CHART Trifecta Pro Series, Product Manual

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13 Installation Product Manual - Trifecta
®
Pro Series
Purge and Pre-Charge of the Trifecta Pro Series
Cont.
• Crack both of the 1/4” Swagelok
®
nuts on the bottom of
the two Wika liquid level gauges (Ll-1) until you can hear
nitrogen gas flowing. Purge through both the high and
low phase connections on both LL gauges for 10 to 15
seconds
• Ensure that each 1/4” nut is tightened back up after
purging
• Open the purge valves on the safety circuit
• Cycle the diverter valve (DIV-1) to purge out of both
purge valves (V-4) (Do this for tank 1 and tank 2)
• Open both manual vent valves located below the control
box (V-1)
• Purge for one minute
• Close the manual vents (V-1)
• At any time during the purging process, if the pressure
gets down to 20 PSI, stop purging and open the liquid line
on the bulk tank to let the Trifecta equalize with the bulk
tank again
Note: Remember to shut the liquid line on the
bulk tank before resuming purging.
• Close the PB Isolation valve on the bottom of tank 1 and
tank 2 (V-3)
• Close VENT/PB Isolation valve on the top of tank 1 and
tank 2 (V-6)
• Remove 1/2” plug out of the cross on the upstream side
of the 1” P B Magnatrol solenoid valve (SOL-3) on both
tank 1 and tank 2 (See Note 1)
Purge Valves
Diverter Valve
Manual Vent Valves
Plug