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38AH054
Carrier 38AH054 Manuals
Manuals and User Guides for Carrier 38AH054. We have
2
Carrier 38AH054 manuals available for free PDF download: Installation, Start-Up And Service Instructions Manual, Installation And Service Instructions Manual
Carrier 38AH054 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
Dimensions — Units 38AH044,054,064
4
Dimensions — Units 38AH074,084
5
Dimensions — Unit 38AH094
6
Dimensions — Unit 38AH104
7
Dimensions — Unit 38AH124
8
Dimensions — Unit 38AH134
9
Units 38AH044-084 Physical Data — 50/60 Hz
10
Shipping Locations of Piping and Sheet Metal Trim Kit
12
Typical Module with Cover Panels Removed
13
Field-Installed Suction Line Loop
13
Outer View, Compressor Mounting
13
Liquid Lift
14
Step 3 - Make Refrigerant Piping Connections
14
Double Suction Riser Construction
15
Refrigerant Piping Requirements
16
Refrigerant Piping Requirements for Double Suction Risers
16
Refrigerant Piping Requirements, 38AH044-104 Dual-Circuit Units
17
Electrical Data — 50/60 Hz (38AH044-084 Dual-Circuit Units)
23
Field Power Connections
23
Power Supply
23
Step 4 - Make Electrical Connections
23
Electrical Data — 50/60 Hz (Units 38AH094,104)
25
Electrical Data — 50/60 Hz (Units 38AH124, 134)
26
Fan Motor Electrical Data
27
System Check
37
Main Power Connection and Control Circuit Wiring
37
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
Remove Oil
39
Preliminary Charge
39
Start Unit
39
Adjust Refrigerant Charge
39
Index of Lead/Lag Circuits and Compressors
40
Final Checks
40
Check Compressor Oil Level
40
Charging Chart — Unit 38AH044; 50/60 Hz — Dual Circuit
41
Charging Chart — Unit 38AH054; 50/60 Hz — Dual Circuit
41
Charging Chart — Unit 38AH064; 50/60 Hz — Dual Circuit
42
Charging Chart — Unit 38AH074; 50/60 Hz — Dual Circuit
42
Charging Chart — Unit 38AH084; 50/60 Hz — Dual Circuit
43
Charging Chart — Unit 38AH044; 50/60 Hz — Optional Single Circuit
43
Charging Chart — Unit 38AH054; 50/60 Hz — Optional Single Circuit
43
With Unit Running
46
Charging with Unit Off/Evacuated
46
Compressor Motor Protection
46
Head Pressure Control
46
Refrigerant Circuit
46
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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Carrier 38AH054 Installation And Service Instructions Manual (56 pages)
Air-Cooled Condensing Units 50/60 Hz
Brand:
Carrier
| Category:
Heat Pump
| Size: 3.87 MB
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