Danfoss FP735Si User Manual
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Danfoss FP735Si User Manual

Electronic 3-channel full programmer for heating and hot water with service interval timer
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MAKING MODERN LIVING POSSIBLE
FP735Si
Electronic 3-Channel Full Programmer for
Heating and Hot Water with Service Interval Timer
User Guide
Danfoss Heating

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  • Page 1 MAKING MODERN LIVING POSSIBLE FP735Si Electronic 3-Channel Full Programmer for Heating and Hot Water with Service Interval Timer User Guide Danfoss Heating...
  • Page 2 Marketing on 0845 121 7400. Certification Mark Danfoss can accept no responsibility for possible errors in catalogues, brochures, and other printed material. All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
  • Page 3 Thank you for buying a Danfoss product Danfoss Heating...

  • Page 4: Table Of Contents

    User Instructions FP735Si Electronic 3-Channel Full Programmer Index 1.0 User Instructions ..................6 Display ....................6 Preset programmes ...............7 Before you start ................7 Display preferences ...............8 Setting the date and time ............8 Accepting the preset programmes ........10 Before you change the preset programmes ..... 10 1.7.1 Changing Zones ................
  • Page 5 This programmer works together with the room thermostats and the hot water thermostat. When the room and/or the hot water has reached its set temperature, the heating will go off . Even if the programmer has set it on. Danfoss Heating...

  • Page 6: User Instructions

    3 on and 3 off events per day 2 on and 2 off events per day 1 on and 1 off event per day. All Day Mode Timer (OFF) Mode + HRS: Extends function by 1, 2 or 3 hours Timer (ON) Mode FP735SI...

  • Page 7: Preset Programmes

    1.2 Preset Programmes Your FP735Si comes ready programmed with a set of operating times which often suit most people. Weekdays (Mon-Fri) Weekend (Sat-Sun) Event Time Hot Water Event Time Hot Water Heating Heating 06:30 1st ON 07:30 1st ON 08:30...

  • Page 8: Display Preferences

    1.5 Setting the Time and Date Setting the correct date and time Your FP735Si incorporates a real time clock with calendar function that automatically changes time in both Spring and Autumn. The time and date is set in the factory, and does not normally require adjustment.
  • Page 9 After setting the date press PROG to display the time. The time display will fl ash on and off . Use the + and - buttons to set the correct time (press and hold to change in 10 minute increments). (Fig. 4) Danfoss Heating...

  • Page 10: Accepting The Preset Programmes

    In 5+2 day mode (Fig. 8) you can enter one set of programmes for weekdays and another set for weekends (see page 13). Fig. 7 Fig. 8 Note: Either weekdays or weekend days are shown in the display. FP735SI...

  • Page 11: Changing Zones

    1.7.1 Changing Zones The FP735Si is a 3 Zone timer and can schedule individual times to switch each Zone of your Central Heating and Hot Water system. To view or set the on/off schedule for each Zone the corresponding Channel number must be showing on the display.

  • Page 12: Programming In 7-Day Mode

    4. Continue steps 2 and 3 until all the days you would like to copy to have been copied. 5. To exit advanced copy mode press the DAY button until the day copied from is selected and press the COPY button. Note: Advanced Copy can only be used if the Advanced FP735SI...

  • Page 13: Programming In 5+2 Day Mode

    6-7) or press the COPY button to repeat weekday programme. To return to RUN mode, press and release the PROG button. The display will change to show the current time (Fig. 16). Fig. 14 Fig. 15 Fig. 16 Danfoss Heating...

  • Page 14: Programming In 24 Hour Mode

    Press and hold the PROG and V buttons for 3 seconds. The display will change to that shown in Fig. 20. This will take you into Advanced Programming Mode option 1. Use the Λ or V buttons to enable or disable the function (1=enabled, 0=disabled). Fig. 20 FP735SI...
  • Page 15 Press the PROG button, the fi rst preset time. (Event 1 for Programme A) appears in display (Fig. 23). b) Use the + or - buttons to adjust the TIME (press and hold to change in 10 minute increments). Fig. 23 Danfoss Heating...
  • Page 16 Press the PROG button to return to previous RUN mode. The heating will now follow the times programmed (Fig. 27). Fig. 24 Fig. 25 Fig. 26 Fig. 27 Note: Advanced copy function is only available in 7 day mode. FP735SI...

  • Page 17: Advanced Functions

    Note: When in Auto or Allday modes, the clock symbol is displayed to indicate the programmed events will be followed. 2.2 Holiday Mode The FP735Si can temporarily switch off all programmed on events while you are away on holiday, returning to your programmed settings at a specifi ed date.

  • Page 18: User Overrides

    2.3 User Overrides Sometimes you may need to change the way you use your heating temporarily, e.g. due to unusually cold or warm weather. The FP735Si has several user overrides, which can be selected without aff ecting the set programmes. When user overrides are active, the hand symbol will be fl ashing to indicate a manual change is active.

  • Page 19: Extend By 1, 2 Or 3 Hours

    To change from Summer to Winter (turn clocks back) With clock display showing, press and hold the - button until time moves back. To change from Winter to Summer (move clocks forward) With clock display showing, press and hold the + button until time moves forward. Danfoss Heating...

  • Page 20: Advanced Programming

    SEr and the service due date. The visual and audible warnings will remain until a button is pressed to cancel them. If cancelled the alarm will recommence the following day at noon. The alarm symbol will fl ash as a constant reminder. FP735SI...

  • Page 21: Resetting The Unit

    PROG button. This resets event times to their defaults (see 1.2). Any ADVance overrides and +HRS overrides are cancelled. Pre-programmed parameters (Installation Guide) are reset to default values. Clock and date are not changed. Danfoss Heating...

  • Page 22: Info Button (Copy/I)

    The information elements are shown in sequence as the info key is pressed repeatedly. Model number The Danfoss model number is displayed at the top of the display. Software version The user application software version of the programmer is displayed.
  • Page 23 Danfoss Heating...
  • Page 24 Danfoss Ltd. Ampthill Road Bedford MK42 9ER Tel: 0845 1217 400 Fax: 0845 1217 515 Email: ukheating@danfoss.com Website: www.heating.danfoss.co.uk Part No. 013R9578/VUHVG102 - 04/2013...

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