The diadem is ideal for gravity systems and fully pumped systems with spring return zone valves. Horstmann 425coronet 425 coronet time clock timer, colour may vary 4. Horstmann 425 diadem manuals and user guides, motherboard. If this is not the manual you want, please contact us. Database contains 2 horstmann 425 tiara manuals available for free online viewing or downloading in pdf. With our online resources, you can find horstmann t50 user guide or just about any type of. Advance control to allow manual override switching on or off.
You will be glad to know that right now horstmann t50 user guide pdf is available on our online library. This twin circuit, hot water and central heating programmer, with indicator lights. Horstmann 425 tiara user operating instructions manual pdf. Isolate mains supply before commencing installation horstmann 425 range installation instructions. The latest horstmann controls series 3 electronic 7 immersion heater control now has a security code feature that enables predetermined settings to be preserved and prevents unauthorised alterations which could affect the timer making best use.
Horstmann 425 electro mechanical programmer is the simplest way to control hot water and central heating in the home. With rotating 24hour dial, on and off tappets and slider switches for setting the programme, the 425 series is considered to be one of the simplest programmers to use. Page 1 horstmann 425 range installation instructions the 425 range of traditional electromechanical programmers offer a simple yet effective way of controlling hot water and central heating with the twin circuit diadem and tiara also allowing independent control of both. Take control of your central heating system with our huge range of heating controls and thermostats suitable for any installation or budget. The twin circuit diadem and tiara will also allow you. The device indicates the measuring results and parameter settings on a menucontrolled display and reports and parameterises these data remotely using the.
Horstmann 425 diadem twin channel 24hour programmer. Buy the horstmann 425 coronet single channel timeswitch at. C common call call for heat or break on rise sat satisfied on rise n neutral 6 coronet on off timeo output diadem tiara neon shown is only on the 425 diadem. Need a manual for your horstmann 425 diadem thermostat. Horstmann controls ltd, a division of horstmann group ltd. Product description siemens drayton randall honeywell horstmann sunvic pegler myson potterton daily electromechanical programmer 10 or 16 way rwb2e 400 805 600 sm2 3020p 3060 4033 set3m h425 tiara h425 diadem mp2 tmp2 to replace a diverter valve with a midposition valve, replace old brown wire with grey and white together and make the orange. As a local supplier, phc are proud to support horstmann by distributing the entire range of horstmann products.
Below you can view and download the pdf manual for free. Page 1 user operating instructions horstmann 425 tiara diadem electromechanical programmers the horstmann 425 tiara and diadem programmers are 2 circuit central heating and hot water programmers able to switch on and off twice every 24 hours. Manual horstmann 425 diadem thermostat manuals manuall. Buy the horstmann 425 diadem programmer from direct heating spares.
Can be used as a direct replacement for horstmann 425 diadem, tiara. It works well when it works but i live in the country and prone to power cuts. Horstmann 425 coronet electromechanical timeswitch user operating instructions 1. Simple to use with easily understood settings adjusted in seconds through rotating 24 hours dial and tappet arrangement. Horstmann programmer diadem mechanical uk plumbing ltd. Horstmann 425 tiara programmer horstmanns bestselling, big value 425 series programmers are the simplest way to control water and central heating in the home. Horstmann horstmann 425 tiarausersmanual120173 horstmann 425 tiarausersmanual120173 horstmann pdf.
Simple to use with easily understood settings adjusted in seconds. Horstmann 425 diadem problem troubleshooting problem. Hi, i would bet yours is a horstmann 425 diadem or tiara, is so the direct plug in replacement using the existing backplate is the channelplus h27xl, available from lots of. Simple yet sophisticated horstmanns latest programmable stats sit comfortably alongside old faithful. Summary of contents for horstmann 425 range page 1 horstmann 425 range installation instructions the 425 range of traditional electromechanical programmers offer a simple yet effective way of controlling hot water and central heating with the twin circuit diadem and tiara also allowing independent control of both.
