REFRIGERATION SYSTEM MAINTENANCE - FOOD STORAGE CHECKLIST

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--- GENERAL INSPECTION & SAFETY ---
[ ] Date of Inspection
[ ] Time of Inspection
[ ] Ambient Temperature (°C)
[ ] Overall System Appearance (Excellent, Good, Fair, Poor)
[ ] Potential Hazards Observed (Loose Wiring, Refrigerant Leaks, Blocked Airflow, Water Leaks, Unstable Unit, None Observed)
[ ] Notes on General Condition/Hazards
[ ] Safety Equipment Check (Fire extinguisher, emergency stops) (Present and Functional, Present but needs maintenance, Missing or Non-Functional)
[ ] Inspector Signature

--- CONDENSER UNIT ---
[ ] Ambient Temperature (°C)
[ ] Condenser Coil Temperature (°C)
[ ] Discharge Air Temperature (°C)
[ ] Fan Motor Amperage
[ ] Coil Condition (Clean, Slightly Dirty, Moderately Dirty, Heavily Soiled)
[ ] Notes on Coil Cleaning/Maintenance
[ ] Fan Motor Condition (Good, Noisy, Vibration, Needs Replacement)
[ ] Photo of Condenser Unit

--- EVAPORATOR UNIT(S) ---
[ ] Evaporator Coil Temperature (°F)
[ ] Evaporator Coil Surface Frost/Ice Thickness (inches)
[ ] Coil Condition - Visible Mold/Mildew? (Yes, No, Unsure)
[ ] Description of Observed Evaporator Coil Condition (e.g., excessive frost, fouling, leaks)
[ ] Defrost Cycle Functioning Correctly? (Yes, No, N/A - Not Applicable)
[ ] Evaporator Fan Motor Amperage
[ ] Notes on Defrost Cycle Performance (if applicable)

--- REFRIGERANT & PRESSURES ---
[ ] Suction Pressure (PSI)
[ ] Liquid Line Pressure (PSI)
[ ] Head Pressure (PSI)
[ ] Refrigerant Charge (lbs)
[ ] Refrigerant Type (R-134a, R-404A, R-290, Other (Specify in Long Text))
[ ] Refrigerant Type Specification (If 'Other')
[ ] Pressure Readings Within Normal Range? (Yes, No)
[ ] Comments/Observations (Pressure & Refrigerant)

--- ELECTRICAL COMPONENTS ---
[ ] Voltage at Compressor
[ ] Amperage Draw - Compressor
[ ] Amperage Draw - Fan Motor (Condenser)
[ ] Amperage Draw - Fan Motor (Evaporator)
[ ] Condition of Wiring Harnesses (Good, Fair, Damaged - Repair Needed)
[ ] Condition of Control Panel (Good, Fair - Clean Required, Damaged - Repair Needed)
[ ] Notes on Electrical Components

--- TEMPERATURE MONITORING & CONTROL ---
[ ] Current Temperature (High Storage)
[ ] Current Temperature (Low Storage)
[ ] Set Point Temperature (High Storage)
[ ] Set Point Temperature (Low Storage)
[ ] Temperature Stability (Stable, Fluctuating, Unstable)
[ ] Alarm System Functionality (Operational, Needs Attention)
[ ] Notes on Temperature Readings/Control System Observations
[ ] Last Calibration Date (Temperature Sensors)

--- LEAK DETECTION & REPAIR ---
[ ] Initial Leak Test Method Used? (Electronic Leak Detector, Soap Bubble Test, Pressure Decay Test, Other - Specify Below)
[ ] If 'Other' Leak Test Method, please specify:
[ ] Leak Rate (oz/year) if detected:
[ ] Leak Location (if found):
[ ] Leak Repair Details:
[ ] Refrigerant Added (lbs/oz) after repair:
[ ] Leak Test Method After Repair? (Electronic Leak Detector, Soap Bubble Test, Pressure Decay Test)
[ ] Additional Notes on Leak Detection/Repair:

--- PREVENTATIVE MAINTENANCE & CLEANING ---
[ ] Last Coil Cleaning Date
[ ] Details of Condenser Coil Cleaning (Method, Solution)
[ ] Details of Evaporator Coil Cleaning (Method, Solution)
[ ] Air Filter Change Interval (Days/Weeks)
[ ] Next Air Filter Change Date
[ ] Areas Cleaned (Check all that apply) (Condenser Unit Area, Evaporator Unit Area, Drain Pans, Surrounding Floors, Exterior Surfaces)
[ ] Notes/Observations during Cleaning

--- DOCUMENTATION & RECORD KEEPING ---
[ ] Date of Inspection
[ ] Time of Inspection
[ ] Temperature Reading (Avg.)
[ ] Refrigerant Pressure (High Side)
[ ] Refrigerant Pressure (Low Side)
[ ] Detailed Notes/Observations
[ ] Work Order Number (if applicable) (N/A, WO-001, WO-002)
[ ] Attach Supporting Documents/Photos
[ ] Service Technician (Tech 1, Tech 2, Tech 3)
[ ] Technician Signature

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