GAI-Tronics PHP400 Instalasi dan Panduan Pengguna - Halaman 10
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Connections
5.
Connections between Front and Rear Sections
5.1.
DC Power connections
5.2.
Connect mains power to the terminal block as shown on the
connection label. See drawing on previous page.
The mains supply must be provided by a 2 pole disconnection
device with a minimum contact clearance of 3mm.
The fuse must always be replaced by the correct type, ie
1A(T) HRC ceramic (20x5mm).
Earth connections
5.3.
This equipment must be earthed
Important - during maintenance only disconnect the earth
after the disconnection of all other components
The front and rear sections are connected together with an
earth cable. Always ensure this cable is connected
before putting the unit into service. The stack up of
fixing nuts and washers on the earth stud in the rear
section is important - ensure that fixings are in the
sequence shown:
PHP400 GSM Help Point.
To front case
Stack up of
fixings on rear
case earth stud
To terminal
block
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