This candidate book provides all the theory needed for the new technical certificate and the NVQ at that level. The visual step-by-step style guides candidates of all abilities and keeps them motivated throughout. Examples are used to explain technical terms and theory.Ensure earth continuity throughout Figure 9.01 Wiring diagram for timer and programming domestic system When the clock part of the programmer switches on to, say, central ... Fully pumped system Two 2-port zone valves with aux. sw.
|Title||:||Electrical Installations Level 3 2330 Tech Certificate and 2356 NVQ|
|Author||:||Nigel Harman, Dave Allen, John Blaus|
|Publisher||:||Pearson Education Ltd - 2008-06-01|