Carrier AW Manuals

Manuals and User Guides for Carrier AW. We have 1 Carrier AW manual available for free PDF download: Operating And Service Manual

Carrier AW Operating And Service Manual (160 pages)

Single Package Large Rooftop Units with Scroll Compressors and COMFORT LINK Version 4.X Controls

Brand: Carrier | Category: Air Conditioner | Size: 7.75 MB

Table of Contents
1
Service and Troubleshooting
1
Safety Considerations
2
General
2
Basic Control Usage
3
Comfortlink Control
3
Scrolling Marquee
3
Accessory Navigator™ Display
4
Operation
4
System Pilot™ Interface
4
CCN Tables and Display
5
- Generics Status Display Table
  5
Conventions Used in this Manual
5
Start-Up
7
Unit Preparation
7
Unit Setup
7
Internal Wiring
7
Accessory Installation
7
Crankcase Heaters
7
Evaporator Fan
7
Controls
7
Gas Heat
7
Controls Quick Start
27
Two-Stage Constant Volume Units with
27
- Mechanical Thermostat
  27
- Space Sensor
  27
Variable Air Volume Units Using Return Air Sensor or Space Temperature Sensor
27
Multi-Stage Constant Volume Units with
28
- Mechanical Thermostat
  28
- Space Sensor
  28
Economizer Options
28
Indoor Air Quality Options
28
Exhaust Options
28
Set Clock on VFD (if Installed)
28
Programming Operating Schedules
29
Service Test
29
General
29
Service Test Mode Logic
29
Independent Outputs
30
Fans
30
Cooling
30
Heating
30
Third Party Control
30
Thermostat
30
Alarm Output
30
Remote Switch
30
VFD Control
31
Supply Air Reset
31
Demand Limit Control
31
Demand Controlled Ventilation Control
31
Controls Operation
32
Modes
32
- System Modes
  32
- Hvac Modes
  33
Unit Configuration Submenu
35
Cooling Control
36
- Setting up the System
  37
- Machine Dependent Configurations
  37
- Set Points
  37
- Supply Air Reset Configuration
  38
- Cooling Configuration
  38
- Demand Limit Control
  45
- Economizer Integration with Mechanical Cooling
  47
Heating Control
47
- Setting up the System
  47
- Heat Mode Selection Process
  48
- Temperature Driven Heat Mode Evaluation
  48
- Heat Mode Diagnostic Help
  49
- Integrated Gas Control Board Logic
  51
- Morning Warm up
  53
- Tempering Mode
  53
Static Pressure Control
54
- Setting up the System
  54
- Static Pressure Reset
  56
- Related Points
  56
Fan Status Monitoring
57
- Setting up the System
  57
- Supply Fan Status Monitoring Logic
  57
Dirty Filter Switch
57
Economizer
57
Building Pressure Control
61
Indoor Air Quality Control
63
- Setting up the System
  64
- Pre-Occupancy Purge
  66
Smoke Control Modes
63
- Fire-Smoke Inputs
  63
Dehumidification and Reheat
66
- Setting up the System
  66
Temperature Compensated Start
67
- Setting up the System
  67
- Temperature Compensated Start Logic
  68
Carrier Comfort Network (CCN)
68
Alert Limit Configuration
69
Sensor Trim Configuration
69
Discrete Switch Logic Configuration
70
Display Configuration
71
Remote Control Switch Input
71
Hot Gas Bypass
72
Space Temperature Offset
72
Time Clock Configuration
72
Troubleshooting
74
Complete Unit Stoppage
74
Single Circuit Stoppage
74
Service Analysis
74
Restart Procedure
74
Thermistor Troubleshooting
74
Transducer Troubleshooting
74
Forcing Inputs and Outputs
83
Run Status Menu
83
- Auto View of Run Status
  84
- Economizer Run Status
  84
- Cooling Information
  85
- Mode Trip Helper
  85
- Ccn/Linkage Display Table
  85
- Compressor Run Hours Display Table
  85
- Compressor Starts Display Table
  85
- Time Guard Display Table
  85
- Software Version Numbers Display Table
  85
Alarms and Alerts
86
Major System Components
94
General
94
Factory-Installed Components
94
Accessory Control Components
114
Service
118
Service Access
118
Cleaning
118
Lubrication
120
Evaporator Fan Performance Adjustment
120
Evaporator Fan Coupling Assembly
120
Evaporator Fan Service and Replacement
121
Belt Tension Adjustment
121
Evaporator-Fan Motor Replacement
121
Condenser-Fan Adjustment
121
Four-Inch Filter Replacement
121
Power Failure
121
Refrigerant Charge
121
Thermostatic Expansion Valve (TXV)
122
Gas Valve Adjustment
122
Main Burners
122
Filter Drier
122
Replacement Parts
122
Appendix A - Local Display Tables
123
Appendix B - Ccn Tables
131
Appendix C - Vfd Information
144
- Appendix D - Mode Selection
  152
- Process
  152
- Airflow Control During Fire-Smoke Modes
  154
Index
154
Unit Start-Up Checklist
159

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