Bryant 704C, 704C024 Evolution, 704C030 Evolution, 704C036 Evolution, 704C042 Evolution Product Data

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704C EVOLUTIONt 13 SEER SINGLE--PACKAGED AIR CONDITIONER SYSTEM WITH PURON®(R--410A) REFRIGERANT 2 TO 5 NOMINAL TONS (024--060)

Product Data

room to room; and reduced indoor noise due to lower air velocity. In addition, you’ll realize improved installation flexibility with 3 different airflow choices for best overall comfort.

Easy installation

Factory--assembled package is a compact, fully self--contained,

electric cooling unit that is pre--wired, pre--piped, and pre--charged for minimum installation expense. 704C units are available in a variety of standard capacity ranges with voltage options to meet residential and light commercial requirements. Units install easily on a rooftop or at ground level.

Durable, dependable components

Compressors are designed for high efficiency. Each compressor

is hermetically sealed against contamination to help promote longer life and dependable operation. Vibration isolation provides quiet operation. Compressors have internal high--pressure and overcurrent protection.

Convertible duct configuration

Unit is designed for easy use in either downflow or horizontal applications. Each unit is easily converted from horizontal to

A06047

Unit 704C

Single--Packaged Products with Energy--Saving Features and

refrigerant.

Puron

13 SEER

Low Sound Levels

Variable--Speed Blower (Standard)

Factory--Installed TXV

FEATURES/BENEFITS

One--piece cooling unit with optional electric heater, low installation cost, dependable performance and easy maintenance.

Efficient operation

High--efficiency design with SEERs (Seasonal Energy Efficiency

Ratio) of 13.0.

Puron

unique refrigerant designed to help protect the environment. Puron refrigerant is an HFC refrigerant which does not contain chlorine that can harm the ozone layer. The most important advantage of Puron refrigerant is that it has not been banned in future air conditioning systems as the traditional refrigerant R--22 has been. Puron refrigerant is in service in over 100,000 systems proving highly reliable, environmentally sound performance.

PerfectHumidityt Technology featuring Evolutiont control and Variable--Speed Blower motor that provides greater

comfort, humidity control, and energy efficiency. Variable--Speed Blower motors provide better comfort and

energy efficiency. You can expect up to 30 times better dehumidification; economical constant fan which provides improved indoor air quality and more even temperatures from

Environmentally--Sound Refrigerant is Bryant’s

downflow and includes horizontal duct covers. Direct--drive, variable--speed blower motor is standard on all

704C models. Direct--drive, PSC condenser fan motors are designed to help

reduce energy consumption and provide for cooling operation down to 55°F outdoor temperature. Motormaster low--ambient kit is available as a field --installed accessory.

Evolutiont User Interface designed to work as a system with Bryant’s single--packaged product.

Refrigerant system is designed to provide dependability. Liquid refrigerant filter driers are used to promote clean, unrestricted operation. Each unit leaves the factory with a full Puron refrigerant charge. Refrigerant service connections make checking operating pressures easier.

Indoor and outdoor coils are computer designed for optimum heat transfer and cooling efficiency. The indoor coil is fabricated from copper tube and aluminum fins and is located inside the unit for protection against damage. The outdoor coil is internally mounted on the top tier of the unit. Copper fin coils and pre--coated fin coils are available from the factory by special order. These coils are recommended in applications where aluminum fins are likely to be damaged due to corrosion. They are ideal for seacoast applications.

Thermostatic Expansion Valve—A hard--shutoff, balance--port TXV maintains a constant superheat at the evaporator exit (cooling cycle) resulting in higher overall system efficiency.

High-- and Low--Pressure Switches give added safety and reliability to the compressor.

Low sound ratings ensure a quiet indoor and outdoor environment with sound ratings as low as 72 dB. (See page 3.)

Easy to service cabinets provide easy single--panel accessibility to serviceable components during maintenance and installation. The basepan, with integrated drain pan, provides easy ground level installation with or without a mounting pad. Convenient

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handholds are provided to manipulate the unit on the job site. A nesting feature ensures a positive basepan to roof curb seal when the unit is roof mounted. A convenient 3/4--in. wide perimeter flange makes frame mounting on a rooftop easy.

Louvered grille provides hail and vandalism protection for the coil.

Downflow operation is easily provided in the field to allow vertical ductwork connections. The basepan utilizes knockout style seals on the bottom openings to ensure a positive seal in the horizontal airflow mode.

Cabinets are constructed of heavy--duty, phosphated, zinc--coated, pre--painted steel capable of withstanding 500 hrs of salt spray. Interior surfaces of the evaporator and electric heater

compartments are insulated with cleanable semi--rigid insulation board, which keeps the conditioned air from being affected by the outdoor ambient temperature and provides improved indoor air quality. (Conforms to American Society of Heating, Refrigeration and Air Conditioning Engineers No. 62P.) The sloped drain pan minimizes standing water in the drain, which is provided with an external drain.

Standard metal duct covers with insulation come with the unit and cover the horizontal duct openings. These can be left in place if the units are converted to downflow.

Limited Warranty—Standard 5--year limited warranty on all parts, 10--year limited warranty on compressor.

TABLE OF CONTENTS

FEATURES/BENEFITS 1--2.......................................................................................

MODEL NUMBER NOMENCLATURE 3...........................................................................

704C

ARI CAPACITIES 3.............................................................................................

PHYSICAL DATA 4.............................................................................................

OPTIONS AND ACCESSORIES 5--6...............................................................................

BASE UNIT DIMENSIONS 7--8...................................................................................

ACCESSORY DIMENSIONS 9....................................................................................

CORNER WEIGHTS 10..........................................................................................

SELECTION PROCEDURE 10....................................................................................

PERFORMANCE DATA 11--14....................................................................................

TYPICAL PIPING AND WIRING 15...............................................................................

APPLICATION DATA 16.........................................................................................

ELECTRICAL DATA 17--18......................................................................................

TYPICAL WIRING SCHEMATICS 19--20...........................................................................

CONTROLS 21.................................................................................................

