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timeclock

C
Twin Immersion Thermostats

Hi again, I tend not to get involved with heating systems, but I have just been on a site where they have had a new Hot water tank installed with 2x immersion thermostat heaters in the tank, each of these is rated at 3Kw. Each has a separate feed with its own spur. There is no economy 7 or...
- chloebear
- Thread
- Jul 12, 2009
- aus control immersion termostat thermostats these timeclock timers twin water
- Replies: 5
- Forum: Australia
E
Timeclock Tripping RCD

I have a 6A C Type RCBO feeding a Horstmann 20A Timeclock and the switched-line operating AC1 on a 4P 24A contactor (NO). There are three lighting circuits going into the contactor, all fed from individual 6A B Type MCBs (on the RCD side of the DB). Why should the RCD sometimes trip when the...
- earthboy
- Thread
- Oct 2, 2008
- circuits contactor lighting rcd switch timeclock tripping tripping rcd
- Replies: 5
- Forum: Talk Electrician Forum

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