Danfoss SET2E Installation & User's Instructions

Danfoss SET2E Installation & User's Instructions

Electronic 24-hour mini-programmer for heating & hot water

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SET2E
electronic 24-hour
mini-programmer for
heating & hot water
Installation & User Instructions

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Summary of Contents for Danfoss SET2E

  • Page 1 SET2E electronic 24-hour mini-programmer for heating & hot water Installation & User Instructions...
  • Page 2: Table Of Contents

    Index Installation Product specifi cation Installation Wiring Replacement User What is a Programmer? Your programmer Resetting the unit Setting the clock Factory pre-sets Programming the unit 12-13 Temporary overrides 13-14 Manual switch settings 14-15 Memory back-up Contact details...
  • Page 3: Product Specifi Cation

    Installation Instructions Please Note: This product should only be installed by a qualifi ed electrician or competent heating installer, and should be in accordance with the current edition of the IEEE wiring regulations. Product specifi cation Specifi cation Power supply 230 ±...
  • Page 4: Installation

    Installation Fix the wallplate to the wall or fl ush mounted box as required. The connections are at the top and the vertical centre line of the unit, at the position shown on the diagram below C/L (in line with terminal Leave suffi...
  • Page 5: Wiring

    10. Finally, return the left-hand rocker switch to TIMED and the right-hand rocker switch back to HW + CH (winter) or HW (summer). Wiring SET2E NOTE: For mains voltage applications links must be fi tted between terminals L and 2 and between 1 and 5.
  • Page 6 Given below are typical wiring diagrams for various types of systems. Note: Whilst every attempt has been made to ensure the accuracy of this information it is recommended that the specifi c information relating to the ancillary controls is obtained from the manufacturers concerned. Typical Gravity DHW with pumped central heating D.H.W.
  • Page 7: Replacement

    If the unit is to be used in association with a 6 wire Honeywell Y Plan, a special wiring diagram may be required. Contact the Danfoss Randall Technical Services Department for details. Note: The SET2E is a direct replacement for a Danfoss Randall SET2.
  • Page 10: What Is A Programmer

    The text below has been edited and approved by the Plain English Campaign, who has issued a Crystal Mark to be displayed with it. What is a programmer? ... an explanation for householders. Programmers allow you to set ‘On’ and ‘Off’ time periods. Some models switch the central heating and domestic hot water on and off at the same time, while others allow the domestic hot water and heating to come on and go...
  • Page 11: Your Programmer

    User Instructions Your programmer The SET2E allows you to switch your hot water & heating on and off automatically, at times that suit you. The programmer provides 2 ON times and 2 OFF times per day, and by the use of a simple rocker switch you can run the system at the set times, constantly ON or constantly OFF.
  • Page 12: Setting The Clock

    Setting the Clock Move the slider to SET TIME position keys to set the correct time Preset programme The unit is supplied with the following preset programme which will be active after the unit has been RESET (see page 10): ON at 6:30am, OFF at 8:30am.
  • Page 13: Temporary Overrides

    Sometimes you may need to change the way you use your heating temporarily, i.e. due to unusually cold weather. The SET2E has two convenient overrides which can be selected without affecting the set programme. Note: This will only work when the slider switch is in the RUN position and will automatically cancel at the start of the next programmed event.
  • Page 14: Manual Switch Settings

    +1 hour To cancel the override, press the +1 HOUR button again Manual Switch Settings The 2 rocker switches are used to select how the SET2E controls your hot water and heating: Left-hand switch OFF - the heating is manually switched OFF...
  • Page 15: Memory Backup

    Memory Backup IMPORTANT If the SET2E is ever disconnected from the mains the display will go blank but the unit will keep your programme time and settings for up to 10 hours. When power is restored the unit will continue to function as normal.
  • Page 16: Contact Details

    Call our technical department 0845 121 7505 (8.45-5.15 Mon-Thurs, 8.45-4.45 Fri) For a large print version of these instructions please contact the Marketing Services Department on 0845 121 7400. Danfoss Randall Ltd Ampthill Road Bedford MK42 9ER Tel: 01234 364621 Fax: 01234 219705 Part No.

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