Danfoss FP735Si Installation guide
MAKING MODERN LIVING POSSIBLE
FP735Si
Electronic 3-Channel Full Programmer for
Heating and Hot Water with Service Interval Timer
Danfoss Heating
Installation Guide
GB
For a large print version of these instructions
please call Marketing on 0845 121 7400.
This product complies with the following EC Directives:
®
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.
2
Electro-Magnetic Compatibility Directive.
(EMC) (2004/108/EC)
Low voltage Directive.
(LVD) (2006/95/EC)
FP735SI
Installation Instructions
FP735Si
Electronic 3-Channel Full Programmer for
Heating and Hot Water with Service Interval Timer
Index
GBGB
1.0 Installation Guide ................................................................................4
2.0 System Overview .................................................................................4
3.0 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
4.0 Programming Options ......................................................................6
4.1 Normal programming .................................................................6
4.2 Advanced programming ...........................................................7
5.0 Pre-programmed Parameters ........................................................8
5.1 Advanced programming ...........................................................8
5.2 Normal programming .................................................................8
6.0 Display Information......................................................................... 10
7.0 Advanced Programming ............................................................... 11
8.0 Service Interval Timer .....................................................................14
9.0 Copy Functions .................................................................................. 14
10.0 The Information Key ........................................................................ 16
11.0 How to Reset The Unit .................................................................... 16
11.1 Reset ............................................................................................... 16
11.2 Full reset ........................................................................................ 17
12.0 System Wiring Example ................................................................. 18
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1.0 Installation Guide
Please Note:
This product should only be installed by a quali ed electrician or
competent heating installer and should be in accordance with the
GBGB
current edition of the IEEE wiring regulations.
2.0 System Overview
Timer Features FP735Si
Power supply 230V, 50Hz
Memory backup Retained for the life of the product
Factory set calendar clock Automatic summer/winter time change
Switching action of output relay 2 x SPDT, 1 x SPST, Type 1B
Switch rating of relay contact 3 x 3(1) A, 230 VAC
Rated Impulse Voltage 2.5 kV
Dimensions (mm) 140 wide x 91 high x 29 deep
Ball Pressure Test 75°C
Design Standard EN 60730-2-7
Control Pollution Situation Degree 2
Time accuracy ± 1 minute per month
IP rating IP30
Software Classi cation A
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FP735SI
3.0 Installation
3.1 First remove the wallplate from the back of the unit.
3.2 From the top left hand corner of the wallplate, there must be
clearances of at least 21mm to the right, 21mm to the left, 36mm
GBGB
above and 106mm below in order to mount the plug-in module.
3.3 Wiring
3 on
Note: A typical system wiring example is shown on page 18
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2 on
2 off
1 on 1 off
L
N
5
3.4 Mount the unit on the wallplate
Note: Always switch
the mains o rst
GB
GB
and never t/remove
the timer to/from a
live wallplate.
3.5 With the unit powered up, it is recommended to press and
release the RESET button to start up the FP735Si unit.
4.0 Programming Options
FP735Si is delivered with a set of parameters that have been preprogrammed to cover the most typical type of installations. See
(5.0). If a di erent parameter setup is wanted the unit provides two
programming options:
4.1 Normal programming
Normal Programming is meant for setting the timing pro le that
controls the ON and OFF periods for the room heating and for the hot
water. A daily pro le may be programmed and a pro le can control
the entire week where the weekend may be handled separately. Also a
timing pro le for a holiday can be entered.
As part of the normal daily operations, a simple one-button press
(+HRS) can extend a running ON period for room heating and/or hot
water by one hour. This can be repeated 3 times giving up to 3 hours
extension.
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FP735SI
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