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CYGHPG-User-Manual-v2
4 APPENdICES
4.1 Connecting To A Fuel Generator For Automatic Stop/Start
Auxiliary connections are provided which allow the automatic control of a fuel
powered generator. These allow Cygnus HPG to control the start up and shut
down of the attached generator under pre-programmed conditions using the
RCC-03.
4.1.1 Control Panel Auxiliary Connections
Two auxiliary connectors are provided on Cygnus HPG’s main control panel. See
"Fig. 1 - Control Panel" on page 10
, item 4. Aux. 1 is programmed to allow
control of a secondary power source such as a biofuel generator.
An auxiliary connecting cable is available from the manufacturer as an accessory.
Only the yellow, green & red connections are used as follows:
Wire Colour
Connection
Red
Normally Closed
Yellow
Common
Green
Normally Open
Blue
Not Used
4.1.2 Bus Bar Auxiliary Connection
Screw terminal connections are also provided behind the rubber flap at the
bottom left of the main control panel door. These are alternative connections
for the same two auxiliary channels as the control panel mounted connectors.
Terminal Number
Connection
1
Aux. 1 Normally Closed
2
Aux. 1 Common
3
Aux. 1 Normally Open
4
Aux. 2 Normally Closed
5
Aux. 2 Common
6
Aux. 2 Normally Open
Fig. 9 -
Auxiliary Bus Bar
W A r N I N G
When using Cygnus HPG with
a fuel powered generator, do
not connect the Cygnus HPG
generator’s earth. The earth
from the fuel powered
generator is passed through to
Cygnus HPG.