Carrier 48HC D28 Series Manuals

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

Carrier 48HC D28 Series Service And Maintenance Instructions

Carrier 48HC D28 Series Service And Maintenance Instructions (90 pages)

Nominal 15 to 25 Tons with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 9.19 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
Unit Arrangement and Access
3
Supply Fan (Blower) Section
4
Fan with Variable Frequency Drive (Vfd)
6
Additional Vfd Installation and Troubleshooting
7
Motor
7
Condenser Coil Service
9
Evaporator Coils
10
Humidi- - Mizer Adaptive Dehumidification System
12
Thermostatic Expansion Valve (Txv)
18
Puronr (R- - 410A) Refrigerant
20
Cooling Charging Charts
22
Compressors
26
Convenience Outlets
29
Smoke Detectors
30
Indicators
36
Protective Devices
37
Premierlinkt CONTROL
39
Rtu- - Open Control System
40
Sensory/Accessory Installation
40
Gas Heating System
42
Economi$Er Systems
53
Pre- - Start- - up
62
Start- -Up, General
62
Start- -Up, Premierlink Controls
64
Start- - Up, Rtu- - Open Control
65
Fastener Torque Values
65
Appendix I. Model Number Significance
66
Appendix II. Physical Data
67
Appendix III. Fan Performance
70
Appendix IV. Wiring Diagrams
75
Appendix V. Motormaster Sensor Locations
88
Unit Start-Up Checklist
89

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