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WeatherExpert N4
Carrier WeatherExpert N4 Manuals
Manuals and User Guides for Carrier WeatherExpert N4. We have
2
Carrier WeatherExpert N4 manuals available for free PDF download: Controls, Start-Up, Operation, Service And Troubleshooting Instructions, Installation Instructions Manual
Carrier WeatherExpert N4 Controls, Start-Up, Operation, Service And Troubleshooting Instructions (248 pages)
Packaged Rooftop Cooling Units with Gas Heat, Optional Electric Heat, or Hydronic Heat and ComfortLink Controls
Brand:
Carrier
| Category:
Air Conditioner
| Size: 12.76 MB
Table of Contents
Table of Contents
1
Safety Considerations
2
General
3
Basic Control Usage
4
Comfortlink Controls
4
Navigator™ Display
4
Operation
4
Conventions Used in this Manual
5
System Pilot™ Interface
5
CCN Tables and Display
5
Generic Status Display Table
5
Start-Up
5
Unit Preparation
5
Internal Wiring
5
Accessory Installation
6
Crankcase Heaters
6
Evaporator Fan
6
Controls
6
Gas Heat
6
Controls Quick Start
27
Variable Air Volume Units Using Return Air
27
Sensor or Space Temperature Sensor
27
Multi-Stage Constant Volume and Staged Air
27
Volume Units with Mechanical Thermostat
27
Volume Units Units with Space Sensor
27
Economizer Configurations
27
Indoor Air Quality Configurations
28
Exhaust Configurations
28
Set Clock on VFD
28
Programming Operating Schedules
29
Service Test
29
General
29
Service Test Mode Logic
29
Independent Outputs
29
Fans
29
Actuators
32
Humidi-Mizer
32
Cooling
32
System
32
Heating
33
Service Component Tests
33
Third Party Control
39
Thermostat
39
Alarm Output
39
Remote Switch
39
VFD Control
39
Supply Air Reset
39
Demand Limit Control
39
Economizer/Outdoor Air Damper Control
40
Controls Operation
41
Modes
41
System Modes
41
Hvac Modes
42
Unit Configuration
44
Cooling Control
46
Setting up the System
46
Machine Dependent Configurations
46
Cooling Configuration
49
Cool Mode Selection Process
50
Cool Mode Diagnostic Help
52
Economizer Integration with Mechanical Cooling
61
Heating Control
61
Post Filter Application
61
Setting up the System
61
Heat Mode Selection Process
62
Temperature Driven Heat Mode Evaluation
62
Heat Mode Diagnostic Help
63
Two-Stage Gas and Electric Heat Control
63
Hydronic Heating Control
63
Modulating Gas Heating Control
64
Scr Electric Heat Control
64
Control Board Information
67
Relocate Sat for Heating-Linkage Applications
68
Tempering Mode
69
Static Pressure Control
69
Setting up the System
69
Related Points
70
Static Pressure Reset
71
Fan Status Monitoring
72
Dirty Filter Switch
72
Economizer
73
Economizer Fault Detection and Diag
73
Differential Dry Bulb Cutoff Control
74
Economizer Self Test
74
Fdd Configurations
75
Setting up the System
76
Economizer Operation
76
Economizer Changeover Selection
76
Outdoor Air Cfm Control
77
Economizer Operation Configurations
79
Economizer Diagnostic Help
80
Building Pressure Control
80
Setting up the System
80
Smoke Control Modes
82
Fire Smoke Inputs
82
Airflow Control During Fire/Smoke
82
Smoke Control Configuration
82
Indoor Air Quality Control
83
Pre-Occupancy Purge
85
Optional Airflow Station
85
Humidification
86
Setting up the System
86
Configuring the Humidifier Actuator
86
Dehumidification and Reheat
87
Setting up the System
87
Humidi-Mizer
88
System
88
Adaptive Dehumidification
88
Operation
89
Humidi-Mizer Modes
89
Temperature Compensated Start
89
Temperature Compensated Start Logic
90
Carrier Comfort Network
91
Alert Limit Configuration
91
(Ccn)
91
Sensor Trim Configuration
93
Discrete Switch Logic Configuration
93
