Digiguard H.264 Digital video recorder -4/8/16 channel models Instrukcje Operacyjne Pobierz pdf (Strona 132)

MAN0443.P65 Issue 13 Aug 04 5701 Control System

05701-M-5001 A02279

CHAPTER 4 - INSTALLATION INSTRUCTIONS

4 - 69

17. AC TO DC POWER SUPPLY UNIT CONNECTIONS

WARNING

The AC to DC Power Supply Unit must be earthed.

The input supply to the AC to DC Power Supply Unit may be:

a. an ac supply of 85V to 264V at 47Hz to 440Hz.

b. a dc supply of 110V to 340V (Refer to Zellweger Analytics for

information on dc supplies).

The supply must be fused at 6A maximum at the supply source. eg. At

the distribution panel. Where additional cabling is used this must be

mains rated for a minimum of 6A.

Two cables emerge from the rear of the AC to DC Power Supply Unit:

a. AC Input

The ac supply cable connections are colour coded BROWN - LIVE,

BLUE - NEUTRAL and YELLOW/GREEN - EARTH. If necessary,

these wires should be connected to the ac supply via a suitable

intermediate mains rated terminal block.

b. DC Output

The dc output cable connections are colour coded RED - +24V and

BLACK - 0V. These should be connected to the appropriate DC

Input Card terminals.

It is recommended that the AC to DC Power Supply Unit is connected

to the system earth using the earth stud provided at the rear of the unit.

For additional electrical safety a Residual Current Device (RCD) type

circuit breaker should be used at the supply source.

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Digiguard H.264 Digital video recorder -4/8/16 channel models Instrukcje Operacyjne Strona 132