Bryant 548J*08D Installation and user guide
548J***D
SINGLE PACKAGE ROOFTOP
HEAT PUMP UNITS
WITH FIELD--INSTALLED ELECTRIC HEAT
SIZES 08--14 WITH PURONR(R--410A) REFRIGERANT
Submittal Data
Certified to ISO
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.
9001
DESCRIPTION
548J***D units are one--piece, two--stage heat pump units
that are low profile, prewired, tested and charged at the
factory. These units have field convertible supply and return
openings and 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
SSEER’s up to 13.4, EER’s up to 11.2
SIEER’s:
— up to 12.2 with single speed indoor fan motor
— up to 12.5 with 2--speed/VFD indoor fan motor
SHSPF’s up to 7.7 and COP’s up to 3.3
SASHRAE 90.1 compliant
SRated in accordance with AHRI Standard 340
SDesigned in accordance with Underwriters’
Laboratories Std 1995 and listed by UL and UL, Canada
STwo--stage cooling capacity control
SNon--corrosive composite sloping design; side or center
drain condensate pan. Meets ASHRAE Standard 62
SCooling operating range from 25_Fupto115_F
(--4_Cupto46_C). Field installed accessory extends
the minimum down to --20_F(--29_C)
SConvertible from vertical to horizontal airflow for slab
mounting
STwo--inch disposable return air filters
SThru--the--bottom power entry capability
SSingle point electric connections on field--installed
electric heat units
S24--volt control circuit protected with resettable circuit
breaker and 75--VA transformer
SBelt drive, constant torque, permanently lubricated
evaporator--fan motor on all size units.
STotally enclosed condenser motors with permanently
lubricated bearings
SState--of--the--art defrost control board, easily configured
for defrost cycles of 30, 60, 90, or 120 minutes.
SCentral Terminal Board for component and unit wiring
connections.
SLoss of Charge, High--Pressure, and Freeze Protection
switches
SFull perimeter base rail with built--in rigging adapters
andforktruckslots.
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
SAcutroltrefrigerant metering system
SLiquid line filter drier
SScroll compressors with internal line--break overload
protection
SIndoor and outdoor coils constructed of aluminum fins
mechanically bonded to seamless copper tubes.
SRemovable gauge line plugs for reading refrigerant
pressure with unit panels in place
SFour--way reversing valve operation
SSuction 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)
S5--year compressor
S1--year parts
2
SUBMITTAL DATA
Job Name
Architect
Engineer
Contractor
Unit Designation
PERFORMANCE DATA
Unit Operating Weight lb
Cooling
Net Total Capacity Btuh
Net Sensible Capacity Btuh
Compressor Power Input kW
at Outdoor Air Temperature _F
Indoor Entering Air db: _Fwb _F
Airflow CFM External Static Pressure in.wg
Curb Weight lb
Heating
Power Input to Unit kw
Integrated Capacity Btuh
Indoor Operating Air Temperature _F
db
Outdoor Air Temperature _F (Winter Design)
Rating at 70% R.H. Outdoors kW Heater Selected
Heat/Cool Ratio
Electrical Capacity Required Btuh
ELECTRICAL DATA
Power Supply to Unit Volts Phase Hz
Minimum Circuit Amps Maximum Overcurrent Protection (Fuse Only)
548J***D
3
FACTORY--INSTALLED OPTIONS (FIOPs)
jEconomizer with DRY BULB sensing and barometric
relief
Standard Air Leak Dampers —
fModels with W7212 controller provides standard
non--diagnostic control. EconoMi$er IV.
fModels with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er X.
fModels with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er 2.
jEconomizer with ENTHALPY sensing and barometric
relief
Standard Air Leak Dampers —
fModels with W7212 controller provides standard
non--diagnostic control. EconoMi$er IV.
fModels with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er X.
fModels with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er 2.
jEconomizer with DRY BULB sensing and barometric
relief
ULTRA LOW LEAK Air Dampers —
fModels with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements --
plus 5 year limited parts warranty. EconoMi$er X.
fModels with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements --
plus 5 year limited parts warranty. EconoMi$er 2.
