Description, Standard Features | Bryant 548J***D instruction

548J***D

SINGLE PACKAGE ROOFTOP HIGH-EFFICIENCY HEAT PUMP UNITS WITH FIELD-INSTALLED ELECTRIC HEAT

SIZES 17 & 24 WITH PURONR (R-410A) REFRIGERANT

Submittal Data

	Use of the AHRI Certified
	TM Mark indicates a
	manufacturer’s
	participation in the
	program For verification
Certified to ISO 9001:2000	of certification for individual
Certified to ISO 9001:2000	products, go to
	www.ahridirectory.org.

DESCRIPTION

548J***D units are one-piece, two-stage heat pump units that are low profile, prewired, tested and charged at the factory. These are intended for installation on a roof curb accessory (ordered separately), or for slab mounting (for horizontal duct connections). Units are designed to accept field-installed electric heaters. Units may be ordered with various factory-installed options. Field-installed accessories are also available.

STANDARD FEATURES

Base Unit

SPuron (R-410A) HFC refrigerant S EER’s up to 10.8

S IEER’s up to 11.5 S COP’s up to 3.3

S ASHRAE 90.1 energy compliant

S Rated in accordance with AHRI Standard 340/360

S Designed in accordance with Underwriters’ Laboratories Standard 1995

S Two-stage cooling capacity control on all models

S Non-corrosive composite sloping design; side or center drain condensate pan. Meets ASHRAE Standard 62

S Cooling operating range from 30_F up to 115_F (-1_C up to 46_C).

S Dedicated vertical nd horizontal airflow models available, ordered as factory option. No special kits required

S Two-inch disposable return air filters

S Thru-the-bottom power entry capability

S Single point electric connections on field-installed electric heat units

S 24-volt control circuit protected with resettable circuit breaker and 75-VA transformer

S Belt drive, constant torque, permanently lubricated evaporator-fan motor on all size units.

S Totally enclosed condenser motors with permanently lubricated bearings

S State-of-the-art defrost control board, easily configured for defrost cycles of 30, 60, 90, or 120 minutes.

S Centralized Terminal Board for component and unit wiring connections.

SLoss of Charge, High-Pressure, and Freeze Protection switches S Full perimeter base rail with built-in rigging adapters and fork

truck slots.

Cabinet

SAccess panels with easy grip handles

SInnovative, easy starting, no strip screw features on unit access

panels.

SPre-painted exterior panels and primer-coated interior panels tested to 500 hours salt spray protection

SFully insulated cabinet

STool-less filter access door

Refrigerant System

SAcutrolt refrigerant metering system S Liquid line filter drier

S Scroll compressors with internal line-break overload protection S Indoor and outdoor coils constructed of aluminum fins

mechanically bonded to seamless copper tubes.

S Removable gauge line plugs for reading refrigerant pressure with unit panels in place

S Four-way reversing valve operation

S Suction Line Accumulator standard - prevents excessive liquid flood back of refrigerant to the compressor even during the start of the defrost cycle.

Standard Parts Warranty

S5-year electric heater (field-installed) S 5-year compressor

S 1-year parts