Index - United Technologies Carrier Weathermaker 48A2 Controls, Start-Up, Operation, Service, And Troubleshooting

Accessory control components
Accessory installation
7
Accessory Navigator™ display
Airflow control during
fire-smoke modes
65
Alarm output
25
Alarms and alerts
95
Alert limit configuration
74
Auto view of run status
92
Basic control usage
4-7
Belt tension adjustment
133
Building pressure configuration
Building pressure control
62
Carrier Comfort Network (CCN) System
®
CCN tables and display
5
CCN tables
153-167
Cleaning
130
ComfortLink controls
4
Complete unit stoppage
79
Compressor run hours display table
Compressor starts display table
Condenser-fan adjustment
133
Controls
7
Controls operation
5, 27-77
Controls quick start
21-23
Controls setpoint and configuration
log
CL-1 to CL-5
Conventions used in this manual
Cool mode selection process
Cooling
23
Cooling control
32
Cooling mode diagnostic help
Crankcase heaters
7
Dehumidification and reheat
Demand controlled ventilation control
Demand limit control
25, 42
Dirty filter switch
57
Discrete switch logic configuration
Display configuration
76
Economizer
57
Economizer diagnostic help
Economizer integration with
mechanical cooling
44
Economizer operation
59
Economizer options
22
Economizer run status
92
Evacuation mode
65
Evaporator fan
7, 132, 133
Exhaust options
22
Factory-installed components
Fan status monitoring
57
Fans
23
Filter drier
141
Fire shutdown mode
65
Fire-smoke inputs
65
Four-inch filter replacement
Forcing inputs and outputs
92
Gas heat (48A only)
7
Gas valve adjustment (48A only)
Generics table
7
Head pressure control
43
Heat mode diagnostic help
49
Heat mode selection process
Heating
23
Heating control
47
Humidi-MiZer
23,71
Troubleshooting
79
Hot gas bypass
77
HVAC modes
28
Independent outputs
23
Indoor air quality control
65
Indoor air quality options
22
Internal wiring
7
Local display tables
143-152
© Carrier Corporation 2018
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480166-01
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4, 125
62
73
93
93
3
35
40
69
26
75
61
103
134
141
48
Printed in U.S.A.

INDEX

Low ambient Motormaster control
Lubrication
132
Main burners
141
Major system components
Mode selection
177
Mode trip helper
93
Modes
27
Multi-stage constant volume units with
mechanical thermostat
Multi-stage constant volume units
with space sensor
Power failure
134
Pressurization mode
Programming operating schedules
Refrigerant charge
Remote control switch input
Remote switch
25
Replacement parts
Restart procedure
Run status menu
92
Safety considerations
Scrolling marquee
Sensor trim configuration
Service
130-142
Service access
130
Service analysis
79
Service test
23-25
Service test mode logic
Single circuit stoppage
Smoke control modes
Smoke purge mode
Software version numbers
display table
95
Space temperature offset
Staged gas heating control
Start-up
7-21
Static pressure control
Static pressure reset
SumZ cooling algorithm
Supply air reset
25
Supply fan status monitoring logic
System modes
27
System Pilot™ interface
Temperature compensated start
Temperature compensated start logic
Thermistor troubleshooting
Thermostat
25
Thermostatic expansion valve (TXV)
Third party control
Time clock configuration
Transducer troubleshooting
Troubleshooting
79-103
Unit Configuration submenu
Unit preparation
7
Unit setup
7
Unit staging tables
Unit start-up checklist
Unoccupied economizer free cooling
UPC Open controller
Variable air volume units using return
air sensor or space temperature
sensor
21
VFD control
25
VFD information
Form 48/50A-13T
190-199
103-129
21
21
65
22
134
76
141
79
2, 3
4, 123
75
23
79
65
65
77
51,52
54
55
40
57
5
72
73
79
134
25-27
77,78
79
30
38-40
CL-6
60
178-189
168-176
Pg 200 2-18 Replaces: 48/50A-12T