I seem to have a problem with my external thermostat (Drayton RTS 1 connected to a Potterton Puma 80).
The thermostat no longer clicks on or off whatever the setting (relay gone?) - so I replaced it with another RTS 1 unit, but same problem.
So either I'm really unlucky and the replacement is also faulty, or the wiring/power to the thermostat has failed (presumably the 240V is wired from the boiler)?
The boiler itself seems fine - hot water still ok, pump ok.
But is there a way to just override the external thermostat? Seems daft I can't just turn heating on at the boiler, but 'constant' seems to be overridden by the thermostat. Can't see any obvious switch on the boiler even with the cover off?
Thanks.
The thermostat no longer clicks on or off whatever the setting (relay gone?) - so I replaced it with another RTS 1 unit, but same problem.
So either I'm really unlucky and the replacement is also faulty, or the wiring/power to the thermostat has failed (presumably the 240V is wired from the boiler)?
The boiler itself seems fine - hot water still ok, pump ok.
But is there a way to just override the external thermostat? Seems daft I can't just turn heating on at the boiler, but 'constant' seems to be overridden by the thermostat. Can't see any obvious switch on the boiler even with the cover off?
Thanks.