GUIDE SPECIFICATIONS 22--23..................................................................................

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MODEL NUMBER NOMENCLATURE

704C N X 024

Model No. 704C – Single Pa c kaged

Air Conditioner

Electrical Supply N – 208/230-1-60 P – 208/230-3-60

A A

000 BT

Options

BT - AL evap, vinyl condenser CC - AL evap, CU condenser CU - CU evap & condenser TP - Base unit with tin plated indoor coil hairpins TV - TP with vinyl coating on outdoor coil TC - TP with AL indoor coil & CU/CU outdoor coil

Only used if ordering an option

N/A

Series A – Original

Nominal Cooling Capacity

024 – 2.0 Tons 030 – 2.5 Tons

Brand Name

A – Common Unit 036 – 3.0 Tons 042 – 3.5 Tons 048 – 4.0 Tons 060 – 5.0 Tons

N/A

LEGEND AL — Aluminum CU — Copper

ARI* CAPACITIES

Cooling Capacities, Efficiencies and Sound Ratings

Unit 704C Nominal Tons Standard CFM

024 2 800 24,000 11 13.0 72 030 2--1/2 1000 28,800 11 13.0 72 036 3 1200 36,000 11 13.0 74 042 3--1/2 1400 41,000 11 13.0 74 048 4 1600 45,000 11 13.0 78 060 5 1750 57,000 11 13.0 78

* Air Conditioning & Refriger ation Institute.

** ”A” conditions--- 80°F indoor db/67°F indoor wb & 95°F outdoor db. { Rated in accordance with U.S. Government DOE (Department of Energy) test procedures and/or ARI Standards 210/240 ---94. } Tested in accordance with ARI Standard 270---95 (not listed in ARI).

NOTES

1. Ratings are net values, reflecting the effects of circulating fan heat. Ratings are based on: Cooling Standard: 80°F db, 67°Fwb indoor entering --- air temperature and 95°F db outdoor entering---air temperature.

2. Before purchasing this appliance, read important energy cost and efficiency information available from your retailer.

LEGEND dBA—Sound Levels (decibels) db—Dry Bulb SEER—Seasonal Energy Efficiency Ratio wb—Wet Bulb

Net Cooling

Capacities (Btuh)

EER

@A**

SEER†

Sound Ratings‡

704C

(dBA)

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PHYSICAL DATA

UNIT SIZE 024 030 036 042 048 060 NOMINAL CAPACITY (ton) 2 2--1/2 3 3--1/2 4 5 OPERATING WEIGHT (lb.) 350 350 373 440 463 499 COMPRESSOR Scroll REFRIGERANT (R-- 410A) Quantity (lb.) 7.5 8 9.5 10.8 11. 5 14.0 REFRIGERANT METERING DEVICE TXV

ORIFICE OD (in.) 0.035 (2) 0.035 (2) 0.038 (2) 0.038 (2)

OUTDOOR COIL

Rows…Fins/in. 2…21 2…21 2…21 2…21 2…21 2…21

Face Area (sq. ft.) 12.3 12.3 13.6 15.4 17.2 19.4

OUTDOOR FAN

Nominal Cfm 2700 2700 2800 2800 3300 3300 Diameter 22 22 22 22 22 22 Motor HP (RPM) 1/8 (825) 1/8 (825) 1/8 (825) 1/8 (825) 1/4 (1100) 1/4 (1100)

INDOOR COIL

Rows…Fins/in. 3…15 3…15 4…15 3…15 4…15 4…17

Face Area (sq. ft.) 3.7 3.7 3.7 4.7 4.7 5.7

INDOOR BLOWER

Nominal Airflow (Cfm)

704C

Size (in.) 10x10 10x10 11x1 0 11x1 0 11x 1 0 11x 1 0

Motor HP (RPM) 1/2 1/2 3/4 3/4 3/4 1

HIGH-- PRESSURE SWITCH (psig)

Cutout Reset (Auto)

LOSS-- OF--CHARGE SWITCH

(Liquid Line) (psig)

Cutout

Reset (Auto)

RETURN-- AIR FILTERS (IN.)*

Throwaway

*Required filter sizes shown are based on the larger of the ARI (Air Conditioning and Refrigeration Institute) rated cooling airflow or the heating airflow velocity

of 300 ft/minute for throwaway type or 450 f t/minute for high---capacity type. Air filter pressure drop for n on ---standard filters must not exceed 0.08 in. wg.

ISO 9001:2000

Comfort Variable based on Comfort Rollback (see User Interface instructions for more information).

Efficiency 700 875 1050 1225 1400 1750

Max 800 1000 1200 1400 1600 2000

20x24x1 20x24x1 24x30x1 24x36x1 24x36x1 24x36x1

0.038 (Left OD Coil)

0.046 (Right OD Coil)

650 ± 15 420 ± 25

20 ± 5

45 ± 10

0.042 (Left OD Coil)

0.052 (Right OD Coil)

REGISTERED

Outdoor Sound: Octave Band Data—Decibels (dBA)

MODEL NO. 704C

Frequency (Hz) 024 030 036 042 048 060

125 58.8 58.8 60.7 56.7 62.4 63.5 250 63.5 63.5 63.3 62.8 69.9 67.6

500 67.2 67.2 66.8 67.8 71.3 71.8 1000 66.9 66.9 66.5 67.4 73.4 75.5 2000 63.7 63.7 64.2 63.7 70.0 71.0 4000 58.3 58.3 60.3 57.7 66.3 68.1 8000 50.0 50.0 53.0 50.8 60.1 59.9

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OPTIONS AND ACCESSORIES

Factory--installed options

Coil options include tin--plated* indoor hairpins, copper/copper

and vinyl--coated construction for refrigerant coils. Units are shipped standard with copper tube/aluminum fin construction. See model number nomenclature for coil options.

*Tin--plated indoor coils are built with special hairpins that are designed to resist both general pitting corrosion and excessive indoor corrosion (Formicary Corrosion).

