CHART TRIFECTA 2K, Service Manual

Page: 17 / 33

Trifecta 2K
Variable Default Value Minimum Maximum
Operating Pressure 425 psig (29.3 bar) 20 psig (1.4 bar) 450 psig (31 bar)
Tank Choice 200L 200L 450L
Bulk Tank Critical 150 psig (10.3 bar) 35 psig (2.4 bar) 245 psig (16.9 bar)
Over Pressure 480 psig (33.1 bar) Operating Pr22 psig 490 psig (33.8 bar)
(+1.5 bar)
PLC C
ONTROLLER
I
NTERFACE
The T
RIFECTA
system is controlled by a Programmable Logic Controller (PLC) that has a
keypad interface. The software in the controller allows you to set up the system for your
particular needs. It is anticipated that this will be used upon initial start-up, and not much after that,
but it is available at any time. The controller allows you to configure the following parameters:
✧
Operating Pressure - This pressure is the low pressure that will cause the pressure
builder to start. The pressure builder will come on when the Laser-Cyl reaches this
pressure and build pressure up to 20 psig (1.4 bar) above the operating pressure.
✧
Tank Choice - This should be set to indicate if your system is using Laser-Cyl 450L or
Laser-Cyl 200L.
✧
Bulk Tank Critical - At the start of the filling process, the Laser-Cyl will vent its gas into
the bulk tank to conserve product if the pressure in the bulk tank is less than this value.
If the pressure in the bulk tank is greater than this value, it will vent to atmosphere. This
also applies to the over pressure condition.
✧
Over Pressure - If the pressure in the Laser-Cyl is above this value, it will vent product
either to the bulk tank or to the atmosphere (according to Bulk Tank Critical). This is
intended for safety purposes and to reduce the risk of relief valves opening.
These values have pre-programmed minimums and maximums. The following table shows
the respective minimum, maximum and default value for each of the variables.
T
ABLE
1 - Configurable Values
Changing Parameters
✦
When entering the Set-up Menu, the system will shut down and all
valves will close. This should only be done in a time of service such that
the end use is not immediately dependent on gas flow. Product will start
being delivered upon exiting the Set-up Menu.
13