02E7 7-Day electronic mini-programmer for controlling hot water and heating (Including Factory Replacement Units FRU) Danfoss Heating Installation and User Guide
Index Installation Product specification 3 Installation 4-6 Wiring 6-9 Replacement 10-11 INDEX User Your programmer 12 Resetting the unit 12 24hr or AM/PM display 13 Setting the Time and Day 13 Factory preset programmes 14 Changing the preset programmes 15 Setting the programme - 7 day 16-17 Setting the programme - 5/2 day 18-19 Running your programme 20 Temporary user overrides 21 Battery backup 22 Contact details 24 ® Certification Mark Danfoss can accept no responsibili
Installation Instructions Please Note: This product should only be installed by a qualified electrician or competent heating installer, and should be in accordance with the current edition of the IEEE wiring regulations. Product specification Power supply 230 Vac ± 15%, 50 Hz Switching action 1 x SPST, Type 1B Max. Switch rating 264Vac, 50/60Hz, 3(1)A Running/Setting Accuracy ±1 min./month Power Reserve Minimum 24 hours Max.
Installation NB. For FRU units - go straight to point 6 below. 1. Loosen the fixing screw in the base of the unit to release the Wiring Cover. 2. Holding the unit face downwards, press firmly in the centre of the wallplate and slide it apart and lift it from the module. 3. Fix the wallplate and terminal block to the wall, or plaster box, as required.
. Electrical connections are simplified by using a Wiring Centre. However, if this is not used, the wallplate terminal identification is as shown. Water Heating Mains Supply (via 3 amp fuse) ON ON COM 1 2 3 N L 5 6 6. Referring to the wiring diagrams on page 6-9, connect the unit as shown. 7. Find out from the user whether the unit is required to operate in 7-day mode (factory preset) or weekday/ weekend mode (5/2 day).
10. Then press the SELECT button until the bar lines up with the word OFF and check the system does not operate. 11. Set the rocker switch to WATER ONLY. Press the SELECT button until the bar in the display lines up with the word ON and check that the water circuit only operates. 12. When the circuit check has been completed, replace the wiring cover and tighten the fixing screw. Cut any cable aperture in the wiring cover which may be necessary to accommodate surface mounted cables. 13.
Typical Gravity DHW with Pumped Heating 2 1 5 3 6 102E7 102E5 TERMINALS TERMINALS LINK L COM N ROOM 'STAT L N N BOILER TERMINALS L N PUMP TERMINALS Typical domestic gas or oil-fired central heating system with gravity hot water and pumped heating. (If a room thermostat is not used, wire pump live directly to terminal 2 of the 102E7).
Typical Heating and Hot Water control system using 3-port mid-position valve 2 1 5 3 6 102E7 102E5 TERMINALS LINK L ROOM 'STAT COM CALL N WHITE BLUE OR BROWN N CYL. 'STAT COM SAT CALL GREY RED OR ORANGE Wiring MID-POSITION VALVE 8 L N MAINS SUPPLY FUSED 3 AMP BOILER & PUMP TERMINALS The above control system is available as the Danfoss Randall 102E7 HEATSHARE pack, which also includes the RMT room thermostat, AT cylinder thermostat, HS3 mid-position valve and a WB12 wiring box.
Typical Heating and Hot Water control system using 2-port zone valves 2 1 5 3 6 102E5 102E7 TERMINALS TERMINALS LINK COM L COM ROOM 'STAT SAT CALL CYL. 'STAT N N MAINS SUPPLY FUSED 3 AMP CALL HEATING VALVE N N L N BOILER & PUMP TERMINALS The above control system is available as the Danfoss Randall 102E7 HEATPLAN pack, which also includes the RMT room thermostat, AT cylinder thermostat, two 22mm HPP zone valves and a WB12 wiring box. Wiring D.H.
2 2 2 1,3 HORSTMANN DIAMOND 424 POTTERTON 423 SANGAMO S409 F1 & F4 SANGAMO (Early model) S410 Form 4 Boiler (8) HORSTMANN CORAL 423 & 424 2 4 RANDALL MKII R6 HORSTMANN DIAMOND 423 4 RANDALL 3020P, 3060 4 5 4 4 4 Air ‘Stat (8) 5 2 2 2 1 1 Heating ON Water ON RANDALL 102, 102E, 102E7 DANFOSS RANDALL 102E7 - - - - - - - - 3 3 COM Replacement N,2 N,1,3 N N N 2,3 3 1,7 5 5 (N) MAINS SUPPLY (via 3 amp fuse) L L L,1,3 L,1,3 L,1,3 1 1,2 6 6 6 (L)
5 3 5 3 3 V 2 2 SMITHS IND. CENTROLLER 60 SMITHS IND. CENTROLLER 10 SMITHS IND. CENTROLLER 70 SWITCHMASTER 320, 350 SWITCHMASTER 600 VENNER VENOTROL VENNER VENOTROL 80 (Air ‘Stat) VENNER VENOTROL 80 (Air ‘Stat Linked) - - - - - - - - - 3 COM Replacement 5 A/S S,F 1 1 4 2 4 2 2 1 3 Heating ON Water ON SMITHS IND.
