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Honeywell SDC Operating Instructions Manual

Heating and district heating controller.
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Heating Controller SDC
District Heating Controller DHC 43
OPERATING INSTRUCTIONS
Copyright © 2005 Honeywell Inc.
EN2H-0220 GE51 R1005
rices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytu

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  • Page 1 Heating Controller SDC District Heating Controller DHC 43 OPERATING INSTRUCTIONS Copyright © 2005 Honeywell Inc. EN2H-0220 GE51 R1005 rices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytu...
  • Page 2 rices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytu...
  • Page 3: Table Of Contents

    Cable dimensions Maximum cable length Cable installation Cabinet earth and ground Domestic hot water higher than 60 °C 2.10 Connecting accessories 2.11 Service and cleaning DHC 43 / SDC – OVERVIEW OPERATION Interface 4.1.1 Basic display 4.1.2 Operating elements 4.1.2.1 Rotary Pushbutton (Press/Turn) 4.1.2.2...
  • Page 4 SDC / DHC 43 Contents 4.2.4.1 DHW Economy Temperature 4.2.4.2 Legionella Protection-Day 4.2.5 Unmixed Circuit / Mixing Circuit 1 / Mixing Circuit 2 Menu 4.2.5.1 Reduced Mode 4.2.5.2 Heating System Malfunction Messages EN2H-0220 GE51 R1005 rices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytu...
  • Page 5: Software Version

    Software Version SDC / DHC 43 1 Software Version Please use this documentation in conjunction with software versions V 1.0 and 2.1 of your controller. The version will be displayed for about 8 s when the controller is connected to the mains. If you may be using an older version, please contact your heating specialist.
  • Page 6: Safety Instructions

    SDC / DHC 43 Safety Instructions 2 Safety Instructions 2.1 Application The Smile controller family DHC/SDC is designed exclusively for the control of warm water heating and district heating systems including domestic hot water control. These systems should not exceed a flow temperature of 120 °C.
  • Page 7: Do Not Separate The Controller From The Mains

    Safety Instructions SDC / DHC 43 2.3 Do not separate the controller from the mains If this happens, the back-up battery will be unnecessarily stressed. In addition, the frost protection functions of the controller will be out of order. 2.4 Electric installation Qualified personnel must carry out all electrical connections.
  • Page 8: Cabinet Earth And Ground

    SDC / DHC 43 Safety Instructions 2.8 Cabinet earth and ground Please install and connect the controllers according to local rules and standards! 2.9 Domestic hot water higher than 60 °C WARNING Please note that in the following cases there is a danger at hot water tabs (kitchen, bath).
  • Page 9: Service And Cleaning

    Safety Instructions SDC / DHC 43 External switches must be installed if a manual switch function is desired for pumps. All accessories (sensors, selectors, etc.) must be connected according to the attached wiring. 2.11 Service and cleaning The controller is service free. The unit can be cleaned with a moist cloth from the outside.
  • Page 10: Dhc 43 / Sdc - Overview

    3 DHC 43 / SDC – Overview This document describes the Smile controller family DHC/SDC for panel installation and wall mounting. The product is available in the following variations for use as a built-in controller and as a wall-mounted controller: SDC 3-10 3-Rel.
  • Page 11: Operation

    Operation SDC / DHC 43 4 Operation 4.1 Interface "Manual mode" key / "Emission Measurement" key (not applicable for district heating controllers) "Operating mode" key for permanent and temporary operating modes (Basic display) "Heating characteristics" key "Information" key for the display of temperatures and operating statuses...
  • Page 12: Basic Display

    SDC / DHC 43 Operation "Night-time room temperature setpoint" key "DHW daytime temperature setpoint" key Rotary pushbutton (push and turn) Operating modes symbols 4.1.1 Basic display Date MO. 18. M AR. 01 40. 0 Heat generator temperature 11. 4 7...
  • Page 13: Daytime Room Temperature" Key

    Operation SDC / DHC 43 • Shift to the menu selection level • Get one menu level higher By turning the rotary pushbutton, you can: • Change values (clockwise increases values, counter- clockwise decreases values) • Browse through menus 4.1.2.2 "Daytime Room Temperature" Key This key sets the room temperature setpoint in the ¥...
  • Page 14: Daytime Dhw Temperature" Key

    SDC / DHC 43 Operation Setting: ROOM-NIGHT Press the "night-time room temperature" key ¦. ► Set the flashing room temperature default value by ► turning the rotary pushbutton î to the desired value. 16. 0 Confirm the set value by pressing either the "night- ►...
  • Page 15: Operating Mode" Key (basic Display)

