Guardian SCC 25, Manual

Page: 5 / 79

Page 5
GUARDIAN SCC-40 Issue (Auto VI) & V3.6t 07/12/00
BUTTON OPERATION SHORTHAND
To assist in easy set-up of control setpoints, delays, timers and other configuration settings,
the sequence of button presses and subsequent displays will be shown in this handbook as
below:
ii)
A button symbol, followed by text means press that button.
“
@
accept
”
iii)
A double button, followed by text means press that button repeatedly.
“
@:@
raise
”
iv)
A display box with the window above it shows the result of the last button press on
the display.
DISCHARGE FILTER
==== 2.0b
“
@:@
raise
”
DISCHARGE FILTER
==== 2.5b
v) DISCHARGE FILTER DISCHARGE FILTER
H.P. ==== trip ====
Means the display alternately flashes between identifier and trip message
HARDWARE CONFIGURATION CHECKS
Prior to switching on the GUARDIAN controller check that the hardware unit is the correct
type for the incoming mains voltage.
When satisfied that the correct type of controller is available then the following checks should
be made prior to controller installation or replacement
a) Ensure mains supply is wired correctly to the appropriate TERMINAL WIRING drawing for
the model selected.
b)
Ensure that any transducer selector switches specified on the TERMINAL WIRING
diagram are in the correct state.
c)
Ensure any shorting link selector pins specified on the TERMINAL WIRING diagram are
correctly fitted.
d)
Ensure that probes are wired to the terminal WIRING DIAGRAM and the correct type of
thermistor or pressure transducer probes are fitted.
e)
The RS485 highway connections (if required) are wired to the correct terminals and the
screen drain wire is continuous to earth.