Carrier 48HG016 Manuals

Manuals and User Guides for Carrier 48HG016. We have 1 Carrier 48HG016 manual available for free PDF download: Controls Operation And Troubleshooting

Carrier 48HG016 Controls Operation And Troubleshooting

Carrier 48HG016 Controls Operation And Troubleshooting (56 pages)

Single Package Large Rooftop Units with ComfortLink Controls

Brand: Carrier | Category: Air Conditioner | Size: 2.05 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
General
1
Major System Components
1
Main Base Board (MBB)
1
Red Led
2
- Green Led
  2
- Yellow Led
  2
Economizer Control Board (ECB)
2
Scrolling Marquee Display
2
Board Addresses
2
Control Module Communication
2
Carrier Comfort Network Interface
2
Field-Installed Accessories
2
- Space Temperature Sensor (T55)
  10
- Space Temperature Sensor Calibration
  11
- Power Exhaust
  11
- Indoor Air Quality
  11
- Smoke Detector
  11
- Filter Status
  11
- Fan Status
  11
- Enthalpy Sensors
  11
Controls and Functions
11
Marquee Display Usage
11
Clearing Unit Alarms
11
Service Test
12
Operation
26
Unit Control Type (U.CTL)
26
Occupancy Determination
26
Indoor Fan
26
Outdoor Fans
27
Economizer
27
Indoor Air Quality (IAQ)
27
Power Exhaust
28
Compressor Staging
28
Heating (48HG Units)
28
- Thermostat Control
  28
- Space Sensor Control
  29
Heating (50HG Units)
29
- Thermostat Control
  30
- Space Sensor Control
  30
Cooling
30
Space Temperature Sensor Calibration
31
- And Trim
  31
Alarm Handling
31
Troubleshooting
31
Complete Unit Stoppage
31
Single Circuit Stoppage
31
Service Analysis
31
Restart Procedure
31
Alarms and Alerts
32
- Diagnostic Alarm Codes and Possible Causes
  32
Thermistor Troubleshooting
39
- Thermistor/Temperature Sensor Check
  39
Transducer Troubleshooting
39
Start-Up
39
Appendix A - Ccn Tables
44
Control Set-Up Checklist
55

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