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    Sundial wiring centre/Tempus 7 issue

    System: Boiler Worcester Danesmore 15/19, Honeywell 2 wire tank stat, Honeywell DT90 roomstat, Drayton Tempus 7 controller And Honeywell sundial wiring centre. It's wired C Plan ( gravity HW with 2 port valve, pumped CH) Problem: I guess the issue is either the programmer wiring or the valve...
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    Honeywell DT90 and sundial wiring centre

    I know this is a variation on a well worn theme so apologies in advance. I need to wire in a Honeywell Dt90e thermostat which is a 2 wire thermostat but the sundial wiring centre has 4 connections numbered 1 to 3 and earth so not sure which ones to connect to. The system is C plan gravity HW...
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    Danfoss102 to Tempus 7 no independant CH

    I've just replaced a Danfoss 102 with a Tempus 7 to get more programming flexibility and lo and behold I cannot get Ch independantly of HW. Whilst this isn't the end of the world (its what we had with the Danfoss) It would be nice to use CH onits own. I seem to recall having this problem with...
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