Horstmann 425 Series Data Sheet
Contents
1. 425 Series Electro mechanical Programmers 425 advance HO 2STMANN 425 series mechanical programmers are the simplest way to control hot water and central heating in the home e Simple to use with easily understood settings adjusted in seconds e Rotating 24 hour dial and tappet arrangement e Easy to install using a nine pin backplate e Advance control to allow manual override ON or OFF e Programme options ON OFF All Day or Auto recommended Specification 425 DIADEM 425 TIARA amp DIADEM This twin circuit hot water and central heating CONTACT RATING programmer with indicator lights has 16 programmes available for fully pumped systems including CONTACT TYPE independent programming of heating and hot water and 10 programmes for gravity hot water pumped heating systems The Diadem is ideal for gravity systems and fully pumped systems with zone valves POWER CONSUMPTION DIRT PROTECTION MOISTURE PROTECTION 425 TIARA ENCLOSURE PROTECTION The Tiara has all the capability and features of the 425 MAXIMUM OPERATING Diadem but without the indicator lights TEMPERATURE DIAL SETTING The Tiara is ideally suited for both gravity systems and fully pumped systems with either mid position or zone valves DIMENSIONS MOUNTING 425 CORONET CORONET A single circuit timeswitch for straight forward CONTACT RATING accurate time control CONTACT TYPE The 425 Coronet is particularly suitable for comb2. gland No 457553 January 2013 Secure Controls UK Ltd All rights reserved The company reserves the right to alter product specifications without notice Part No P81252 Issue 6
3. i boiler systems warm air systems and extra zone control POWER CONSUMPTION DIRT PROTECTION MOISTURE PROTECTION ENCLOSURE PROTECTION MAXIMUM OPERATING TEMPERATURE aasdiadem e e e e EME asmara e fe e Pe scornet e e 7 tel Single Circuit Twin Circuit Permanent ON OFF ON All Day ON OFF twice a day Combi Boilers Pumped Systems Gravity HW Independent CH HW Immersion Heaters Indicator Lights DIMENSIONS MOUNTING South Bristol Park Roman Farm Road Bristol BS4 1UP Double circuit 6 2 5 Amps 230V AC Micro disconnection changeover Voltage Free Synchronous 230V 50Hz Double Insulated 2 5W Normal Situations Ordinary Ip20 55 C 2 ON 2 OFF Tappets Min ON OFF period 45 mins 152mm x 107MM x 39mm 9 Pin wall fixing plate Single circuit 13 6 A 230V AC Micro disconnection changeover Voltage Free Synchronous 230V 50Hz Double Insulated 2 5W Normal Situations Ordinary Ip20 55 C 2 ON 2 OFF Tappets Min ON OFF period 45 mins 152MM X 107MM x 39mm 9 Pin wall fixing plate f t 44 117 978 8700 f 44 117 9788701 e sales horstmann co uk www horstmann co uk HO SZSTMANN Horstmann is a trading name of Secure Controls UK Ltd a wholly owned subsidiary of Secure Holdings PTE Ltd Registered office Secure House Moorside Road Winnall Trading Estate Winchester Hampshire S023 7RX Registered in En
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