Print Date 08/04/14 Page 14 of 34 S79005-00MA-05
2.2 EXTERNAL CONECTIONS
2.2.1 Mains Supply Connector (-01, -02, -03, -04 single mains supply variants)
This is a 6 Way plug at the rear of the Supply Disconnector section, CON02. The supply must be
single phase, 90V to 260V AC, 47 - 63Hz.
The maximum current drawn from the supply is in the order of 4A at 230V AC increasing to about 8A
at 115V AC.
! CAUTION !
The mains supply lead to the Transmitter must consist of three core (P+N+protective earth) insulated
cable.
Each core must be at least 2.5mm
2
and the overall cable armoured (type SY flexible steel
armoured cable preferred)
and not mounted in a conduit with other supply cables
.
A double pole,
10A (C rated for –01 and –03 variants, D rated for –02 and –04 variants) MCB must be provided
at the supply distribution board to protect both leads and Transmitter supply input circuitry.
Also, since the supply input circuitry contains filters, which pass current to the Transmitter chassis,
the
Transmitter chassis must be connected to a safety ground
.
Also ensure whilst making any connections to the mains supply, that the Transmitter’s front
panel Supply Disconnector is switched to ‘OFF’ to prevent inadvertent operation of the
Transmitter.
The lead terminates in 6 Way 16A/440V free socket at the Transmitter end, which is wired as follows :-
Pin 1
Line
Pin 2
Neutral
Pin 3
Prot. Earth
Earthing Pin
Prot. Earth
The armouring of the cable should also be taken to ground at the supply distribution board.
The free connector should be fitted with a top entry hood.
An earthing bolt is provided adjacent to the mains supply input connector to allow the Transmitter
chassis to be permanently bonded to nearby safety ground directly or via rack metalwork.
