Инструкция на Системы управления Buderus серии Logamatic 4121, 4122, 4126 бренда Buderus

Control unit

Logamatic 4121, 4122 and 4126 Read carefully prior to installation and maintenance. (2012/04) GB 703-00.1T Servicing instructions for heating contractors

Table of contents

Table of contents 1 Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . . 4 1.1 Symbol key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Product information . .…

Table of contents

11.25.2 Setting the heat-up time . . . . . . . . . . . . . . . . . . . . . . . . 37 11.25.3 Setting the maximum temperature . . . . . . . . . . . . . . . 37 11.25.4 Setting the hold time . . . . . . . . . . . . . . . . . . . . . . . . . . 37 11.25.5 Setting the setback temperature . . . . . . . . .…

Key to symbols and safety instructions Damage due to operator error 1 Key to symbols and safety instructions 1.1 Symbol key Warnings Warnings in this document are framed and identified by a warning triangle printed against a grey background. Signal words at the start of a warning indicate the type…

Product information

2.3 Notes on commissioning DANGER: Risk to life and of system damage through excessively high temperatures. All parts directly or indirectly subject to high temperatures must be designed for use at such temperatures. ▶ Ensure that wiring and other lines are routed at a safe distance from hot boiler…

2.7 Product information Technical data 2.7.1 Logamatic 4121, 4122, 4126 control units Logamatic control unit Dimensions B/H/L Operating voltage (at 50 Hz ±4 %) Power consumption Control unit fuse Maximum switching current Unit mm V VA A A 4121 360/360/160 230  10 % • Cylinder primary pump output •…

Controls and MEC2 programming unit

Sensor FV1 flow temp. HC left FB flow temp. HC right lower fault limit in °C < –5 < –5 smallest display value in °C highest display value in °C upper fault limit in °C 125 125 Table 7 Sensor measuring range 2.7.4 FM445 function module Operating voltage (at 50 Hz  4 %) Power consumption Maximum…

3.2 Controls and MEC2 programming unit MEC2 programming unit Fig. 3 MEC2 programming unit [1] [2] [3] [4] [5] [6] [7] [8] [9] Radio clock signal (only inside Germany) Display for set room temperature Input DHW temperature/heating Setting the time Change temperature values Summer/wintertime…

The following table lists all the modules that are or can be fitted in the

control units. The menus displayed on the MEC2 programming unit depend on which modules are fitted and on their respective settings. The following pages contain information regarding the most important modules you can use. module MEC2 programming unit ZM435 boiler display CM431 controller module…

Modules and their functions NM482 power supply module 4.3 ZM424 central module and FM455 function module The ZM424 module together with the FM455 module are part of the standard equipment of the Logamatic 4121 control unit. Jumper setting when networking several control units DANGER: Risk to life…

4.3.1 Jumper switch

4.3.2 Heating circuit and DHW function The jumper switch is used to configure the module. Position open (factory setting) closed 4 Function The module is logged on as a new FM455/ 456/457 module. In normal operation the manual switch should be in the AUT position. Positions 0 and Manual are special…

The FM442 module regulates two independent heating circuits with mixer. Several of these modules can be used in one control unit. The manual switches on the module only have service and maintenance functions and only affect 230 V outputs. If the manual switches are not set to automatic, a…

Position

Function The heating circuit pump is switched on. The mixer is switched volt-free and can be manually operated. The central heating or the DHW circuit operates in automatic mode. [6] [7] [8] [9] [10] [11] 5 DHW manual switch for secondary circuit DHW manual switch for primary circuit "Mixer closes"…

Burner control unit and standard operation 5.1 Universal burner control unit (UBA 1.x) 1 The UBA 1.x is used in wall mounted boilers that produce DHW via a cylinder or an internal heat exchanger according to the instantaneous water heater principle (combi boilers). 2 3 You can set both functions via…

5 Approved boiler types Type UBA 1 UBA 1.5 Type EMS/UBA 3 EMS/UBA 3.5 KIM BCM 1000 1002 1003 1006 1006 1007 1015 1016 1025 1026 1027 1032 1033 1041 1042 1043 1050 1051 1052 1060 1061 1062 1078 1080 1081 1072 1073 1074 1075 1076 Designation of the boiler Logamax plus GB112-11/s Logamax plus…

Commissioning the MEC2 programming unit 6.3.3 Identical control unit 6 Commissioning the MEC2 programming unit You can use the MEC2 programming unit for all Logamatic 4000 control units. The MEC2 programming unit can be installed as follows: • directly in the control unit • wall-mounted as remote…

