Cryomech PT415, Installation, Operation And Routine Maintenance Manual

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Operation
7-11
“Compressor Motor Current
Too Low!” YES < 5A ≥ 5 A
“You have had 6 errors in less
than an hour: MM:SS” no >6 errors (lock out
contributors) in <1 hour 30 minute delay,
manual restart
“3 Phase Power Improperly
Wired!” no Phase sequence
incorrect
Phase sequence
correct
"Power Supply Error!" no Power supply fault Power supply non-
fault
Warning Description Trip / Clear
"High Pressure Running High!" 375 PSIG (25.9bar)
"High Pressure Running Low!" 170 PSIG (11.7bar)
“Low Pressure Running Low!” 50 PSIG (3.4 bar)
“Low Pressure Running High!" 240 PSIG (16.5 bar)
"Delta Pressure Running High!" 290 PSIG (20.0bar)
"Delta Pressure Running Low!" 75 PSIG (5.2 bar)
"Static Pressure Running High!" 280 PSIG (19.3 bar)
"Static Pressure Running Low!" 170 PSIG (11.7 bar)
"Water In Temp Running High" 85°F (29°C)
"Water In Temp Running Low" 45°F (7°C)
“Water Out Temp Running High!” 110°F (43°C)
"Water Out Temp Running Low" 45°F (7°C)
“Helium Temp Running High!” 170°F (77°C)
“Helium Temp Running Low!" 45°F (7°C)
“Oil Temp Running High!” 120°F (49°C)
“Oil Temp Running Low!" 45°F (7°C)
7.8 Contact Cryomech with Questions
It is hoped that the Operations Section of this manual has helped you to obtain
satisfactory results in the use of your cryorefrigerator. While the information offered
should facilitate set up and operation, you may have a special situation that requires
further considerations. If after reading the Operations Section, you still have questions,
contact Cryomech for further information.
7.8.1 Contact Information
Cryomech, Inc.
113 Falso Drive