Carrier 38AUQ Manuals

Manuals and User Guides for Carrier 38AUQ. We have 3 Carrier 38AUQ manuals available for free PDF download: Installation And Service Instructions Manual, Installation, Start-Up And Service Instructions Manual

Carrier 38AUQ Installation, Start-Up And Service Instructions Manual (36 pages)

Heat Pump Condensing Units 60 Hz with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Heat Pump | Size: 3 MB

Table of Contents
1
Safety Considerations
1
Cut Hazard
2
Installation Guidelines
2
Installation
2
Pre-Start-Up
15
- System Check
  15
- Turn on Crankcase Heater
  15
- Preliminary Charge
  15
Start-Up
15
- 38AUQ Units
  15
  - Adjust Refrigerant Charge
    16
  - Final Checks
    16
  - Start Unit
    16
Operating Sequence
19
- Indoor (Supply) Fan
  19
- Cooling Unit Without Economizer
  19
- Cooling, Unit with Economizer
  19
- Heating
  19
- Supplemental Heating/Emergency Heating
  19
- Defrost Cycle
  19
- Cooling and Heating Shutdown
  19
Routine System Maintenance
20
- Quarterly Inspection (and 30 Days after Initial Start)
  20
Service
20
- Refrigeration System
  20
- Compressor Oil
  20
- Servicing Systems on Roofs with
  20
- Synthetic Materials
  20
- Liquid Line Filter Drier
  21
- Filed Refrigerant Access Ports
  21
- Outdoor Coil Metering Devices
  21
- Refrigerant System Pressure Access Ports
  21
- Heat Pump Controls
  22
- Compressor Protection
  22
- Commercial Defrost Board
  22
- Crankcase Heater
  22
  - Commercial Defrost Control
    22
  - Compressor Control
    23
  - Reversing Valve Control
    23
- Comfort Alert Diagnostic Module
  28
- Lubrication
  30
- Outdoor Coil Maintenance and Cleaning Recommendations
  30
- Service Parts
  31
- Fastener Torque Values
  31
- Start-Up
  32
Troubleshooting
32
- Low-Pressure Switches
  33
- Air Conditioner and Heat Pump with Puron Quick Reference Guide
  33
  - Wiring Diagram List
    33
Appendix C
34
- Motormaster Sensor Locations
  34
- Preliminary Information
  35
Start-Up Checklist
35

Carrier 38AUQ Installation And Service Instructions Manual (52 pages)

Heat Pump Condensing Units

Brand: Carrier | Category: Heat Pump | Size: 4 MB

Table of Contents
1
Safety Considerations
2
Installation Guidelines
3
Rated Indoor Airflow (Cfm)
3
Installation
7
Step 1 - Plan for Unit Location
7
Step 2 - Complete Pre-Installation Checks
8
Step 3 - Prepare Unit Mounting Support
8
Step 4 - Rig and Mount the Unit
8
Step 5 - Complete Refrigerant Piping Connections
8
Step 6 - Install Accessories
12
Step 7 - Complete Electrical Connections
12
Step 8 - Wind Baffles for Low Ambient Control
17
Pre-Start-Up
18
System Checks
18
Turn on Crankcase Heaters
18
Preliminary Charge
18
Start-Up
18
38AUQ Units
18
Operating Sequence
28
Indoor (Supply) Fan
28
Cooling Unit Without Economizer
28
Single Stage Units
28
Two- - Stage Units
28
Cooling Unit with Economizer
28
Fan Cycling
29
Defrost Cycle
29
Supplemental Heating/Emergency Heating
29
Cooling and Heating Shutdown
29
Routine System Maintenance
30
Quarterly Inspection (and 30 Days after Initial Start)
30
Service
31
Refrigeration System
31
Compressor Oil
31
Servicing Systems on Roofs with Synthetic Materials
31
Liquid Line Filter Driers
31
Filed Refrigerant Access Ports
31
Outdoor Coil Metering Devices
31
Refrigerant System Pressure Access Ports
32
Compressor Protection
32
Crankcase Heater
32
Commercial Defrost Board
32
Comfort Alert Diagnostic Module
40
Lubrication
42
Outdoor Coil Maintenance and Cleaning Recommendations
42
Service Parts
44
Fastener Torque Values
44
Troubleshooting
45
Air Conditioner and Heat Pump with Puron R
46
Quick Reference Guide
46
APPENDIX B Wiring Diagram List
46
Low Ambient Option - Factory Installed
47
Start up Checklist
51

Carrier 38AUQ Installation, Start-Up And Service Instructions Manual (44 pages)

heat pump condensing unit

Brand: Carrier | Category: Heat Pump | Size: 4 MB

Table of Contents
1
Checks
8
Support
8
Piping Connections
11
Outdoor
11
Connections
12
Outdoor
21
Heating
22
Refrigerant System Pressure Access Ports
24
Compressor Protection
24
Crankcase Heater
24
Lubrication
33
Parts
35
Torque Values
35
Troubleshooting
36
- Appendix A
  37
- Appendix B
  37
Wiring Diagram List
37
APPENDIX C Low Ambient Option -- Factory
38
Installed
38

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