Carrier 50DQ User Manual

Highlights efficiency, dependability, and year-round operation with 15-ton capacity.

Emphasizes energy savings, cost reduction, and reliability for commercial use.

Details compressor safeguards, charge protection, and defrost systems.

Explains heat transfer and energy efficiency through the reverse cycle.

Lists and describes available accessories that enhance unit functionality.

Provides detailed data on unit components, refrigerant, and electrical parameters.

Illustrates the physical size and layout for installation planning.

Presents specific dimensions for various installation accessories like adapters and curbs.

Walks through choosing the correct unit based on job requirements.

Details cooling capacities under various temperature and airflow conditions.

Provides factors to adjust Sensible Heat Capacity based on entering air conditions.

Covers fan performance charts, motor details, and fan speed ranges.

Lists instantaneous/integrated heating ratings and electric resistance heater capacities.

Details unit electrical requirements, power supply, and component ratings.

Explains sequences for cooling, heating, defrost, and emergency/economizer modes.

Presents the detailed wiring and control logic for the unit's operation.

Defines the visual language used in the control schematic.

Covers power supply, wiring connections, and accessory power needs.

Details operational considerations for cooling in low ambient temperatures.

Illustrates typical rooftop installation wiring and ductwork connections.

Defines requirements for unit assembly, compressor, coils, and fans.

Outlines control system features and required accessories for proper operation.