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MAKING MODERN LIVING POSSIBLE FP735Si Electronic 3-Channel Full Programmer for Heating and Hot Water with Service Interval Timer Installation Guide Danfoss Heating...
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(LVD) (2006/95/EC) 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.
Installation Instructions FP735Si Electronic 3-Channel Full Programmer for Heating and Hot Water with Service Interval Timer Index Installation Guide ................4 System Overview .................4 Installation ....................5 3.1 Removing the wallplate .............5 3.2 Installation considerations ............5 3.3 Wiring ....................5 3.3 Mounting the unit ................6 3.4 Unit startup ..................6...
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. 2.0 System Overview Timer Features FP735Si Power supply 230V ±15%, 50Hz Memory backup Retained for the life of the product...
21mm to the right, 21mm to the left, 36mm above and 106mm below in order to mount the plug-in module. 3.3 Wiring 2 off 3 on 2 on 1 on 1 off Note: A typical system wiring example is shown on page 18 Danfoss Heating...
RESET button to start up the FP735Si unit. 4.0 Programming Options FP735Si is delivered with a set of parameters that have been pre- programmed to cover the most typical type of installations. See (5.0). If a diff erent parameter setup is wanted the unit provides two...
See the User Guide for normal programming instructions. Advanced Programming Advanced Programming is meant for changing certain parameters that are usually only set once. Advanced Programming can typically be made by the installer as part of the system installation and setup. Danfoss Heating...
Keyboard lock (locked, not locked) Not locked Service interval (disabled, enabled) Disabled Note: for the UK market, the FP735Si comes with a default 12 hours clock (AM/ PM) setup. 5.2 Normal Programming The following pre-programmed parameters can be changed in the Normal Programming.
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11:30 13:30 16:30 22:30 Pre-programmed ON and OFF periods for 4 events per day Weekdays (Monday-Friday): Event Time Room heating/water heating status 06:30 08:30 16:30 22:30 Weekends (Saturday-Sunday): Event Time Room heating/water heating status 07:30 09:30 16:30 22:30 Danfoss Heating...
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...
The fl ashing digits in the center of the display indicate the number of the selected option. The large characters in the top or bottom of the display indicate the option value selected. c) Press and hold PROG until the display returns to RUN mode. Danfoss Heating...
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Press + until parameter 3 is displayed. Press V or Λ to select the required setting. 0 = disable summer/winter change 1 = enable manual summer/winter change 2 = enable automatic summer/winter change (default) FP735SI...
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Press V or Λ to select the required setting. WARNING: Changing this parameter will reset event times to default values. 24 = 24 hour 5-2 = 5+2 Day (or A+B if set in parameter 1) 7 = 7 day (default) Danfoss Heating...
1 = the keyboard is disabled (locked) 8.0 Service Interval Timer The FP735Si is equipped with an installer setback service interval timer. If this feature is required please contact our technical department. Setting instructions for this gas safety feature are only available to bona fi de heating installers.
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Channel Copy is used to copy events from one channel to another channel. To perform a Channel Copy operation: a) Press CH to select the channel to copy to. b) Press COPY/i to copy from the previous channel. Danfoss Heating...
Note: the fi rst COPY/i key press will only turn on the backlight if no keys have been pressed for 2 minutes. 11.0 How to Reset The Unit FP735Si has three levels of reset: Reset Full Reset 11.1 Reset Reset restores operation in the unlikely event that the unit has become unresponsive.
Event times are reset to their default values (section 5.2). • Next event overrides are cancelled. • +HRS overrides are cancelled. • Pre-programmed Parameters (see 5.1) are reset to default values. • Time and date are not changed. Danfoss Heating...
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