Field-- installed accessories

Manual Air Damper (25% open) Electric Heaters Filter Rack Flat Roof Curbs (8--in. and 14--in.) Square--to--Round Duct Transition Kit Evolutiont User Interface Crankcase Heater Low--Ambient Kit (Motormaster II Control) Lifting Kit Compressor Hard Start Kit

Manual outside air damper includes hood and filter rack with adjustable damper blade for up to 25% outdoor air.

Electric heaters provide additional heat in the unit when required. Each package has a heater module that slides into the controls compartment. Heater sizes range from 5.0 to 20.0 kW.

The electric heater design allows the use of a single--point power supply for the entire unit, resulting in lower installed costs.

Flat roof curbs in both 8 in. and 14 in. sizes are available for roof mounted applications.

Square--to--round duct transition kit enables 024-- 048 size units to be fitted to 14 in. round ductwork.

Evolution User Interface coupled with the system’s variable--speed indoor blower delivers Bryant’s patented PerfectHumidity technology that allows for even greater humidity control. Along with more precisely controlling temperature and humidity, the Evolution User Interface offers full seven--day programmability allowing you to further customize your comfort and energy savings.

Lifting kit includes 4 metal brackets that are available to assist in lifting this product onto a roof application.

Crankcase heater provides anti--floodback protection for low--load cooling applications.

Low--ambient kit (Motormaster

II control) allows the use of

mechanical cooling down to outdoor temperatures as low as 0°F. Filter rack features easy installation, serviceability, and

high--filtering performance for vertical or horizontal applications. Compressor hard start kit assists compressor start--up by

providing additional starting torque on single--phase units and prolongs compressor motor life.

704C

Electric Heaters

ODS Catalog

Ordering No. (kW) Fused Stages 24 30 36 42 48 60

CPHEATER080A00 3.8 / 5.0 NO 1 X X X X X X

CPHEATER082A00 5.4 / 7.2 NO 1 X X X X X X

CPHEATER084A00 7.5 / 10.0 NO 1 X X X X X X

CPHEATER086A00 11.3 / 15.0 YES 2 X X X X X

CPHEATER088A00 15.0 / 20.0 YES 2 X X X X

CPHEATER090A00 3.8 / 5.0 NO 1 X X X X

CPHEATER091A00 7.5 / 10.0 NO 1 X X X X

CPHEATER093A00 11.3 / 15.0 NO 2 X X X X

CPHEATER095A00 15.0 / 20.0 YES 2 X X X

NOTE

Electric heaters are r ated at 240v. Refer to Multiplication Factors table for other voltages.

LEGEND

ODS—Order D istribution System

Nominal

Capacity

Used With Sizes

208/230 —SINGLE PHASE —60 Hz

208/230 -- THREE PHASE -- 60 Hz

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FILTER RACK

MANUAL OUTSIDE AIR DAMPER

704C

EVAPORATOR COIL

BEND FLANGE AT 90°-SCREW TO DIVIDER WITH 1-IN. SCREW

TOP FILTER RACK

BOTTOM FILTER RACK

REPLACEMENT PANEL

MANUAL OUTSIDE AIR HOOD

DAMPER BLADE

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A06120

704C

704C024--036 Unit Dimensions

Page 8

704C

A06121

704C042--060 Unit Dimensions

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ACCESSORY DIMENSIONS

HVAC unit

base

Scre w

(NO TE A)

*Gask eting

outer flange

Flashing field

supplied

Roofing material

field supplied

Cant str ip

field supplied

*Provided with roof curb

Gask eting

inner flange*

Wood nailer*

Roof curb*

Insulation (field

supplied)

Ductwork

field supplied

Roof

Roof Curb for Small Cabinet

Note A: When unit mounting scre w is used,

retainer bra cke t must also be used.

HVAC unit

Scre w

(NOTE A)

*Gask eting

outer flange

Flashing field

supplied

Roofing material

field supplied

Cant str ip

field supplied

*Provided with roof curb

base

Gask eting

inner flange*

Ductwork

field supplied

Wood nailer*

Roof curb*

Insulation (field

supplied)

Roof

Roof Curb for Large Cabinet

Note A: When unit mounting scre w is used,

retainer bra cket must also be used.

704C

Return opening

(B X C)

UNIT SIZE

704C024-- 036

704C042-- 060

Supply opening

B Typ.

C Typ .

(B x C)

R/A

Short

Insulated deck pan

ODS CATALOG

NUMBER

Support

IN. (MM)BIN. (MM)

Support

Long

IN. (MM)

CPRFCURB006A00 8 (203) 11 (279) 16--1/2 (419) 28--3/4 (730) 30--3/8 (771) 44--5/16 (1126) 45--15/16 (1167) CPRFCURB007A00 14 (356) 11 (279) 16--1/2 (419) 28--3/4 (730) 30--3/8 (771) 44--5/16 (1126) 45--15/16 (1167) CPRFCURB008A00 8 (203) 16--3/16 (411) 17--3/8 (441) 40--1/4 (1022) 41--15/16 (1065) 44--7/16 (1129) 46--1/16 (1169) CPRFCURB009A00 14 (356) 16--3/16 (411) 17--3/8 (441) 40--1/4 (1022) 41--15/16 (1065) 44--7/16 (1129) 46--1/16 (1169)

Insulated deck pan

IN. (MM)

Gask et around

outer edge

IN. (MM)

Gask et around

duct

IN. (MM)

S/A

NOTES:

1. Roof curb must be set up for unit being installed.

2. Seal strip must be applied, as required, to unit being installed.

3. Dimension in ( ) are in millimeters.

4. Roof curb is made of 16 --gauge steel.

5. Table lists only the dimensions, per part number, that have changed.

6. Attach ductwork to curb (flanges of duct rest on curb).

7. Insulated panels: 1--in. thick fiberglass 1 lb. density.

8. Dimensions are in inches.

9. When u nit mounting screw is used (see Note A), a retainer bracket must be used as well. This bracket must also be used when req uired by code for hurricaneorseismic conditions. This bracket is available through Micrometl.

