17
Service Guide
Pre-trip
Every
1,000
Hours
Annual/
Yearly
Inspect/Service These Items
Electrical
• Perform a controller pre-trip inspection (PTI) check.
•••Visually check condenser fan and evaporator fan
•••Visually inspect electrical contacts for damage or loose connections.
•••Visually inspect wire harnesses for damage or loose connections.
••Download the data logger and check data for correct logging.
• Check operation of protection shutdown circuits.
Refrigeration
•••Check refrigerant charge.
•••Check compressor oil level.
••Check for proper discharge and suction pressures.
• Check filter drier/in-line filter for a restriction pressures.
Structural
•••Visually inspect unit for damaged, loose or broken parts.
•••Tighten unit, compressor and fan motor mounting bolts.
••
Clean entire unit including condenser and evaporator coils, and defrost
drains.
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