User Instructions Your programmer Your programmer and Resetting the unit Your 102E7 mini-programmer allows you to switch your heating and hot water on and off at times that suit you. The 102E7 can provide 3 ON periods and 3 OFF periods each day and can offer either 7-day control (a different programme for each day of the week) or 5/2 day control (one set of programmes for weekdays and a different set for weekends). Before you start/Making a Full Reset Open the flap on the front of the unit.
Press and hold DAY and NEXT ON/ OFF buttons for 1.5 seconds to toggle between 24hr clock and AM/PM display, as required. PROGRAMME + DAY NEXT/ON/OFF - COPY PROGRAMME + DAY NEXT/ON/OFF - COPY PROGRAMME + DAY NEXT/ON/OFF - COPY R Setting the correct Time and Day Setting the Date Press and hold PROG for 5 seconds to display year. R Use the + or - buttons to set the correct year. Press DAY to display day and month. Use the + or - buttons to set the correct month (Jan=1, Feb=2 etc.).
Use the + or - buttons to set the correct time (press and hold to change in 10 minute increments). Setting the Day The day of the week is set automatically. Press PROG to exit into RUN mode. Factory Presets Factory preset programmes The unit is supplied with the following preset programme which will be active after the unit has been reset. 1st ON 1st OFF 2nd ON 2nd OFF 3rd ON 3rd OFF Mon-Fri Sat-Sun 6.30am 8.30am 12.00pm 12.00pm 5.00pm 10.30pm 7.30am 10.00am 12.00pm 12.00pm 5.00pm 10.30pm NB.
Before you change the preset programmes • 7 day - different settings for each day of the week (page 16-17) - default setting • 5/2 day - one set of programmes for weekdays and another for weekends (page 18-19) ! Please follow the correct instructions to programme your unit. Please Note The unit must be programmed in sequence and ON/OFF times cannot be set out of sequence.
Programming the heating & hot water in 7-day mode Programming the unit - 7-day mode 1. Use the + and - buttons to set the time you want your heating to first come on in the morning (Event 1). 2. Press NEXT ON/OFF to move to Event 2. Either press COPY to use the same settings as the day before or continue to programme the central heating ON and OFF times, using the + and - buttons to set the time you want and pressing the NEXT ON/OFF button to move to the next setting. 3.
a) NEXT ON/OFF button to move to the next setting, b) + and - buttons to amend the time c) DAY to advance to the next day. Alternatively press COPY to keep the same settings as the day before 4. 5. Press the PROGRAMME button to return the unit to RUN mode Proceed to page 20.
Programming the heating & hot water in 5/2 day mode Programming the unit - 5/2 day mode 1. PROGRAMME + DAY NEXT/ON/OFF - COPY PROGRAMME + DAY NEXT/ON/OFF - COPY PROGRAMME + DAY NEXT/ON/OFF - COPY PROGRAMME + DAY NEXT/ON/OFF - COPY R Use the + and - buttons to set the time you would like your heating/hot water to first come on in the morning (Event 1). 2. Press NEXT ON/OFF once only. Use the + and - buttons to set the time you want your heating/ hot water to go off (Event 2).
Alternatively, programme new ON/OFF times by pressing the NEXT ON/OFF button to move to the next setting and using the + and - buttons to set the time you want. 5. Press the PROG button to return the unit to RUN mode 6. Proceed to page 20.
Running your programme The 102E7 will either control your hot water and heating together, or just your hot water (i.e. during the summer, when heating is no longer required). To make your selection use the rocker switch under the LCD display to select either WATER/HEATING or WATER ONLY To run the central heating and/or hot water programme press the SELECT button.
Temporary User Overrides Sometimes you may need to need change the way you use your heating temporarily, i.e due to unusually cold weather. The 102E7 has two convenient overrides which can be selected without affecting the set programme. Override buttons If the system is off it will come on for an hour. If it is already on it will add an extra hour so the system stays on for an extra hour. To cancel the override press +1HOUR again (red light will go off ).
Battery backup In the event of a power cut, the built-in battery will keep your time and programme settings for up to 2 days. After 2 days without mains power the date and time will be lost. When mains power is restored, the unit should be RESET, by pressing the R/S button beneath the flap, using a small nonmetallic object, i.e. matchstick, biro tip (see page 12). Battery backup Then reprogramme date and time.
Still having problems? Call your local heating engineer: Name: Tel: Visit our website: www.heating.danfoss.co.uk Email our technical department: ukheating.technical@danfoss.com Call our technical department 01234 364 621 (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.