Carrier 38AU Manuals

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

Carrier 38AU Installation, Start-Up And Service Instructions Manual (56 pages)

Air Cooled Condensing Units 60 Hz With PuronR (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 6.14 MB

Table of Contents
1
Safety Considerations
2
Installation Guidelines
2
- Replacement/Retrofit - R- -22 to Puron
  2
Installation
11
Pre-Start-Up
23
- System Check
  23
- Turn on Crankcase Heater
  23
- Preliminary Charge
  23
Start-Up
23
- Preliminary Checks
  23
- Start Unit
  24
Operating Sequence
32
- Indoor (Supply) Fan
  32
- Cooling, Unit Without Economizer
  32
- Cooling, Unit with Economizer
  32
- Heating
  32
Routine System Maintenance
33
- Quarterly Inspection (and 30 Days after Initial Start)
  33
- Seasonal Maintenance
  33
Service
33
- Refrigeration System
  33
- Compressor Oil
  33
- Servicing Systems on Roofs with Synthetic Materials
  33
- Liquid Line Filter Drier
  34
- Field Refrigerant Access Ports
  34
- Factory High-Flow Access Ports
  34
- Comfort Alert Diagnostic Module
  35
- Compressor Protection
  37
- Crankcase Heater
  37
- Low-Pressure Switch
  37
- High- - Pressure Switch
  37
- Outdoor Fans
  37
- Lubrication
  37
- Coil Type Identification
  42
- Novationtcoil Cleaning and Maintenance
  42
- Repairing NOVATION Condenser Tube Leaks
  42
- Replacing NOVATION Condenser Coil
  43
- Routine Cleaning of Round-Tube Plate Fin (RTPF) Coils
  43
- Service
  44
- Fastener Torque Values
  44
Troubleshooting
45
Appendix A
46
Air Conditioner & Heat Pump with Puron
46
Quick Reference Guide
46
Appendix B
47
Appendix C
47
Low Ambient Option - Factory Installed
47
- Outdoor Unit
  55
- Indoor Unit
  55
Start-Up Checklist
55

Carrier 38AU Installation, Start-Up And Service Instructions Manual (56 pages)

Air-Cooled Condensing Units with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Heat Pump | Size: 4.81 MB

Table of Contents
1
Safety Considerations
1
Installation Guidelines
2
Replacement/Retrofit
2
- R-22 to Puron Refrigerant
  2
Rated Indoor Airflow (Cfm)
2
Identify Factory Options
3
Matching 38AU Model to Evaporator Coil
3
General
3
Installation
6
Jobsite Survey
6
Step 1 - Plan for Unit Location
6
Step 2 - Complete Pre-Installation Checks
7
Step 3 - Prepare Unit Mounting Support
7
Step 4 - Rig and Mount the Unit
7
Step 5 - Determine Refrigerant Line Sizes
7
Suction Riser
10
Step 6 - Complete Refrigerant Piping
10
- Connections
  10
Step 7 - Install Accessories
13
Step 8 - Complete Electrical Connections
14
Step 9 - Wind Baffles for Low Ambient Control
20
Pre-Start-Up
20
System Check
20
Turn on Crankcase Heater
20
Preliminary Charge
20
Start-Up
20
Preliminary Checks
20
Start Unit
21
Operating Sequence
29
Base Unit Controls
29
38AUDC with SVR Relays
30
All Units
30
Maintenance
31
Quarterly Inspection (and 30 Days after Initial Start)
31
Seasonal Maintenance
31
Service
31
Refrigeration System
31
Comfort Alert Diagnostic Module
33
Compressor Protection
35
Fastener Torque Values
36
Troubleshooting
36
Appendix A - Air Conditioner and Heat Pump with Puron - Quick Reference Guide
38
Appendix B - Wiring Diagrams
38
Appendix C - Low Ambient Option
50
Start-Up Checklist
55

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

Air-Cooled Condensing Units 60 Hz with Puron (R-410A) Refrigerant Sizes 07 – 14

Brand: Carrier | Category: Air Conditioner | Size: 2.34 MB

Table of Contents
1
Safety Considerations
1
Installation Guidelines
2
Installation
2
Step 1 - Plan for Unit Location
9
Step 2 - Complete Pre-Installation Checks
9
Step 3 - Prepare Unit Mounting Support
9
Step 4 - Rig and Mount the Unit
9
Step 5 - Complete Refrigerant Piping Connections
9
Step 6 - Install Accessories
11
Step 7 - Complete Electrical Connections
12
Pre-Start-Up
17
System Check
17
Turn on Crankcase Heater
17
Preliminary Charge
17
Start-Up
17
38AU Units
17
Operating Sequence
24
Indoor (Supply) Fan
24
Cooling, Unit Without Economizer
24
Cooling, Unit with Economizer
24
Heating
24
Routine System Maintenance
24
Quarterly Inspection (and 30 Days after Initial Start)
24
Seasonal Maintenance
24
Service
25
Comfort Alert Diagnostic Module
25
Crankcase Heater
27
Compressor Protection
27
Low-Pressure Switches
27
High-Pressure Switches
27
Outdoor Fans
27
Lubrication
27
NOVATION™ Coil Cleaning and Maintenance
28
Repairing NOVATION Condenser Tube Leaks
28
Replacing NOVATION Condenser Coil
28
Field Refrigerant Access Ports
28
Factory High-Flow Access Ports
28
Fastener Torque Values
29
Troubleshooting
30
Appendix
32
Air Conditioner and Heat Pump with Puron® - Quick Reference Guide
32
Start-Up Checklist
35

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

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