A05308

IN. (MM)

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704C CORNER WEI GHTS (IN POUNDS)

704C

Corner Weights (Small Cabinet) Corner Weights (Large Cabinet)

Unit 024 030 036

Total Weight 349 349 373 Total Weight 438 463 499

Corner Weight 1 70 70 75 Corner Weight 1 88 98 107

Model

Corner Weight 2 54 54 58 Corner Weight 2 68 61 70

704C

Corner Weight 3 84 84 90 Corner Weight 3 106 127 136 Corner Weight 4 141 141 150 Corner Weight 4 177 177 186

SELECTION PROCEDURE

Determine cooling and heating requirements at design conditions:

Given:

REQUIRED COOLING CAPACITY (TC) 34,500 BTUH.....

SENSIBLE HEAT CAPACITY (SHC) 26,000 BTUH........

REQUIRED HEATING CAPACITY (SHC) 15,000 BTUH....

CONDENSER ENTERING AIR TEMPERATURE 95°F.....

INDOOR-- AIR TEMPERATURE 80°FEDB,67°FEWB.....

EVAPORATOR AIR QUANTITY 1200 CFM..............

ELECTRICAL CHARACTERISTICS 230--1--60............

Select unit based on required cooling capacity

Enter Net Cooling Capacities table at condenser entering temperature of 95°F. The 036 unit at 1200 cfm and 67°Fewb (entering wet bulb) will provide a total capacity of 36,000 Btuh and a SHC of 27,200 Btuh. Calculate SHC correction, if required, using Note 4 under Cooling Capacities tables.

Corner Weights (Lbs.)

704C

Model

Select electric heat

The required heating capacity is 15,000 Btuh. Determine additional electric heat capacity in kW.

Enter the Electric Heater table on page 5 for 208/230v, single--phase unit. The 5--kW heater at 240v most closely satisfies the heating required. To calculate kW at 230v, multiply the heater kW by multiplication factor 0.92 found in the Multiplication Factors table on page 14.

5 kW x 0.92 = 4.6 kW

4.6 kW x 3414 Btuh/kW = 15,704 Btuh

Total unit heating capacity is 35,904 Btuh (20,200 + 15,704).

Select unit that corresponds to power source available

The Electrical Data table shows that the unit is designed to operate at 208/230--1--60.

Unit 042 048 060

15,000 Btuh

3414 Btuh/kW

= 4.4kW of heat required

A06124

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PERFORMANCE DATA--STANDARD ECM I NDOOR MOTOR

Cooling Extended Performance Table

704C024

Tem p ( °F)

Outdoor Air

Entering Condenser

TC 23.4 23.9 25.9 28.4 24.0 24.5 26.5 29.1

105

115

125

SHC 20.3 19.8 17.6 14.7 21.9 21.3 18.7 15.4

kW 1.6 1.6 1.8 1.8 1.7 1.7 1.8 1.8

TC 22.3 22.7 24.8 27.3 22.9 23.3 25.3 27.9

SHC 19.9 19.2 17.0 14.2 21.4 20.7 18.1 14.9

kW 1.8 1.8 2.0 2.0 1.9 1.9 2.0 2.0

TC 21.3 21.8 23.5 26.0 21.8 22.2 24.0 26.5

SHC 19.3 18.8 16.5 13.6 20.8 20.2 17.6 14.3

kW 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2

TC 20.0 20.5 22.2 24.6 20.5 20.9 22.6 25.0

SHC 18.8 18.1 15.8 13.1 20.2 19.5 16.9 13.7

kW 2.4 2.4 2.3 2.3 2.4 2.4 2.4 2.4

TC 18.6 19.1 20.7 22.9 19.2 19.5 21.1 23.3

SHC 18.2 17.4 15.3 12.3 19.4 18.8 16.3 13.0

kW 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7

TC 17.1 17.5 19.3 21.1 17.8 18.0 19.4 21.4

SHC 17.8 17.0 14.5 11.7 18.5 18.1 15.5 12.3

kW 2.8 2.8 3.0 3.0 2.9 2.9 3.0 3.0

700 / 0.02 800 / 0.03

62 63* 67 72 62 63* 67 72

Evaporator Air --- CFM/BF

Evaporator Air Ewb (°F)

704C

704C030

Tem p ( °F)

Outdoor Air

Entering Condenser

TC 27.9 28.6 30.7 33.6 28.8 29.4 31.6 34.5

105

115

125

See page 14 for cooling notes.

SHC 24.1 20.0 20.6 16.8 26.0 21.2 22.1 17.8

kW 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.2

TC 26.9 27.5 29.5 32.3 27.6 28.1 30.2 33.1

SHC 23.8 19.5 20.3 16.4 25.6 20.8 21.7 17.4

kW 2.3 2.3 2.4 2.4 2.3 2.4 2.4 2.4

TC 25.6 26.2 28.2 30.8 26.3 26.8 28.8 31.5

SHC 23.1 19.1 19.9 16.0 24.7 20.5 21.3 16.9

kW 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6

TC 24.3 24.7 26.6 29.2 25.1 25.3 27.2 29.7

SHC 22.4 18.6 19.3 15.4 23.8 19.9 20.8 16.3

kW 2.9 2.9 2.9 2.9 2.9 2.9 2.9 2.9

TC 22.8 23.2 24.9 27.3 23.8 23.6 25.3 27.7

SHC 21.7 18.0 18.8 14.8 22.3 19.3 20.2 15.7

kW 3.2 3.2 3.2 3.2 3.2 3.2 3.2 3.2

TC 21.4 21.4 24.9 27.3 23.8 23.6 25.3 27.7

SHC 20.7 17.3 18.8 14.8 22.3 19.3 20.2 15.7

kW 3.5 3.5 3.2 3.2 3.2 3.2 3.2 3.2

Cooling Extended Performance Table

Evaporator Air --- CFM/BF

875 / 0.06 1000 / 0.07

Evaporator Air Ewb (°F)

62 63* 67 72 62 63* 67 72

Page 12

PERFORMANCE DATA--STANDARD ECM INDOOR MOTOR (CONT)

Cooling Extended Performance Table

704C036

Evaporator Air --- CFM/BF

Evaporator Air Ewb (°F)

