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103E5 Electronic Timeswitch for Controlling Hot Water and Heating (Including Factory Replacement Units FRU) Installation and User Guide Danfoss Heating...
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 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 ±...
Installation NB. For FRU units - go straight to point 6. Loosen the fi xing screw in the base of the unit to release the Wiring Cover. Holding the unit face downwards, press fi rmly in the centre of the wallplate and slide it apart and lift it from the module.
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Electrical connections are simplifi ed by using a Wiring Centre. However, if this is not used, the wallplate terminal identifi cation is as shown. Mains Supply LOAD (via 3 amp. fuse) SPARE If the system being controlled is 230 Vac then terminals 3 and L must be linked with insulated cable capable of carrying full load current.
10. Then press the SELECT button until the bar lines up with the word OFF and check the system does not operate. 11. When the circuit check has been completed, replace the wiring cover and tighten the fi xing screw. Cut any cable aperture in the wiring cover which may be necessary to accommodate surface mounted cables.
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Typical Gravity DHW with pumped heating 103E5 TERMINALS LINK ROOM MAINS 'STAT SUPPLY FUSED 3 AMP CALL BOILER PUMP TERMINALS TERMINALS Typical control of Pump for Central Heating on a Solid Fuel System 103E5 TERMINALS LINK ROOM MAINS 'STAT SUPPLY...
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Typical Heating Only system, Boiler and Pump control 103E5 TERMINALS LINK ROOM MAINS 'STAT SUPPLY FUSED 3 AMP CALL BOILER PUMP TERMINALS TERMINALS Typical control of Low Voltage System requiring voltage free contacts 103E5 TERMINALS MAINS SUPPLY FUSED CALL 3 AMP...
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Typical control of Heating when provided by Combination type Boiler 103E5 TERMINALS ROOM MAINS 'STAT SUPPLY FUSED 3 AMP CALL COMBI BOILER INPUT OUTPUT TERMINALS Typical Heating & Hot Water control system using 3 port mid-position valve 103E5 TERMINALS LINK...
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...
Your 103E5 timeswitch controls your hot water and heating together, turning them on and off at the same times . The 103E5 can provide 3 ON periods and 3 OFF periods each day and can off er either 24 hour control (same programme for each...
Before you start Open the fl ap on the front of the unit. Press all four buttons (SELECT / ADVANCE / + / -) at the same time This will reset the unit, reinstate the PROGRAMME preset programmes and set the time to 12:00pm on Monday.
Factory Presets The unit is supplied with the following preset programme which will be active after the unit has been reset. Mon-Fri or All Sat-Sun* days in 24hr mode (5/2day mode only*) 1st ON 6.30am 7.30am 1st OFF 8.30am 10.00am 2nd ON 12.00pm 12.00pm...
Programming event times in 24 hour mode You can programme your timeswitch to come on and go off up to 3 times each day, to suit your requirements. Press PROGRAMME until 1 (Event 1) shows along the top of the display.
Programming event times in 5/2 day mode You can programme your timeswitch to come on and go of up to 3 times each day, to suit your requirements, with one set of programmes for weekdays and a diff erent set of programmes for the weekend.
Running your programme The 103E5 controls your hot water and heating together, turning them on and off at the same times. To run the central heating and hot water programme press the SELECT button. As you press SELECT a bar on the display will move between ON, OFF, ALLDAY and AUTO ...
Temporary User Overrides Sometimes you may need to change the way you use your timeswitch temporarily, i.e due to unusually cold weather. The 103E5 has two convenient overrides which can be selected without aff ecting the set programme. Override buttons +1HOUR ...
Battery backup In the event of a power cut, the built-in lithium battery will keep your time and programme settings for up to 15 days. After 15 days without mains power the unit will switch off and two dots will show in the display. However all your programmed on/off times will be remembered.
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 Randall Ltd Ampthill Road Bedford MK42 9ER Tel: 01234 364621 Fax: 01234 219705...
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