Carrier 38AUQ12 Manuals

Manuals and User Guides for Carrier 38AUQ12. We have 1 Carrier 38AUQ12 manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier 38AUQ12 Installation, Start-Up And Service Instructions Manual

Carrier 38AUQ12 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: 3.55 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
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
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
- Commercial Defrost Board
  22
- Crankcase Heater
  22
- Compressor Protection
  22
- Compressor 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
  - Motormaster Sensor Locations
    34
Appendix C
34
Start-Up Checklist
35

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