Annual HFC Major PPM

PPM Details

• Prepared By

• Conducted On

  Date

• Site

  Select

• Solarvista Job Number

• Verisae WON

Pack Details

• System ID

• Asset Number

• Manufacturers Name

• Serial Number

• Date of Manufacture

  Date

• Confirm PRV's are Tagged and in date

  Pass

  Fail

  N/A

• Expiry Date

  Date

• Expiry Date

  Date

Maintenance Tasks to be Carried Out

• Check the general condition of asset

  Good

  Fair

  Poor

  N/A

• Perform test run to confirm asset is operational

  Pass

  Fail

  N/A

• Confirm Pack Housing has no internal or external damage<br>

  Pass

  Fail

  N/A

• Confirm correct warning labels displayed on control panel door

  Yes

  No

  N/A

• Confirm isolator engineer interlock is functioning correctly. *This allows access to control*

  Yes

  No

  N/A

• Ensure electrical panel and interior of pack casing is clean and free from debris

  Pass

  Fail

  N/A

• Confirm mains incoming Isolator terminal shields are in place

  Yes

  No

  N/A
Using an infrared thermometer record mains terminal temperatures,
Should not exceed 40° c

• Confirm panel wiring and components have no signs of over heating damage

  Pass

  Fail

  N/A

• Confirm all ventilation panel fans are working and filters are clear of debris

  Yes

  No

  N/A

• Number of fans Faulty

• Fan Model

• Serial Number

• Confirm all overloads and trips are operational

  Yes

  No

  N/A

• Confirm all compressors run when required by pack controller

  Yes

  No

  N/A

• Test compressor run currents from the overload and record any excess fluctuation between Phases

  Pass

  Fail

  N/A

• If above 10% adjust overload to correct setting using the correct size insulated screw driver

• Confirm crankcase heaters are operational

  Pass

  Fail

  N/A

• LT packs only - If fitted, replace battery on Emerson Ec3-x33 vapour injection module

• Confirm operation of housing extract fan, Isolate and clean using a soft brush

  Pass

  Fail

  N/A

• Make & Model

• Serial No.

• Confirm all compressor mounts and fixings are present and secure ( 13 ± 1 Nm)

  Pass

  Fail

  N/A

• Parts Required to Secure compressor

  Yes

  No

  N/A

• Confirm all compressor rota lock valves are tightened to the correct torque setting Rotalock ¾" – 16UNF 40-50Nm Rotalock 1" – 14UNS 70-80Nm Rotalock 1 ¼" – 12UNF 110-135Nm Rotalock 1 ¾" – 12UNF 135-160Nm Rotalock 2 ¼" – 12UNF 165-190Nm

• Confirm pack do not have any Liquid flood back

  Pass

  Fail

  N/A

• Cause of Liquid Flood Back

• Actions Taken to Rectify Problem

• Confirm compressor vapour / liquid injection is operational with compressor running <br>( LT only )

  Pass

  Fail

  N/A

• Carry out a sample of the oil using an acid test. Label with date carried out in pack log <br>book, If oil sample is out of specification, carry out system oil change.

  Pass

  Fail

  N/A

• Measure the pressure differential between the inlet & outlet of the oil separator, If differential is above 20 psi, raise a WON for internal filter replacement

  Pass

  Fail

  N/A

• Confirm with service gauges that pressure transducers are reading correctly for the main <br>pack controller and for back up controller

  Pass

  Fail

  N/A

• Test all override & safety switches, confirm safety switch operated at correct <br>pressure, If incorrect, adjust safety switches to correct setting (Please confirm all safety switches are labelled with set pressures and date tested)

  Pass

  Fail

  N/A

• Confirm correct oil level is achieved in all compressors & oil separators

  Pass

  Fail

  N/A

• Trip main pack controller to confirm the plant runs in back up mode. Reset the main <br>controller after task

  Pass

  Fail

  N/A

• Using the plant commissioning data sheet replace and confirm all controller settings and <br>parameters are to manufacturers guidelines

  Pass

  Fail

  N/A

• Replace liquid line drier core. Label with date carried out in pack log book

  Media

• Leak test isolation valves and drier housing.

  Pass

  Fail

  N/A

• Confirm Liquid receiver is clear of corrosion & damage

  Pass

  Fail

  N/A

• Ensure all pressure relief valves are connected to blow off lines

  Pass

  Fail

  N/A

• Confirm there is a visible level in the bottom indicator of the liquid line site glass

  Pass

  Fail

  N/A

• Test for non condensable within the condenser

  Pass

  Fail

  N/A

• Confirm all condenser fan fixings, blades and fan guards are in place and secure

  Pass

  Fail

  N/A

• Confirm that the rotation of condenser fans and the operation of the controllers is correct<br>

  Pass

  Fail

  N/A

• Brush off debris from underneath the gas cooler prior to jet washing. Confirm daylight is visible through condenser

• Lock out Tag out condenser fan (only carry out clean of one fan at a time ), Jet wash all fins until water runs clear

• Confirm Gas cooler fins are clear from any damage or corrosion. If fins are damaged <br>straighten using correct size fin comb

  Pass

  Fail

  N/A

• Remove any debris from underneath Gas cooler

  Media

• Confirm with leak detector all components & pipework are leak free

  Pass

  Fail

  N/A

• Ensure electrical panel door fully closes and locks are engaged<br>

  Pass

  Fail

  N/A

• Ensure all drawings are left in designated folder

  Pass

  Fail

  N/A

• Leave work area in a clean & tidy condition

  Media

• Close and lock plant doors, ensuring canopy locks are secure<br>

  Pass

  Fail

  N/A

• Remove signage confirm signage has been removed from area

• Confirm on alarm panel all cases are running to set point & communicating

  Pass

  Fail

  N/A

• I confirm all tasks have been complete

  Sign