RS COMPACT FREEZE TUNNEL, Руководство по эксплуатации и обслуживанию

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OPERATION & MAINTENANCE MANUAL
CompactFreezer
21
6.1. PRE ‐ STARTUP CHECKLIST
1. Verify that all packaging material and tools have been removed from the freezer (inside and
outside).
2. Verify that all electrical, LN
2
and exhaust connections have been made according to the
guidelines provided in Section 5 ‐ Auxiliary Connections .
3. Verify that the LN
2
throttling valve (HV‐201) is open about halfway.
4. Ensure all of the apparatus box covers are closed and screws are tightened.
5. Clear conveyor belt of all loose tools and parts and check for proper tension and potential jams.
6. Close and latch the module doors and exhaust trough doors.
7. Ensure the vestibule covers are in place.
8. Ensure all of the buttons on the main control panel are OFF .
9. With the main disconnect in the OFF position, use a multi meter to check that the proper
voltages and amperage is supplied to the control panel.
10. Open the main shut‐off valve at the LN
2
‐supply at the storage tank.
11. Purge all supply lines to remove loose debris.
12. If necessary, close the main shut‐off valve at the LN
2
‐supply at the storage tank to clean the
strainers. Follow maintenance procedures as applicable.
6.2. INITIAL START ‐ UP
1. Clean the Cabinet Freezer thoroughly, prior to the initial start‐up. Refer to Section 8: Cleaning
for detailed information. Normally, the Cabinet Freezer doors are left in the open position after
cleaning, to continue drying overnight.
2. Turn the main disconnect switch into the ON position.
3. Check that all of the door limit switches are working properly. Limit switches are wired normally
open (NO) so fans should only energize if the doors are closed.