Carrier 48LC Series Manuals

Manuals and User Guides for Carrier 48LC Series. We have 9 Carrier 48LC Series manuals available for free PDF download: Controls, Start-Up, Operation And Troubleshooting, Service And Maintenance Instructions, Installation Instructions Manual, Installation Instructions

Carrier 48LC Series Controls, Start-Up, Operation And Troubleshooting

Carrier 48LC Series Controls, Start-Up, Operation And Troubleshooting (190 pages)

Single Package Rooftop Units with SystemVu Controls Version 3.X and Puron (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 8.42 MB

Table of Contents

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Carrier 48LC Series Controls, Start-Up, Operation And Troubleshooting

Carrier 48LC Series Controls, Start-Up, Operation And Troubleshooting (164 pages)

Single Package Rooftop Units with SystemVu Controls Version 2.X and Puron R-410A Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 5.44 MB

Table of Contents

Table of Contents
1
Safety Considerations
2
General
3
- Conventions Used in this Manual
  3
Basic Control Usage
3
Start-Up
6
- Unit Preparation
  6
- Refrigerant Service Ports
  6
- Crankcase Heater
  6
- Compressor Rotation
  6
- Power Supply
  6
- Internal Wiring
  6
- Evaporator Fan
  6
- Condenser Fans and Motors
  7
- Return- -Air Filters
  7
- Outdoor- -Air Inlet Screens
  7
- Accessory Installation
  7
- Gas Heat (48LC)
  8
Controls Quick Set- -Up
9
Service Test
11
- Independent Outputs
  11
- Fan Test
  11
- Cooling Test
  11
- Heating Test
  11
- Automatic Test
  12
Third Party Control
12
- Cooling/Heating Control
  12
- Dehumidification Control
  12
- Remote Occupancy
  12
- Remote Shutdown
  12
- Alarm Output
  12
- Economizer Damper Control
  12
Controls Operation
12
- Display Configuration
  12
- Unit Configuration
  13
- General Operation
  13
- Demand Determination
  14
- Occupancy Determination
  15
- Indoor Fan Operation
  16
- Cooling Operation
  17
- Optional Humidi- -Mizer
  19
- Dehumidification System
  19
- Indoor Fan Based Dehumidification
  22
- Heating Operation
  22
- Supply Air Tempering
  24
- Economizer Operation
  24
- Power Exhaust
  26
- Indoor Air Quality (IAQ)
  26
- Pre- -Occupancy Purge
  27
- Temperature Compensated Start
  27
- Linkage
  28
- Carrier Comfort Network R (CCN) Operation
  28
- Bacnet Network Operation
  28
- Alarm Handling
  28
Troubleshooting
28
- Complete Unit Stoppage
  29
- Restart Procedure
  29
- Faults and Alerts
  29
- Control Module Communication
  36
- Communication Failures
  36
- Cooling Troubleshooting
  37
- Humidi- -Mizer System Troubleshooting
  38
- Economizer Troubleshooting
  40
- Heating Troubleshooting
  41
- Phase Protection
  44
- Thermistor Troubleshooting
  44
- Sensor Trim
  44
- Transducer Troubleshooting
  44
Major System Components
49
APPENDIX A: Systemvut Controller Display
76
APPENDIX B: Systemvu Controller Text Point Reference
97
APPENDIX C: Navigatort Display
98
APPENDIX D: Systemvu Controller CCN Tables
117
APPENDIX E: Bacnet Points List
142
Control Set Point and Configuration Log
153
Unit Start-Up Checklist
163

Carrier 48LC Series Service And Maintenance Instructions

Carrier 48LC Series Service And Maintenance Instructions (76 pages)