Settings

7 Settings 7.1 Adjustable parameters and display data 7 Some options are only displayed subject to the installed modules and prior settings. General parameters Minimum outside temperature Type of building Summer/winter time adjustment Remote adjust. Heat yield Level limit transducer Fault message…

General specification data Calling up the service level 7.2.2 Calling up main menus Access to the Service level is password protected. The Service level is only intended for heating contractors. Unauthorised access to the service level invalidates your warranty. The rotary selector is used to scroll…

Minimum outside temperature The minimum outdoor temperature is an average value of the lowest outdoor temperatures of the past years and characterises together with the design temperature the end point of the heating curve. 1 2 TA [°C] [°C] TminA 703-21.1T Fig. 18 Heating curve adjustment…

Type of building

Input range medium heavy light Factory setting medium Table 23 Setting range Building type 8.3 Summer/wintertime changeover Three different date and time setting options are available for all connected control units: Setting option Radio clock automatic manual Explanation The adjustment is made…

Manual switch fault message A fault message can be shown in the display of the MEC2 programming unit if a manual switch of a function module is set to Manual. ▶ Call up the service level. The first main menu is General Param. ▶ Press Display to call up a submenu. ▶ Turn the rotary selector until…

General specification data 0 – 10 V input As soon as a module with 0 – 10 V input has been fitted in the control unit, the following masks appear as listed in tab. 30. module FM447 FM448 Temperaturebased control X X Output-based control X X (CM431 V6.xx or higher) X (CM431 V6.xx or higher) X (CM431…

Module selection

▶ Release Display to save your input. ▶ Press Back to return to the next higher level. Temperature control 0V Temperature control 10 V Input range off 5 °C – 99 °C 5 °C – 99 °C 10 Factory setting 5 °C Boiler parameters If the control unit contains a multi-boiler module, e.g. KSE module, FM456 or…

Boiler parameters 10.2 Hydraulic system 10.2.1 Single-boiler system BOILER PARAM. Hydraulics with prim. pump w/o low header You may use this function if the no. of boilers is 1. You can choose whether the boiler hydraulics operate with or without a boiler pump and low loss header ▶ Call up the…

The Butterfly valve boiler can only be selected in

connection with the Logano GB312. The butterfly valves are controlled via the optional DM 10 EMS module that can be fitted in the EMS boiler (accessory may not be available in certain countries). 10.3 Output control for 0 – 10 V input In conjunction with modulating EMS boilers, the 0 – 10 V input…

Boiler parameters Temperature for external heat source recognition Input range 5 °C – 20 °C none Factory setting none ▶ Hold down button Display and turn the rotary selector until the required value is shown. The selected value flashes on the display. Table 37 Setting range for external heat source…

10.8 Selecting the type of sequence control

You may use this function if the no. of boilers is at least 2. This function allows you to set the type of sequence control. If you select "fixed", the boilers are controlled in the following order: 1 – 2 – 3 – 4. First, boiler 1 is switched on, then boiler 2, etc. If you select "automatic", the…

Heating system

Input range none Radiator Convector Underfloor Constant Low end Room controller Factory setting Radiator Table 44 Setting range Heating system ▶ Hold down button Display and turn the rotary selector until the required value is shown. ▶ Release Display to save your input. ▶ Turn the rotary selector…

Design temp

Input range 30 °C – 90 °C Factory setting 75 °C for radiator/ convector/low end/ constant 45 °C for underfloor heating Table 47 Setting range Design temperature 11.5 Setting the Minimum flow temperature The minimum flow temperature limits the heating curve to a minimum set value. 11 ▶ Hold down…

The heating circuits grouped together under "MEC heat. circ." can, for

specific settings, also be selected as "Single heat circ". ▶ Hold down button Display and turn the rotary selector until the required value is shown. The timer program "PROG" function is only available for each individual heating circuit. ▶ Call up the service level. The first main menu is General…

required value is shown

HEAT CIRC. DATA 2 Setback type Standby 836-48.1TL 11 ▶ Turn the rotary selector until main menu Heating circ. + no. appears. ▶ Press Display to call up a submenu. ▶ Turn the rotary selector until submenu Holiday Set-back type appears. ▶ Hold down button Display and turn the rotary selector until the…

▶ Release Display to save your input

▶ Press Back to return to the next higher level. No setback Below outs temp Input range inactive –20 °C – 10 °C Factory setting Inactive Table 56 Setting range No setback below outside t. 11.13 Setting flow setback Since you cannot connect a remote control to heating systems set to Constant, you may…

