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Wiring Diagram for DC Door Entry Systems 500D Flats Telephone Models: 500D 500PD Second Phone System Door Panel First Phone Electrical Cupboard Speech Unit 51/61 M340 Power Supply 13:44 TS2000 Time Clock 203, 204 More diagrams can be Lock Release...
Installation of Door Entry Systems Important Safety Information Power Supply Unit must be placed in a protected indoor environment such as an electrical cupboard, close to a 240V AC electrical supply and located no further than 50 metres from the entrance panel. It must be wall-mounted onto plasterboard, wood or a similar non-conductive material.