Carrier 50LC 08 Manuals

Manuals and User Guides for Carrier 50LC 08. We have 4 Carrier 50LC 08 manuals available for free PDF download: Controls, Start-Up, Operation And Troubleshooting, Service And Maintenance Instructions, Installation Instructions Manual

Carrier 50LC 08 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 MB

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 50LC 08 Service And Maintenance Instructions (84 pages)

Single Package Rooftop

Brand: Carrier | Category: Air Conditioner | Size: 9 MB

Table of Contents
1
Safety Considerations
1
Unit Arrangement and Access
2
General
2
Routine Maintenance
2
Seasonal Maintenance
2
Supply Fan (Blower) Section
3
Supply Fan (Belt-Drive)
3
Cooling
5
Evaporator Coil
5
Coil Maintenance and Cleaning Recommendation
5
Refrigerant System Pressure Access Ports
6
Puron® (R-410A) Refrigerant
7
Refrigerant Charge
7
Compressors
7
Filter Drier
7
Condenser-Fan Location
7
Troubleshooting Cooling System
8
Cooling Charging Charts
9
Convenience Outlets
12
Weatherproof Cover Installation
13
Types of Convenience Outlets
13
Smoke Detectors
14
System
14
Controller
14
Sensor
14
Smoke Detector Locations
14
Completing Installation of Return Air Smoke
15
Sensor
15
FIOP Smoke Detector Wiring and Response
16
Sensor and Controller Tests
17
Indicators
18
Resetting Alarm and Trouble Condition Trips
19
Troubleshooting
19
Protective Devices
19
Compressor Protection
19
Supply (Indoor) Fan Motor Protection
20
Condenser Fan Motor Protection
20
Control Circuit, 24-V
20
Electric Heaters
20
Single Point Boxes and Supplementary Fuses
21
Safety Devices
21
Low-Voltage Control Connections
21
Pre-Start-Up
22
Start-Up, General
23
Unit Preparation
23
Return-Air Filters
23
Outdoor-Air Inlet Screens
23
Compressor Mounting
23
Internal Wiring
23
Refrigerant Service Ports
23
Compressor Rotation
23
Cooling
23
Heating
23
RTU Open Control System
25
Systemvu™ (Factory Option)
25
Integrated Staging Control (ISC) Board
26
Economi$Er® X (Factory Option)
28
Staged Air Volume (SAV™) with Variable Frequency
42
- Drive
  42
Multi-Speed VFD Display Kit
43
Fastener Torque Values
54
- Appendix A - Model Number
  55
- Nomenclature
  55
Appendix B - Physical Data
56
Appendix C - Fan Performance
58
Appendix D - Wiring Diagrams
67
Start-Up Checklist
83

Carrier 50LC 08 Service And Maintenance Instructions (100 pages)

Nominal 6 to 10 Tons, With Puron R-410A Refrigerant

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

Carrier 50LC 08 Installation Instructions Manual (65 pages)

Single Package Rooftop Cooling Only R-410A Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 14 MB

Electrical Shock Hazard
2
Installation
8
Roof Mount
8
Curb-Mounted Installation
9
Pad-Mounted Installation
9
Frame-Mounted Installation
9
Slab Mount (Horizontal Units Only)
9
Alternate Unit Support (in Lieu of Curb or Slab Mount)
9
For Units with Accessory or Optional Elec- Tric Heaters
11
Positioning on Curb
12
Economizer Hood Removal and Setup - Fac- Tory Option
13
Economizer Hood Assembly
14
Electric Shock Hazard
15
Field Power Supply
15
Fire Hazard
24
All Units
24
Units Without Factory-Installed Non-Fused Disconnect or Hacr
24
Units with Factory-Installed Non-Fused Dis- Connect or Hacr
25
Convenience Outlets
26
Factory-Option Thru-Base Connections
28
Units Without Thru-Base Connections
28
Field Control Wiring
28
Heat Anticipator Settings
29
Unit Without Thru-Base Connection Kit
29
Heater and Supplementary Fuses
30
Heater Low-Voltage Control Connections
30
Humidi-Mizer System - Space Rh Controller
30
Isc Board - Sequence of Operation
33
Specifications
35
Interface Overview
37
Setup and Configuration
38
Enthalpy Settings
46
Two-Speed Fan Operation
46
Troubleshooting
47
Alphanumeric Display
49
Program the Vfd for 3 Discrete Indoor Fan Speeds
50
Additional Application Data
59
Completing Installation of Return Air
59
Smoke Sensor
59
Smoke Detectors
60
Belt Force - Deflection Method
60
Belt Tension Method
60
Preliminary Information
63
Pre-Start-Up
63
Humidi-Mizer
64

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