Autom adaptation

Input range Yes No Factory setting no Optimisation Table 60 Setting range Automatic adaptation 11.16 Setting switching optimisation Input range none Start Stop Start/Stop 11 Factory setting none Table 62 Setting range Optimisation A remote control with a room temperature sensor must be installed for…

11.20 Setting the heating circuit actuator

▶ Hold down button Display and turn the rotary selector until the required value is shown. HEAT CIRC. DATA The Actuator function enables you to enter whether a heating circuit actuator (mixer) is installed or not. 2 Frost prot from -2 o C 836-57.1TL The control unit drives the actuator if it is…

required value is shown

HEAT CIRC. DATA Actuator runtime 836-60.1TL Fig. 58 Set the actuator run-time ▶ Release Display to save your input. ▶ Press Back to return to the next higher level. Actuator runtime Factory setting 120 sec Table 67 Setting range Actuator runtime 11.22 Setting the Boiler raising If a heating circuit…

11.24 External fault message - pump

This function is turned off at the factory. This menu item determines whether fault messages relating to a pump should be displayed. You may connect an external zero volt fault relay to terminals WF1 and WF2. A fault message will be displayed if the contact is open. Terminals WF1 / 2 / 3 of the…

11.25.1 Setting the temperature rise

11.25.3 Setting the maximum temperature This option determines the steps in which the temperature should increase to dry out the screed. This setting determines the maximum temperature for cement drying. Temperature rise begins at 20 °C. ▶ Turn the rotary selector until submenu Screed drying Temp…

11.25.5 Setting the setback temperature

This option determines the steps in which the temperature should decrease to dry out the screed. ▶ Turn the rotary selector until submenu Screed drying T. setback by appears. ▶ Hold down button Display and turn the rotary selector until the required value is shown. 12 DHW data The DHW menu can only…

Parameter

Setting the temperature range Selecting switching optimisation Selecting residual heat use Setting hysteresis Thermal disinfection1) Daily heat-up DHW circulation pump1) 4000-DHW Tank UBA cylinder X X X X X X X X UBA throughout X X X X X 12 EMS 3-way valve EMS primary pump EMS DHW-heater X X X X X X…

12.4 Selecting residual heat use

12.5 Setting hysteresis if the Resid. heat use function has been selected, the residual heat from the boiler can be used to heat the cylinder. With the Hysteresis function you can determine, at how many Kelvin (K) below the set DHW temperature the reheating of the cylinder begins. The Resid. heat…

required value is shown

DHW DATA Stop Hysteresis -15K 836-77.1TL Fig. 75 Setting stop hysteresis ▶ Release Display to save your input. ▶ Press Back to return to the next higher level. Stop hysteresis Input range –15 K to –2 K Factory setting –5 K 12 12.6 Primary LAP circuit selection If you selected the FM445 LAP module…

12.6.1 Approved boiler types

Only use the UBA/EMS setting for the LAP primary circuit for the boilers specified in the list below. Please note the BCM, KIM and BIM numbers. Type EMS/UBA3 Type EMS/UBA 3.5 Type EMS/SAFe SAFe 40 Type EMS/SAFe SAFe 40 BCM 1000 1002 1003 1015 1016 1025 1026 1027 1032 1041 1042 1051 1052 1061 1062…

12.7 Setting LAP anti-scaling protection

Scaling may affect the LAP heat exchanger, requiring the anti-scaling protection temperature to be altered. After DHW heating, the heat exchanger is flooded with DHW until the temperature at the FWS sensor has dropped to the set value. This is designed to prevent the heat exchanger from scaling up.…

Fault message

(dependent on heat source and module) Input range None Inert anode Pump 3-way valve Factory setting none External contact Input range Heating once Therm. disinfect none Factory setting none Table 93 Setting range External contact Table 92 Setting range External fault message 12.11 Thermal…

12.11.2 Setting the disinfection temperature

The Temperature Therm. disinfect function enables the disinfection temperature for thermal disinfection to be set ( chapter 12.11, page 44). WARNING: Risk of scalding through hot water. ▶ If the DHW circuit is not equipped with a thermostatic mixer, never open the hot water taps/valves on their own…

12.12 Setting range Daily heat-up

12.13 DHW circulation pump When daily heat-up is set, the DHW (which may include a solar cylinder, if installed) is heated to 60 °C once a day to prevent legionella bacteria from multiplying in the DHW. The time when the cylinder is heated can be selected. ▶ Call up the service level. The first main…