Single Package Rooftop Gas Heating/Electric Cooling Unit

Brand: Carrier | Category: Air Conditioner | Size: 6.27 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
Unit Arrangement and Access
3
Routine Maintenance
3
Seasonal Maintenance
3
Supply Fan (Blower) Section
4
Supply Fan (Belt-Drive)
4
Cooling
5
Condenser Coil
5
Condenser Coil Maintenance and Cleaning
5
- Recommendation
  5
Evaporator Coil
7
Refrigerant System Pressure Access Ports
7
Compressor
8
Filter Drier
8
Condenser-Fan Adjustment
8
Troubleshooting Cooling System
8
Puron® (R-410A) Refrigerant
10
Refrigerant Charge
10
Cooling Charging Charts
11
Thermostatic Expansion Valve (Txv)
14
TXV Operation
14
Convenience Outlets
14
Non-Powered Type
14
Unit-Powered Type
14
Smoke Detectors
15
System
15
Controller
15
Sensor
15
Smoke Detector Locations
16
Completing Installation of Return Air Smoke
16
- Sensor
  16
- Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 APPENDIX A - MODEL NUMBER
  17
FIOP Smoke Detector Wiring and Response
17
Sensor and Controller Tests
18
Indicators
20
Resetting Alarm and Trouble Condition Trips
21
Troubleshooting
21
Protective Devices
21
Compressor Protection
21
Supply (Indoor) Fan Motor Protection
21
Relief Device
21
Control Circuit, 24-V
21
Gas Heating System
21
General
21
Fuel Types and Pressures
22
Flue Gas Passageways
23
Combustion-Air Blower
23
Burners and Igniters
24
Burner Ignition
25
Orifice Replacement
26
Minimum Heating Entering Air Temperature
26
Troubleshooting Heating System
26
Pre-Start-Up
32
Start-Up, General
32
Unit Preparation
32
Gas Piping
32
Return-Air Filters
32
Outdoor-Air Inlet Screens
33
Compressor Mounting
33
Internal Wiring
33
Refrigerant Service Ports
33
Compressor Rotation
33
Cooling
33
Main Burners
33
Heating
33
Ventilation (Continuous Fan)
33
Electrical Connections
33
RTU Open Control System
35
Systemvu™ (Factory Option)
35
Economi$Er® X (Factory Option)
35
Vfd Operation with Remote Keypad
46
To Connect the VFD Keypad Using the
46
- Cable
  46
Start up with Assistant
46
Start up by Changing Parameters Individually
47
VFD Modes
47
Fan Speed Relay Board
58
Configuration Jumpers
58
Variable Frequency Drive
58
Fastener Torque Values
60
- Nomenclature
  61
Appendix B - Physical Data
62
Appendix C - Fan Data
63
Appendix D - Wiring Diagrams
71
Start-Up Checklist
75

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Carrier 48LC Series Installation Instructions Manual

Carrier 48LC Series Installation Instructions Manual (64 pages)

Single Package Rooftop Gas Heating/Electric Cooling Unit with Puronr (R---410A) Refrigerant Size: 07

Brand: Carrier | Category: Air Conditioner | Size: 12.43 MB

Table of Contents

Table of Contents
1
Safety Considerations
2
- Rated Indoor Airflow (Cfm)
  3
Installation
7
Integrated Staging Control (ISC) Board
26
- ISC Board - Sequence of Operation
  26
  - General
    26
  - Ventilation
    26
  - Cooling
    27
  - Economizer (Optional)
    27
  - Low Ambient Cooling Operation down to 40_F (4_C)
    27
  - Heating
    28
Economi$Er X (Factory Installed Option)
29
- Unit Installation
  29
- Enthalpy Sensor Relocation
  29
- W7220 Economizer Controller
  29
  - User Interface
    29
  - Keypad
    29
- Menu Structure
  30
- Connections and Applications
  35
  - W7220 Economizer Module Wiring
    35
- Economizer Control Configurations
  36
  - Enthalpy Changeover Control
    36
  - Enthalpy Settings
    36
  - Demand Control Ventilation
    38
  - Economizer Occupancy Control
    39
- Hardware
  40
  - Actuators
    40
  - Supply Air Temperature Sensor
    40
  - Outside Air Temperature Sensor
    40
  - Enthalpy Control Sensor Configuration
    40
  - Operating Sequences
    41
    
    Staged Air Volume (3- - Speed) Fan Motor
    41
    
    W7220 Economizer Control
    41
    
    Base Unit Controls
    41
    
    Cooling, Unit with Economi$Er X Without CO
    41
    
    Heating with Economi$Er
    43
    
    Demand Control Ventilation
    44
  - Setup and Configuration
    44
    
    Initial Menu Display
    44
    
    Time- - out and Screensaver
    44
  - Checkout
    44
    
    Status
    45
    
    Calibration of Sensors
    45
    
    Resetting All Defaults
    45
  - Troubleshooting
    45
    
    Power up Delay
    45
    
    Power Loss (Outage or Brownout)
    45
    
    Alarms
    45
    
    Clearing Alarms
    45
  - Control Set Point and Configuration Log
    48
- Staged Air Volume (Savt) with Variable Frequency Drive
  50
- Smoke Detectors
  61
- Step 13 - Adjust Factory- -Installed Options
  62
- Step 14 - - Install Accessories
  62
Start up Checklist
63

