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programmer

A computer programmer, sometimes called a software developer, a programmer or more recently a coder (especially in more informal contexts), is a person who creates computer software. The term computer programmer can refer to a specialist in one area of computers or to a generalist who writes computer programs.
A programmer's most often-used computer language (e.g., Assembly, C, C++, C#, JavaScript, Lisp, Python, Java) may be prefixed to the term programmer. Some who work with web programming languages also prefix their titles with web.

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  1. A

    Danfoss tp9000 programmer

    hi could someone please tell me how a Danfoss tp9000 programmer with a remote sensor is wired to an existing s plan system?
  2. D

    Need advise on how to decommission a wired Honeywell programmer ST699

    Hi I have a Honeywell ST699 programmer which is working fine but I want to learn how to decommission it (disconnect it from the rest of the system). Currently I have a Honeywell Home Single Zone Thermostat (Y87RF2024) and I am thinking to get the Honeywell Home Mobile Access Kit RFG100 to get...
  3. Uncle Nick

    Reliable Programmer Thermostat

    Hi all, the second Salus programmer thermostat has failed on my Grant oil fired combi boiler. Reading on here, I gather Salus aren’t very highly thought of, so I won’t be replacing like for like again. So what programmer thermostats would you recommend, wired (as it’s one less thing to go...
  4. R

    Thermostat and Programmer not communicating with Boiler

    Thermostat and Programmer not communicating with Boiler. Both have been replaced. Any ideas? On the Glowworm boiler 18sxi I can use the CH controller to switch on/off the boiler, that works fine. Also upstairs i have a tank, when I switch that on I get hot water. But what else can I check...
  5. M

    Honeywell ST6400C programmer Honeywell T6360B1028 Room thermostat fix

    I have a Honeywell 7 Day Electronic 2 Channel Programmer ST6400C programmer and a Honeywell T6360B1028 Room thermostat . My programming is on the on position. I turn my thermostat off. But it turns on after 10 mins . How do I fix this?
  6. S

    CH controlled by thermostat even when programmer off

    I've just noticed that with the CH programmer either selected off or timed off, the CH can still be controlled on/off at the room thermostat. HW is controlled by the same programmer and is operating normally. System is a pumped Y plan. I take it the programmer is fubar? Anything I can do to...
  7. C

    Programmer fault/wireless stat wiring?

    Hi guys, I have a fault on a clients heating system whereby the heating will stay on regardless of what the programmer is doing on its timed function, it'll switch off at the programmer (no light) but boiler will stay on until they turn the stat down, I went and looked at it, they said they...
  8. G

    Replacement Wireless programmer Recommendations

    I have an LG air source heat pump which is controlled by an Optimum Duostat controller This has developed a mind of its own where it ignores the programming So time to swap it out Looking for recommendation for a unit thats easy enough to programme without having 5 time zones Basic time on / off...
  9. Ronjazzer

    Honeywell ST 699 Programmer Unit malfunction

    I have an ST699 control unit on my central heating system (some 15 years old) which has developed a strange fault. After running normally, when the required room temperature is reached it cuts out as usual but immediately loses electrical power, with both the time display and the red lights...
  10. suityou01

    2 Channel CH Programmer with WIFI

    I would like to ask for specific product recommendations (or examples of such) that: a) Fit a standard back plate b) Would work with an existing wired room stat (single heating zone) c) Would provide 7 day, 2 Channel programming (CH and DHW) d) Is not tied into any proprietary home automation...
  11. E

    No programmer to control radiators

    I recently moved into a new property which has a gas boiler and: (1) A hot water tank - this is controlled by a Hive timer programmer (all good); (2) Wet underfloor system on ground floor - this is controlled by Heatmiser thermostats (all good); and (3) Radiators on first floor and towel...
  12. J

    Honeywell programmer internal battery?

    Hi all, My customer has a Honeywell Home ST9500C two-zone programmer. One of these: Honeywell ST9500C 7 Day Two Zone Programmer | Programmers & Time Switches -...
  13. J

    Honeywell programmer / wireless thermostat problem

    So I've used a wireless thermostat to activate my heating since installation, but it's just stopped working (Blank screen, no new battery's fixed fixed it) The wall mounted programmer screen flash's no signal, like it's searching for the wireless thermostat, I cannot turn the heating on at all...
  14. D

    Central heating programmer and thermostat issues

    Hi, We moved into our house last year and our current central heating set up is: Boiler: Vokera Mynute HE system boiler Thermostats: 2x Robus RRF10 analogue thermstats (one in hallway and one in master bedroom) Programmer: Anaglogue Flash Immermat Timer Clock. When we came into the house...
    • David Fernandez
    • Thread
    • central heating programmer thermostat
    • Replies: 2
    • Forum: Central Heating Forum
  15. R

    Landis & Gyr RWB2 and RWB2E Heating programmer

    Hi All. My RWB2 heating controller appears to have died - cant turn off the heating circuit either by thermostat or controller So I acquired an RWB2E controller with, the bumf says, has a common baseplate. But actually the RWB2E simply does not fit into the RWB2 baseplate (or at least I cant get...
  16. J

    Boiler firing when programmer is set to off

    Please help, I'm losing my mind. Over the past week my boiler has been coming on even when the programmer is set to off. It doesn't matter if I change it to off or if it's set not to be on because of the timer. Was working as expected up to that point. I've done a factory reset on the...
  17. J

    Mid Position Valve Programmer

    I've often seen this wiring diagram for Y plan but is the cylinder stat wired correctly?, should the cylinderstat terminal1 go to the boiler+circpump, terminal2 to the MPV grey wire and terminalC to (from) the programmer "HW OFF"?. The below wiring suggests to me that with "HW Off" and with the...
  18. D

    Replaced CH programmer, but heating doesn't work

    I have got a 25 year old Potterton Profile boiler, quite basic and very reliable, on a fully pumped system. It has worked happily with a Glow-worm Mastermind RWB2 programmer, but just recently the programmer occasionally misses a switch-off. So I thought I’d replace the programmer and bought a...
  19. P

    Central Heating programmer with WiFi

    Hi all, I was wondering if someone ever heard of a system boiler programmer with WiFi. My niece lives in social housing and has gas central heating with system boiler and copper cylinder for domestic hot water also she has a room stat in her hallway and a 2ch programmer in her kitchen and she...
  20. Bogart

    Backlit programmer required

    I need a 2 channel programmer that has a backlight. I have a couple but the backlights are not particularly brilliant, from the point of brightness and text size. Can anyone recommend a decent one with a good level of illuminated display and a good sized text.
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