Preventive Maintenance Checklist: GROUND SOURCE HEAT PUMP (MULTISTACK) - Semi-Annual

• Site conducted

• Conducted on

  Date

• Prepared by

• Location

• Work Order Number

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

• Mechanic's tool set

  Yes

  No

  N/A

• Rags and cleaning materials

  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

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

  Yes

  No

  N/A

• Check the unit for faults

  Yes

  No

  N/A

• Check for excessive vibration

  Yes

  No

  N/A

• Perform a visual check for mechanical damage

  Yes

  No

  N/A

• Clean condenser filter strainers

  Yes

  No

  N/A

• Perform a visual leak check of the chiller

  Yes

  No

  N/A

• Check compressor oil level

  Yes

  No

  N/A

• Check condenser water treatment readings

  Yes

  No

  N/A

• Check water side pressure drop across chiller

  Yes

  No

  N/A

• Check temperature drop across head exchangers

  Yes

  No

  N/A

• Remove debris and broom clean chiller area

  Yes

  No

  N/A

Maintenance Hours

• How much time was spent on this work order?