Carrier 48/50PG Series Manuals

Manuals and User Guides for Carrier 48/50PG Series. We have 1 Carrier 48/50PG Series manual available for free PDF download: Controls, Start-Up, Operation, Service And Troubleshooting Instructions

Carrier 48/50PG Series Controls, Start-Up, Operation, Service And Troubleshooting Instructions

Carrier 48/50PG Series Controls, Start-Up, Operation, Service And Troubleshooting Instructions (208 pages)

Single Package Rooftop Units

Brand: Carrier | Category: Air Conditioner | Size: 13.34 MB

Table of Contents

Table of Contents
1
Safety Considerations
2
General
3
Basic Control Usage
3
Start-Up
6
- Unit Preparation
  6
- Compressor Mounting
  6
- Refrigerant Service Ports
  6
- Crankcase Heater(S)
  6
- Compressor Rotation
  6
- Power Supply
  6
- Internal Wiring
  6
- Evaporator Fan
  6
- Condenser Fans and Motors
  8
- Return-Air Filters
  8
- Outdoor- -Air Inlet Screens
  8
- Air Baffles
  8
- Accessory Installation
  8
- Orifice Change (48PG and 48PM)
  8
- Gas Heat (48PG and 48PM)
  8
Controls Quick Set- -Up
8
Service Test
12
- Independent Outputs
  12
- Fan Test
  12
- Cooling Test
  12
- Humidi- -Mizert Test
  12
- Heating Test
  13
Third Party Control
13
- Cooling/Heating Control
  13
- Dehumidification Control
  13
- Remote Occupancy
  13
- Fire Shutdown
  13
- Alarm Output
  13
- Economizer Monitoring
  14
- Economizer Damper Control
  14
Controls Operation
14
- Display Configuration
  14
- Unit Configuration
  14
- Modes
  15
- General Operation
  16
- Setpoint Determination
  16
- Occupancy Determination
  17
- Indoor Fan Operation
  17
- Cooling Operation
  18
- Heating Operation
  21
- Economizer
  23
- Optional Humidi- -Mizert Dehumidification System
  24
- Indoor Air Quality (IAQ)
  30
- Adaptive Fan
  35
- Temperature Compensated Start
  36
- Carrier Comfort Network (CCN)R Configuration
  36
- Demand Limit
  37
- Linkage
  37
- Alarm Handling
  38
Troubleshooting
38
- Complete Unit Stoppage
  38
- Restart Procedure
  38
- Alarms and Alerts
  38
- Control Module Communication
  45
- Communication Failures
  45
- Cooling Troubleshooting
  46
- Humidi- -Mizert Troubleshooting
  47
- Economizer Troubleshooting
  48
- Heating Troubleshooting
  49
- Phase Loss Protection
  52
- Thermistor Troubleshooting
  52
- Transducer Troubleshooting
  54
- Forcing Inputs and Outputs
  54
Major System Components
57
Service
86
- Cleaning
  86
- Lubrication
  88
- Evaporator Fan Service and Replacement
  89
- Evaporator Fan Performance Adjustment
  90
- Evaporator Fan Belt Tension Adjustment
  90
- Condenser- -Fan Adjustment
  91
- NOVATION Heat Exchanger Condenser Service and Replacement
  91
- Verify Sensor Performance
  91
- Economizer Operation During Power Failure
  91
- Evacuation
  91
- Refrigerant Charge
  92
- Gas Valve Adjustment (48PG and 48PM)
  96
- High Altitude (48PG and 48PM)
  96
- Main Burners (48PG and 48PM)
  97
- Filter Drier
  98
- Protective Devices
  98
- Relief Devices
  98
- Control Circuit, 24- -V
  98
- Replacement Parts
  98
- Diagnostic Leds
  98
- Appendix A - - Local Display and Ccn Tables
  100
- 38 Appendix A -- Local Display and
  116
Appendix B - Control Modes with
116
Humidi- -Mizert SYSTEM and ECONOMIZER
116
Appendix C - Start- - up Data
118
Appendix D - - Additional Start- -Up Data
185
- Replaces: 48
  199
Unit Start- -Up Checklist
207

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