Introduction This guide has been prepared for the operator of Carrier Transicold 35X with Standby, and 40X and 50X Truck Refrigeration units with Cab Command, Two Controller. It contains basic instructions for the daily operation of the refrigeration unit as well as safety information, and other information that will help you to deliver the load in the best possible condition.
Safety Your Carrier Transicold refrigeration unit has been designed with the safety of the operator in mind. During normal operation, all moving parts are fully enclosed to help prevent injury. During all pre-trip inspections, daily inspections, problem troubleshooting, you may be exposed to moving parts; please stay clear of all moving parts when the unit is in operation.
If a problem occurs, please refer to the information on this plate, and make a note of the model and serial number before calling for assistance. This information will be needed when you contact a technician or Carrier Transicold Service Engineer so that they may properly assist you. 40/50X Nameplate...
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A : Evaporator B : Condenser C: Cab control D : Compressor mounting kit E : Vehicle battery F : Standby plug G : Main road fuse...
Unit Operation Operating Principle After starting up the refrigeration unit by pressing the ON key on the Cab Command Two Controller, unit start -up and shutdown are automatic. • On Road operation: An open-type compressor is driven by the vehicle’s engine. The vehicle battery powers the evaporator and condenser fans.
Keypad and Display Readout Standby operation display Road operation display Manual defrost control key Unit start-up key Unit shut-down key Data selection key Selected data decrease key Selected data increase key Unit operation display • Green = In-Range (left half) •...
Additional Key Features To access additional key functions, press and hold the SET key for five seconds. The microprocessor will provide a set of additional functions as the SET key is pressed additional times after the five second hold. The sequence for the additional functions is as follows: Press SET for five seconds.
Starting - Engine Operation 40°F Press the ON key. Start-up may be time- delayed. Check if box temperature is displayed. Check that the road operation light is on. NOTE: If standby power cord is plugged in, the controller will trigger a visual alarm in the form of a flashing red alarm light and readout (4), and the unit will run in standby mode.
Starting - Standby Operation 40°F 1. Press the OFF key and plug in power supply. 2. Press the ON key. Start-up may be time-delayed. 3. Check that the standby operation light is on. NOTE: If the ending is operating when the unit is connected to power, the controller will trigger a visual alarm in the form of a flashing red alarm light and readout (4), and the unit will run in engine mode.
Changing Display Brightness 40°F 1. Press the ON key. 2. Within five seconds, press the + (plus) or - (minus) key to increase or decrease display brightness. 62-11045...
Temperature Setpoint 40°F 1. Press the SET key 2. Press the + (plus) key to increase setpoint or press the - (minus) key to decrease setpoint. 3. Press SET key when desired setpoint is displayed to lock in new setpoint. 62-11045...
Defrost Parameters The procedure for modifying defrost parameters is as follows: Shut down unit Display parameters Modify parameters Validate modified settings Return to display of box temperature. 62-11045...
Defrost Interval Defrost Interval in Hours: 0, 1, 1.5, 2, 2.5, 3, 4, 5 & 6 AUT: The microprocessor calculates the time, factoring in length of the last defrost and time between the two defrost cycles in relation to setpoint and cargo. 1.
Minimum/Maximum Setpoint, Out-of-Range and Continuous Flow Minimum Setpoint Settings: 32°F ( 0 °C), 68°F (2 0° C) or -20° F (-29° C) Maximum Setpoint Settings: 68°F (20° C) or 86° F (30° C) Out-of-Range Settings: 1.8, 3.6 or 5.4°F ( 1, 2 or 3°C) Continuous Airflow Settings: F/ON or F/OFF 32°F 1.
Product Loading Before Loading • Pre-cool the body. This will remove much of the heat from the inside of the body and give the product much better protection when it is loaded. • Place the unit in a defrost cycle immediately before loading. This will remove moisture accumulated on the evaporator coil.
These are included for reference only and should not be considered preemptive of the set point required by the shipper or receiver. More detailed information can be obtained from your Carrier Transicold dealer. Setpoint Range Product °F...
However, if you run into problems the following section may be of assistance. If you do not find the trouble that you have experienced listed, please call your Carrier Transicold dealer for assistance. General Problems •...
Alarm and Error Display 1. When an Alarm is activated, the ! light flashes red. The ! light flashes green when the unit is operating correctly. 2. Press the SET key for five seconds to display alarms. 3. Press + or - key to view additional alarms. 4.
Alarm List Alarm Alarm/Error Description No Malfunction Low Pressure Switch (LP) Open High Pressure Switch (HP1) Open Standby Compressor Over Heated Road Compressor Clutch Standby Contactor (high amp draw) Condenser Fan Motor (high amp draw) Evaporator Fan Speed Alarm Hot Water Solenoid (high amp draw) (option) Hot Gas Valve (HGS1) (high amp draw) Quench Valve (BPV)(high amp draw) Condenser Pressure Control Valve (HGS2)
Standby Operation Guidelines For safe, reliable operation in Standby mode, it is important to follow a few guidelines: • Always check that the unit is OFF by pressing OFF key on controller before connecting or disconnecting the unit from the power source. •...
Fuses - 40/50X To access the road and standby fuses, remove the left side cover (fastened by four screws). To access transformer fuses, remove control box cover. Control Box Purpose 230/3/60 230/1/60 Road Supply Fuse (FR) 50 A 50 A Standby Supply Fuse (FS) 50 A 50 A...
Unit Maintenance WARNING Before working on unit, check that: • The unit is off (press OFF key on controller). • It is impossible for unit to automatically start-up during maintenance. Refrigerant Charge: R-404A Refrigerant Charge Unit Charge 3.3 lbs (1.5 kg) 6 lbs (2.7 kg) 6.5 lbs (2.9 kg) Compressor Oil - Mobil Arctic EAL 68...
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Service C motors, brush maintenance is not required. 3. Change compressor oil Use polyol ester oil (POE) approved by Carrier Transicold. Change the removable fuses and capacitors (if Service D any) in the control box. 62-11045...
Emergency Road Service At Carrier Transicold, we are working hard to give you complete service when and where you need it. That means a worldwide network of dealers that offer 24-hour emergency service. These service centers are manned by factory trained service personnel and backed by extensive parts inventories that will assure you of prompt repair.
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Specifications are subject to change without notice. Warranty: Product warranty and limitations are outlined in Form 62-11019. This warranty applicable only in North America. Consult your Carrier Transicold representative for warranty coverage elsewhere. North America Central America and Mexico...
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