Carrier WeatherMaker 50TCQ 17-24 Series Manuals

Carrier WeatherMaker 50TCQ 17-24 Series Manuals

Manuals and User Guides for Carrier WeatherMaker 50TCQ 17-24 Series. We have 1 Carrier WeatherMaker 50TCQ 17-24 Series manual available for free PDF download: Service And Maintenance Instructions

Carrier WeatherMaker 50TCQ 17-24 Series Service And Maintenance Instructions

Carrier WeatherMaker 50TCQ 17-24 Series Service And Maintenance Instructions (76 pages)

Single Package Rooftop Unit with Heat Pump with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 9.75 MB

Table of Contents

Table of Contents
1
Safety Considerations
2
Unit Arrangement and Access
2
General
2
Routine Maintenance
2
Seasonal Maintenance
3
Supply Fan (Blower) Section
3
Supply Fan (Belt-Drive)
3
Belt
4
Adjustable-Pitch Pulley on Motor
4
Changing the Fan Speed
5
Aligning Fan and Motor Pulleys
5
Bearings
5
Motor
5
Staged Air Volume (Sav) Control: 2-Speed Fan with Variable Frequency Drive (Vfd)
5
Staged Air Volume (SAV) Indoor Fan Speed System
5
Identifying Factory Option
5
Unit Installation with SAV Option
6
Additional Vfd Installation and Troubleshooting
6
Heat Pump Refrigeration System
6
Outdoor Coil
6
Indoor Coil
6
Recommended Coil Maintenance and Cleaning
6
Refrigeration System Components
8
Reversing Valve and Check Valve Position
9
Troubleshooting Refrigerant Pressure Problems and
10
Check Valves
10
Refrigerant System Pressure Access Ports
10
Thermostatic Expansion Valve (Txv)
11
TXV Operation
11
Replacing TXV
11
Puron (R-410A) Refrigerant
12
Refrigerant Charge
12
How to Use Cooling Charging Charts
12
Cooling Charging Charts
13
Compressors
17
Troubleshooting Cooling System
17
Convenience Outlets
19
Installing Weatherproof Cover
19
Duty Cycle
20
Maintenance
20
Fuse on Power Type
20
Using Unit-Mounted Convenience Outlets
20
Heat Pump Controls
20
Central Terminal Board
20
Protective Controls
21
Compressor Protection
21
Supply (Indoor) Fan Motor Protection
21
Outdoor Fan Motor Protection
21
Control Circuit, 24V
21
Commercial Defrost Control
21
Reversing Valve Control
22
Compressor Control
22
Auxiliary (Electric) Heat Control
22
Defrost
22
Indoor Fan off Delay
23
Defrost Speedup Functions
23
Electric Heaters
23
Single Point Boxes and Supplementary Fuses
25
Completing Heater Installation
26
Smoke Detectors
26
System
26
Controller
26
Sensor
26
Smoke Detector Locations
27
Completing Installation of Return Air Smoke
27
Sensor
27
FIOP Smoke Detector Wiring and Response
30
Sensor and Controller Tests
30
Detector Cleaning
32
Indicators
32
Normal State
32
Alarm State
32
Resetting Alarm and Trouble Condition Trips
33
Troubleshooting
33
Premierlink™ Control
33
RTU Open Control System
33
Economi$Er Systems
33
Economi$Er IV Standard Sensors
38
Economi$Er® X (Factory Option)
43
Pre-Start-Up / Start-Up
57
Start-Up, General
57
Additional Installation/Inspection
57
Start-Up, Premierlink Controls
58
Start-Up, Rtu-Open Controls
58
Fastener Torque Values
59
Nomenclature
60
Appendix B - Physical Data
61
Appendix C - Fan Performance
64
Appendix D - Wiring Diagrams
67
Appendix E - Motormaster Sensor
73
Location
73
Start-Up Checklist
75

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