Annual CO2 Major PPM

Page 1: Initial questions

PPM Details

Site Name
Solarvista Job Number
Verisae WON
Conducted on
Prepared By

PPM Tasks

System ID
Asset Number
Manufacturer
Model Number
Date Of Manufacturer
Number of discharge pressure relief valves
Make of PRV
Model of PRV
Pressure
Date of Expiry
Number of Intermediate pressure relief valves
Make of PRV
Model of PRV
Pressure
Date of Expiry
Number of MT Suction pressure relief valves
Make of PRV
Model of PRV
Pressure
Date of Expiry
Number of LT Suction pressure relief valves
Make of PRV
Model of PRV
Pressure
Date of Expiry

Safety Checks

Ensure the work area is clear from any obstruction
Check the general condition of asset
Perform test run to confirm asset is operational

Maintenance Tasks to be Carried out

Manually test operation of plant ventilation
Confirm correct warning labels are displayed on plant housing and control panels
Ensure panel keys are in place
Ensure all electrical drawings & manuals are on site, up to date & available to access
Confirm isolator engineer interlock is functioning correctly
Confirm earthing and continuity to all metal work and sub circuit components
Ensure electrical panel and interior of pack casing is clean and free from debris. Confirming trunking covers and electrical cables are tidy
Confirm UPS does not have any warning lights lit. Battery needs to be replaced every 3 years. If unable to identify treat as battery requires replacing.
Confirm electrical components are not overheating or arcing
Using an infra red thermometer record the temperatures. Should not exceed 40 degrees
Confirm control voltage is 24vdc
Confirm PLC/Controller is operational & staging compressor in/out
Compare all plant set points & Parameters against commissioning data and/or manufacturers setting
Examine overloads and confirm they are set for 10 % above operational amps. Refer to compressor/motor data plate
Confirm all crankcase heaters are operational
Confirm operation of housing extract fan, isolate and clean if required using a soft brush (where Fitted)
Confirm Invertors are working to manufactures recommendations (Refer to Manual)
Confirm all compressor mounts and fixings are in place and secure
Confirm service valve connections are secure and leak free. corroding valves should be cleaned and protected
For coalescent oil separator test for excessive pressure drop across the internal filter
Replace oil filter if excessive pressure drop (For Green and Cool systems also replace seals
in VM7 valves when replacing the oli filter)
Confirm oil management system is working correctly
Confirm oil level is adequate and carry out an oil acid test. Using Acid test kit Wolseley part NO 689102. Label with date carried out
Confirm refrigerant level is correct
Confirm transducers are reading correctly in correlation with gauges
Confirm all Temp probes are in the correct place and secure
Carry out a pressure differential test and confirm no filter is present (Suction)
Confirm that all Pressure relief valves are correct rating ( Safe operating Limit is on liquid receiver data plate ) & have tags fitted stating date installed. If tag not present or Pressure
Ensure all pressure relief valves are connected to blow off lines
Confirm main safety switch is fitted and operational with no signs of damage and operation is at correct pressure
Confirm pressure vessels are clear of corrosion or damage
Confirm there are no signs of damage to insulation to Pressure vessel and heat exchanger
Confirm components and pipework are clear of rubbing or damage
Leak Test all components & pipework for any leaks. Confirm there are no leaks with an electronic leak detector
Perform leak test to confirm valves are sealed
Confirm all components and pipework are clear of any signs of accumulation of ice
Confirm pack housing has no internal/ external damage
Confirm that the rotation of gas cooler fans and the operation of the controllers is correct
Confirm all electrical panel doors are closed and pack housing has no internal damage
Confirm isolators are engaged with the interlocks
Leave work area in a Clean & tidy condition
Close and lock Plant Doors ensuring they are secure
Confirm pipe brackets and clips are tight and secure
Confirm pipe supports are in place
Remove any signage used. Return any Keys used to store
Confirm on Alarm Panel all fixtures are running to Tesco Specification and are communicating
Confirm Battery Status is not in alarm indicated at the top of the screen Replace if required
Confirm new linked work orders are raised where defects/damages are found from tasks completed