Carrier VECTOR 1800 MT - Figure 4-4. Start-Stop - Temperature Control Operating Sequence - Perishable Range; Figure 4-5. Start-Stop - Temperature Control Operating Sequence

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62-11039 4-14

+1.8_F(+1.0_C)

+0.9_F(+0.5_C)

Setpoint

FALLING

TEMPERAT URE

RISING

TEMPERAT URE

-- 0 . 9 _F(--0.5_C)

-- 1 . 8 _F(--1.0_C)

High Speed

6 Cylinder Cool

Low Speed

6 Cylinder Cool

High Speed

6 Cylinder Heat

+2.7_F(+1.5_C)

-- 2 . 7 _F(--1.5_C)

+3.6_F(+2.0_C)

-- 3 . 6 _F(--2.0_C)

High Speed

6 Cylinder Cool

High Speed

6 Cylinder Heat

Low Speed

6 Cylinder Heat

UNIT OFF

STOP

UNIT OFF

STOP

CSMV CONTROLCSMV -- 0%

CSMV

-- 100%

CSMV -- 0%CSMV -- 100%

SMV

CONTROL

Figure 4 --4.Start --Stop -- Temperature Control Operating Sequence -- Perishable Range

+1.8_F(+1.0_C)

+0.9_F(+0.5_C)

Setpoint

FALLING

TEMPERAT URE

RISING

TEMPERAT URE

-- 0 . 9 _F(--0.5_C)

-- 1 . 8 _F(--1.0_C)

High Speed

6 Cylinder Cool

+2.7_F(+1.5_C)

-- 2 . 7 _F(--1.5_C)

+3.6_F(+2.0_C)

-- 3 . 6 _F(--2.0_C)

High Speed

6 Cylinder Cool

UNIT OFF

STOP

UNIT OFF

STOP

CSMV -- 0%

SMV

CONTROL

CSMV -- 0%

CSMV CONTROL

Figure 4 --5.Start --Stop -- Temperature Control Operating Sequence -- Frozen Range

Main Page

Table of Contents13
Table 2-1. Model Chart22
Table 2-2. Compartment Configurations22
Table 2-3. Additional Support Manuals23
Figure 2-1. Front View24
Figure 2-2. Front View25
Figure 2-3 Evaporator Section -- Grille Removed26
Figure 2-4 Control Box27
Figure 2-5. Compressor Cylinder Head Unloaded29
Figure 2-6. Compressor Cylinder Head Loaded30
Figure 2-7. Control Module34
Table 2-4. Field Effect Transistors35
Figure 2-8. Display and Keypad36
Figure 2-9. OGF Module39
Figure 2-10. PRM Phase Reversal Module39
Table 2-5. Engine Data41
Table 2-6. Compressor Data42
Table 2-7. Component Resistance & Current Draw44
Figure 2-11. Refrigerant Circuit All Compartments Cooling46
Figure 2-12. Refrigerant Circuit -- Compartment One Cooling, Compartments 2 & 3 Heating47
Figure 2-13. Refrigerant Circuit -- Compartments One and Two Cooling, Compartment 3 Heating48
Figure 2-14. Refrigerant Circuit -- Compartments One and Three Cooling, Compartment 2 Heating49
Figure 2-15. Refrigerant Circuit -- All Compartments Heating50
Table 3-1. Unit Data69
Table 3-2. Functional Parameters74
Figure 4--1 Auto Start Sequence88
Table 4-1. Glow Time89
Table 4-2 Battery Voltages89
Figure 4--2. Continuous Run Temperature Control Operating Sequence -- Frozen Range100
Figure 4--3. Start--Stop -- Temperature Control Operating Sequence -- Perishable Range100
Figure 4--4. Start--Stop -- Temperature Control Operating Sequence -- Perishable Range101
Figure 4--5. Start--Stop -- Temperature Control Operating Sequence -- Frozen Range101
Figure 4--6. Evaporator Pressure Chart104
Figure 4--7. Refrigeration System Suction Pressures Unloading (Heat and Defrost Only)105
Figure 8--1. Priming Fuel Pump257
Figure 8--2. Mechanical Fuel Pump258
Figure 8--3. Electric Fuel Pump (Optional)258
Figure 8--4. Fuel Level Sensor Wiring259
Figure 8--5. Fuel System Diagram261
Figure 8--6. Lube Oil Flow Diagram261
Figure 8--7. Speed Control Solenoid262
Figure 8--8. Engine Crankcase Breather262
Table 8-2. Blower Wheels Identification264
Figure 8--10. Evaporator Fan Bolts265
Figure 8--11. Battery Charger265
Figure 8--19 Generator Assy269
Figure 8--20 Bolt Hole Pattern for Bell Housing and Crankshaft270
Figure 8--21. Vacuum Pump Connection273
Figure 8--23 Exploded View of Valve Plate276
Figure 8--24 Suction Valve & Positioning Springs276
Figure 8--25 Compressor Oil Pump End View277
Figure 8--26 Oil Level in Sight Glass278
Table 8-3 Compressor Torque Values278
Figure 8--27 Unloader Solenoid Valve279
Figure 8--28. Solenoid Coil Replacement279
Figure 8--29 Electronic Expansion Valve280
Figure 8--30 Electronic Expansion Valve281
Figure 8--31. Thermostatic Expansion Valve Bulb and Thermocouple282
Figure 8--32. Typical Setup for Testing High Pressure Switch283
Figure 8--33. Pressure Transducer Values283
Table 8-4 Suction and Discharge Pressure Transducer Voltages283
Table 8-5. Compressor Discharge Pressure Transducer284
Table 8-6. Compressor Suction Pressure Transducer285
Figure 8--34 Suction Modulation Valve (CSMV)286
Figure 8--35 CSMV Coil (Bi--Polar Design)287
Figure 8--36 Defrost Air Switch Test Setup289
Table 8-8. Sensor Resistance (ATT, 1RAT, 2RAT, 3RAT, 1SAT, ENCT, EVOT, CST, 1DTT, 2DTT)290
Table 8-9. Sensor Resistance (CDT)291
Table 8-10. Temperature Pressure Chart293

Carrier VECTOR 1800 MT - Figure 4-4. Start-Stop - Temperature Control Operating Sequence - Perishable Range; Figure 4-5. Start-Stop - Temperature Control Operating Sequence - Frozen Range

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