704C

Tem p ( °F)

Outdoor Air

Entering Condenser

TC 34.8 35.5 38.4 42.4 36.4 36.9 39.8 43.8

105

115

125

SHC 30.4 24.7 25.7 20.9 34.3 27.5 28.7 22.8

kW 2.5 2.6 2.6 2.6 2.7 2.7 2.7 2.8

TC 33.2 34.0 36.7 40.5 34.8 35.2 37.9 41.8

SHC 29.6 24.1 25.0 20.2 33.5 26.8 28.0 22.1

kW 2.8 2.9 2.9 2.9 3.0 3.0 3.0 3.0

TC 31.5 32.3 34.8 38.5 33.3 33.4 36.0 39.7

SHC 29.4 23.3 24.2 19.5 32.5 26.1 27.2 21.4

kW 3.1 3.2 3.2 3.2 3.3 3.3 3.3 3.4

TC 29.7 30.4 33.0 36.4 31.7 31.5 33.9 37.4

SHC 28.8 22.5 23.5 18.8 31.1 25.3 26.5 20.6

kW 3.5 3.5 3.5 3.5 3.6 3.6 3.7 3.7

TC 28.1 28.5 30.8 34.0 30.0 29.4 31.7 34.9

SHC 27.8 21.7 22.7 18.0 29.7 24.5 25.7 19.8

kW 3.8 3.9 3.9 3.9 4.0 4.0 4.0 4.0

TC 26.5 26.4 28.5 31.5 28.1 27.2 29.3 32.3

SHC 26.2 20.9 21.9 17.1 27.8 23.5 24.7 18.9

kW 4.2 4.3 4.3 4.3 4.4 4.4 4.4 4.4

1050/ 0.04 1200 / 0.05

62 63* 67 72 62 63* 67 72

704C042

Tem p ( °F)

Outdoor Air

Entering Condenser

TC 40.5 41.2 44.2 48.4 41.5 42.1 45.1 59.4

105

115

125

See page 14 for cooling notes.

SHC 35.4 29.0 30.0 24.3 37.9 30.8 31.9 25.6

kW 3.0 3.0 3.0 3.1 3.0 3.0 3.0 3.1

TC 38.7 39.4 42.3 46.3 39.7 40.2 43.2 47.2

SHC 34.6 28.2 29.2 23.6 37.0 30.0 31.1 24.8

kW 3.3 3.3 3.4 3.4 3.3 3.3 3.4 3.4

TC 36.9 37.5 40.3 44.1 37.8 38.2 41.0 44.9

SHC 33.8 27.4 28.4 22.8 35.9 29.1 30.3 24.0

kW 3.7 3.7 3.7 3.8 3.7 3.7 3.7 3.8

TC 34.9 35.4 38.0 41.6 36.0 36.0 38.7 42.3

SHC 32.7 26.5 27.6 22.0 34.3 28.3 29.4 23.2

kW 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.1

TC 32.8 33.1 35.5 38.9 34.0 33.7 36.1 39.5

SHC 31.4 25.6 26.6 21.0 32.8 27.3 28.5 22.2

kW 4.5 4.5 4.5 4.6 4.5 4.5 4.5 4.6

TC 30.6 30.5 32.7 35.7 31.7 31.0 33.2 36.2

SHC 29.6 24.5 25.5 20.0 30.6 26.1 27.3 21.1

kW 4.9 4.9 4.9 5.0 4.9 4.9 4.9 5.0

Cooling Extended Performance Table

Evaporator Air --- CFM/BF

1225/ 0.07 1400 / 0.08

Evaporator Air Ewb (°F)

62 63* 67 72 62 63* 67 72

Page 13

PERFORMANCE DATA--STANDARD ECM INDOOR MOTOR (CONT)

Cooling Extended Performance Table

704C048

Tem p ( °F)

Outdoor Air

Entering Condenser

TC 44.7 45.3 49.0 53.9 46.0 46.6 50.3 55.3

105

115

125

SHC 40.8 32.8 34.3 27.6 43.9 35.2 36.7 29.3

kW 3.3 3.3 3.3 3.4 3.3 3.3 3.4 3.4

TC 42.4 43.0 46.5 51.2 43.7 44.1 47.7 52.4

SHC 39.6 31.7 33.2 26.5 42.4 34.0 35.7 28.2

kW 3.7 3.7 3.7 3.8 3.7 3.7 3.7 3.8

TC 40.0 40.6 44.0 48.5 42.3 41.8 45.0 49.5

SHC 38.2 30.6 32.2 25.5 41.1 33.1 34.5 27.1

kW 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.2

TC 37.9 38.1 41.2 45.5 39.7 39.1 42.1 46.4

SHC 36.6 29.4 30.9 24.4 38.3 31.8 33.3 25.8

kW 4.5 4.5 4.5 4.6 4.5 4.5 4.5 4.6

TC 36.6 35.5 38.3 42.3 37.1 36.2 39.1 43.0

SHC 34.1 28.2 29.6 23.2 36.6 30.4 32.0 24.7

kW 5.0 4.9 5.0 5.0 5.0 5.0 5.0 5.0

TC 33.1 32.6 35.3 38.8 34.6 33.3 35.9 39.5

SHC 32.4 27.0 28.4 21.9 34.1 28.9 30.6 23.3

kW 5.5 5.4 5.5 5.5 5.5 5.5 5.5 5.5

1400/ 0.06 1600 / 0.08

62 63* 67 72 62 63* 67 72

Evaporator Air --- CFM/BF

Evaporator Air Ewb (°F)

704C

704C060

Tem p ( °F)

Outdoor Air

Entering Condenser

TC 58.8 59.7 64.0 69.8 60.0 60.8 64.9 70.8

105

115

125

See page 14 for cooling notes.

