CHART Trifecta Pro Series, Product Manual

Page: 19 / 62

15 Installation Product Manual - Trifecta
®
Pro Series
Purge and Pre-Charge of the Trifecta Pro Series
Cont.
• Leak check all pressurized lines
• If you have a courtesy valve downstream of the process
vaporizer, open it in order to purge the vaporizer(s).
• If you do not have a courtesy valve, you can close the
use valve and remove a safety downstream of the process
vaporizer Then slowly open the use valve (V-2) and
purge through the vaporizer(s)
• While you’re purging out the use valve(V-2) open the
vent to bulk solenoid valves and the vent to atmosphere
solenoid valve on the Manual Control Screen (Fig. 3), in
order to purge through the auto vent plumbing circuits
• Close the use valve (V-2)
• Open the liquid line on the bulk tank and let it equalize
with the Trifecta Pro Series
• Turn the switch on the front of the control box to run
Figure 3 - Manual Control Screen
• From the Manual Control Screen, put the unit into Auto
by pressing the Auto Button (See Fig 3) Both tanks
should now begin to fill and pressurize.
• Once both tanks are filled and pressured up, allow all
lines to thaw
• Leak check entire system at operating pressure
• Slowly open the use valve (V-2) to pressure up the
process vaporizer and house lines
• Leak check the house lines at operating pressure
Check Trifecta Pro Series Cylinder Relief
Valves
Check each cylinder’s main relief valves. During operation,
the pressure in tank one and/or two will rise to approximately
450 psi (550 psig for the 600 psi Trifecta series) The relief
valve must not open. If it does, the valve should be replaced
as it is opening at a pressure that is too low Repeat same
procedure on tank two Open diverter valve for each cylinder
to verify secondary set of safety devices