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38AH024-034
Carrier 38AH024-034 Manuals
Manuals and User Guides for Carrier 38AH024-034. We have
1
Carrier 38AH024-034 manual available for free PDF download: Installation, Start-Up And Service Instructions Manual
Carrier 38AH024-034 Installation, Start-Up And Service Instructions Manual (27 pages)
Air-Cooled Condensing Units
Brand:
Carrier
| Category:
Air Conditioner
| Size: 2.04 MB
Table of Contents
Contents
1
Safety Considerations
1
Before Installation
1
Rigging
1
Notice to Riggers
2
Rigging Label
2
Physical Data
3
Installation
5
Mounting Unit
5
Compressor Mounting
5
Refrigerant Piping Connections
5
Refrigerant Piping Sizes
6
Single Suction Risers
6
Double Suction Risers
6
Maximum Liquid Lift Per Circuit
6
Safety Relief
7
General Wiring Notes
7
Field Connections
7
Power Supply
7
Electrical Data
8
Unbalanced 3-Phase Supply Voltage
8
Dimensional Drawing
9
Typical Wiring Schematic
10
Pre-Start-Up
14
Start-Up
14
System Check
14
Preliminary Checks
14
Adjust Refrigerant Charge
15
Check Compressor Oil Level
15
Timer Sequence Chart
16
Sequence of Operation
17
Single Air Handler,2-Stage Cool Thermostat
17
Two Air Handlers
17
Restart
17
Service
18
Access for Servicing
18
Fan Adjustment
18
Liquid Shutoff/Charging Valve
18
38AH Unit with Access Panels Removed
19
Winter Start Control
20
Head Pressure Control
20
Capacity Control Valve
20
Fan Cycling Controls
20
Troubleshooting
21
Compressor Does Not Run
21
Compressor Cycles on Low-Pressure Switch
21
Compressor Stops on Oil Pressure Switch
22
Compressor Running but Cooling Insufficient
22
Unit Operates too Long or Continuously
23
System Is Noisy
23
Compressor Loses Oil
23
Hot Liquid Line
23
Start-Up Checklist
24
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