Title Page

  • Site conducted

  • Conducted on

  • Prepared by

  • Location

  • Work Order Number

Untitled Page

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

  • Mechanic's tool set. Refrigeration tools.

  • Rags and cleaning materials

  • Refrigerant leak tester

  • Replacement lamps

  • Ladder

  • Personal protective equipment (PPE) for handling refrigerants

  • Rags

Safety Guidelines

  • Schedule work with operating personnel

  • Follow site safety rules for lockout and tagout

  • Be very careful when climbing roof access ladders

  • Review and follow the manufacturer’s instructions

  • Follow safety and environmental rules for refrigerants

  • Don't vent refrigerants. Refrigerants must be recovered

  • Submit a work order if refrigerants need to be added

  • Report any problems you find

  • Record the results in the maintenance log

Maintenance Procedures

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

  • Visually check power connections

  • Visually check control power connections

  • Visually check contactors and relays for damage and evidence of overheating

  • Dry clean all electrical compartments

  • Check sensors, within 2% of actual temperatures or pressures

  • Visually check the panel breaker, power wire and EG transfer

  • Check crankcase heaters for proper operation

  • Check and cycle Free Cool operating controls if equipped

  • Perform a visual check for oil or leaks

  • Visually check brazed joints and condenser for oil or leaks

  • Visually check refrigerant safety relief valve for oil or leaks

  • Check operation of liquid line solenoid valves

  • Check and record ambient temperatures, water temperature, refrigerant superheat and subcooling

  • Check pressure transducers and high-low pressure switches

  • Inspect and tighten schraeder cores and caps

  • Check system refrigerant sight glass for leaks or moisture

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

  • Check all water side valves for proper position

  • Clean basket strainers, switch strainer valve position

  • Switch lead/lag switch on pumps

  • Check pump motor end bells for debris

  • Check pump seals for leakage

  • Power wash the inside of the pump cabinet

  • Power wash all outer surfaces with suitable cleaner

  • Water hose rinse all outer surfaces

  • Clean condenser coils with fresh water

  • Check insulation surfaces for integrity, condensate leaks

  • Perform a visual check for system water leaks

  • Check condenser fan shrouds, mounting and blades

  • Check fan hub clearance to motor

  • Remove debris and broom clean chiller area

Maintenance Hours

  • Estimated time spent on work order?

The templates available in our Public Library have been created by our customers and employees to help get you started using SafetyCulture's solutions. The templates are intended to be used as hypothetical examples only and should not be used as a substitute for professional advice. You should seek your own professional advice to determine if the use of a template is permissible in your workplace or jurisdiction. You should independently determine whether the template is suitable for your circumstances.