Carrier WEATHERMAKER 48AK051 Manuals

Manuals and User Guides for Carrier WEATHERMAKER 48AK051. We have 2 Carrier WEATHERMAKER 48AK051 manuals available for free PDF download: Operation And Service Manual, Installation Instructions Manual

Carrier WEATHERMAKER 48AK051 Operation And Service Manual (190 pages)

Single Package Large Rooftop Units with COMFORTLINK Version 5.x Controls

Brand: Carrier | Category: Air Conditioner | Size: 8 MB

Table of Contents
1
Safety Considerations
2
General
3
Conventions Used in this Manual
3
Basic Control Usage
3
Comfortlink Controls
3
Scrolling Marquee
4
Accessory Navigator™ Display
4
Operation
4
System Pilot™ Interface
5
CCN Tables and Display
5
- Generics Status Display Table
  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
  28
Variable Air Volume Units Using Return Air Sensor or Space Temperature Sensor
28
Multi-Stage Constant Volume Units with
28
- Mechanical Thermostat
  28
Economizer Options
28
Indoor Air Quality Options
29
Exhaust Options
29
Programming Operating Schedules
29
Service Test
29
General
29
Service Test Mode Logic
29
Independent Outputs
30
Fans in Service Test Mode
30
Cooling in Service Test Mode
30
Heating in Service Test Mode
30
Third Party Control
31
Thermostat
31
Alarm Output
31
Remote Switch
31
VFD Control
31
Supply Air Reset
31
Demand Limit Control
31
Demand Controlled Ventilation Control
31
Controls Operation
32
Modes
32
- System Modes
  33
- Hvac Modes
  33
Unit Configuration Submenu
35
Mechanical Cooling
37
Cooling Control
37
- Setting up the System
  37
- Machine Dependent Configurations
  38
- Set Points
  38
- Supply Air Reset Configuration
  38
- Cooling Configuration
  39
- Compressor Safeties
  39
- Compressor Time Guards
  40
- Cool Mode Selection Process
  40
- Cooling Mode Diagnostic Help
  46
- Sumz Cooling Algorithm
  46
- Head Pressure Control
  49
- Economizer Integration with Mechanical Cooling
  50
Heating Control
50
- Setting up the System
  50
- Temperature Driven Heat Mode Evaluation
  52
- Heat Mode Diagnostic Help
  52
- Integrated Gas Control Board Logic
  54
- Morning Warm up
  56
- Tempering Mode
  56
Static Pressure Control
57
- Setting up the System
  57
- Operation
  57
- Static Pressure Reset Operation
  59
- Related Points
  59
Fan Status Monitoring
59
- Setting up the System
  59
- Supply Fan Status Monitoring Logic
  60
Dirty Filter Switch
60
Economizer
60
- Setting up the System
  60
- Economizer Operation
  61
- Economizer Operation Configuration
  63
- Economizer Diagnostic Help
  63
Building Pressure Control
63
Smoke Control Modes
66
- Fire-Smoke Inputs
  66
- Airflow Control During the Fire-Smoke Modes
  66
  - Setting up the System
    67
  - Operation
    67
- Relevant Items
  67
Indoor Air Quality Control
67
Operation
69
Dehumidification and Reheat
69
Temperature Compensated Start
71
- Temperature Compensated Start Logic
  71
Carrier Comfort Network
71
- (CCN) System
  71
Alert Limit Configuration
72
Sensor Trim Configuration
73
Discrete Switch Logic Configuration
74
Display Configuration
74
Remote Control Switch Input
74
Hot Gas Bypass
75
Space Temperature Offset
75
Time Clock Configuration
75
Troubleshooting
77
Complete Unit Stoppage
77
Single Circuit Stoppage
77
Service Analysis
77
Restart Procedure
77
Thermistor Troubleshooting
77
Transducer Troubleshooting
78
Forcing Inputs and Outputs
90
Run Status Menu
90
- Auto View of Run Status
  91
- Economizer Run Status
  91
- Cooling Information
  92
- Mode Trip Helper
  92
- Ccn/Linkage Display Table
  92
- Compressor Run Hours Display Table
  92
- Compressor Starts Display Table
  92
- Time Guard Display Table
  93
- Software Version Numbers Display Table
  93
Alarms and Alerts
93
Major System Components
101
General
101
Factory-Installed Components
101
Accessory Control Components
124
Service
128
Service Access
128
Cleaning
128
Lubrication
130
Evaporator Fan Performance Adjustment
130
Evaporator Fan Coupling Assembly
130
Evaporator Fan Service and Replacement
131
Belt Tension Adjustment
131
Evaporator-Fan Motor Replacement
131
Condenser-Fan Adjustment
132
Four-Inch Filter Replacement
132
Power Failure
132
Refrigerant Charge
132
Thermostatic Expansion Valve (TXV)
132
Gas Valve Adjustment
132
Main Burners
139
Filter Drier
139
Replacement Parts
139
Appendix A - Local Display Tables Mode - Run Status
140
- Mode - Service Test
  141
- Mode - Temperatures
  141
- Mode - Set Points
  142
- Mode - Inputs
  142
- Mode Configuration
  143
- Appendix A — Local Display Tables
  147
- Mode - Alarms
  147
- Status Display Tables
  148
Appendix B - Ccn Tables
148
- Set Point Table
  151
- Config Tables
  151
- Service-Config Tables
  152
- Appendix B — Ccn Tables
  160
- Time Schedule Config Table
  160
Appendix C - Vfd Information
161
- VFD Modes
  163
- Third Party Controls
  165
- VFD Diagnostics
  165
- VFD Maintenance
  165
- Maintenance
  167
- Appendix C — Vfd Information
  169
- Appendix D - Mode Selection Process
  170
Appendix E - Upc Open Controller
171
- Wiring the UPC Open Controller to the MS/TP Network
  172
- MS/TP Wiring Recommendations
  173
- Specification
  173
- Wiring Specifications
  174
- Local Access to the UPC Open
  174
- Device Connection
  174
- Error Led
  175
- Network Points List
  176
- Appendix E — Upc Open Controller
  182
- Unit Start-Up Checklist
  183
Index
183
Controls Set Point and Configuration Log
185
- Unit Start-Up Checklist
  190
- Pre-Start-Up
  190

Carrier WEATHERMAKER 48AK051 Installation Instructions Manual (36 pages)

Single Package Rooftop Units Electric Cooling/Gas Heating with Scroll Compressor and COMFORTLINK Controls

Brand: Carrier | Category: Air Conditioner | Size: 4 MB

Table of Contents
1
Safety Considerations
1
Installation
1
Step 1 - Provide Unit Support
1
- Installation
  2
- Roof Curb
  2
Step 4 - Make Unit Duct Connections
2
Step 2 - Rig and Place Unit
2
- Roof Mount
  2
Step 3 - Field Fabricate Ductwork
2
Step 6 - Trap Condensate Drain
19
Step 5 - Install Flue Hood
19
Step 7 - Install Gas Piping
19
- Field Power Supply
  20
- Step 8 - Make Electrical Connections
  20
- Power Wiring
  20
- Adjustments
  32
- Economizer and Fixed Outdoor Air Damper
  32
Step 10 - Position Power Exhaust/Barometric
33
- Relief Damper Hood
  33
Step 11 - Route VAV Static Pressure Sensor
34
Step 12 - Install All Accessories
35
Step 13 - Field Modifications
35

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