Related Manuals for Danfoss 103
Summary of Contents for Danfoss 103
- Page 1 Electro-mechanical 24 hour timeswitch for controlling hot water and heating (Including Factory Replacement Units FRU) Installation and User Guide Danfoss Heating...
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Page 2: Table Of Contents
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: 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 Vac ±... -
Page 4: Installation
Installation Pre-Selector wheel Selector switch Plug-in replacement module Wallplate/Terminal block (not with FRU units) NB. For FRU units - go straight to to point 4 on page 5 wallplate/ Loosen the fi xing screw in the terminal base of the unit to release the block grey plastic Wiring Cover. - Page 5 Fix the Wallplate/Terminal Block to the wall with countersunk No.8 woodscrews or to a steel box to BS 4662. 1970 or a surface mounting steel or moulded box having centres of 23/8” (60.3mm). Referring to the Wiring Diagrams on page 6, connect the unit as shown.
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Page 6: Wiring
Wiring TYPICAL EXTERNAL CIRCUITS 103 Terminals 103 Terminals Link Mains Mains Supply Supply Room Low voltage voltage Stat room stat supply/return Load Call Load Terminals 2) Control of Low Voltage Systems 1) Control of Heating Function only (Mains Voltage) (e.g. warm air gas valves, low voltage... -
Page 7: What Is A Timeswitch
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 off at... -
Page 8: Your Timeswitch
User Instructions Your timeswitch Your 103 timeswitch has one time output which can be used to control your heating and hot water at the same times. Normally the 103 provides 2 ON periods and 2 OFF periods each day. However 1 ON and 1 OFF period can be obtained by using the Pre-Selector Wheel (see page 12). -
Page 9: Setting The Time Of Day
Setting the time of day The dial on the front of the 103 displays the hours of the day using the 24hour clock. Remove dial cover (turn slightly to the left and pull off ) Turn the dial clockwise until the correct time is aligned to the TIME mark (as shown). - Page 10 Example: If you want your system ON between 8am and 10am and again between 4pm and 11pm, set the tappets as shown. (A to 8, B to 10, C to 16, D to 23). A = 1st ON B = 1st OFF C = 2nd ON D = 2nd OFF Remember:...
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Page 11: Selecting Operating Mode
Selecting operating mode The Rocker Switch on the side of the unit is used to select how your 103 controls your hot water & heating system. You can manually select either: hot water & heating follow set programmed ... -
Page 12: Temporary Overrides
Overriding the programe using the Pre- Selector wheel The pre-selector wheel can be used to override the set programme on occasions when you need to change from your normal heating routine. By turning the wheel anti-clockwise you can turn the unit ON when it is OFF and vice versa. -
Page 16: Contact Details
Call our technical department 01234 320 256 (9:00-5:00 Mon-Thurs, 9:00-4:30 Fri) For a large print version of these instructions please contact the Marketing Services Department on 01234 364 621. Danfoss Ltd Ampthill Road Bedford MK42 9ER Tel: 01234 364621 Fax: 01234 219705...
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Questions and answers
Can you use a 103 to replace a 102 on a heating system that has a thermostat in the boiler and water and heating works together and can't work separately
dose the 103 replace the Danfos 104 E7?