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Paccar SmartAir eHVAC System Manuals
Manuals and User Guides for Paccar SmartAir eHVAC System. We have
1
Paccar SmartAir eHVAC System manual available for free PDF download: Service Manual
Paccar SmartAir eHVAC System Service Manual (40 pages)
Brand:
Paccar
| Category:
Controller
| Size: 2 MB
Table of Contents
Table of Contents
2
General Safey Instructions
5
Warnings, Cautions, and Notes
5
Precautions for Working with Hfc134A (R134A) Refrigerant and Polyvinyl Ether (PVE) Refrigerant Oil
5
Important Safety Notices
6
External Component Identification and Location
8
Fuses
8
Figure 1. Fuses and Relays
8
Figure 2. Fuses and Relays (Units Built 8/1/2016 to Present)
8
Relays
9
Fan and Temperature Control Display LED Display
9
System and Compressor Controller
9
Figure 3. Fan and Temperature Control Display
9
Figure 4. System and Compressor Controller
9
Linear Power Module
10
Discharge Temperature Sensor - Freeze Switch
10
Evaporator Blower
10
Condenser Fan
10
Battery Management System (BMS)
10
Battery Separator
10
Figure 5. Linear Power Module
10
Figure 6. Discharge Temperature Sensor
10
Figure 7. Evaporator Blower and Condenser Fan
10
Figure 8. Battery Management System
10
Figure 9. Battery Separator Solenoid, Located in the Battery Box
11
Internal Components
12
High Pressure Switch
12
Compressor
12
Thermal Limit Switch on Compressor
12
Evaporator Inlet Filter
12
Figure 10. High Pressure Switch
12
Figure 11. Compressor
12
Figure 12. Thermal Limit Switch on Compressor
12
Figure 13. Evaporator Inlet Filter
12
Figure 17. Internal Wiring Diagram (before 8/1/2016)
13
Figure 18. External Wiring Diagram
13
A/C System Diagnostic
13
ESPAR Heating System Diagnostic Table
16
Appendix
18
Battery Condition and Performance
18
Fan and Temperature Control Display
18
Relay Testing
18
Pressure Switch Testing
18
Check Continuity Across Fuse Body
19
Discharge Temperature Sensor/Freeze Switch Testing
19
Compressor Thermal Limit Switch
19
Main Controller/Compressor Controller
19
Condenser Fan Motor Testing
20
Evaporator Blower Motor and Linear Power Module Testing
20
Compressor Rubber Mounts
20
Testing the Battery Management System (BMS)
21
Can Bus
22
Testing the Espar Heater Connected to the EHVAC Digital Controller
22
Connecting the System
23
Figure 15. Service Equipment
23
Evacuating the System
24
Figure 16. Service Recovery Connections
24
Charging the EHVAC System
25
Figure 19. Wiring Diagram (8/1/2016 to Present)
30
Service Instructions for Ring Terminal / Controller and Compressor
33
Operation
37
Figure 24
37
Figure 21. Changing Mode
37
Figure 22. Changing Blower Speeds
37
Figure 23. Changing Temperature
37
Figure 25
38
Figure 24. View System Runtime/Hours
38
Figure 25. Change from °F to °C
38
Figure 26. Enter Service Mode
39
Figure 27. Service Screens
40
Figure 28. EHVAC Filter
40
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