    Operation SDC / DHC 43 Single DHW loading Function Pushing the" daytime DHW temperature" key § longer I TIME DHW than 3 s will lead to the single DHW loading function. This function will override the actual time program. The operator will see an adjustable time with the 2.
  • Page 16 SDC / DHC 43 Operation Overview of the Operating Modes Arrow on the Symbol Program Display in basic mode Setting æ Holiday Return Date P1 (2, 3), Return ç Absence time P1 (2,3), è Party Party End Time é Automatic P1 (2, 3) ê...
  • Page 17 Operation SDC / DHC 43 Setting: Press the "operating mode" key ¢. ► Set the flashing operating mode by turning to the ► desired operating mode. Confirm the value by pressing the "operating mode" ► key ¢ or the rotary pushbutton î.
  • Page 18 SDC / DHC 43 Operation 4.1.2.5.2 Absence Mode (Short-term Program) By means of this program, the heating can be ABSENT TIL temporarily switched off in case of a brief period of absence. During the period of absence all the heating circuits are controlled according to the specified reduced room temperature.
  • Page 19: Automatic Mode

    Operation SDC / DHC 43 Setting range P1 (Party mode up to the next switch-on time), or 0.5 hours from the activation...24 hours from the activation Display An active party program appears on the basic display with the indication of the duration of the party.
  • Page 20: Standby Mode

    SDC / DHC 43 Operation 4.1.2.5.6 Constant Heating Mode This program provides for uninterrupted heating HEATING according to the specified daytime room temperature. The DHW heating works continuously according to the specified DHW setpoint. 22. 0 12. 0 0 æ ç è é ê ë ì í...
  • Page 21: Heating Characteristic" Key

    Operation SDC / DHC 43 Display An active standby mode appears on the basic display with the indication STANDBY. 4.1.2.6 "Heating Characteristic" Key This key makes it possible to set the heating £ characteristics for the system’s heating circuits. The slope of the heating characteristic describes the relation between the change in the flow temperature with the change in the outside temperature.
  • Page 22: System Information" Key

    SDC / DHC 43 Operation 4.1.2.7 "System Information" Key With the "information" key ¤ a query of all the system ¤ information can be made by using the rotary pushbutton. The first data item to appear always is the outside temperature.
  • Page 23 Operation SDC / DHC 43 Example System Information Heating circuit information Press ¤ key System temperatures, retrievable by turning the counter data retrievable by rotary pushbutton to the left turning the rotary pushbutton to the right Outside Temperature Mean Value / Actual Value...
  • Page 24: Manual Mode" / "emission Measurement" Key

    SDC / DHC 43 Operation Set Time for If the "information key" ¤ is pressed for approx. 3 s Automatic Exit upon accessing the information level, the INFO-TIME parameter appears. This parameter determines the time for the automatic INFO-TIME return to the basic display.
  • Page 25 Operation SDC / DHC 43 The switching differential corresponds to the set differential for automatic control and is symmetrical to the setpoint. NOTE The heat generator high limit prevails over the heat generator-switching differential and deactivates the heat generator in case it is exceeded.
  • Page 26: Menu Selection

    SDC / DHC 43 Operation Termination Emission measurement can be terminated in any moment in advance with the "manual mode" / "emission measurement" key. 4.2 Menu Selection The controller has a parameter menu, which varies according to the different controller types.
  • Page 27: Time-date Menu

    Operation SDC / DHC 43 4.2.1 Time-Date Menu The following current date values can be set in this menu: - Time - Calendar year - Calendar day – calendar month - Time changeover mode (Summer - Wintertime) All the listed values are preset at the factory and as a rule do not need to be updated.
  • Page 28: Time Programs Menu

    SDC / DHC 43 Operation 4.2.2 Time programs Menu In this menu, the time programs can be set individually for the heating and DHW modes. The P1 standard program set at the factory (also P2 and P3, if enabled) for each heating or DHW circuit can be overwritten with individual switching times and temperature values.
  • Page 29 SDC / DHC 43 Operation Switching time programming (Programs P2 and P3 disabled) When accessing the Parameter Menu level, the time programming function appears. Enabling of programs P2 and P3 in the SYSTEMPARAMETER menu (see menu "Selection") BASIC DISPLAY î...
  • Page 30 SDC / DHC 43 Operation Switching time programming (Programs P2 and P3 enabled) When accessing the Parameter Menu level, the time programming function appears. Enabling of programs P2 and P3 in the SYSTEMPARAMETER menu (see menu "Selection") BASIC DISPLAY î...
  • Page 31 Operation SDC / DHC 43 Standard Time Program P1 Heating Mode Heating Circuit from Unmixed Heating Circuit Mo. – Sun. 6.00 – 22.00 DHW Heating Circuit Mo. – Sun. 5.00 – 22.00 Mixing Circuit 1/2 Mo. – Sun. 6.00 – 22.00...
  • Page 32 SDC / DHC 43 Operation Block programming The copy function makes it possible to copy a source day to the desired target day or to all weekdays (week programming). All the cycles of the source day are copied. Single heating cycles cannot be copied.
  • Page 33 Operation SDC / DHC 43 Copying heating circuits NOTE: Heating circuits cannot be copied to DHW circuits, as these have different cycle temperatures: if a heating circuit is selected as a source circuit, the DHW circuit can no longer be used as a target circuit.
  • Page 34 SDC / DHC 43 Operation Reloading standard programs Switching time programs P2 and P3 disabled BASIC DISPLAY MENU SELECTION LEVEL î press for approx. 3 s TIME- TIME SYSTEM- UNMIXED etc. CALENDAR PARAMETER CIRCUIT PROGRAMS î press Standard UNMIXED COPY HEATING etc.
  • Page 35 Operation SDC / DHC 43 Reloading standard programs Switching time programs P2 and P3 enabled BASIC DISPLAY MENU SELECTION LEVEL î press for approx. 3 s TIME- TIME SYSTEM- UNMIXED etc. CALENDAR PARAMETER CIRCUIT PROGRAMS î press Standard UNMIXED COPY HEATING etc.
  • Page 36: System Parameter Menu

