Bryant 548J*12D Manual de usuario descargar pdf

548J***D

SINGLE PACKAGE ROOFTOP

HEAT PUMP UNITS

WITH FIELD--INSTALLED ELECTRIC HEAT

SIZES 08--14 WITH PURON

(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

S Puron (R--410A) HFC refrigerant

S SEER’s up to 13.4, EER’s up to 11.2

S IEER’s:

— up to 12.2 with single speed indoor fan motor

— up to 12.5 with 2--speed/VFD indoor fan motor

S HSPF’s up to 7.7 and COP’s up to 3.3

S ASHRAE 90.1 compliant

S Rated in accordance with AHRI Standard 340

S Designed in accordance with Underwriters’

Laboratories Std 1995 and listed by UL and UL, Canada

S Two--stage cooling capacity control

S Non--corrosive composite sloping design; side or center

drain condensate pan. Meets ASHRAE Standard 62

S Cooling operating range from 25_Fupto115_F

(--4_Cupto46_C). Field installed accessory extends

the minimum down to --20_F(--29_C)

S Convertible from vertical to horizontal airflow for slab

mounting

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 Central Terminal Board for component and unit wiring

connections.

S Loss of Charge, High--Pressure, and Freeze Protection

switches

S Full perimeter base rail with built--in rigging adapters

andforktruckslots.

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

1 2 3 4 5 6 ... 11 12

Indice de contenidos

Pagina 1 - Submittal Data

548J***DSINGLE PACKAGE ROOFTOPHEAT PUMP UNITSWITH FIELD--INSTALLED ELECTRIC HEATSIZES 08--14 WITH PURONR(R--410A) REFRIGERANTSubmittal DataCertified t

Pagina 2 - ELECTRICAL DATA

10CERTIFIED DIMENSION 548J*14DC14195548J***D

Pagina 3 - OPTIONAL WARRANTIES

11ROOF CURB DETAILS — SIZES 08--127/16"[11]4 9/16"[115.5]1/4"[7.0]"A"1 3/4"[44.5]1 3/4"[44.4]20-3/4"[513]INSID

Pagina 4 - FIELD INSTALLED ACCESSORIES

12ROOF CURB DETAILS — SIZE 14C10365Manufacturer reserves the right to discontinue, or change at any ti me, specifications or designs without notice an

Pagina 5

2SUBMITTAL DATAJob NameArchitectEngineerContractorUnit DesignationPERFORMANCE DATAUnit Operating Weight lbCoolingNet Total Capacity BtuhNet Sensible C

Pagina 6

3FACTORY--INSTALLED OPTIONS (FIOPs)j Economizer with DRY BULB sensing and barometricreliefStandard Air Leak Dampers —f Models with W7212 controller pr

Pagina 7 - CERTIFIED DIMENSION 548J*12D

4FIELD INSTALLED ACCESSORIESj Economizer with DRY BULB sensing and barometricreliefStandard Air Leak Dampers —f Models with W7212 controller provides

Pagina 8

5CERTIFIED DIMENSION 548J*08 -- 09DC12051548J***D

Pagina 9

6CERTIFIED DIMENSION 548J*08 -- 09DC12052548J***D

Pagina 10 - CERTIFIED DIMENSION 548J*14D

7CERTIFIED DIMENSION 548J*12DC12053548J***D

Pagina 11 - 548J***D

8CERTIFIED DIMENSION 548J*12DC12054548J***D

Pagina 12 - ROOF CURB DETAILS — SIZE 14

9CERTIFIED DIMENSION 548J*14DC14194548J***D