Page 3
WARNING:
MAXIMUM CURRENT 30 AMPS OR THE RATING OF THE MAINS CABLE,
WHICHEVER IS THE LOWEST.
The maximum power rating can be increased by using an external contactor
controlled from the GA904. In this case the maximum power rating will be
the contactor power rating.
Items Supplied
The following components are supplied with GA904:
a) Control box – White box marked GA904.
b) Orange beacon warning light.
c) Microphone complete with 10 metres of cable to connect to the control
box.
d) Two plastic seals for security (fixed to hinged door when the instrument is
calibrated).
e) 2 keys for the Manual/Auto/Override switch.
(
NB
Two keys are supplied
by Castle Group Ltd with each switch. Duplicates are not kept by or available
from Castle Group Ltd.)
f) Microphone mounting clip.
g) Padlock (for added security).
(
NB
Two keys are supplied by Castle Group
Ltd with each padlock. Duplicates are not kept by or available from Castle
Group Ltd.)
Additional Items Required
a) Mains cable to divert the power supply to the control box and from the
control box to the stage.
b) Light duty twin cable (12 volt/200mA for the signal to the beacon)
Mounting the GA904
The white control box can be mounted at any convenient point using screws
in the holes provided. See figure 3.1.
It should be borne in mind that:
a) The microphone cable run to the control box should be as short as
possible.
b) Reduce expensive mains power cable runs by inserting the control box with
the shortest possible diversion of stage power.
