Name: Carrier SUPRA 850Mt
Brand: Carrier
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Carrier TranCarrier Tran

sicold Division, Carrier Corporatiosicold Division, Carrier Corporatio

n, P.O. Box 4805, Syracuse, N.Y. 13221 n, P.O. Box 4805, Syracuse, N.Y. 13221

U. S. U. S.

A.A.

OPERATION ANDOPERATION AND

SERVICE MANUALSERVICE MANUAL

TRUCK REFRIGERATION UNITTRUCK REFRIGERATION UNIT

SUPRASUPRA

750Mt750Mt

©©

Carrier Refrigeration Operation 2004Carrier Refrigeration Operation 2004

Printed in FrancPrinted in Franc

e 03-04 / 62-e 03-04 / 62-

-611XX--611XX-

-20-20

Carrier Transicold EurCarrier Transicold Eur

ope -ope -

- 10, Bd de l’O- 10, Bd de l’O

ise -ise -

- 95031 Cergy - 95031 Cergy

Pontoise Cédex Pontoise Cédex

- FRAN- FRAN

CECE

, 850Mt, 850Mt

, 950Mt, 950Mt

Table of Contents5
Table 2-1 Condensers Model Chart14
Table 2-2 Evaporators Model Chart14
Table 2-3 Evaporators Designation14
Figure 2-1 Supra 750Mt _ / 850Mt15
Figure 2-2 Supra 950Mt17
Figure 2-3 Evaporator MTS Model19
Figure 2-4 Evaporator MTD Model20
Figure 2-5 Electrical Box21
Figure 2-6 Control Relay Board View22
Table 2-4 Safety Devices26
Figure 2-7 Cab Command27
Table 2-5 Function Parameters30
Table 2-7 Unit Data Codes32
Table 2-8 Alarm Display33
Figure 2-8 Auto Start Sequence37
Table 2-10 Battery Voltages38
Figure 2-9 Main Heat Valves - - no and NC38
Figure 2-10 Hot Gas & Liquid Suction Valves - - NC39
Figure 2-11 Accumulator39
Figure 2-13 Compressor Cylinder Heat Unloader Hot Gas Bypass40
Figure 2-14 Compressor Cylinder Head Loader Hot Gas Bypass41
Figure 2-15 50 Amp Alternator and Regulator42
Figure 2-16 Generator and Connection in Control Box42
Use of Diagnosis Connection of Control Box (See Figure 2-16)42
Refrigerant Circuit44
- Heat and Defrost Mode45
- Figure 2-17 Cooling Cycle46
- Operation48
- Operation with Auxiliary Control Panel50
Control Circuit Operation52
- Table 3-11 Relay Operation - - Microprocessor Controller53
- Relay Operation55
- Figure 3-1 Temperature Controller Operating Sequence (Perishable Range)56
- Figure 3-2 Temperature Controller Operating Sequence "Lead" Evaporator56
- Figure 3-3 Temperature Controller Operating Sequence (Frozen Range)57
- Figure 3-4 Temperature Controller Operating Sequence "Lead" Evaporator57
- Service58
Description of Service Requirements59
Servicing Engine Related Components60
Figure 4-1 Cooling Circuit60
Figure 4-2 Fuel Filter and Fuel Circuit61
Changing Lube Oil and Lube Oil Filters61
Figure 4-3 Speed and Run Control Solenoids62
Replacing Solenoids (Figure 4-3)62
Engine Air Cleaner63
Figure 4-4 Electric Fuel Pump63
Servicing Glow Plugs64
Figure 4-6 V-Belt Arrangement65
Belt Tension Gauge65
Table 4-1 Belt Tension65
Figure 4-5 Electronic Belt Tension Meter (Part No. 07-60098--00)65
Alternator V-Belt66
Evacuation and Dehydration67
Figure 4-7 Dual Vacuum Pump Connections68
Charging the Refrigerant System68
Figure 4-8 Compressors69
Replacing the Compressor69
Figure 4-9 Unloader Solenoid Valve71
Checking and Replacing Filter-Drier71
Evaporator Coil73
Microprocessor75
Table 4-2 Connection Point Voltage75
Table 4-3 Microprocessor Configuration76
Table 4-4 Sensor Resistance (ATS, DTS, CDT, RAS, SAS & WTS)77
Controller Sensor Checkout77
Table 4-5 R-404A Temperature-Pressure Chart78
Suction Pressure Transducer78
Troubleshooting79
Engine Starts then Stops80
Alternator (Automotive Type)81
Unit Operates Long or Continuously in Cooling82
- Abnormal Noise83
- Figure 4-11 Compressor Pressure Regulating Valve83
- No Evaporator Air Flow Restricted Air Flow84
Standby Motor Malfunction85
Extract from Material Safety Data Bulletin86
Forane R404A88
Electrical Schematic Wiring Diagram91

Carrier SUPRA 850Mt User Manual

Table of Contents

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Carrier SUPRA 850Mt Specifications

Related product manuals

Brand	Carrier
Model	SUPRA 850Mt
Category	Refrigerator
Language	English