Horstmann HRFS1 Room Thermostat Instructions Written by: Chris Waller Written on: February 05, Having an air conditioning and heating unit in your home or apartment can be nice during the summer and winter months, but without the proper thermostat installed you will not be able to control it. The Horstmann HRFS1 thermostat is a digital programmable room thermostat that you can use to accurately set the ideal temperature in your home. Using the controls on the device, you can ensure a comfortable temperature indoors all year long. Press the "Up" or "Down" arrows on the face of the thermostat to adjust the temperature you want the inside of your home to be. When the screen reads the temperature you want, leave the controls alone and the thermostat will turn on the appropriate heating or cooling system to get the temperature to that mark.

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Description Questions? A: Yes, you can get the new transmitter to talk to the old receiver as long as they have the same model number. Q: Hi, I have set the temperature at 21 and the display is going no higher than Do I need to reset it A: Hi. Give support a call on They will do some checks. Q: Hi. How do I change the day and time on thermostat? All other indicators are cleared. No problem switching on just will not switch off.

Happy to buy a new set from you if that will fix problem.. If I set a lower temperature, then a higher temperature, i. I then set a lower temp, i. When the thermostat switches the receiver on, the whole process repeats. Any suggestions please Regards. A: Hi. It sounds like there are communication issues. Try moving it to a location nearer the receiver. Q: Would this work with a morco gb24 series 2 combi A: Yes it would.

Q: I have Horstmann HRFS1 but the buttons are playing up, how easy is it to install a new one, can I do it or do I need an heating engineer to do it A: It is very easy as you can set it to work with the existing receiver.

Just change the code switches on the new thermostat so they match the old one. Q: Hi, Finally sussed our how to programme the T50 thermostat, but the minimum temperature will not set below 10 degrees. Is this preset or can you reset to a lower temperature??? No, you cannot programme a temperature below 10C. How do I override the settings to put the heating on during the day? Q: Hi Once you have set your programs could you tell me how long heating is on for before going off.

It is on until the set temperature is reached. If you want it to heat to and maintain 20C, then set it to 20C. Q: Is this compatible with a baxi combi he? Is the install easy? Thanks A: Yes it is. You just run a 4-core cable between boiler and receiver. So a fairly simple fit. Q: the green light on the power control unit will not come on, therefore no central heating, any ideas on how to fix this?

A: There is a manual override under the cover. Check to see if this is working. The battery icon is reading low hence the above issue. However I have replaced the batteries and the fault still occurs and the battery icon is still low.

Could you please advise. Many thanks. A: Hi Double check the new batteries are good. If they are, reset the thermostat by pressing the small reset button on the front with a pin. Q: I have changed the batteries in my portable control. Also, although the heating is on, the revolving symbol is not shown. Can you suggest a solution please. If not, then change the channel it is broadcasting on.

Q: Is this the price for both the thermostat and the reciever together? Q: We have a shared office two separate floors without access to each other sharing one boiler. Would it be possible to add a second so the first floor so the other occupier could increase the boiler operation times if they were working late etc? A: Yes, as long as you have the suitable zone valves to separate out the flow to the two floors.

Can someone help. Where is the reset button? A: Give support a call on They will talk you through it. Q: how do i turn off the rf programmable room stat when i go on holliday? Q: Recently purchased this thermostat. I think my unit is working the opposite way it should. When I move the set point temp below the room temp the heating comes on and when I turn it up it goes off. Can you help A: If the light on the receiver is on when the heating is off and vice versa , then the receiver is wired wrong wired to SL off instead of SL on.

Q: can I change the frost protection temperature setting from 5 degrees to 15 degrees A: It cannot be changed. Q: I have a horstmann thermostat and controller fitted to my combi boiler similar to this one. They both work fine but the display on the thermostat is faulty. Can I purchase this understand I need to purchase both items and pair the new thermostat with the existing controller wired to the boiler.

A: Yes you can. A: If you have a combi boiler, then it will normally be installed next to the boiler. If you have a traditional system with a hot water cylinder, then it will normally be in the airing cupboard. You will need to remove the cover to access the DIP switch. For the receiver you will need to switch off the electric before you do. You must make sure they are set the same.

Q: Hello, I understand that you set the temperature with this thermostat and not an on off time period. However I am confused by the 5 programme settings. Does each programme run for a specific period of time eg 1 hour? Can you advise how I should programme each of the 5 daily programmes to achieve this please.

Many thanks for your time. A: It runs until the next setting. A: Yes it does. Q: Can you please send me by email the instructions to the thermostat above T50 which I bought, as I have lost the instructions. Q: Please can you tell me if there is a manual override setting which is constant? Q: how do I know when my heater is working. Q: Could you please tell me how to change the time.

I would be very grateful. Thank you. A: Please see pages 16 and 17 of the manual downloads tab. Q: I currently have this controller installed on my boiler. The numbers temperature figures are starting to disappear, what do I do.

If I need to replace the unit can I just replace the display box on the wall or do I have to also change the box attached to the boiler. A: Try changing the batteries. Although they are only sold as pairs, you can set the new controller to work with your existing receiver. Q: Can you please tell me how to do a reset You will need a pin or similar to press it. A: You programme temperatures instead of on and offs, so you could programme for example 20C in the morning and 5C in the evening.

A: You use the frost protection mode in the Summer. Q: the last tennants have disposed the instructions! Q: Is there a way to completely disable the programmes on this thing? Mine has several times set from previous owners all I can do is edit the programmes but want to turn it off and use it just when I want to by setting the temperature.

Q: Hi, Is it possible to use 2 thermostat on 1 receiver? The receiver will listen to only one thermostat. You will need to install a second receiver.

Q: I have this product but the wireless controller is broken, if I get a replacement controller will it sync automatically?


Horstmann HRFS1 Thermostat

Description Questions? A: Yes, you can get the new transmitter to talk to the old receiver as long as they have the same model number. Q: Hi, I have set the temperature at 21 and the display is going no higher than Do I need to reset it A: Hi. Give support a call on They will do some checks. Q: Hi.


Horstmann Hrfs - 1 T50 Digital Wireless Programmable Room Thermostat

It is very easy to install and programme. The product is suitable for a system where it is run on a single zone and there are no hard wired thermostat in the building. It is just a matter of removing the existing time clock and replacing it with the receiver unit. The new timer unit can be placed wherever it is required. Although the instructions claim it will work in any room of the house my experience has been there needs to be a clear line of sight between the two units.


Horstmann T50 / HRFS1 Controller: Programming help


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