Cryomech LNP-40, Инструкция по установке, эксплуатации и текущему обслуживанию

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Routine Maintenance
8-9
8.10.2 Electrical protection device (option)
1) Open the enclosure door to visually inspect the fuse covers. Do not place anything
inside the enclosure.
WARNING
Do not attempt to replace the fuses or place anything inside the enclosure until the
power to the electrical protection device has been disconnected. Serious injury or
death may occur.
2) Identify the blown fuse by the indicator light on the fuse cover. If the fuse is blown,
the indicator light will be illuminated.
3) Turn off the circuit breaker located on the front panel of the helium compressor.
4) Disconnect the input power to the electrical protection device by removing its power
cord from the receptacle located on the front panel of the helium compressor.
WARNING
Failure to disconnect the power to the electrical protection device before attempting
to replace the fuses may result in serious injury or death.
5) To remove the fuse cover, grasp it in the center and pull it straight back.
6) Remove the fuse from the fuse holder and replace it with a fuse equivalent in style
and amperage rating. Spare fuses are shipped with the system inside the enclosure.
7) Replace the fuse cover.
8) Close and latch the enclosure door.
9) Attach the electrical protection device power cord to the receptacle on the helium
compressor.
10) Turn on the helium compressor’s circuit breaker.
11) LNP-10 and LNP-20 ONLY - Both the yellow and green indicator lights on the
enclosure should be illuminated.
Qualified service personnel only should replace the fuses.
8.11 Manufacturer only parts
The following parts are available only from Cryomech:
Helium flex lines
The helium flex lines must be handled with care. If they become damaged and need to be
replaced, new ones must be obtained from Cryomech and installed using the directions in
the installation section of this manual.
Adsorber
CP900 Series Compressors - the adsorber needs to be replaced after every 20,000
hours of use.
CP800 Series Compressors - the adsorber needs to be replaced after every 15,000
hours of use.