the manual switch is not in automatic mode, a message to that effect appears on the MEC2 remote control, and the "Module fault" LED on the module lights up. Position Effect Solar circuit 1 (solar circuit pump 1) and the bypass (3-way valve) are switched…

Manual switch (solar circuit selection) USER NOTE If the manual switch is not in automatic mode, a message to that effect appears on the MEC2 remote control, and the "Module fault" LED on the module lights up. Position Effect The selection of the solar circuit is switched off. Use this setting only…

The following sections explain how to use and set the various

functions via the MEC2 remote control. 3.1 Integrating the FM443 function module in the control panel Calling up the service level service level general data The service instructions for your Logamatic 4xxx control panel explain in detail how you operate the MEC2 remote control. The following…

Integration of FM443 function module at the MEC2 level

After you have installed the FM443 function module (Æ see installation instructions "Modules for 4xxx control panels"), your control panel will detect it automatically when it is switched on. USER NOTE If the FM443 function module is not recognized automatically, you will need to install it manually…

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. Release the "Display" button. Press "Back". The FM443 function module…

The functions of the FM443 Changing the operating mode You can change the operating mode of the solar control. The operating modes are as follows: – Manual ON ("day mode" button) – Manual OFF ("night mode" button) – Automatic operation ("AUT" button) USER NOTE With the operating mode "Manual ON"…

Different operating modes

Press manual ON ("day mode" button) to set the solar control unit to "permanent on". Press the "AUT" button to set the solar control to automatic. Press manual OFF ("night mode" button) to switch off the solar control. Operating mode Input range Factory setting automatic OFF ON automatic Manual ON…

The functions of the FM443 Solar consumer "1" – solar circuit 1 You can integrate a first consumer (e.g. storage tank) into the controls using the FM443 function module. USER NOTE Only integrate a storage tank water heater for DHW heating as solar consumer "1". 3.3.1 Set the maximum storage tank…

3 Setting the storage tank temperature lowering (optimization function) Call up the service level. 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 – solar tank 1 lower to" appears on the display.…

The functions of the FM443 Buffer integration With this parameter, you set how a buffer storage tank, if one is present, should be integrated into the system. The buffer can be integrated as: – none: not present (factory setting) – buffer bypass – dual-purpose (storage tank) SP1 – dual-purpose…

Press and hold the "Display" button and turn the dial

Now you can set the integration of the buffer tank. buffer integration Input range Factory setting none buffer-bypass pendulum DHW 1 pendulum DHW 2 none No buffer integration If you set the integration to "none", then the module assumes that no buffer tank is to be taken into consideration. Buffer…

Setting buffer and bypass flow Depending on the temperature difference between the buffer tank (sensor FPB-FP) and the system return (sensor FPB-FR), the buffer bypass control controls the operation of the 3-way valve. Buffer integration: flow rate through buffer tank Buffer tank bypass: flow…

Turn the dial one click clockwise until "SOLAR DATA

– buffer in use if ΔT greater" appears on the display. SOLAR DATA buffer in use if ΔT greater 18°F Press and hold the "Display" button and turn the dial. Now you can set the changeover temperature difference for the buffer flow. buffer in use if ΔT greater Input range Factory setting 13 °F – 36 °F…

Solar circuit heat meter If a heat meter set is installed in the solar circuit, you can show its values on the display of the MEC2 remote control. This applies differently for the heat amount of the first and second solar consumers. The heat quantity of the second solar consumer is calculated from…

3 Activating heat metering Call up the service level. Turn the dial until "service level – solar" appears on the display. Press "Display" to open the main "SOLAR DATA" menu. Turn the dial until "SOLAR DATA – BTU counter" appears on the display. SOLAR DATA BTU counter no Press and hold the "Display"…

Setting glycol content If heat metering has been activated, the glycol content must be set in the "SOLAR DATA" menu level. Turn the dial one click clockwise until the display shows "SOLAR DATA – antifreeze cont.". SOLAR DATA antifreeze cont. 50% Press and hold the "Display" button and turn the dial.…

3 Activate statistics function Call up the service level. Turn the dial until "service level – general data" appears on the display. Press "Display" to select the main menu "general specs" Turn the dial until "general specs – heat consumption no display" appears. general specs heat consumption no…

The functions of the FM443 Pump function – secondary circuit pump The solar module has a pump output, which, depending on use, can be programmed with different functions. The pump can be integrated with the following functions: – none: not present (factory setting) – secondary tank 2 (secondary…

circ function

Input range Factory setting none secondary tank 2 compl. loading reloading circ none 3 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…

Complete loading

If "compl. loading" is selected, the pump is used to heat the solar pre-heat stage of a bivalent solar storage tank to 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. FB PS2 FSS Fig. 3 32 Compl. loading with…

Reloading circulator

If "reloading circ" is selected, the pump is used in serial tank systems to load from the solar storage tank to the boiler fired storage tank. This means that as soon as the solar storage tank is warmer than the storage tank heated by the boiler, the pump PS2 is switched on and the tanks are…

Setting reloading circ start-up Reloading will be started as soon as a higher temperature is measured on the FSS solar sensor than is set on the FB hot water sensor. Call up the service level. Turn the dial until "service level – solar" appears on the display. Press "Display" to select the main menu…