Special parameter

▶ Hold down button Display and turn the rotary selector until the required value is shown. DHW circ. OFF DHW heating Input range Yes No 13 Factory setting yes Table 101 Setting range for DHW circulation off during DHW heating DHW Data DHW Circulat. per hour 13 This parameter enables experts to…

15 Relay test Relay test 16 Carrying out an LCD test With the Relay test menu, you can check whether the external components (e.g. pumps) have been connected correctly. Using the LCD test menu, you can check whether all characters and symbols are fully displayed. The display depends on which modules…

18.2 Boiler monitor data

• Inert anode • ext. fault input • HE DHW sensor • DHW sensor off • Connection BRx • LLH sensor • Reversing valve • Manual mode XX • Solar cyl. X manual • Maintenance hours run • Maint. date • EMS fault boiler x • EMS fault DHW • Maintenance boiler x 18 18 Using the Monitor menu Boiler you can…

Monitor data Display Flow Explanation Set/actual flow temperature Unit °C Return Return temperature (actual value) °C B starts Status Number of burner starts Current operating status KIM no. Boiler type (KIM = boiler identification module) UBA version Software version for universal burner control…

18.3 Heating circuit monitor data

Using the Monitor menu Heating circ. you can display the data for one heating circuit. ▶ Call up the service level. The first main menu is General Param. ▶ Turn the rotary selector until main menu Monitor appears. ▶ Press Display to call up a submenu. ▶ Turn the rotary selector until submenu Heating…

Display version • Optimise Indicates the period during which the system commences DHW heating before the actual switching point, to achieve the set DHW temperature in good time. ▶ Turn the rotary selector to scroll through the DHW monitor data. • Heating Indicates the operating condition of the…

Reset

21 21.3 Resetting the maintenance message After servicing has been completed, reset the maintenance message. This means that the maintenance message no longer appears if the flap is closed. RESET Factory settings Control unit Resetting the maintenance message restarts the maintenance interval. Note…

22.1 Fault messages

Fault Outs.temp.sensor Flow sensor x DHW temp. sensor DHW warning DHW cold Therm. disinfect Remote control x Communicat. HC x Effect on control characteristics The minimum outside temperature is applied. Cause Remedy • The outside temperature sensor is ▶ Check whether the outside either incorrectly…

Fault

Boiler x Effect on control characteristics • The boiler protection (frost protection) is not assured. • No DHW. • No heating. Boiler x • The boiler protection (frost protection) is not assured. Status: Display code/ • No DHW. Service code • No heating. Boiler x • The boiler protection (frost…

Fault

Incorr module x Effect on control characteristics Module switches all outputs off and corresponding fault LED on. Unknown module x Module switches all outputs off and corresponding fault LED on. Inert anode No effects on control characteristics. ext. fault input No effects on control…

22.2 Supplementary fault messages for boilers with EMS

Calling up status (display code) and service codes If a fault occurs, the status is immediately displayed by the control unit. The display flashes when a locking safety shutdown occurs. ▶ Press Status display to read off the service code. ▶ Press Status display several times to display other service…

EMS faults

Other faults are described in the documents relating to the individual boiler. DC AD1 SC 817 AD1 818 AD1 819 AD1 820 Effect on control Cause Remedy characteristics Fan speed cannot be optimally • This fault message is ▶ Check the air temperature matched. generated if the air sensor incl. the plug-in…

22.3 Maintenance messages for boilers with EMS

DC H1 Maintenance Flue gas temperature high H2 Burner fan too slow H3 Hours run expired H4 Low flame sensor current H5 Long ignition delay H6 Frequent flame interruption H7 System pressure H8 By date H11 H12 SLS sensor fault SLS sensor fault EMS with Cause Remedy boiler ▶ Cleaning the boiler. SAFe •…

23.1 Sensor curves

DANGER: Danger to life from electric shock! ▶ Before opening the appliance, isolate all poles of the mains power supply and secure against unauthorised re-connection. Fault checking (without room temperature sensor) ▶ Remove sensor terminals. ▶ Check the resistance at the sensor lead ends using an…

6 720 803 703-108.1T

Fig. 109 Room temperature and flue gas temperature sensors [1] [2] Room temperature sensor curve Flue gas temperature sensor (FG) curve Logamatic 4121, 4122 and 4126 – (2012/04) 61

23.2 Heating curves

Notes on adjusting the heating curve You can adjust the heating curve slope using the design point. The design point consists of the minimum outside temperature for the region and the design temperature of the selected heating system (e.g. "Radiators"). Adjusting the set room temperature moves the…

Buderus

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