Preventive Maintenance Checklist: AIR COOLED CHILLER (AIRSTACK) - Monthly

• Site conducted

• Conducted on

  Date

• Prepared by

• Location

• Work Order Number

(T)ools, (S)afety Equipment and (M)aterials

• Mechanic's tool set. Refrigeration tools

  Yes

  No

  N/A

• Rags and cleaning materials

  Yes

  No

  N/A

• Refrigerant leak tester

  Yes

  No

  N/A

• Replacement lamps

  Yes

  No

  N/A

• Ladder

  Yes

  No

  N/A

• Personal protective equipment (PPE) for handling refrigerants

  Yes

  No

  N/A

• Rags

  Yes

  No

  N/A

Safety Guidelines

• Schedule work with operating personnel

  Yes

  No

  N/A

• Follow site safety rules for lockout and tagout

  Yes

  No

  N/A

• Be very careful when climbing roof access ladders

  Yes

  No

  N/A

• Review and follow the manufacturer’s instructions

  Yes

  No

  N/A

• Follow safety and environmental rules for refrigerants

  Yes

  No

  N/A

• Don't vent refrigerants. Refrigerants must be recovered

  Yes

  No

  N/A

• Submit a work order if refrigerants need to be added

  Yes

  No

  N/A

• Report any problems you find

  Yes

  No

  N/A

• Record the results in the maintenance log

  Yes

  No

  N/A

Maintenance Procedures -Equip ID # 734 Chiller-

• Review the Airstack Chiller daily log sheet. Perform trending and assess any needed corrective action

  Yes

  No

  N/A

• Visually check power connections

  Yes

  No

  N/A

• Visually check control power connections

  Yes

  No

  N/A

• Perform a visual check for oil or leaks

  Yes

  No

  N/A

• Check system refrigerant sight glass for leaks or moisture

  Yes

  No

  N/A

• Manually switch hydronic pumps from 1 to 2 or from 2 to 1

  Yes

  No

  N/A

• Switch lead or lag switch on pumps

  Yes

  No

  N/A

• Perform a visual check for system water leaks

  Yes

  No

  N/A

Maintenance Hours

• Estimated time spent on Work order

Maintenance Procedures -Equip ID # 488 (Module 1)-

• Review the Airstack chiller daily log sheet. Perform trending and assess any needed corrective action

  Yes

  No

  N/A

• Visually check power connections

  Yes

  No

  N/A

• Visually check control power connections

  Yes

  No

  N/A

• Perform a visual check for oil or leaks

  Yes

  No

  N/A

• Check system refrigerant sight glass for leaks or moisture

  Yes

  No

  N/A

• Manually switch hydronic pumps from 1 to 2 or from 2 to 1

  Yes

  No

  N/A

• Switch lead or lag switch on pumps

  Yes

  No

  N/A

• Perform a visual check for system water leaks

  Yes

  No

  N/A

Maintenance Hours

• Estimated time spent on work order