2020 Tech Report Jan-Feb

Task # 2.c.: Cleaning a Strainer in an Alternate Control Group Configuration: No Drain Valves

ACTION

COMMENT

30.

When service / maintenance is complete, return the strainer control group to nor- mal operation by performing Task # 3.c. “Returning an Alternate Configuration Control Group to Normal Operation.”

See Task # 3.c. of this Maintenance Proce- dure.

Task # 3.a.: Returning a Configuration “A” Control Group to Normal Operation

ACTION

COMMENT

1.

Depending upon the conditions which required shutdown, the following permits may require completion before setting up the control group for startup. Pre-Startup Safety Review Form Pre-Charging Checklist Hot Work Permits Management of Change Form

The facility’s Ammonia Refrigeration Compli- ance Program, your supervisor or your facility contact may be able to supply additional infor- mation on these forms and programs. Perform a Pre-Startup Safety Review before removing Lockout / Tagout equipment. In ad- dition, pressure tests may be required if modi- fications have been made requiring tests. If you have any questions, consult your facility contact. Based upon the maintenance that may have been performed while this unit was shut down, portions of this procedure may not be required, provided the unit has remained under the con- trol of the Refrigeration Operator / Technician. Any items which may have been adjusted or modified must be reviewed during setup. If the unit has not remained under the control of the Refrigeration Operator / Technician, the com- plete setup procedure must be utilized. If you have any questions, consult your supervisor or facility contact.

RETA TECHNICAL REPORT PAGE 18