Fig. 29
5. Lay the input cable in the cut out in the relay PCB housing and refit the cover and screws.
6. Ensure that the input cable has sufficient slack to allow the control box to drop down.
Tighten the cable clamp on the boiler chassis.
8.11 Preliminary Electrical Checks
1. Prior to commissioning the boiler preliminary electrical system checks should be carried
out.
2. These should be performed using a suitable meter, and include checks for Ground
Continuity, Resistance to Ground, Short Circuit and Polarity.
Page 25