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Carrier Manuals
Heat Pump
50NQ
Installation, start-up and service instructions manual
Carrier 50NQ Installation, Start-Up And Service Instructions Manual
Single-package heat pumps
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Installation, start-up and service instructions manual
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Installation, start-up and service instructions manual
(16 pages)
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Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Contents
Safety Considerations
Dimensional Drawing - Small Cabinet
Dimensional Drawing - Large Cabinet
Moving and Setting Unit in Place
Rooftop Installation
Ground-Level Installation
Condensate Disposal
Condensate Trap Diagram
Additional Support/Sleeper Location Diagram
Mounting Frame Dimensions Table
Mounting Frame Diagram
Duct Connections
Electrical Connections
Location of Coil Area
Preparing Unit for Start-Up
High Voltage Connections
Special Procedures for 208-V Operation
Control Voltage Connections
Control Connections Diagrams
Start-Up and Adjustments
Refrigerants Leaks
To Start Unit
Checking Charge
Indoor Airflow and Airflow Adjustments
Unit Controls
Sequence of Operation
The Minimum Maintenance Requirements
Models 50NQ Air Delivery (Cfm) in 208V-Horizontal Flow Set-Up at Indicated External Static Pressure & Voltage (Sizes 018, 024, 030, 036, 048, 060)
Models 50NQ Air Delivery (Cfm) in 230V-Horizontal Flow Set-Up at Indicated External Static Pressure & Voltage (Sizes 018, 024, 030, 036, 048, 060)
Rated Airflow and Filter Sizes
Minimum Airflow for Safe Electric Heater Operation
Wet Coil Pressure Drop
Indoor Blower and Motor
Outdoor Coil, Indoor Coil, and Condensate Drain Pan
Electrical Controls and Wiring
Indoor Airflow
Refrigerant Circuit
Metering Device Servicing
Unit Single-Phase Compressors
Checking Start Thermistor
Troubleshooting Chart - Cooling Cycle
Troubleshooting Chart - Heating Cycle
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Dimensional Drawing - Small Cabinet
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Dimensional Drawing - Large Cabinet
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Rooftop Installation
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Electrical Connections
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This manual is also suitable for:
50nq018
50nq024
50nq030
50nq036
50nq042
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