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Annual CO2 Major PPM Checklist (Large Store Format)

by Liam Dean, from the Community

This annual CO2 major PPM checklist is designed for large-format retail locations to plan and document preventative maintenance on CO2 refrigeration packs and related plant. Capture site, asset, and PRV details; complete safety checks; verify ventilation, warning labels, isolators, earthing, and electrical integrity; check UPS status and control voltages; confirm PLC operation and set points; inspect compressors, valves, oil management, and refrigerant levels; test sensors and transducers; perform leak detection and pressure tests; assess vessels, pipework, insulation, and fan rotation; secure panels and interlocks; and finalize with alarm panel verification and sign-off.

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Confirm accountability and compliance with a digital log

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This community page makes available free workplace checklists and templates created by other users within the SafetyCulture community. SafetyCulture has re-published this content and where possible, has credited the original author. SafetyCulture has not verified the accuracy, reliability or suitability of any community content. You agree that your use of any of this content is in accordance with SafetyCulture’s Terms and Conditions.

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Annual CO2 Major PPM Checklist
This annual CO2 major planned preventive maintenance checklist is designed for large retail stores operating CO2 refrigeration packs. It guides technicians through asset identification, safety checks, and a complete set of maintenance steps, including ventilation tests, labels and documentation verification, electrical and control inspections, inverter and compressor checks, oil management and acid tests, refrigerant charge verification, sensor and transducer validation, PRV rating and tagging, leak testing, and visual inspections of vessels and pipework. It also covers UPS battery status, housekeeping, securing plant rooms, and raising linked work orders for any defects found.
by Liam Dean, from the Community
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Template
Tesco Major CO2 Refrigeration Plant PPM Checklist
A comprehensive planned preventive maintenance checklist for major CO2 refrigeration plants in large Tesco stores. Includes safety precautions, visual inspections, electrical verification, inverter and controller checks, refrigeration system tasks such as oil management, transducers and probes, leak detection, and pressure vessel condition. Details gas cooler cleaning and fan operation, shop floor cabinet leak testing and condenser cleaning, and monitoring panel verification to Tesco specification. Concludes with completion steps and sign off.
by Liam Dean, from the Community
Downloads: 10+
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Template
CO2 PPM Checklist for Tesco Stores
This CO2 planned preventive maintenance checklist is designed for Tesco supermarket refrigeration systems. It guides technicians through essential safety and performance checks, including signage and isolation, electrical integrity, interlocks and earthing, control voltages, compressor staging and overloads, crankcase heaters and fans, oil testing and management, transducers and set points, receiver levels, filter changes, PRV condition, bursting discs, and safety switches. It also covers gas cooler cleaning, fin and coil inspection, leak testing across components and pipework, probe placement, differential checks, and ensuring all cases communicate to set points, with clear closeout steps.
by Arran Middleton-Bolch, from the Community
Downloads: 30+
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Template
Tesco Major CO2 Refrigeration Plant PPM
Use this planned preventive maintenance checklist to service major CO2 refrigeration plants in Tesco Express stores. The template guides engineers through safety, visual and electrical checks; compressor rack and inverter operation; oil management, pressures and liquid levels; PRVs and safety switches; leak testing with electronic detection; gas cooler and condenser cleaning; cabinet and shop floor checks; alarm and IMS monitoring; and documentation. Record system details, verify labels and manuals, lockout tagout where required, and confirm the plant is restored to safe operation with all doors secured and the area left tidy.
by Liam Dean, from the Community
Downloads: 10+
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Annual CO2 Major PPM Checklist (Large Store Format)

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