B08.02_Attachment 1.pdf

List of Services & Parts with Install for Main Lab Cold Boxes:

The following is a list of specific services for diagnostics, repair, and small component replacement with installation (services component estimated as a greater cost than the part) for the CSZ/Weiss Technik NA 16-WM16 Cold Boxes installed in the Main Lab Cold Rooms Complex at USA CRREL.

1. EZT-570S display interface troubleshooting and diagnostics. This includes all labor, use of test equipment, and diagnostic tools utilization necessary to determine the root cause of faults to the Windows-based EZT-570S display interface and associated unit control module equipment in a 16-WM16 Cold Box.

2. EZT-570S display interface replacement, parts and labor. This includes all labor and parts necessary to determine the root cause of faults to the Windows-based EZT-570S display interface and associated unit control module equipment, including procurement of and installation of replacement display interfaces, if necessary, in a 16-WM16 Cold Box.

3. SYS1 HI/LO PSI alarm troubleshooting and diagnostics. This includes all labor, equipment and test materials required to successfully diagnose the root cause of a SYS1 HI/LO PSI alarm on a 16-WM16 Cold Box.

4. SYS1 HI/LO PSI alarm repair. This includes all parts, labor, expendable materials and replenishment of refrigerant required to successfully repair the root cause of a SYS1

5. SYS2 HI/LO PSI alarm troubleshooting and diagnostics. This includes all labor, equipment and test materials required to successfully diagnose the root cause of a SYS2

6. SYS2 HI/LO PSI alarm repair. This includes all parts, labor, expendable materials and replenishment of refrigerant required to successfully repair the root cause of a SYS2

7. SYS1 LOW OIL PSI alarm troubleshooting and diagnostics. This includes all labor, LOW OIL PSI alarm on a 16-WM16 Cold Box.

8. SYS1 LOW OIL PSI alarm repair. This includes all parts, labor, expendable materials and replenishment of refrigerant required to successfully repair the root cause of a SYS1

9. SYS2 LOW OIL PSI alarm troubleshooting and diagnostics. This includes all labor,

10. SYS2 LOW OIL PSI alarm repair. This includes all parts, labor, expendable materials and replenishment of refrigerant required to successfully repair the root cause of a SYS2

11. SYS1 DISCHARGE TMP / SYS1 HI DISCHARGE alarm troubleshooting and diagnostics. This includes all labor, equipment and test materials required to successfully diagnose the root cause of a SYS1 DISCHARGE TMP / SYS1 HI DISCHARGE alarm on a 16-WM16 Cold Box. These are alarms related to the liquid injection solenoid, discharge safety, and related components.

12. SYS1 DISCHARGE TMP / SYS1 HI DISCHARGE alarm repair. This includes all parts, labor, expendable materials and replenishment of refrigerant required to successfully repair the root cause of a SYS1 DISCHARGE TMP / SYS1 HI DISCHARGE alarm on a 16-WM16 Cold Box.

13. SYS2 DISCHARGE TMP / SYS2 HI DISCHARGE alarm troubleshooting and diagnostics. This includes all labor, equipment and test materials required to successfully diagnose the root cause of a SYS2 DISCHARGE TMP / SYS2 HI DISCHARGE alarm on a 16-WM16 Cold Box. These are alarms related to the liquid injection solenoid, discharge safety, and related components.

14. SYS2 DISCHARGE TMP / SYS2 HI DISCHARGE alarm repair. This includes all parts, labor, expendable materials and replenishment of refrigerant required to successfully repair the root cause of a SYS2 DISCHARGE TMP / SYS2 HI DISCHARGE alarm on a 16-WM16 Cold Box.

15. SYS1 COMP MONITOR alarm troubleshooting and diagnostics. This includes all labor, COMP MONITOR alarm on a 16-WM16 Cold Box. This alarm is related to the compressor protection module trip including fusing and contactor and could be caused by any kind of electrical or mechanical fault on the compressor.

16. SYS1 COMP MONITOR alarm repair. This includes all parts, labor, expendable materials and replenishment of refrigerant required to successfully repair the root cause of a SYS1 COMP MONITOR alarm on a 16-WM16 Cold Box, up to and including replacement of the compressor protect module, fusing, contactors, or the unit SYS1 compressor.

17. SYS2 COMP MONITOR alarm troubleshooting and diagnostics. This includes all labor, COMP MONITOR alarm on a 16-WM16 Cold Box. This alarm is related to the compressor protection module trip including fusing and contactor and could be caused by any kind of electrical or mechanical fault on the compressor.

18. SYS2 COMP MONITOR alarm repair. This includes all parts, labor, expendable materials and replenishment of refrigerant required to successfully repair the root cause of a SYS2 COMP MONITOR alarm on a 16-WM16 Cold Box, up to and including replacement of the compressor protect module, fusing, contactors, or the unit SYS1 compressor.

