Title Page

  • Document No.

  • Audit Title

  • Client / Site

  • Conducted on

  • Prepared by

  • Location
  • Personnel

Evaporative Air Conditioners

Evaporative Air Conditioners

  • check and adjust bleed rate. adjust for even water over distribution pads (quarterly)

  • check operation of float valve and dump valve (quarterly)

  • Check that pads are uniformly wet adjust if necessary (quarterly)

  • inspect pads for cleanliness remove and hose down record and report if pads need replacing (quarterly)

  • remove inspection panel check belts (quarterly)

  • Switch on check pump operation (quarterly)

  • report if air filter (where fitted) requires replacing (quarterly)

  • flush drainage system with clean water (quarterly)

  • Drain and clean sump (quarterly)

  • inspect water strainer and clean where necessary (quarterly)

  • inspect water filter pads and record/report if new pads are required (quarterly)

  • reinstall drain plug in reservoir, fill reservoir and check ball valve setting clean line strainer. (quarterly)

  • apply grease film to blower shaft and bearings (quarterly)

  • Check belts for wear and adjust (quarterly)

  • check pulley adjustment (quarterly)

  • Check pulley alignment (quarterly)

  • clean water distribution channels (quarterly)

  • Empty and clean water reservoir (quarterly)

  • Examine for corrosion repair as necessary and report if painting is required. (quarterly)

  • lightly lubricate motor bearings to e manufacturers rc commendation where possible (quarterly)

  • Remove Hose Down and reinstall filter panels. (quarterly)

Pumps

Pumps

  • Adjust belt tension as necessary check for wear (monthly)

  • Change over duty pump where fitted (monthly)

  • check pump and motor for vibration and bearings for noise or overheating (monthly)

  • Check guards are securely in place (monthly)

  • Check pump and motor for vibration and bearings for noise or overheating. (monthly)

  • Check that gland well and drains area clear. (monthly)

  • If pressure gauges fitted, check that they are operating correctly (monthly)

  • Inspect pump gland and adjust if necessary (monthly)

  • Operate pump suction and discharge valves stop any gland leaks (monthly)

  • vent pump (monthly)

  • Visually inspect pump coupling (monthly)

  • Where fitted check operation of automatic float switch adjust of necessary (monthly)

  • Lightly grease bright steel (quarterly)

  • With pump running lightly lubricate bearings of pump and motor (quarterly)

  • Clean and as necessary reseat check valves (6 monthly)

  • Check coupling bushes for wear if worn record/report and isolate equipment. Motor may need alignment. (Annual)

  • inspect exposed surfaces for corrosion (Annual)

Reverse Cycle Air Con

Reverse Cycle Air Conditioning

  • Check the operation through heating and cooling sequence, including condensing unit. (Monthly)

  • Check casing wiring and insulation for corrosion, clean dry and check that all components are secure. Repair and report any faults. (Monthly)

  • Check for unusual noise or vibration in the outdoor unit and the condenser. (Monthly)

  • Check condenser drain and drop tray to ensure it is free from blockages (Monthly)

  • Check for unusual noise or vibration in the indoor unit and condenser (Monthly)

  • Check that condenser fans operates correctly (Monthly)

  • Check compressor and flare nuts for oil leaks (6 monthly)

  • Clean Air Filter (6 monthly)

  • Check indoor coil for cleanliness (6 monthly)

  • Ensure that TX valve is operating correctly and swapping from heating to cooling mode (6 monthly)

  • Check and record outdoor temperature and air on/off temperature for both heating and cooling (6 monthly)

  • Check all controllers for correct operation (6 monthly)

AIr Handling Unit Fans

Air Handling Unit Fans

  • Adjust belt tension as necessary check for wear (monthly)

  • Check drive shaft guard, see that it is firmly in place (monthly)

  • Check fan operates (monthly)

  • Check for vibration bearing noise of overheating (monthly)

  • Check mounts and holding down bolts for security (monthly)

  • Lightly lubricate bearings to manufacturers recommendations where possible (6 monthly)<br>

  • Spray or coat belts where required with commercial compound to reduce pulley slip. (6 monthly)

  • Check access panels for air leakage and seal (annual)

  • Check drive alignment annual)

  • Check that impeller and drive are tight on shafts (annual)

  • If accessible and drive are tight on shafts check cleanliness of fan blades and scroll or casing. Record or report if cleaning is required. (annual)

  • Inspect for evidence of corrosion wear on flexible connection and other deterioration clean and repair minor corrosion and report where repairs are necessary (annual)

Air Handling Unit Filters

Air handling Unit Filters

  • Inspect system and filters and determine if maintenance is required

  • Advance roll filters when resistance exceeds the design amount

  • Check roll filters have adequate media.

  • Clean and dry out media regenerable filters when resistance exceeds the design amount

  • Clean washable filters when resistance exceeds the design amount

  • Order new filters or filter media if required at next service

  • Record and report on replacement of flat disposable panel filters when resistance exceeds design amount

  • Record and report on replacement of HEPA filters when resistance is more than the design amount

  • Check for air leakage around media sure that the media edge is in the channels provided.

  • Ensure that media is not desintegrating or delaminating

  • On plants over 500 l/s visually inspect filters. Clean as specified and as necessary (at least every three months)

  • Vacuum filter chamber and inlet screens after each filter change

  • Check zero setting on manometer

  • Lightly lubricate filter drives and check operation

  • Inspect HEPA filters (after any maintenance) and test for media or gasket leaks

Air Handling Unit

Air Handling Unit

  • In units with spray coils, clean out algae and slime

  • inspection t and clean outdoor air intakes and exhaust air discharges (outlets) where necessary

  • Inspect drain trays, ensure drains are clear, trays are clean and drains have a water tap in them.

  • Check that appropriate indicating lights signify normal operation.

  • Simulate fire/smoke situation (for each system when separate) to effect changeover or shutdown as appropriate.

  • Switch system back to 'normal' and check that all equipment is in the correct designated mode

  • Check for leaks in coils and piping connections. Record and report any leaks

  • Check panels on doors fastenings and security. report and record and faults

  • Ensure insulation is secure report/record as necessary

  • Inspect flexible connections and report/record as necessary

  • Remove rubbish from conditioner housing

  • Replace defective lights

  • During. Fire mode test check that each item of equipment and any associated indicators have operated correctly and that the fans are running or are shut down in accordance with the correct operational sequence for the air handling system.

  • Inspect casing for corrosion and leaks

  • During a fire mode test check that the motorised outside air recycle air, air-controlled and spill air dampers and their associated motors are operating correctly

  • The system performance criteria of each zone smoke control systems should be verified between each zone.

Plate Heat Exchangers

Plate Heat Exchangers

  • Check for leaks

  • Check and record inlet and outlet temperatures

  • Check and record pressure differential (if pressure gauges fitted)

  • check plant room drain for blockages

Condensers

Condensers Air Cooled

  • Check belts and adjust if required

  • Inspect coils for build up of dirt and clean out as necessary

  • Remove dirt and debris from fan inlet screens

  • Check operation and settings of any control dampers

  • Inspect fan drives for correct rotation

  • Inspect installation to ensure free air flow

  • Inspect propellor fans for correct position in cone and check that the retaining screw is tight

  • Inspect protective finish record and report any necessary repairs

  • Check and service fans motors drives and controls as appropriate.

Sign Off

  • CONTRACTOR: I certify that the testing and inspection of the HVAC system and associated equipment has been carried out in accordance with the tasks listed in this document.

  • COUNCIL OFFICER

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