Bryant 548J***D Submittal Data

548J***D
SINGLE PACKAGE ROOFTOP
HIGH- - EFFICIENCY HEAT PUMP UNITS
WITH FIELD- - INSTALLED ELECTRIC HEAT
SIZES 17 & 24 WITH PURONR (R- - 410A) REFRIGERANT
Certified to ISO 9001:2000
Base Unit
S Puron (R- -410A) HFC refrigerant
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
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.
Submittal Data
Use of the AHRI Certified
TM Mark indicates a
manufacturer's
participation in the
program For verification
of certification for individual
products, go to
www.ahridirectory.org.
STANDARD FEATURES
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.
S Loss of Charge, High- -Pressure, and Freeze Protection switches
S Full perimeter base rail with built- -in rigging adapters and fork
truck slots.
Cabinet
S Access panels with easy grip handles
S Innovative, easy starting, no strip screw features on unit access
panels.
S Pre- -painted exterior panels and primer- -coated interior panels
tested to 500 hours salt spray protection
S Fully insulated cabinet
S Tool- -less filter access door
Refrigerant System
S Acutrolt 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
S 5- -year electric heater (field- -installed)
S 5- -year compressor
S 1- -year parts