SHC 53.6 51.8 44.5 35.4 57.6 55.4 47.1 36.8

kW 4.2 4.3 4.3 4.4 4.4 4.4 4.5 4.6

TC 56.2 57.0 61.1 66.6 57.4 58.1 61.9 67.4

SHC 52.4 50.5 43.2 34.2 56.3 54.2 45.8 35.6

kW 4.7 4.7 4.8 4.9 4.8 4.9 5.0 5.0

TC 53.5 54.3 58.0 63.2 55.0 55.3 58.7 64.1

SHC 51.1 49.2 41.9 32.9 55.0 52.9 44.5 34.4

kW 5.1 5.2 5.3 5.3 5.2 5.3 5.5 5.5

TC 50.7 51.4 54.8 59.6 52.5 52.4 55.4 60.2

SHC 49.8 47.9 40.6 31.6 52.5 51.6 43.2 33.0

kW 5.7 5.7 5.8 5.9 5.8 5.8 6.0 6.1

TC 48.1 48.3 51.3 56.8 49.7 49.7 51.8 57.0

SHC 48.1 46.6 39.2 30.6 49.7 49.7 41.8 31.7

kW 6.2 6.3 6.4 6.4 6.4 6.4 6.6 6.6

TC 45.2 45.1 47.4 52.5 46.4 46.4 47.9 52.2

SHC 45.2 45.1 37.6 28.9 46.4 46.4 40.2 29.7

kW 6.8 6.9 7.0 7.0 7.0 7.0 7.2 7.2

Cooling Extended Performance Table

Evaporator Air --- CFM/BF

1750/ 0.007 2000 / 0.01

Evaporator Air Ewb (°F)

62 63* 67 72 62 63* 67 72

Page 14

PERFORMANCE DATA (CONT)

Heater kW Rating Voltage Distribution V/3/60 Multiplication Factor

240

Example: 15.0 kW (at 240v) heater on 208v

= 15.0 (.75 mult factor) = 11.25 capacity at 208v

LEGEND BF — Bypass Factor edb — Entering Dry---Bulb Ewb — Entering Wet--- Bulb kW — Total Unit Power Input ldb — Leaving Dry---Bulb lwb — Leaving Wet--- Bulb SHC — Sensible Heat Capacity (1000 Btuh) TC — Total Capacity (1000 Btuh) (net)

704C

*At 75°F entering dry bulb (Tennessee Valley Authority [TVA] rating conditions); all other at 80°Fenteringdrybulb.

COOLING NOTES:

1. Ratings are net; they account for the effects of the evaporator fan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. The following formulas may be used:

Multiplication Factors

200 .69 208 .75 230 .92 240 1.00

ldb =tedb

Wet--- bulb temperature corresponding to enthalpy

lwb =

air leaving evaporator coil (

lwb =he w b ---

ewb = Enthalpy of air entering evaporator coil

Where:

4. The SHC is based on 80° F edb temperature of air entering evaporatorcoil. Below 80° F edb, subtract (corr factor x cfm) from SHC. Above 80° F edb, add (corr factor x cfm) to SHC. Correction Factor = 1.10 x (1 + BF) x (edb + 80) .

5. Integrated capacity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it.

Sensible capacity

---

(Btuh)

1.10 x cfm

lwb)

total capacity (Btuh)

4.5 x cfm

Page 15

TYPICAL PIPING AND WIRING

ROOF-MOUNTING CURB

SUPPLY-AIR FLEXIBLE DUCT

ROOF

RETURN-AIR FLEXIBLE DUCT

704C

CONCENTRIC DIFFUSER BOX (FIELD-SUPPLIED)

TOP COVER

RETURN AIR

CEILING

FROM GAS LINE

USER INTERFACE

FROM POWER SOURCE

DISCONNECT PER NEC

C00023

*NEC - NATIONAL ELECTRICAL CODE

A06122

Page 16

APPLICATION DATA

Condensatetrap — A2--in. condensatetrapmust be field supplied.

1” (25mm) MIN.

TRAP OUTLET

2” (50mm) MIN.

Ductwork — Secure downflow discharge ductwork to roof curb. For horizontal discharge applications, attach ductwork to unit with flanges.

704C

To convert a unit to downflow discharge — Units are equipped with factory--installed inserts in the downflow openings. Remove the insertssimilar to removing an electricalknockout.Leaveon duct covers to seal the horizontal discharge openings in the unit. Units installed in horizontal discharge orientation do notrequire duct covers.

Minimum cooling ambient operating temperature —Allstandard units havea minimum ambient operatingtemperatureof 55°F. With accessory low--ambient temperature kit, units can operate at temperatures down to 0°F.

Maximum operating outdoor air temperature —Maximum outdoor operating air temperature for cooling is 125°F.