Page 1 user operating instructions horstmann 425 tiaradiadem electromechanical programmers the horstmann 425 tiara and diadem programmers are 2 circuit central heating and hot water programmers able to switch on and off twice every 24 hours. Diadem model is a two circuit programmer with indicator lights. I have recently bought a hive dual channel thermostat system to replace my horstmann 425 diadem programmer. Is your product defective and the manual offers no solution. Horstmann 425 range installation instructions manual pdf.
Channelplus h27xl read user manual online or download in pdf format. Horstmann tiara programmer heating controls online. How to set your manual programmertimer so it turns your central heating on and off automatically when you want it to. There are also frequently asked questions, a product rating and feedback from users to enable you to optimally use your product. Orders placed after the cut off time and weekend will be processed on the following business day. Horstmanns best selling, big value 425 series programmers are the simplest way to control water and central heating in the home simple to use with easily understood settings adjusted in seconds easy to install, uses a 9 way standard backplate amp rated advance control to allow manual override switching on or off suitable for pumped and gravity. Horstmann 425 tiara users manual manualslib makes it easy to find manuals online. Horstmann 425 central heating programmers hot water. Select onoff twice a day, on all day, or permanently on or off with advance switch and 9 pin wall fixing plate. The compass a device is a combined shortcircuit and earth fault indicator for medium voltage distribution networks. The twin circuit diadem and tiara will also allow you to have independent control of hot water and central. Among the best known horstmann products is the 425 range of electromechanical time clocks, with models including the coronet time switch, and tiara and diadem twin channel programmers.
Installation instructions, user operating instructions manual. How can i replace my mechanical central heating timer with. Horstmann electrisaver a timely reminder to keep energy costs under control. The range consists of three models, the coronet single circuit timeswitch and the tiara and diadem two circuit. The simple instructions contained in this user guide are designed to help with the programming and operation of these units. Boiler spares, heating controls and much more, free boiler manuals also available to download. Horstmann diadem programmer heating controls online. Database contains 2 horstmann 425 diadem manuals available for free online viewing or downloading in pdf. We use cookies to help the site work correctly, improve the experience, collect performance data and assist with our marketing. By continuing to use our website you agree to our use of cookies. The horstmann 425 tiara and diadem programmers are 2 circuit central heating and hot water programmers able to switch on and off twice every 24 hours. The horstmann 425 coronet timeswitch is a single circuit central heating. Programmer, horstmann 425 diadem indicator lights phc.
Horstmann, honeywell, danfoss randall, acl drayton etc. After about 2 years the horstmann will not start on its own. The 425 tiara is a twin circuit, hot water and central heating programmer, has 16 programmes available for fully pumped systems, including independent programming of heating and. User manuals, guides and specifications for your horstmann 425 diadem motherboard, thermostat. An advance switch is provided to make temporary overrides to the on or off periods and a selector switch gives a further choice of programmes. This was fitted many years ago when the integral timer gave up the ghost. Horstmann 425 diadem central heating programmer time switch. Horstmann 425 diadem programmer time switch stevenson. Being in control of your heating can save you money and make your home more. Horstmann t50 user manual forums horstmann 425 diadem programmer time switch best selling, big value 425 series programmers are the simplest way to control water and central heating in the home, the horstmann centaurplus c17 timeswitch will allow user operating instructions 1. User manuals, guides and specifications for your horstmann 425 tiara motherboard, thermostat.
Horstmann 425 diadem user guide can be downloaded by clicking on horstmann 425 diadem manual. Horstmann 425 425 electro mechanical programmer diadem. The 425 coronet is particularly suitable for combi boiler systems, warm air systems and extra zone control. An advance switch gives temporary override without altering settings. I have an oil heating system, hence taking a look at it myself as there is no installation available from hive. Horstmann 425 tiara programmer specialists in plumbing. Changing horstmann 425 diadem to hive dual channel. Horstmann twin circuit hot water central heating programmer. Easy to install, uses a 9 way standard backplate supplied. You can also discuss and ask your questions about horstmann 425 diadem below. We provide a comprehensive list of thermostat manuals for troubleshooting. We have over 20,000 items in stock and available next day. Horstmann 425 diadem 2 channel timeswitch programmers. Buy the horstmann 425 diadem 2 channel timeswitch at.
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