3020P electro-mechanical 24 hour timeswitch with auxiliary heating switch Installation & User Instructions This product complies with the following EC Directives: Electro-Magnetic Compatibility Directive. (EMC) (2004/108/EC) Low Voltage Directive.
Index Installation Product specification 3 Installation 4 Wiring 5-6 User Your timeswitch Programming the unit Setting the clock 8 Using the timeswitch 9 INDEX Contact details 2 7 7-8 12
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 ± 15% Vac, 50/60Hz Switch action 1 x SPST, type 1B Switch rating Max 264 Vac, 50/60Hz, 3(1) A Timing accuracy ± 1 min/month Enclosure rating IP30 Max.
Installation Installation 1. Unscrew fixings rings from selector switches, move all four tappets to top of dial and remove outer case. 2. Slacken the two screws securing the plug-in module to backplate and separate module from backplate by pulling upwards. 3. Fix backplate to wall (3 hole fixing). 4. Referring to wiring diagrams on pages 5 and 6 make electrical connections as shown (as applicable). 5. Secure cables under cable clamp. 6.
! Terminals 3 and 5 are not internally connected to the programmer and may therefore be used as spare wiring terminals if required.
Wiring continued ON Selector Switch OFF Timed Heating Switch 1 2 3 4 5 6 7 3020P Terminals N L 1 2 3 core Wiring Brown Grey Orange Blue Danfoss Randall WB12 1 12-way junction box 6 2 Flying lead Danfoss Randall HP22 or HP28 SRZV (Heating) Danfoss Randall ATC Cylinder Stat 1 4 (N) 2 3 3 4 5 6 2 core + 3 core 2 core 7 S/L 8 L Brown Orange Grey Blue Danfoss Randall RMT230 Room Stat Mains Supply Danfoss Randall HP22 or HP28 SRZV (Hot Water) 9 N 10 Flying lead 3 or
User Instructions Your timeswitch Four tappets on the timing dial let you decide when you want your hot water and heating to come on and go off each day. The timeswitch provides 2 ON times and 2 OFF times per day. Using two simple switches you can run the system at the set times, constantly ON or constantly OFF. During the summer the central heating can be turned off, whilst still controlling the hot water at the set times.
Programming the unit & Setting the clock 2 Still holding the central knob, move the blue tappet marked ‘B’ to the time you want your HEATING/HOT WATER to switch off in the morning. 3 You can set your other two tappets in the same way to set your HEATING/HOT WATER for the afternoon or evening. EXAMPLE (NB.
Using the Timeswitch The 2 switches are used to select how the 3020P controls your hot water and heating. The heating and hot water can be operated together or the water can be controlled on its own (i.e. during the summer when only hot water is required).
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 0845 121 7505 (8.45-5.00 Mon-Thurs, 8.45-4.30 Fri) For a large print version of these instructions please contact the Marketing Services Department on 0845 121 7400. Danfoss Ltd Ampthill Road Bedford MK42 9ER Tel: 01234 364621 Fax: 01234 219705 Part No.
