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General| Brand | Zanotti |
|---|---|
| Model | un0 060 |
| Category | Refrigerator |
| Language | English |
Details and service procedures for the un0° range, covering latest models and amendments.
Covers cooling capacities, unit configurations (nose mounting, undermount), and unit identification.
Outlines essential safety rules, PPE, symbols, general and specific practices for safe operation.
Lists standard, refrigeration, brazing, engine, and electric tools required for service operations.
Details pre-loading, post-loading, and enroute inspection procedures for the unit.
Describes the condensing unit and its various access points like nose mount, right side, and bottom cover.
Details the evaporating section, including monoblock and split configurations, and their access points.
Presents standard single and split unit cooling circuit diagrams, including essential symbol keys.
Covers cooling circuit operations: pump down, refrigerant recovery, vacuum, charging, and leak detection.
Details various valve types, testing, replacement, and specific procedures like solenoid and check valves.
Explains the function of filter driers and sight glasses, and the procedure for their replacement.
Describes thermostatic expansion valves, regulation, and replacement procedures for orifices and valves.
Explains the CPR valve's function and details its regulating procedure and replacement.
Details the KVC valve's function and covers its regulating procedure and replacement.
Explains the function of the oil separator and the procedure for its replacement.
Provides specifications for the scroll stand-by compressor and details its injection valve and overall replacement.
Covers the alternative road compressor, including shaft seal, capacity regulation valve, and compressor replacement.
Explains belt tightening information and the procedure for replacing service belts for the diesel engine.
Covers oil change procedures, trochoid pump inspection, and PO oil pressure switch replacement.
Details water pump, expansion tank, and coolant leak search procedures.
Covers fuel filter, fuel pump, air filter, speed solenoid, and start-stop solenoid valve replacements.
Details alternator, voltage regulator, and glow plug replacement and testing procedures.
Covers coupling junction and flexible element replacement procedures for the transmission system.
Details the cab command interface: display, symbols, buttons, and various menus (driver, set-point, alarm).
Describes the CPU board, various ports (J1-J19), relay board, and multi-temperature expansion boards.
Explains digital sensors (switches, probes) detailing specifications, functions, and menu labels.
Covers circuit breakers, thermal overload relays, thermostats, fuses, and battery relays.
Details the testing procedure for temperature probes and specific probes like cold room and engine coolant.
Describes solenoid valve coils, motor-fans, and engine devices like fuel pumps and speed solenoids.
Covers power supply components: transformer, rectifier, battery, relays, contactors, and alternator.
Explains the unit's operational logic in different modes, including starting sequences and cooling operation.
Lists and describes standard alarms with troubleshooting flowcharts for common unit issues.
Details inactive alarms dependent on non-standard sensors, providing guidelines for checking and disabling.
Provides troubleshooting guides for common issues like non-running fans, unit not starting, and performance problems.
Lists regulation, defrost, alarm, starting, sensor config, digital input/output parameters for single-temp units.
Lists regulation, defrost, alarm, starting, sensor config, digital input/output parameters for multi-temp units.
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