Bryant 566D Guide Specifications 569D072-120, 576C120, Commercial AIR-COOLED Condensing Units

GUIDE SPECIFICATIONS — 569D072-120, 576C120

COMMERCIAL AIR-COOLED CONDENSING UNITS

HVAC GUIDE SPECIFICATIONS

SIZE RANGE: 6 TO 10 TONS, NOMINAL

BRYANT MODEL NUMBERS: 569D, SIZES 072-120 576C, SIZE 120

PART 1 — GENERAL

1.01SYSTEM DESCRIPTION

Outdoor-mounted, air-cooled condensing unit suitable for on-the-ground or rooftop installation. Unit shall consist of a reciprocating air-conditioning compressor assembly (576C) or scroll compressor (569D), an air-cooled coil, propeller-type condenser fan, and a control box. Unit shall discharge supply air upward as shown on contract draw- ings. Unit shall be used in a refrigeration circuit matched with a packaged air-handling unit.

1.02QUALITY ASSURANCE

A.Unit shall be rated in accordance with ARI latest revisions.

B.Unit construction shall comply with ANSI/ASHRAE 15 safety code latest revision and comply with NEC.

C.Unit shall be constructed in accordance with UL 1995 standard and shall carry the UL and UL, Canada label.

D.Unit cabinet shall be capable of withstanding 500-hour salt spray exposure per ASTM B117 (scribed specimen).

E.Air-cooled condenser coils for semi-hermetic compressor units (576C) shall be leak tested at 150 psig and pressure tested at 480 psig. Air-cooled condenser coils for scroll compressor units (569D) shall be leak tested at 200 psig, and pressure tested at 428 psig.

F.Unit shall be manufactured in a facility registered to ISO 9001:2000 manufacturing quality standard.

1.03 DELIVERY, STORAGE, AND HANDLING

Unit shall be shipped as single package only, and shall be stored and handled according to unit manufacturer’s recommendations.

1.04WARRANTY (FOR INCLUSION BY SPECIFYING ENGINEER.)

PART 2 — PRODUCTS

2.01EQUIPMENT

A.General:

Factory-assembled, single piece, air-cooled condensing unit. Contained within the unit enclosure shall be all factory wiring, piping, controls, compressor, holding charge (R-22), and special features required prior to field start-up.

B.Unit Cabinet:

1.Unit cabinet shall be constructed of galvanized steel, bonderized and coated with a prepainted baked enamel finish.

2.A heavy-gage roll-formed perimeter base rail with forklift slots and lifting holes shall be provided to facil- itate rigging.

C.Fans:

1.Condenser fans shall be direct driven, propeller-type, discharging air vertically upward.

2.Fan blades shall be balanced.

3.Condenser fan discharge openings shall be equipped with PVC coated steel wire safety guards.

4.Condenser fan and motor shaft shall be corrosion resistant.

D.Compressor:

1.Compressor shall be of the scroll type (569D) or semi-hermetic reciprocating type (576C).

2.Compressors shall be mounted on vibration isolators.

3.Compressors shall include overload protection.

4.Compressors shall be equipped with a crankcase heater.

5.Compressor shall be equipped with internal high dis- charge temperature protection (569D072 and 120 only).

6.Compressor shall unload using suction cutoff unload- ing (576C120 only). Electric solenoid unloading available as an accessory.

E.Condenser Coil:

1.Condenser coil shall be air-cooled and circuited for integral subcooler.

2.Coil shall be constructed of aluminum fins (copper fins optional) mechanically bonded to internally grooved seamless copper tubes which are then cleaned, dehydrated, and sealed.

F.Refrigeration Components:

Refrigeration circuit components shall include liquid line service valve, suction line service valve, liquid filter drier, a full charge of compressor oil, and a holding charge of refrigerant. Unit 569D120 shall include an accumulator. Units with semi-hermetic compressors (576C) shall have oil-level sight glass and all units shall have crankcase heater.

G.Controls and Safeties:

1.Minimum control functions shall include:

a.Control wire terminal blocks.

b.Compressor lockout on auto-reset safety until reset from thermostat.

2.Minimum safety devices which are equipped with automatic reset (after resetting first at thermostat), shall include:

a.High discharge pressure cutout.

b.Low Pressure cutout.

c.High discharge temperature cutout (569D090 only).

H.Operating Characteristics:

1.The capacity of the condensing unit shall meet or exceed Btuh at a suction temperature of ______ F. The power consumption at full load shall not exceed

______ kW.

2.The combination of the condensing unit and the evaporator or fan coil unit shall have a total net cool- ing capacity of ______ Btuh or greater at conditions of ______ cfm entering-air temperature at the evapo- rator at ______ F wet bulb and ______ F dry bulb, and air entering the condensing unit at ______ F.

3.The system shall have an EER of ______ Btuh/Watt or greater at standard ARI conditions.

I.Electrical Requirements:

1.Nominal unit electrical characteristics shall be

______ v, 3-ph, 60 Hz. The unit shall be capable of satisfactory operation within voltage limits of

______ v to ______ v.

2.Unit electrical power shall be single-point connection.

3.Unit control circuit shall contain a 24-v transformer for unit control.

569D072-120, 576C120, 569F120

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