SAFETY SUMMARY GENERAL SAFETY NOTICES The following general safety notices supplement the specific warnings and cautions appearing elsewhere in this manual. They are recommended precautions that must be understood and applied during operation and maintenance of the equipment covered herein. The general safety notices are presented in the following three sections labeled: First Aid, Operating Precautions and Maintenance Precautions.
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SWITCH (see Figure 1-1) in the OFF position. To ensure unit is without power, remove power plug and remove battery negative cable. WARNING Ensure power to the unit is OFF and power plug is disconnected or vehicle engine is OFF and nega- tive battery cable is disconnected before replacing the compressor.
LOGIC BOARD THREE PHASE UNITS SINGLE PHASE UNITS Microprocessor Fused Disconnect (FB) -- Three Phase Only Standby Fuse (FS) Electronic Overload Relay (KR) Road Fuse (FR) Standby Contactor (MC) Harness Primary Transformer Fuses 1A Field Replaceable Fuse (12--00526--88) (F1,2,3 Three Phase Units -- F1 Single Phase Units) (Starting with Controller S/N 1997) Figure 1-3 Control Box 62-10630...
1.2 COMPRESSOR REFERENCE DATA Model TM 16 06VM306 06VM307 Displacement 163 cc 113 cc 130 cc No. Cylinders Weight 7 kg 37 kg 47 kg Oil Charge 250 ml 1200 ml 1200 ml Approved oil POE -- Mobil Arctic EAL 68 (Carrier Part Number 46-60002-02) 1.3 REFRIGERATION SYSTEM DATA e.
1.7 REFRIGERANT CIRCUIT DURING COOLING The evaporator tubes have aluminium fins to increase heat transfer; therefore heat is removed from the air When cooling (See Figure 1-7), the unit operates as a circulated through the evaporator. This cold air is vapor compression refrigeration system.
SECTION 2 OPERATION WARNING Beware of unannounced starting of the unit. The unit may cycle the fans and operating compressor unexpectedly as control requirements dictate. 2.1 INSPECTION 2.3 CAB COMMAND The Cab Command is mounted remote in the cab. The Before starting the truck engine or connecting standby Command consists of the green and red LED readouts, power check the following...
Keys Press to display the elapsed time (min) since the last defrost Manual defrost control key Press to return to box temperature Unit start-up key 2.3.3 Unit Operating Data LED Status After an alarm (AXX) has been present for 15 minutes, Unit shut-down key in standby or road the red unit operating data LED flashes at 3 Hz.
During start up, the evaporator motor speed in- Modify parameters. creases continuously from 0 to 2100 rpm over a 30 seconds time period. Also, the hot gas valve Validate modified settings. is energized for 40 seconds seconds. Return to display of box tempera- ture. 2.5 STOPPING NOTE...
2.8 SEQUENCE OF OPERATION General operation sequences for cooling, null, and heating are provided in the following subparagraphs. +1_C (+1.8_F) COOL 2.8.1 Perishable Mode or +2_C (+3.6_F) The unit operates in the perishable mode with set points or +3_C (+5.4_F) above 10°F (--12°C) a.
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UNIT VOLTAGE OPTIONAL ROAD HEATING KIT PS12 : unit voltage 12 V hrOF : option road heating kit not installed PS24 : unit voltage 24 V hrOn : option road heating kit installed Press the + and -- keys to change PS12 or PS24.
2.10 ALARM DISPLAY 2.10.2 Accessing Alarm Messages Current alarms will be displayed with an “A” preceding In the event of a malfunction the unit will be shut down the alarm number while past alarms will be displayed and the Cab Command will display an error message or with a “P”...
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Table 2-2 Alarm Messages - - Continued Compressor contactor (MC) open circuit Defrost cycle > 45 minutes Condenser fan motor (CFM) open circuit Setpoint adjusted out of the range Hot water solenoid valve (HWV) open --29°C/+30°C circuit Evaporator drain line heater (DWR) mal- Hot gas valve (HGS1) open circuit function Quench valve (BPV) open circuit...
SECTION 3 TROUBLESHOOTING WARNING Beware of unannounced starting of the unit. The unit may cycle the fans and operating compressor unexpectedly as control requirements dictate. To ensure unit will not start, place the EMERGENCY SWITCH (see Figure 1-1) in the OFF position. To ensure unit is without power, remove power plug and remove battery negative cable.
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Table 3-1 Alarm Indications - - Continued Reference ALARM Description CORRECTIVE ACTION Paragraph Hot Gas Valve (HGS1) Current draw of coil high or low (approx 1.6 amp) ---- hi h high amp draw Replace coil 4.14.1 Quench Valve (BPV) Current draw of coil high or low (approx 1.2 amp) ---- hi h high amp draw...