Display Configuration
94
VFD Configurations
95
Remote Control Switch Input
96
Hot Gas Bypass
97
Space Temperature Offset
97
Time Clock Configuration
97
Troubleshooting
99
Complete Unit Stoppage
99
Single Circuit Stoppage
99
Service Analysis
99
Restart Procedure
99
Humidi-Mizer
99
Thermistor Troubleshooting
99
Transducer Troubleshooting
102
Forcing Inputs and Outputs
102
Run Status Menu
102
Auto View of Run Status
112
Economizer Run Status
113
Cooling Information
113
Exv Information Display Table
114
Vfd Information Display Table
114
Outdoor Fan Vfd Display Table
114
Mode Trip Helper
114
Ccn/Linkage Display Table
115
Compressor Run Hours Display Table
115
Compressor Starts Display Table
115
Alarms and Alerts
115
Major System Components
127
General
127
Factory-Installed Components
127
Accessory Control Components
149
Service
152
Service Access
152
Adjustments
155
Cleaning
158
Lubrication
159
Refrigerant Feed Components
159
Electronic Expansion Valve (EXV)
159
Refrigeration Circuits
159
Gas System Adjustment (48N Only)
171
Moisture/Liquid Indicator
171
Filter Drier
172
Liquid Line Service Valves
172
Protective Devices
172
Temperature Relief Devices
172
Control Circuit, 115 V
172
Control Circuit, 24 V
172
Gas Heat (48N Only)
172
Compressor Removal
173
Compressor Replacement
173
Appendix A - Local Display Tables
174
Appendix B - Ccn Tables
188
Appendix C - Unit Staging Tables
208
Appendix D - Vfd Information
211
Appendix E - Mode Selection
221
Process
221
Option
223
Appendix F - Bacnet Communication
224
Option
233
Appendix G - Optional Motormaster
234
Control
234
Index
240
Controls Set Point and Configuration Log
245
Unit Start-Up Checklist
248
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Carrier WeatherExpert N4 Installation Instructions Manual (52 pages)
Packaged Rooftop Cooling Units with Gas Heat and ComfortLink Controls
Brand:
Carrier
| Category:
Air Conditioner
| Size: 12.48 MB
Table of Contents
Table of Contents
1
General
1
Safety Considerations
1
Acoustical Considerations
3
Location
3
Ductwork
3
Acoustic Insulation
3
Installation
4
Step 1 - Perform Jobsite Survey
4
Step 2 - Place Unit
4
Step 3 - Roof Mount Unit
4
Roof Curb
4
Steel Beams
4
Step 4 - Slab Mount Unit
4
Step 5 - Install Curb Gasketing
18
Step 6 - Install Field-Fabricated Ductwork
18
Step 7 - Rig Unit
18
Step 8 - Connect Condensate Drain
27
Step 9 - Install Outdoor Air Hoods
28
Step 10 - Route Field Wiring
29
Step 11 - Make Field Electrical Connections
29
Power Wiring
29
Step 12 - Connect Air Pressure Tubing
31
Variable Frequency Drive
31
Power Exhaust
31
Return Fan
31
Step 13 - Remove Supply-Fan Shipping Bracket
33
Screws
33
Step 14 - Remove PE Shipping Bracket Screws
33
Step 15 - Remove Return-Fan Shipping Brackets
33
Step 16 - Connect Gas Piping
34
Step 17 - Configure Modulating Gas Control
34
Step 18 - Install Flue/Inlet Hoods
34
Step 19 - Install Supply-Air Thermistors
36
Gas Units Only)
36
Step 20 - Install Unit Accessories
36
Controls Installation
41
Constant Volume / Staged Air Volume Units
41
Control Wiring
41
Variable Air Volume Units
41
Vav Control Wiring
41
Sensors
41
Humidity Control and Hot Water and Steam Valves
41
Space Temperature Sensor (T-55)
42
Space Temperature Sensor (T-56)
42
Space Temperature Sensor (T-58)
42
Space Temperature Averaging
42
Heat Interlock Relay (Vav Units Only)
42
Option and Accessory Control Wiring
42
Carrier Comfort Network® (CCN) Interface
47
Optional UPC Open Installation
48
Wiring the Upc Open to the Ms/Tp Network
48
Ms/Tp Wiring Recommendations
49
Smoke Control Modes
49
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