Page 17

ELECTRICAL DATA

VO LTAG E

UNIT SIZE

024 208/230--1--60 187 253 13.5 61.0 0.8 4.3

030 208/230--1--60 187 253 15.9 73.0 0.8 4.3

036

042

048

060

See Legend and Notes on p. 18

V--PH--HZ

208/230--1-- 60 187 253 16.9 83.0 0.8 6.8

208/230--3-- 60 187 253 12.2 77.0 0.8 6.8

208/230--1-- 60 187 253 22.4 105.0 0.8 6.8

208/230--3-- 60 187 253 15.4 88.0 0.8 6.8

208/230--1-- 60 187 253 21.3 109.0 1.6 6.8

208/230--3-- 60 187 253 14.7 91.0 1.6 6.8

208/230--1-- 60 187 253 27.0 145.0 1.6 9.1

208/230--3-- 60 187 253 18.1 123.0 1.6 9.1

RANGE

MIN MAX RLA LRA kW*

COMPRESSOR OFM

FLA

IFM

FLA

ELECTRIC HEAT

NOMINAL

-- / -- -- / -- 22.0/22.0 30/30

3.8/5.0 18.1/20.8 27.9/31.4 30/35

5.4/7.2 26.0/30.0 37.9/42.9 40/45

7.5/10.0 36.1/41.7 50.5/57.5 60/60

-- / -- -- / -- 25.0/25.0 30/30

3.8/5.0 18.1/20.8 27.9/31.4 30/35

5.4/7.2 26.0/30.0 37.9/42.9 40/45

7.5/10.0 36.1/41.7 50.5/57.5 60/65

-- / -- -- / -- 28.7/28.7 35/35

3.8/5.0 18.1/20.8 31.1/34.5 35/35

5.4/7.2 26.0/30.0 41.0/46.0 40/50

7.5/10.0 36.1/41.7 53.6/60.6 60/70

11.3/15.0 54.2/62.5 76.2/86.6 80/90

-- / -- -- / -- 22.9/22.9 30/30

3.8/5.0 10.4/12.0 22.9/23.5 30/30

7.5/10.0 20.8/24.1 34.6/38.6 35/35

11.3/15.0 31.3/36.1 47.6/53.6 50/60

-- / -- -- / -- 35.6/35.6 45/45

3.8/5.0 18.1/20.8 35.6/35.6 40/45

5.4/7.2 26.0/30.0 41.0/46.0 40/50

7.5/10.0 36.1/41.7 53.6/60.6 60/70

11.3/15.0 54.2/62.5 76.2/86.6 80/90

15.0/20.0 72.2/83.3 98.8/112.7 100/125

-- / -- -- / -- 26.9/26.9 35/35

3.8/5.0 10.4/12.0 26.9/26.9 30/35

7.5/10.0 20.8/24.1 34.6/38.6 35/35

11.3/15.0 31.3/36.1 47.6/53.6 50/60

15.0/20.0 41.6/48.0 60.5/68.5 70/70

-- / -- -- / -- 35.0/35.0 45/45

3.8/5.0 18.1/20.8 35.0/35.0 40/45

5.4/7.2 26.0/30.0 41.0/46.0 40/50

7.5/10.0 36.1/41.7 53.6/60.6 60/70

11.3/15.0 54.2/62.5 76.2/86.6 80/90

15.0/20.0 72.2/83.3 98.8/112.7 100/125

-- / -- -- / -- 26.8/26.8 35/35

3.8/5.0 10.4/12.0 26.8/26.8 30/35

7.5/10.0 20.8/24.1 34.6/38.6 35/35

11.3/15.0 31.3/36.1 47.6/53.6 50/60

15.0/20.0 41.6/48.0 60.5/68.5 70/70

-- / -- -- / -- 44.5/44.5 60/60

3.8/5.0 18.1/20.8 44.5/44.5 45/45

5.4/7.2 26.0/30.0 43.9/48.9 60/60

7.5/10.0 36.1/41.7 56.5/63.5 50/70

11.3/15.0 54.2/62.5 79.1/89.5 80/90

15.0/20.0 72.2/83.3 101.6/115.5 110/125

-- / -- -- / -- 33.3/33.3 40/40

3.8/5.0 10.4/12.0 33.3/33.3 35/35

7.5/10.0 20.8/24.1 37.4/41.4 40/40

11.3/15.0 31.3/36.1 50.5/56.5 50/50

15.0/20.0 41.6/48.0 63.3/71.3 70/80

FLA MCA MOCP

SINGLE POINT POWER

SUPPLY

704C

Page 18

LEGEND

FLA — Full Load Amps LRA — Locked Rotor Amps MCA -- Minimum Circuit Amps MOCP — Maximum Overcurrent Protection RLA — Rated Load Amps

NO TES:

1. In compliance with NEC (National Electrical Code) requirements for multimotor and combination load equipment (refer to NE C Articles 430 and 440), the overcurrent protective device for the unit shall be Power Supply fuse. The CGA (Canadian Gas Association) units may be fuse or circuit break er.

2. Minimum wire size is based on 60 C copper wire. I f other than 60 C wire is used, or if length exceeds wire length in table, determine siz e from NEC..

3. Unbalanced 3-Phase Supply Voltage

Never operate a motor where a phase imbalance in supply volt-

704C

age is greater than 2%.

the percentage of voltage imbalance.

% Voltage imbalance

= 100 x

Heater capacity (kW) based on heater voltage of 208v & 240v. If power distibution voltage to unit varies from rated heater

volta

max voltage deviation from average voltage

e, heater kW will vary accordingly.

Use the following formula to determine

average voltage

EXAMPLE: Supply voltage is 230-3-60.

Determine maximum deviation from average voltage.

(AB) 229 (BC) 231 -

(AC) 229 Maximum deviation is 2 v.

Determine percent of voltage imbalance.

% Voltage Imbalance = 100 x

This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%.

IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local electric utility company immediately.

AB = 228 v BC = 231 v AC = 227 v

Average Voltage =

228 =1v 229 =2v 227 =2v

= 0.8%

229

= 229

228 + 231 + 227

686

C03014

Page 19

TYPICAL WIRING SCHEMATIC — 230--1--60

704C

7.0

A06126

Page 20

TYPICAL WIRING SCHEMATIC — 230--3--60

704C

5.0

A06127

Page 21

CONTROLS

Sequence of Operation

The packaged air conditioner is designed for installation with a communicating User Interface. This unit will not respond to commands provided by a common thermostat except undercertain emergency situations.

The User Interface uses temperature, humidity and other data supplied from indoor and outdoor system components to control heating or cooling system for optimum comfort. The unit will be commanded by User Interface to supply airflow. The unit will operate the indoor blower at requested airflow for most modes.

The nominal requested airflow will be 350 cfm per ton of nominal cooling capacity as defined by unit size. Actual airflow request will be adjusted from nominal using indoor and outdoor temperature and indoor humidity data to optimize the system operation for occupant comfort and system efficiency. Refer to User Interface literature for further system control details.

Airflow during electric heater operation must be greater than a minimum level for safe operation. If User Interface instructs unit to turn on electric heat and the requested airflow is less than the minimum level the unit control will override requested value.

NOTE: Once the compressor has started and then has stopped, it should not be started again until 4 minutes have elapsed. The cooling cycle remains “on” until the room temperature drops to point that is slightly below the cooling control setting of the user interface.

