Clade F-Gas Changeover Jan 24 v1

• Site conducted

  Select

• Conducted on

  Date

• Prepared by

• Location
  Address

• Attach permit to work for each day; record date, engineers & store managers signature.

  Yes

  No

  N/A

• Are there landlord arrangements needed to access the plant area? Include landlord contact details and any specific permits.

  Yes

  No

  N/A

• Are there any logistical issues with accessing the area, keys, stairs, lifts. Any issues with bottle/equipment route?

  Yes

  No

  N/A

• Are all packs on 404a? Identify gas charge for each pack or estimate and detail where possible.

  Yes

  No

  N/A

• What is the condition of the packs? Any notable concerns?

• Are there any signs of liquid floodback? Attach photos and detail if issue.

  Yes

  No

  N/A

• Are condensers in good condition? Note any issues with coils etc.

  Yes

  No

  N/A

• If an express store, are any cabinets on EEVs. Detail any access issues to cabinets and valve make/model to replace seals on liquid lines.

  Yes

  No

  N/A

• Are there any alarms? Take a picture of the front end and number if any.

  Yes

  No

  N/A

• Any there any other rectification works required by tesco to be aware of before completing changeover?

  Yes

  No

  N/A

• Carry out leak test on plant and assets where accessible. Take photo with detector. If leaks found, detail where and advise if corrective work is needed by Tesco I.e. brazing or leak can be resolved by us during attendance.

  Yes

  No

  N/A

• Contact Stuart Mcleod/IMS to inhibit alarms on associated pack prior to work. Cc Project Manager. tesco-support@ims-evolve.com

  Yes

  No

  N/A

Changeover

• Have core driers and zero caps been replaced? Attach photographs.

  Yes

  No

  N/A

• If an Express store, have solenoid valves had their seal and diaphragm replaced on liquid lines?

  Yes

  No

  N/A

• For stores with EEVs has the refrigerant type in controller setup been adjusted to reflect R448A glide? If no option to change to 448a, adjust superheats from 3-8k to 8-12AKV on controllers as per spec.

  Yes

  No

  N/A

• Check thermal expansion valves (TEV) suitability for operation with replacement refrigerant. Monitor and adjust as required to optimise performance.

  Yes

  No

  N/A

• Has the liquid level on the receiver hit the top of bottom sight glass? Attach photo and detail pack ID.

  Yes

  No

  N/A

• Has a leak detection test been carried out following works? Attach photo of testing.

  Yes

  No

  N/A

• Are cases down to temperature following changeover?

  Yes

  No

  N/A

• Are there any additional alarms following changeover? Attach photo of alarms at panel.

  Yes

  No

  N/A

• Has Stuart Mcleod or IMS been contacted to re-instate alarms?

  Yes

  No

  N/A

• Have F-Gas labels been attached to packs and blank fields dynotaped with information? Attach photo.

  Yes

  No

  N/A

• Have packs, cabinets & evaporators been traffolyte labelled with the new refrigerant? Attach photos. Remove old to avoid confusion.

  Yes

  No

  N/A

• Has pipework been ID taped to reflect new refrigerant (R448A)? Attach photo.

  Yes

  No

  N/A

• Update pack IDs on IMS to latest commissioning standard. I.e. pack reference, saturated suction temperature, refrigerant type e.g. HT01, -7, R448A

  Yes

  No

  N/A

• Any further comments or concerns?

  Yes

  No

  N/A

• On completion of works, sign out and attach PTW.

  Yes

  No

  N/A

Refrigerant Tracking

• Detail or attach photo of reclaim bottle serial nos. weights and corresponding pack ID I.e. RR27000967 26KG HT1

  Media

• Detail or attach photo of R448a bottle serial nos. charge & corresponding pack ID I.e. 1N120308 46kg HT1

  Media

• Are there any unopened bottles? How many, attach photos and serial nos.

  Yes

  No

  N/A

• Are there any part used bottles, can they be charged on an alternative system or taken to another site?

  Yes

  No

  N/A

• Provide photo and description of bottle location to arrange collection.

  Yes

  No

  N/A