Bryant PACKAGED HEAT PUMP 548J User Manual

548J
PACKAGED HEAT PUMP
3 TO 8.5 NOMINAL TONS
Product Data
C08515
(Optional hail guard shown.)
This product has been designed and manufactured to
meet Energy Star® criteria for energy efficiency.
However, proper refrigerant charge and proper air flow
are critical to achieve rated capacity and efficiency.
Installation of this product should follow all
manufacturer’s refrigerant charging and air flow
instructions. Failure to confirm proper charge and
air f low may reduce energy efficiency and shorten
equipment life.
the environmentally sound refrigerant

Bryant PACKAGED HEAT PUMP 548J Specifications

General

Brand	Bryant
Model	PACKAGED HEAT PUMP 548J
Category	Heat Pump
Language	English

Summary

Features and Benefits

Model Number Nomenclature

Factory Options and Accessories

ARI Cooling Rating Tables

Electrical Information

MCA and MOCP Determination

Calculations for Minimum Circuit Ampacity and Maximum Overcurrent Protection.

Weights and Dimensions

Service Clearance

Recommended clearances around the unit for service access and airflow.

Application Data

Sizing a Rooftop Unit

Recommendations and considerations for correctly sizing rooftop units.

Selection Procedure Example

Fan Performance

Economizer Performance

Typical Wiring Diagrams

1-Stage Cooling Power Diagram

Wiring diagram for 1-stage cooling operation.

2-Stage Cooling Power Diagram

Wiring diagram for 2-stage cooling operation.

Multi-Protocol Option Diagram

Diagram illustrating multi-protocol control system connections.

Sequence of Operation

Cooling with EconoMi$er IV

Explains cooling operation when the EconoMi$er IV is utilized.

Defrost Operation

Details the unit's defrost cycle process and conditions.

Guide Specifications

HVAC Instrumentation and Controls

Requirements for sensors, transmitters, and control devices.

Unit Safeties

Safety features and devices incorporated into the unit's design.

Compressors

Specifications for the hermetic scroll compressors used in the unit.

Integrated Economizers

Requirements and features of integrated economizer systems.

Electric Heat Section

Details on the electric heating elements and their installation.