704C

Page 22

GUIDE SPECIFICA TIONS

SINGLE--PACKAGED ELECTRIC COOLING UNITS CONSTANT VOLUME APPLICATION

HVAC GUIDE SPECIFICATIONS SIZE RANGE: 2 TO 5 TONS, NOMINAL COOLING

MODEL NUMBER: 704C

PART I -- GENERAL

SYSTEM DESCRIPTION

Outdoorrooftop or groundmounted electriccooling unit utilizinga hermeticcompressorfor cooling duty and optionalelectric heating. Unit shalldischargesupply air vertically or horizontallyas shown oncontractdrawings.Outdoorfan/coilsection shall have a draw--thru design with vertical discharge for minimum sound levels.

QUALITY ASSURANCE

A. Unit shall be rated in accordance with ARI Standards

704C

210/240, and 270. B. Unit shall be designed in accordance with UL Standard 1995.

C. Unit shall be manufactured in a facility registered to ISO

9001 manufacturing quality standard

D. Unit shall be UL listed and c--UL certified as a total package

for safety requirements.

E. Roof curb shall be designed to conform to NRCA Standards.

F. Insulation and adhesives shall meet NFPA 90A requirements

for flame spread and smoke generation.

G. Cabinet insulation shall meet ASHRAE Standard 62P.

DELIVERY, STORAGE, AND HANDLING

Unitshallbe storedand handledper manufacturer’srecommen-

dations.

PART 2-- PRODUCTS

EQUIPMENT

A. General:

Factory--assembled, single--piece, cooling unit. Contained within the unit enclosure shall be all factory wiring, piping, controls, refrigerant charge (R--410A), and special features required prior to field start--up.

B. Unit Cabinet:

1. Unit cabinet shall be constructed of phosphated, zinc--coated, prepainted steel capable of withstanding 500 hrs of salt spray.

2. Normal service shall be through a single removable cabinet panel.

3. The unitshallbe constructedon arust proof unitbase that has an externally trapped, integrated sloped drain pan.

4. Indoor fan compartment top surface shall be insulated with a minimum 1/2-- in. thick, flexible fiberglass insulation, coated on the air side and retained by adhesive and mechanical means. The indoor wall sections will be insulated with afoil-- faced insulation capable of being wiped clean. Aluminum foil--faced fiberglass insulation shall be used in the entire indoor air cavity seciton.

5. Unit shall have a field--supplied condensate trap.

C. Fans:

1. The indoor fan shallbe variable--speed motor and control, as shown on equipment drawings.

2. Fan wheel shall be made from steel, be double--inlet type. It shall have forward--curved blades with a corrosion--resistant finish and shall be dynamically balanced.

3. Outdoor fan shall be of the direct--drivenpropeller type with aluminum blades, riveted to corrosion--resistant steel spiders. It shall be dynamically balanced and discharge air vertically.

D. Compressor:

1. Fully hermetic compressors with factory--installed vibration isolation.

2. Scroll compressors shall be standard on all units.

E. Coils:

1. Indoor and outdoor coils shall have aluminum plate fins mechanicallybonded to seamlesscopper tubes with alljoints brazed.

2. Tube sheet openings shall be bellied to prevent tube wear.

F. Refrigerant Metering Device:

Refrigerant metering device shall be of the TXV type.

G. Filters:

Filter section shall consist of field--installed, throw--away, 1--in. thick fiberglass filters of commercially available sizes.

H. Controls and Safeties:

1. Unit controls shall be complete with self--contained low voltage control circuit.

2. Units shallincorporate an internal compressorprotector that provides reset capability.

3. Unit shall provide high and low/loss--of--charge pressure safety protection.

I. Operating Characteristics:

1. Unit shall be capable of starting and running at 125°F ambient outdoor temperature, exceeding maximum load criteria of ARI Standard 240.

2. Compressor with standard controls shall be capable of operation down to 55°F ambient outdoor temperature.

J. Electrical Requirements:

All unit power wiring shall enter unit cabinet at a single location.

K. Motors:

1. Compressor motors shall be of the refrigerant--cooled type with line--break thermal and current overload protection.

2. All fan motors shall have permanently lubricated bearings and inherent automatic reset thermal overload protection.

3. Outdoor fan motor shall be totally enclosed.

L. Grille

1. Louvered Grille: Louvered grille shall be standard on all units.

Page 23

GUIDE SPECIFICATIONS (CONT)

M. Special Features:

1. Coil Options: Shall include factory--installed optional tin-- plated indoor copper/copper and vinyl--coated refrigerant coils.

2. Flat Roof Curb:

Curbs shall have seal stripand awood nailerfor flashingand shall be installed per manufacturer’s instructions.

3. Manual Outdoor Air Damper:

Packageshall consist of damper, bird screen,and rain hood which can bepresetto admitoutdoorairfor year--round ventilation.

4. Evolutiont User Interface:

To provide for two-- stage heating and one--stage cooling in addition to manual or automatic changeover and indoor fan control.

5. Low--Ambient Package:

Shall consist of a solid--state control and outdoor coil temperature sensor for controlling outdoor fan motoroperation, which shallallow unit to operate down to 0°F outdoor ambient temperature in cooling.

6. Filter Rack Kit: Shall provide filter mounting for downflow and horizontal

applications.

7. Square--To--Round Duct Transitions: Shall have the ability to convertthe supplyand return open-

ings from rectangular to round (024--048 sizes only).

8. Crankcase Heater: Shall provide anti--floodback protection for low--load cool-

ing applications. (Standard on 042--060 sizes.)

9. Compressor Protection (Time Guard

Solid--state control shall protect compressor by preventing “short cycling.”

10. Electric heaters:

a. Electric heater shall be available as a field--installed

option.

b. Heater elements shall be open-- wire type, adequately

supported and insulated with ceramic bushings.

c. Electric heater packages must provide single--point

power connection capability.

11. Compressor Hard Start Kit: Shall be available to give a boost to the compressor motor

at each start--up.

II Kit)

704C

Page 24

E2006 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 Printed in U.S.

Manufacture r reserves the right to discontinue, or change at any time, specif icatio ns or designs without notice and without incurring obligati ons.

. Edition Date: 05/06

Catalog No. PDS 704C.24.1

Replaces: New