3 Setting reloading circ shut down If the temperature on the FSS solar sensor approaches the temperature of the FB hot water sensor, the reloading ends. Call up the service level. Turn the dial until "service level – solar" appears on the display. Press "Display" to select the main menu "SOLAR".…

The functions of the FM443 Heat-up of the pre-heat stage If "compl. loading" or "reloading circ" has been selected, it is possible to also heat the solar pre-heat stage (the lower half of a bivalent storage tank) during thermal disinfection and/or the daily heating to 140 °F (60 °C) to avoid the…

Turn the dial until "SOLAR DATA – solar tank 1 heating off"

appears on the display. SOLAR DATA solar tank 1 heating off Press and hold the "Display" button and turn the dial. Now you can set the heating of the pre-heat stage. USER NOTE The settings for daily heating and thermal disinfection are made using the hot water function (Æ Service instructions for…

The functions of the FM443 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…

3 Setting switching options If the second solar consumer has been activated, the switching must be set in the "SOLAR DATA" menu level. Turn the dial until "SOLAR DATA – switch" appears on the display. SOLAR DATA switch automatic Press and hold the "Display" button and turn the dial. The various…

Set the maximum storage tank temperature If the second solar consumer has been activated, the maximum tank temperature must be set in the "SOLAR DATA" menu level. Turn the dial until "SOLAR DATA – max temperature tank 2" appears on the display. SOLAR DATA max temperature tank 2 140°F Press and hold…

Relay test

4 4 Relay test The "relay test" menu can be used to check that the external components (e.g. pumps) are correctly connected. SYSTEM DAMAGE CAUTION! The installation does not function during the relay test. All functions are disconnected from the control. z Leave this function at the end of the relay…

Relay test Call up the service level. Turn the dial until "service level – relay test" appears on the display. Press "Display" to open the main "RELAY TEST" menu. The display shows "RELAY TEST – boiler". RELAY TEST boiler Turn the dial until "RELAY TEST – solar" appears on the display. Press…

Fault log

5 5 Fault log The "fault log" menu can be used to show the last four fault messages of the heating controller. Call up the service level. Turn the dial until "service level – fault log" appears on the display. service level fault log Press "Display" to select the main menu "fault log". The following…

6 Fault Fault USER NOTE The "Fault" column lists all faults that may occur in the interaction among the FM443 function module, the solar consumers and a heat meter. The terms in the "Fault" column show the messages as they appear on the MEC2 remote control display. Fault bypass buffer sensor Effect…

Fault

Fault heat consumption supply sensor Effect on control characteristics Heat quantity not metered. Possible causes of fault Supply sensor defective. Supply sensor not connected or not correctly connected. FM443 or control defective. 6 Remedy Check the sensor connection to the FM443 function module…

Fault Fault sensor bottom tank 2 Effect on control characteristics Tank 2 is not solarheated. Possible causes of fault Tank 2 sensor is defective. Remedy Check the sensor on tank 2 for breaks or incorrect installation position. Tank 2 sensor is not connected or incorrectly connected. Check the…

Current solar control values (monitor data) can be read with the

main "act system data" menu. Call up the service level. Turn the dial until "service level – act system data" appears on the display. Press "Display" to select the main menu "DISPLAY". The display shows "DISPLAY – boiler". DISPLAY boiler Turn the dial until "monitor SOLAR" appears on the display.…

Monitor data Solar consumer "1" – solar circuit 1 7.1.1 monitor SOLAR collector 230°F tank 1 Collector temperature, operating mode The display shows the current collector temperature and the operating mode of tank 1. Possible displays BLOCKED tank 1 BLOCKED STAND STILL LOW FLOW HIGH FLOW MANUAL ON…

MANUAL ON

The control is in "MANUAL ON" mode. This means that the solar circuit pump 1 will be activated at 100 %. All control functions of the FM443 function module are deactivated but for control of the collector maximum temperature. 7.1.2 monitor SOLAR SP1 center 86°F SP1 bottom Circ SP1 59°F 50% The…

The position of the 3-way valve depends on the installed valve type

in this case. Check whether the 3-way valve was correctly installed on the building. direct The return temperature of the heating system is higher than the temperature in the lower part of the buffer or combi storage tank. The heater return is sent directly to the boiler. The 3-way valve is in the…

7 Solar consumer "2" – solar circuit 2 7.4.1 monitor SOLAR collector 230°F tank 2 Collector temperature, operating mode The display shows the current collector temperature and the operating mode of tank 2. Possible displays BLOCKED tank 2 BLOCKED STAND STILL HIGH FLOW switch check MANUAL ON BLOCKED…

switch check

The requirements for a "switch check" are: – solar consumer "2" is heated and – solar consumer "1" is at standstill (the required temperature difference for heating the tank is not present). Under these conditions the solar control checks whether solar consumer "1" can be heated (it has precedence).…

monitor SOLAR SP2 bottom 86°F 3-way valve sec. circ SP2 off off 7 Temperatures in tank 2, status of solar circuit pump 2 or 3-way switching valve and solar circuit 2 secondary pump The display shows as an example the current temperature in tank 2 as well as the operating mode of pumps and valves.…

8 Sensor curve Sensor curve z Disconnect the power to the system before every measurement. Troubleshooting z Remove the sensor terminals. z Check the resistance at the sensor lead ends using an ohmmeter. z Check the sensor temperature with a thermometer. Using the diagram you can check whether…

United States and Canada

Bosch Thermotechnology Corp. 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…

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