Table 3-1 Alarm Indications - - Continued Reference ALARM Description CORRECTIVE ACTION Paragraph Return Air Sensor Return air sensor defective Replace Low Battery Voltage Vehicle battery voltage low Correct Low Battery Voltage Check alternator system ---- ------ Using Road & Standby opera- If operating on road, disconnect standby power sup- ---- ------...
SECTION 4 SERVICE WARNING Beware of unannounced starting of the unit. The unit may cycle the fans and operating compressor unexpectedly as control requirements dictate. To ensure unit will not start, place the EMERGENCY SWITCH (see Figure 1-1) in the OFF position. To ensure unit is without power, remove power plug and remove battery negative cable.
4.5 CHECKING AND REPLACING FILTER-DRIER Checking filter-drier Check for any obstruction of the filter-drier by feeling the inlet and outlet connections of the liquid line on the filter cartridge. If the temperature of the outlet connection seems lower than the temperature of the inlet connection, replace the filter-drier.
f. After repairs have been made, be sure to perform a the pump, order part number 07--00176--11 and for refrigerant leak check (refer to paragraph 4.8), and the indicator order part number 07--00414--00. evacuate and dehydrate the low side (refer to para- graph 4.9.4).
Refrigerant Recovery Unit Valve Refrigerant Cylinder Vacuum Pump Evacuation Manifold Electronic Vacuum Gauge Figure 4-2. Vacuum Pump Connection g. Remove refrigerant using a refrigerant recovery sys- 4.10 CHARGING THE REFRIGERATION SYSTEM tem. 4.10.1 Checking The Refrigerant Charge h. Repeat steps e. to g. Start unit in cooling mode.
4.10.3 Adding A Partial Charge 4.12.2 Checking Pressure Switch a. Place refrigerant cylinder on scale and note weight. WARNING b. Connect charging line from the cylinder to the receiv- Do not use a nitrogen cylinder without a er valve. Purge the line at the cylinder valve. pressure regulator.
4.13 CHECKING AND REPLACING CONDENSER FAN MOTOR BRUSHES To maintain proper operation of the fan motors, the fan motor brushes should be checked periodically for cleanliness and wear . 1. Snap cap 5. Plunger assembly 2. Voltage plate 6. Valve body assembly 3.
4.15 ADJUSTING THE COMPRESSOR PRESSURE c. Place thermocouple above (parallel to) the TXV bulb REGULATING VALVE (CPR) and then secure loosened clamp making sure both bulbs are firmly secured to suction line as shown in When adjusting the compressor pressure regulating Figure 4-7.
SECTION 5 SCHEMATIC DIAGRAMS WARNING Beware of unannounced starting of the unit. The unit may cycle the fans and operating compressor unexpectedly as control requirements dictate. To ensure unit will not start, place the EMERGENCY SWITCH (see Figure 1-1) in the OFF position. To ensure unit is without power, remove power plug and remove battery negative cable.
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BASED ON DRAWING 62--60873, REVISION C MODIFIED FOR SERVICE MANUAL Figure 5-1. Schematic Diagram - - Road Only (Page 1 of 2) 62-10630...
Micro Fuse Figure 5-1. Schematic Diagram - - Road OnlY (Page 2 of 2) 62-10630...
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BASED ON DRAWING 62--60856, REVISION E MODIFIED FOR SERVICE MANUAL Figure 5-2. Schematic Diagram - - Three Phase Stand By Units (Page 1 of 2) 62-10630...
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INDEX Temperature--Pressure Chart , 4-8 SCHEMATIC DIAGRAMS, 5-1 THERMOSTATIC EXPANSION VALVE, 4-7 SEQUENCE OF OPERATION, 2-4 TROUBLESHOOTING, 3-1 TXV ORIFICE STRAINER, 4-2 SERVICE, 4-1 SET--POINT, 2-3 Standby Compressor Malfunction, 3-5 Unit Operates Long or Continuously in Cooling, 3-3 STARTING, 2-3 Unit Will Not Cool, 3-3 STOPPING, 2-3 Unit Will Not Heat or Heating Insufficient, 3-3...
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Central America North America and Mexico Carrier Transicold Ejercito Nacional No. 418 700 Olympic Drive Carrier Transicold Division, Piso 9, Torre Yumal Athens, GA 30601 USA Carrier Corporation Col. Chapultepec Morales Tel: 1- -706- -357- -7223 Truck/Trailer Products Group 11570 Mexico, D.F. Fax: 1- -706- -355- -5435 P.O.
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