jEconomizer with ENTHALPY sensing and barometric
relief
ULTRA LOW LEAK Air Dampers —
fModels with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements --
plus 5 year limited parts warranty. EconoMi$er X.
fModels with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements --
plus 5 year limited parts warranty. EconoMi$er 2.
j2--Speed Indoor Fan Motor system utilizes a Variable
Frequency Drive (VFD) to automatically adjust the indoor
fan motor for 2 speed indoor fan motor control. Conforms
to ASHRAE 90.1 2010 Standard – section 6.4.3.10.b.
jRTU Open multi--protocol controller communicates to
LON, MODBUS, BACNET and Johnson N2 protocols.
jThrough the base connectors electric conduit
jTwo--position motorized outdoor air damper
jNon--fused disconnect switch (80 A Max)
jPowered 115--volt convenience outlet
jNon--powered 115--volt convenience outlet
jHigh static indoor fan motor and drive
jReturn Air smoke detector
jSupply Air smoke detector
jPre--coated Al/Cu condenser coil
jE--coated Al/Cu condenser coil
jE--coated Al/Cu condenser and evaporator coil
jCu/Cu condenser coil
jCu/Cu condenser coil and evaporator coil
jCondenser hail guard — louvered style
jCO2sensor
OPTIONAL WARRANTIES
jComplete Unit Parts only up to 5 years
jComplete Unit Parts and Labor up to 5 years
Many other optional warranties are available.
See the Commercial Start--Up and Optional Extended
Warranty Price price pages for further information.
548J***D
4
FIELD INSTALLED ACCESSORIES
jEconomizer with DRY BULB sensing and barometric
relief
Standard Air Leak Dampers —
fModels with W7212 controller provides standard
non--diagnostic control. EconoMi$er IV.
fModels with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er X.
fModels with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er 2.
jEconomizer with ENTHALPY sensing and barometric
relief
Standard Air Leak Dampers —
fModels with W7212 controller provides standard
non--diagnostic control. EconoMi$er IV.
fModels with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er X.
fModels with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er 2.
jEconomizer with DRY BULB sensing and barometric
relief
ULTRA LOW LEAK Air Dampers —
fModels with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements.
EconoMi$er X.
fModels with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements.
EconoMi$er 2.
jEconomizer with ENTHALPY sensing and barometric
relief
ULTRA LOW LEAK Air Dampers —
fModels with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements.
EconoMi$er X.
fModels with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements.
EconoMi$er 2.
jDisplay Kit for Variable Frequency Drive (VFD),
2--Speed Indoor Fan Motor System. Allows additional
set up and diagnostics of the unit VFD controller. Can
be unit mounted or used with any other compatible
VFD model as a reusable device.
jPower Exhaust — vertical or horizontal
jElectric heat
jSingle point kit
jTwo--position motorized outdoor air damper
jManual outdoor air damper 25%
jManual outdoor air damper 50%
jRoofcurb — 14 inch (356mm) tall
jRoofcurb — 24 inch (610mm) tall
jThru--the--bottom utility connection kit
jTime Guard II compressor anti--cycle control
jOutdoor coil hail guard — louvered style
jLow ambient head pressure controller, down to --20_F
(--29_C)
jProgrammable setback thermostat
jElectrical/Mechanical thermostat and subbase
jPhase monitor
jHead pressure control
jDisconnect switch bracket (for size 14 units only)
jSupply Duct Cover (for size 14 units only)
Economizer Sensors
jSingle Dry bulb control
jDifferential Dry bulb control
jSingle enthalpy control
jDifferential enthalpy control
jCO2-- wall mounted
jCO2-- duct mounted
548J***D
5
CERTIFIED DIMENSION 548J*08 -- 09D
C12051
548J***D
6
CERTIFIED DIMENSION 548J*08 -- 09D
C12052
548J***D
7
CERTIFIED DIMENSION 548J*12D
C12053
548J***D
8
CERTIFIED DIMENSION 548J*12D
C12054
548J***D
9
CERTIFIED DIMENSION 548J*14D
C14194
548J***D
10
CERTIFIED DIMENSION 548J*14D
C14195
548J***D
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3
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