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Danfoss FP735SI 3-zone timer

Product Code: 305215

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Product Description

The FP735Si programmer is a three channel programmer providing outputs for controlling ON and OFF periods for room heating and hot water. Each output channel can operate independently of the others, having its own separate timing.;The FP735Si is fully Part L compliant, and provides a single unit solution to fulfil the timings requirements for controlling a Hot Water zone together with two Room Heating zones.;The FP735Si offers up to six “ON-to-OFF” or “OFF-to-ON” changes each day. Independently set for each zone.;Programming Modes - Several programming modes are available for selecting “ON” and “OFF” periods that can suit many domestic needs. 7 day mode allows each day to be programmed individually. 5 day/2 day mode allows different “ON” and “OFF” periods to be set for the weekend. 24 hour mode for the same settings each day.;Holiday - The FP735Si allows the user to switch off the Hot Water and the Heating for a programmed holiday period. When the end of holiday date has been reached, the Hot Water and Room Heating will return to normal operation settings.;+ Hour Override - The FP735Si provides the user the ability to override the running programme. By pressing a key the user can extend a current “ON” time by 1, 2, or 3 hours. Or switch on the selected channel, when an “OFF” period is active.;Service Interval Timer - The service interval timer allows the installer to select a service due date for the boiler, this can be set at between 28 days and 366 days from the current date.

Product Features

  • Programmes selectable - on/off/auto/allday
  • On/offs per day - 2 on/offs or 3 on/offs per day
  • Select at installation
  • Voltage rating - 230vac
  • 50 hz
  • Contact rating - 3(1) a
  • 10-230 volts
  • Switching action - 3 x spdt
  • Type 1b
  • Maximum ambient temperature - 45
  • Memory back-up - time and all other settings - indefinitely
  • Dimensions - 140 wide x 91 high x 28 deep
  • Advance override - yes
  • +1 hour override - yesprogrammable holiday function - yes
  • Factory pre-set on/off time - yes
  • Automatic bst/gmt change - yes
  • Service interval timer - programmable 28 - 366 days
  • Output channels independent - 2 x hw & ch
  • Permanent back lit display - yes
  • Pumped or gravity hot water option - yes