Carrier 48HC 28 Manuals

Manuals and User Guides for Carrier 48HC 28. We have 1 Carrier 48HC 28 manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier 48HC 28 Installation, Start-Up And Service Instructions Manual (84 pages)

Variable Frequency Drive (VFD) Factory-Installed Option 2-Speed Motor Control for 2-Stage Cooling Rooftop Units

Brand: Carrier | Category: Air Conditioner Accessories | Size: 12 MB

Table of Contents
1
Safety Considerations
1
General
2
Staged Air Volume (SAV™)  Indoor Fan Speed System
2
Identifying Factory Option
2
Unit Installation with SAV Option
3
Pre-Start Check, SAV™ Option
5
Start-Up, Sav™ Option
16
Compressor Rotation
16
Indoor Fan Motor
16
Cooling with SAV
16
Operating Sequences, SAV Option
16
Cooling (FAN Switch in AUTO)
16
Heating
16
Operating Fan for Test and Balance
17
Service
18
SAV™ Option Components
18
Fan Speed Relay Board
18
Configuration Jumpers
18
Variable Frequency Drive
18
Central Terminal Board Jumpers
20
- (48/50 Series Only)
  20
VFD Fuses
21
Control and Power Wiring Diagrams
22
Vfd Alarms and Faults Troubleshooting
29
Alarms
29
Faults
29
Vfd Maintenance
30
Heat Sink Cleaning
30
Fan Replacement
31
Bypass the VFD
33
Vfd Parameters
35
- With I/O Flex Controls
  55
Vfd Remote Keypad
63
ACH550/ACS320 Operation with Remote Keypad
63
ACH550/ACS320 VFD Modes
63
History
65
ACH550/ACS320 VFD Diagnostics
65
Correcting Faults
65
Reset after Using Start-Up Assistant
68
ACH580 Operation with Remote Keypad
69
ACH580 VFD Modes
70
ACH580 VFD Diagnostics
72
All Ach580, Ach550 and Ach320 Keypads
75
Control Panel Cleaning
75
Battery Replacement
75
VFD Remote Keypad Parameters
75

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Carrier 48HC 28 Manuals

Carrier 48HC 28 Installation, Start-Up And Service Instructions Manual (84 pages)

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