Carrier 48LC Series Installation Instructions Manual

Carrier 48LC Series Installation Instructions Manual (76 pages)

14-26 Single Package Rooftop Gas Heat/Electric Cooling Unit with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 17.61 MB

Table of Contents

Safety Considerations

1
- Table of Contents
  1
General

2
Rated Indoor Airflow (Cfm)

2
Installation

19
Step 1 - Plan for Unit Location

19
- Roof Mount
  19
Step 2 - Plan for Sequence of Unit Installation

19
Step 3 - Inspect Unit

19
Step 4 - Provide Unit Support

19
Step 5 - Field Fabricate Ductwork

23
Step 6 - Rig and Place Unit

23
- Positioning on Curb
  24
Step 7 - Horizontal Duct Connection

24
Step 8 - Install Outside Air Hood - Factory

24
Step 9 - Install Flue Hood and Combustion Air

26
- Hood
  
  26
Step 10 - Install Gas Piping

26
- Gas Supply Line
  27
- Factory-Option Thru-Base Connections
  27
Step 11 - Install External Condensate Trap and Line

28
Step 12 - Make Electrical Connections

29
RTU Open Controller (Factory-Installed Option)

39
Systemvu™ Controller (Factory-Installed Option)

39
Humidi-Mizer System Control Connections

39
- Humidi-Mizer System - Space Rh Controller
  39
Integrated Staging Control (ISC) Board

40
- Isc Board - Sequence of Operation
  41
Economi$Er X (Factory Option)

43
- System Components
  43
- Specifications
  43
- Inputs
  43
- Outputs
  43
- Environmental
  43
- Economizer Module Wiring Details
  44
- Interface Overview
  45
- Setup and Configuration
  46
- Enthalpy Settings
  55
- Two-Speed Fan Operation
  55
- Checkout
  56
- Troubleshooting
  56
Staged Air Volume (SAV™) with Variable Frequency

57
Smoke Detectors

71
Step 13 - Install Accessories

71
Step 14 - Check Belt Tension

72
- Belt Force - Deflection Method
  72
- Belt Tension Method
  72

Carrier 48LC Series Installation Instructions Manual

Carrier 48LC Series Installation Instructions Manual (60 pages)

Single Package Rooftop Gas Heating/Electric Cooling Unit with Puron (R---410A) Refrigerant Sizes: 04, 05, 06

Brand: Carrier | Category: Air Conditioner | Size: 6.82 MB

Table of Contents

Carrier 48LC Series Installation Instructions Manual

Carrier 48LC Series Installation Instructions Manual (65 pages)

Single Package Rooftop Gas Heat/Electric Cooling Unit with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 15.05 MB

Table of Contents

Carrier 48LC Series Service And Maintenance Instructions

Carrier 48LC Series Service And Maintenance Instructions (50 pages)

Nominal 3 to 5 Tons Single Package Rooftop Gas Heating/Electric Cooling Unit with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Industrial Equipment | Size: 3.62 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
Unit Arrangement and Access
2
Supply Fan (Blower) Section
4
Cooling
6
Puronr (R- -410A) Refrigerant
8
Thermostatic Expansion Valve (Txv)
9
Cooling Charging Charts
10
Convenience Outlets
14
Smoke Detectors
15
Protective Devices
22
Gas Heating System
23
Economizer Systems
34
Comfortlink (Factory Option)
34
Rtu Open Control System
34
Vfd Operation with Remote Keypad
34
Wiring Diagrams
35
Pre- -Start- -Up
38
Start- -Up, General
38
Fastener Torque Values
40
Appendix I. Model Number Significance
41
Appendix II. Physical Data
42
Appendix III Fan Performance
44
Unit Start-Up Checklist
49

Carrier 48LC Series Installation Instructions

Carrier 48LC Series Installation Instructions (2 pages)

Single Package Rooftop Units Gas Heating/Electric Cooling Select 12.5 to 27.5 Ton Flue Discharge Deflector Accessory

Brand: Carrier | Category: Air Conditioner | Size: 0.33 MB

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