Carrier 40 - Figure 1-3 Control Box

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1-3

62-10630

SINGLE PHASE UNITSTHREE PHASE UNITS

LOGIC BOARD

1. Microprocessor

2. Standby Fuse (FS)

3. Road Fuse (FR)

4. Harness

5 1A Field Replaceable Fuse (12--00526--88)

(Starting with Controller S/N 1997)

6. Fused Disconnect (FB) -- Three Phase Only

7. Electronic Overload Relay (KR)

8. Standby Contactor (MC)

9. Primary T ransformer Fuses

(F1,2,3 Three Phase Units -- F1 Single Phase Units)

Figure 1-3 Control Box

Main Page

First Aid3
Operating Precautions3
Maintenance Precautions3
Specific Warning and Caution Statements3
Safety Summary3
Table of Contents5
Description8
Introduction8
Figure 1-1 Integra 50S8
Table 1-1 Model Chart8
Figure 1-2 Condenser9
Figure 1-3 Control Box10
Figure 1-4 Start Box (Single Phase Only)11
Figure 1-5 Evaporator 3 Fans (Integra 50S)12
Figure 1-6 Evaporator 2 Fans (Integra 40S)13
Compressor Reference Data14
Refrigeration System Data14
Electrical Data14
Torque Values15
Table 1-2 Fuses15
Safety Devices16
Table 1-3 Safety Devices -- Microprocessor Controller16
Refrigerant Circuit During Cooling17
Refrigerant Circuit During Heat and Defrost17
Figure 1-7 Cooling Cycle18
Figure 1-8 Heat/Defrost Cycle19
Operation20
Inspection20
Connect Power20
Cab Command20
Keypad20
Figure 2-1 Cab Command20
Additional Key Functions21
Unit Operating Data LED Status21
Digital Display21
Starting22
Stopping22
Set-Point Adjustment22
Defrost Cycle Adjustment22
Sequence of Operation23
Perishable Mode23
Frozen Mode23
Configuration23
Figure 2-2 Operating Sequence -- Perishable Mode23
Figure 2-3 Configuration Button23
Alarm Display25
Low Battery Voltage Alarm25
Accessing Alarm Messages25
Clearing Alarm Messages25
Table 2-1 Error Messages25
Table 2-2 Alarm Messages25
Troubleshooting27
Introduction27
Table 3-1 Alarm Indications27
Refrigeration29
Unit will Not Cool29
Unit Runs but Has Insufficient Cooling29
Defrost Malfunction29
Abnormal Pressure29
Table 3-2 Mechanical Indications29
Abnormal Pressure30
Cooling30
Expansion Valve31
Table 4-1 Preventive Maintenance Schedule32
Table 4-2 Service Category Descriptions32
Service32
Figure 4-1. Belt Tension Gauge33
Evaporator Coil Cleaning33
Refrigerant Leak Checking34
Figure 4-2. Vacuum Pump Connection35
Charging the Refrigeration System35
Figure 4-3. Typical Setup for Testing Pressure Switches HP1, HP2 and HP336
Adding a Partial Charge36
Figure 4-4. Fan Motor Brushes37
Figure 4-5. Hot Gas or Condenser Pressure Control Solenoid37
Figure 4-6. Compressor Pressure Regulating Valve37
Checking and Replacing Condenser Fan Motor Brushes37
Figure 4-7 Thermostatic Expansion Valve Bulb and Thermocouple38
Adjusting the Compressor Pressure Regulating Valve (Cpr)38
Table 4-3 R-404A Temperature--Pressure Chart39
Schematic Diagrams40
Figure 5-1 Schematic Diagram -- Road Only42
Figure 5-2 Schematic Diagram -- Three Phase Stand by Units44
Figure 5-3 Schematic Diagram -- Single Phase Stand by Units46

Carrier 40 - Figure 1-3 Control Box

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