    SDC / DHC 43 Operation 4.2.3 System Parameter Menu The parameters in this menu refer to general limit parameters and default values within the heating system. Entry see "Menu Selection". Exit To return to the basic display directly, press the "operating mode"...
  • Page 37: Control Mode

    Operation SDC / DHC 43 Setting values Program 1 enabled, Programs 2 and 3 = blocked P1-P3: All three programs enabled Effects Besides the settings described above, the enabling of programs P1 to P3 provides for the following additional setting options: 4.2.3.2.1 Operating Mode Setting...
  • Page 38 SDC / DHC 43 Operation 4.2.3.3.1 Separate Daytime Temperature per heating circuit Function In control mode 2 the relevant setpoint applies only to the HC (= unmixed circuit), MC 1 (= mixing circuit 1) or MC 2 (= mixing circuit 2)
  • Page 39: Summer Switch-off (heating Limit)

    Operation SDC / DHC 43 Alternatively, the value can be acquired by automatic ► exit after approx. 60 s. Factory setting 16 °C Setting range 5...30 °C 4.2.3.3.3 Separate Operating Mode Function In control mode 2 the selected program applies only for the heating circuit specified previously.
  • Page 40: Parameter Reset

    SDC / DHC 43 Operation set value and the current outside temperature is 2 K above the set value, the heating is stopped. Slow increase of the outside temperature The switch-off is enabled if the mean and actual outside temperature exceed the set value.
  • Page 41: Domestic Hot Water Menu

    Operation SDC / DHC 43 Settings: With the flashing reset display PARAM. - RESET ► press the rotary pushbutton. The flashing reset ready indication (SET) appears. ► Press the rotary pushbutton for approx. 5 s. ► In case of a reset, the confirmation RESET OK appears briefly, then -in order of feedback- the first parameter in the relevant menu is called.
  • Page 42: Unmixed Circuit / Mixing Circuit 1 / Mixing Circuit 2 Menu

    SDC / DHC 43 Operation Setting values OFF: The Legionella protection function is not active. MON. -SUN: The Legionella protection is activated on the selected weekday at the Legionella protection time set by the heating specialist with a different parameter.
  • Page 43: Heating System

    Operation SDC / DHC 43 temperature. The temperature will not fall below the set low limit. Application: Buildings with low insulation values and high heating losses. ECO (Switch-off Mode) During reduced mode, the direct heating circuit is completely switched off in case of outside temperatures exceeding the set frost protection limit.
  • Page 44: Malfunction Messages

    SDC / DHC 43 Operation 1.10 Slightly progressive heating characteristic for floor or other panel heating systems. 1.30 Progressive standard characteristic for all radiator-heating systems with m-values comprised between 1.25 and 1.35. 2.00 Progressive heating characteristic curves for convector and baseboard heating systems.
  • Page 45: Contents Sdc / Dhc

    Operation SDC / DHC 43 Bus malfunction messages These malfunction messages refer to the address errors such as double assignments or the failure to recognize address settings within the data bus. They appear with error code 70 and index 0 or 1.
  • Page 46 SDC / DHC 43 Operation EN2H-0220 GE51 R1005 rices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytu...
  • Page 47 Operating Instructions SDC / DHC 43 EN2H-0220 GE51 R1005 rices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytu...
  • Page 48 Automation and Control Solutions Honeywell AG Böblinger Straβe 17 D-71101 Schönaich Phone: (49) 7031 63701 Fax: (49) 7031 637493 http://europe.hbc.honeywell.com Subject to change without notice Printed in Germany EN2H-0220 GE51 R1005 7157626 October 2005 Art. 0451305511 rices and delivery to your door visit MyTub Ltd - 0845 303 8383 - www.mytub.co.uk - info@mytu...

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Dhc 43

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