The Thermo King V-600 MAX 10/20/30/50 is a series of two-piece truck refrigeration systems designed for medium-sized trucks and vans. These units are intended for transporting fresh, frozen, and deep-frozen products, ensuring temperature-controlled environments during transit.
Function Description:
The V-600 MAX series operates as a refrigeration system with a condenser located either in the front or beneath the truck chassis, and an evaporator mounted on the ceiling of the cargo area. The primary compressor is driven by a belt from the vehicle's engine, connecting to the unit via refrigeration hoses and tubing. For models equipped with electric standby, a second compressor is driven by an electric motor, allowing the unit to operate independently of the vehicle's engine when connected to an external power source.
The unit's control circuits operate on either 12V or 24VDC, supplied by the truck batteries for on-the-road operation. The refrigeration system is safeguarded by a high-pressure transducer and a low-pressure cut-out switch, which monitor and regulate system pressures to prevent damage. Compressor operation is managed by a thermostat that energizes the clutch during engine operation or the compressor contactor during standby.
A key feature is the automatic selection of vehicle engine mode or standby mode. When the unit is plugged into an electric receptacle, vehicle engine operation is automatically blocked. If the truck engine is started while the power cord is still connected, the unit will continue to operate in electric mode, and the vehicle engine-powered compressor will not start until the power cord is unplugged.
Defrosting is achieved through a hot gas solenoid valve, which provides hot gas to the evaporators to melt any accumulated ice. To prevent blockage in the drain tube due to ice accumulation, the R-404A unit evaporators are equipped with two resistance wires inside the drain tube. These wires are permanently connected and energize when the Klixon thermostat closes, ensuring proper drainage.
Important Technical Specifications:
- Refrigerant Type: R-404A / R-452A. These refrigerants comply with F-Gas legislation revision 2014 (Regulation (EC) No 517/2014). Users are advised to note their specific refrigerant type (indicated on the unit's label) and avoid cross-contamination.
- R-404A Global Warming Potential (GWP): 3922
- R-452A Global Warming Potential (GWP): 2140
- Main Compressor: TM 16XD
- Standby Compressor: D213Y (3 phase/50Hz) / D211Y (single phase/50Hz)
- Compressor Oil Charge:
- Road (TM 16XD): 180 cc
- Electric Standby Operation: 1,200 cc
- Compressor Oil Type: Polyol ester P/N 203-515. Polyol ester compressor oil should be used in standard Thermo King units. PAG-type or mineral oils should not be added to systems using R-134A or R-404A/R-452A.
- Refrigerant Charge:
- V-600 MAX 10: 2.2 kg of R-404A/R-452A
- V-600 MAX 20/30: 2.3 kg of R-404A/R-452A
- V-600 MAX 50: 2.4 kg of R-404A/R-452A
- Defrost Method: Hot gas
- Defrost Thermostat (Klixon):
- Opens: 8.9 ±3°C
- Closes: 2.2 ±3°C
- Liquid Injection Switch (R-404A/R-452A):
- Opens: 93 ±3°C
- Closes: 110 ±3°C
- Low Pressure Cut-Out Switch:
- Opens: From 5 to 11 inches of vacuum
- Closes: From 4 to 7 psi (27.6 to 48.3 kPa)
- Defrost Timer:
- Initiation Interval: From 1 minute to 10 hours
- Termination: When Klixon opens
- High Pressure Logic Switch (R-404A/R-452A):
- Opens: 450 ±10 psi (3,100 ±69 kPa)
- Closes: 375 ±10 psi (2,585 ±69 kPa)
- Condenser Fan Pressure Switch (CFPS logic switch):
- Opens: 130 ±10 psi (896 ±69 kPa)
- Closes: 180 ±10 psi (1,241 ±69 kPa)
- Condenser Fan Speed Control (CFSC logic switch) (R-404A/R-452A):
- Opens: 250 +20 psi/-0 psi (1,724 +138 kPa/-0 kPa)
- Closes: 200 ±20 psi (1,379 ±138 kPa)
- Condenser Pressure Control (CSPS logic switch) (R-404A/R-452A):
- Opens: 300 +20 psi/-0 psi (2,068 +138 kPa/-0 kPa)
- Closes: 230 +20 psi/-0 psi (1,586 +138 kPa/-0 kPa)
- Condenser and Evaporator Fan Motors:
- Condenser (2 fans): 13V (130W, 10A), 26V (122W, 4.7A)
- Evaporator (3 fans): 13V (97.5W, 7.5A), 26V (104W, 4A)
- AC Standby Motor (Power rating 1.5 kW):
- 230/400V (3 Phase, 50Hz): 11.8/6.8 A
- 230V (1 Phase, 50Hz): 14.1 A
- 208/230V (USA, 3 Phase, 60Hz): 14.1 A
- 230/450V (3 Phase, 60Hz): 14.1/8.1 A
- 208/230V (USA, 1 Phase, 60Hz): 16 A
- Solenoid Valve Coils (Current Draw):
- Hot Gas: 12V (1.2A), 24V (0.6A)
- Liquid Injection: 12V (1.2A), 24V (0.6A)
Usage Features:
- In-cab Controller: Direct Smart Reefer for convenient monitoring and control from the vehicle cabin.
- Digital Thermometer: Provides precise temperature readings.
- Electronic Thermostat: Adjustable temperature settings for R-404A/R-452A from -32°C to +22°C, allowing flexibility for various cargo types.
- Automatic Mode Selection: Seamless transition between vehicle engine-powered and electric standby modes.
- Safety Features: High-pressure transducer and low-pressure cut-out switch protect the refrigeration system from extreme pressure conditions.
- Oil Separator: Helps maintain compressor efficiency and longevity by separating oil from the refrigerant.
- Liquid Injection: A feature for enhanced cooling performance and protection of the compressor under certain operating conditions.
Maintenance Features:
- Comprehensive Documentation: The manual provides detailed information to assist owners, operators, and service personnel in the proper upkeep and maintenance of Thermo King units. For more in-depth information on Thermo King refrigeration systems, users are directed to the general Thermo King refrigeration systems Maintenance Manual.
- Refrigerant Type Awareness: Emphasizes the importance of identifying the correct refrigerant type (R-404A or R-452A) to prevent cross-contamination during service.
- Compressor Oil Level: When removing oil from the compressor, it is crucial to note the oil level to ensure the same level is maintained in the replacement compressor, which is vital for proper lubrication and operation.
- Diagnostic Manuals: Users are advised to consult the appropriate Controller Diagnostic Manual for more detailed information regarding the unit's controller.
- Unit Diagrams: The manual includes various diagrams, such as the V-600 MAX Refrigeration Diagram, Wiring Diagram, and Schematic Diagram, to aid in troubleshooting and maintenance. These diagrams are regularly updated, and the latest versions can be downloaded from the EMEA Infocentral/Vehicle Powered Truck/Drawings and Diagrams portal.
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