Carrier 38AH044-084 Manuals

Manuals and User Guides for Carrier 38AH044-084. We have 1 Carrier 38AH044-084 manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier 38AH044-084 Installation, Start-Up And Service Instructions Manual

Carrier 38AH044-084 Installation, Start-Up And Service Instructions Manual (57 pages)

Air-Cooled Condensing Units 50/60 Hz

Brand: Carrier | Category: Air Conditioner | Size: 2.62 MB

Table of Contents

Safety Considerations
1
- Table of Contents
  1
- Domestic Units
  1
- Export Units
  1
Installation
1
Step 1 - Rig and Place Unit
1
- Rigging Center of Gravity
  2
- Top View, Typical
  3
Step 2 - Check Compressor Mounting
3
Step 3 - Make Refrigerant Piping Connections
14
Step 4 - Make Electrical Connections
23
Step 5 - Install Accessories
37
- Low-Ambient Operation
  37
Pre-Start-Up
37
- Preliminary Checks
  38
- Preliminary Oil Charge
  38
- Add Oil
  38
Start-Up
38
Service
46
- Capacity Control
  47
- Low-Pressure Switch
  47
- Pressure Relief
  47
- Unloader Location and Settings
  47
- Control Set Point
  48
- Pressure Differential
  48
- Sequence of Operation
  49
- Timer Functions
  49
- Control Circuit Reset
  49
Control
49
- Restart after Stoppage by Safety Control
  50
- Independent Refrigerant Circuit Controls
  50
- Unit Control Box
  50
- Condenser Fans
  50
- Condenser Fan Adjustment
  51
- Compressor Removal
  52
- Compressor Replacement
  52
- Oil Charge
  52
- Compressor Cycles on Low-Pressure Switch
  53
- Compressor Does Not Run
  53
- Compressor Stops on High-Pressure Switch
  53
Troubleshooting
53
- Compressor Stops on Oil Pressure Switch
  54
- Compressor Running but Cooling Insufficient
  54
- Unit Operates too Long or Continuously
  54
- System Is Noisy
  54
- Tab 3A
  54
- Troubleshooting
  54
Start-Up Checklist
55

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