19. Liquid Line Drier troubleshooting and diagnostics. This includes all labor, parts, equipment and test materials required to successfully diagnose the root cause of liquid line drier failures in the high and low side refrigeration systems of a 16-WM16 box, including failures requiring replacement before the end of the expected service life for the part, and failures which cause the cold box to fault or cease nominal function.

20. Liquid Line Drier repair and replacement. This includes all parts and labor necessary to repair root cause issues identified by Liquid Line Drier failures, Cold Box failures localized to the Liquid Line Driers, and root cause issues manifesting through Liquid Line Drier failures, both acute failures and reduced maintenance/component replacement intervals. Repair and replacement includes optional system modifications with valves and bypass elements to allow liquid line driers to be replaced without shutting the cold box down in the future.

21. Valve failure troubleshooting and diagnostics. This includes all labor, parts, equipment and test materials required to successfully diagnose the root cause of failures in all refrigeration system one and two (high and low stage systems) valves, including but not limited to, thermostatic expansion valves, solenoid valves, transfer valves and dump valves, on 16-WM16 Cold Boxes.

22. Valve failure repairs. This includes all parts, labor, expendable materials and replenishment of refrigerant required to repair failures in all refrigeration system one and two (high and low stage systems) valves, including but not limited to, thermostatic expansion valves, solenoid valves, transfer valves and dump valves, on 16-WM16 Cold Boxes, to include the procurement of replacement valves if necessary.

23. Condenser related intermittent operational problem diagnostics. This includes labor, parts, equipment and test materials required to successfully diagnose the root cause of condenser related intermittent operational problems, such as, but not limited to, low system pressure or liquid slugs related to excess condenser capacity in winter on the 16- WM16 Cold Boxes.

24. Condenser related intermittent operational problem repairs/system modifications. This includes labor, parts, equipment and test materials required to modify refrigeration and controls systems, including electrical components such as condenser fan motors and condenser fan controllers, to improve operation and eliminate intermittent performance issues related to the existing condenser configuration on the 16-WM16 Cold Boxes. For example, but not limited to, modifications to the fan controllers to guarantee normal component longevity while operating with the fans in a lead-lag configuration or with one fan fully deactivated in winter.

25. Elimination of extraneous dehumidification and supply make-up air system components.

This item comprises the complete elimination of extraneous dehumidification and supply make-up air system components which were installed as part of a failed humidity control and supply make-up air system. These components cause excessive heat in the control boxes and have caused extraneous system faults. This work item includes all effort required to determine extraneous system components, remove them, and reprogram the controls to operate normally without them, to obtain trouble-free, more efficient operation without extraneous error codes linked to this abandoned system on the 16- WM16 Cold Boxes.

26. Evaporator troubleshooting and diagnostics. This includes all labor, parts, equipment and test materials required to successfully diagnose the root cause of evaporator failures on a 16-WM16 box, including but not limited to failures of the defrost system to successfully defrost the coils, failures of the defrost system to successfully defrost the drain pain, failure of fans to operate normally, and failure of sequencing of defrost and sequencing of evaporator operations.

27. Evaporator Repairs and Replacement. This includes all parts except new evaporators and new evaporator fan motors, labor, expendable materials and replenishment of refrigerant required to repair evaporator failures on a 16-WM16 box, including but not limited to failures of the defrost system to successfully defrost the coils, failures of the defrost system to successfully defrost the drain pain, failure of fans to operate normally, and failure of sequencing of defrost and sequencing of evaporator operations. New evaporators and new evaporator fan motors shall be supplied from existing stocks of GFE currently held by CRREL if required to complete repair and replacement work under this line item.

28. Electrical panel and system diagnostics. Diagnostics of failures and troubleshooting issues in the electrical panels, relays, and controls of a 16-WM16 cold box, including failures of panels, safety switches and interlocks, relays, transformers, and other related electrical systems to identify the root cause of failure.

29. Electrical panel and system repair. This item includes repair of failed system components on refrigeration electrical systems up to 480V including replacement of panels, safety switches and interlocks, relays, transformers, and other related electrical systems both on a 16-WM16 Cold Box and on the attached roof-mounted condensing unit, as identified through failure diagnostics or specified by the Government.

30. Roof Mounted Condensing Unit Repair-by-Replacement. This includes the complete replacement of the roof mounted condensing unit of a 16-WM16 Cold Box should failures make complete replacement more advantageous to the Government, including condenser, evaporator, electrical box, all controls, piping, insulation, condensing fans, and frame.

31. 16-WM16 Refrigeration System Repair by Replacement. Installation of a completely new refrigeration system including electrical, controls, condensing unit with compressor, and evaporator, including all new piping and insulation, to address failures in the refrigeration system which are most economically repaired by complete replacement. This may include small changes in the specifications to reflect current research use and observed problems with the past systems to improve future performance, while still remaining fully compatible with the existing installed RDTE Cold Box.