Carrier WeatherMaster Puron 48HC D28 Manuals

Manuals and User Guides for Carrier WeatherMaster Puron 48HC D28. We have 1 Carrier WeatherMaster Puron 48HC D28 manual available for free PDF download: Service And Maintenance Instructions

Carrier WeatherMaster Puron 48HC D28 Service And Maintenance Instructions

Carrier WeatherMaster Puron 48HC D28 Service And Maintenance Instructions (100 pages)

Gas Heat/Electric Cooling with R-410A Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 11.62 MB

Table of Contents

Table of Contents
1
Safety Considerations
2
Unit Arrangement and Access
2
General
2
Routine Maintenance
3
Supply Fan (Blower) Section
4
Supply Fan Assembly
4
Belt
4
Staged Air Volume (Sav) Control
5
- 2-Speed Fan with Variable Frequency
  5
- Drive (Vfd)
  5
Staged Air Volume (SAV) Indoor Fan Speed
5
- System
  5
Identifying Factory Option
6
Unit Installation with SAV Option
6
Additional Vfd Installation and Troubleshooting
7
Motor
7
Replacing the Motor
7
Changing Fan Wheel Speed by Changing Pulleys
7
Condenser Coil Service
8
Round Tube Plate Fin (RTPF) Condenser Coil
8
Recommended Condenser Coil Maintenance and Cleaning
8
Evaporator Coils
9
Evaporator Coil
9
Coil Maintenance and Cleaning Recommendation
9
Evaporator Coil Metering Devices
10
Refrigerant System Pressure Access Ports
10
Humidi-Mizer® Adaptive Dehumidification
11
- System
  11
Humidi-Mizer Modes
11
Humidi-Mizer System Components
11
Subcooler/Reheat Coil
11
Operating Sequences
11
Thermostatic Expansion Valve (Txv)
14
TXV Operation
15
Replacing TXV
16
Refrigerant System Pressure Access Ports
16
Puron® (R-410A) Refrigerant
16
Refrigerant Charge
17
Cooling Charging Charts
18
Compressors
22
Lubrication
22
Replacing the Compressor
22
Filter Drier
22
Adjusting the Condenser-Fan
22
Troubleshooting Cooling System
22
Convenience Outlets
24
Non-Powered Type
24
Unit-Powered Type
24
Wet in Use Convenience Outlet Cover
24
Duty Cycle
24
GFCI Maintenance
24
Fuse on Powered Type
25
Using Unit-Mounted Convenience Outlets
25
Installing a Weatherproof Cover
25
Smoke Detectors
25
System
25
Controller
25
Sensor
26
Smoke Detector Locations
26
FIOP Smoke Detector Wiring and Response
28
Sensor and Controller Tests
29
Detector Cleaning
30
Indicators
30
Normal State
30
Alarm State
30
Troubleshooting
32
Protective Devices
32
Compressor Protection
32
Supply (Indoor) Fan Motor Protection
32
Control Circuit, 24-V
33
Premierlink Control
33
Rtu-Open Control System
33
Gas Heating System
33
General
33
Fuel Types and Pressures
33
Flue Gas Passageways
34
Combustion-Air Blower
34
Burners and Igniters
35
Gas Valve
38
Economi$Er Systems
45
Economi$Er IV Standard Sensors
49
Economi$Er X (Factory Option)
54
Pre-Start-Up/Start-Up
68
Start-Up, General
68
Unit Preparation
68
Additional Installation/Inspection
68
Fastener Torque Values
70
Appendix A - Model Number Nomenclature
71
Appendix B - Physical Data
72
Appendix C - Fan Performance
76
Appendix D - Wiring Diagrams
83
Appendix E - Motormaster Sensor
96
Locations
96
Start-Up Checklist
99

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