Unitary products group BCB Series Quick start guide

257098-BTG-A-0506

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

SINGLE PACKAGE HEAT PUMP UNITS

BCB 036, 048 & 060

3, 4 & 5 NOMINAL TONS

10.0 SEER

TECHNICAL

GUIDE

TECHNICAL

GUIDE

DESCRIPTION

BCB Series heat pumps are convertible single package units

with a common cabinet and a common roof curb for the 3, 4

and 5 ton sizes. The units were designed for light commercial

and commercial applications. They can easily be installed on

a roof curb, slab, roof jack or frame.

All units include:

• Powder Paint finish that meets ASTM-B-117 1000 hour

salt spray standards

• Permanently lubricated motors

• Bottom or side air discharge configuration capability

(field convertible)

• Manufactured under the quality standards of ISO9001

• Copper tube/aluminum fin coils

• Easy access to all components

• Rigging holes in base rails for lifting

• Fork lift slots on three sides

• Single point power connection

• Complete factory package - tested, charged and wired

• CSA agency listing on all units

WARRANTY

• Factory Limited Parts Warranty

• One-year parts warranty

• A Five-year parts warranty on the compressor and

electric heat elements.

257098-BTG-A-0506

2Unitary Products Group

TABLE OF CONTENTS

DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . 3

FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

FACTORY-INSTALLED OPTIONS . . . . . . . . . . . . . . 5

FIELD-INSTALLED ACCESSORIES . . . . . . . . . . . . 5

GUIDE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . 37

LIST OF FIGURES

Fig. # Pg. #

1 UNIT CUTAWAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2 TYPICAL FIELD POWER & CONTROL WIRING . . . .21

3 UNIT DIMENSIONS (3 - 5 TON HEAT PUMP)

FRONT VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

4 UNIT WITH ECONOMIZER RAINHOOD . . . . . . . . . . .22

5 UNIT WITH FIXED OUTDOOR AIR/MOTORIZED

DAMPER RAINHOOD . . . . . . . . . . . . . . . . . . . . . . . . .23

6 UNIT DIMENSIONS (REAR VIEW) . . . . . . . . . . . . . . .23

7 DISCONNECT/BLOWER ACCESS LOCATION . . . . .24

8 TYPICAL APPLICATIONS . . . . . . . . . . . . . . . . . . . . . .25

9 FOUR AND SIX POINT LOADING . . . . . . . . . . . . . . . .26

10 ROOF CURB DIMENSIONS . . . . . . . . . . . . . . . . . . . .27

11 HEAT PUMP WITH ELECTRIC HEAT CONTROL

CIRCUIT 208/230-3-60 DIAGRAM . . . . . . . . . . . . . . . .28

12 HEAT PUMP WITH ELECTRIC HEAT CONTROL

CIRCUIT 460-3-60 DIAGRAM . . . . . . . . . . . . . . . . . . .29

13 HEAT PUMP WITH ELECTRIC HEAT CONTROL

CIRCUIT 575-3-60 DIAGRAM . . . . . . . . . . . . . . . . . . .30

14 HEAT PUMP POWER CIRCUIT 208/230-3-60 DIRECT

DRIVE INDOOR BLOWER DIAGRAM . . . . . . . . . . . . .31

15 HEAT PUMP WITH ELECTRIC HEAT POWER CIRCUIT

208/230-3-60 BELT DRIVE INDOOR BLOWER

DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

16 HEATPUMPPOWERCIRCUIT460-3-60DIRECTDRIVE

INDOOR BLOWER DIAGRAM . . . . . . . . . . . . . . . . . . .33

17 HEAT PUMP POWER CIRCUIT 460-3-60 BELT DRIVE

INDOOR BLOWER DIAGRAM . . . . . . . . . . . . . . . . . . .34

18 HEATPUMPPOWERCIRCUIT575-3-60DIRECTDRIVE

INDOOR BLOWER DIAGRAM . . . . . . . . . . . . . . . . . . .35

19 HEAT PUMP POWER CIRCUIT 575-3-60 BELT DRIVE

INDOOR BLOWER DIAGRAM . . . . . . . . . . . . . . . . . . .36

LIST OF TABLES

Tbl. # Pg. #

1 SOUND POWER RATING . . . . . . . . . . . . . . . . . . . . . . . 6

2 CAPACITY RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3 BCB036 COOLING CAPACITIES (3 TON) . . . . . . . . . . 7

4 BCB048 COOLING CAPACITIES (4 TON) . . . . . . . . . . 8

5 BCB060 COOLING CAPACITIES (5 TON) . . . . . . . . . . 9

6 BCB HEATING CAPACITIES . . . . . . . . . . . . . . . . . . . 10

7 SUPPLY AIR BLOWER PERFORMANCE (3 TON BELT

DRIVE) - SIDE DUCT APPLICATION . . . . . . . . . . . . . 11

8 SUPPLY AIR BLOWER PERFORMANCE (4 TON BELT

DRIVE) - SIDE DUCT APPLICATION . . . . . . . . . . . . . 12

9 SUPPLY AIR BLOWER PERFORMANCE (5 TON BELT

DRIVE) - SIDE DUCT APPLICATION . . . . . . . . . . . . . 13

10 SUPPLY AIR BLOWER PERFORMANCE (3 - 5 TON

DIRECT DRIVE) - SIDE DUCT APPLICATION . . . . . . 14

11 BELT DRIVE BLOWER MOTOR AND DRIVE DATA. . 14

12 STATIC RESISTANCES . . . . . . . . . . . . . . . . . . . . . . . 15

13 ELECTRIC HEATER CFM LIMITATIONS . . . . . . . . . . 15

14 ELECTRICAL DATA - BCB036 - 060

DIRECT DRIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

15 ELECTRICAL DATA - BCB036 - 060

BELT DRIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

16 PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

17 ELECTRIC HEAT CORRECTION FACTORS . . . . . . 20

18 VOLTAGE LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . 20

19 UTILITIES ENTRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

20 MINIMUM CLEARANCES . . . . . . . . . . . . . . . . . . . . . . 24

21 BCB 4 POINT LOADS WEIGHT DISTRIBUTION . . . . 26

22 BCB 6 POINT LOADS WEIGHT DISTRIBUTION . . . . 26

23 CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . . . . . . 26

24 OPERATING WEIGHTS (LBS.) . . . . . . . . . . . . . . . . . . 26

257098-BTG-A-0506

Unitary Products Group 3

PRODUCT NOMENCLATURE

FEATURES

All units are self-contained and assembled on full perimeter

base rails with forklift holes on three sides and holes for over-

head rigging. Every unit is completely piped, wired, charged

and tested at the factory to simplify the field installation and to

provide years of dependable operation.

All models (including those with an economizer) are suitable

for either bottom or horizontal duct connections. For bottom

duct, remove the sheet metal panels from the supply and

return air openings through the base of the unit. For horizon-

tal duct, remove the supply and return air panels on the rear

of the unit.

All models are available with the “factory mounted” outdoor

air damper option:

• Single enthalpy economizer

Supply air blowers are equipped with either a direct drive or a

belt drive that can be adjusted to meet the exact require-

ments of the job.

All compressors are equipped with internal pressure relief.

Every refrigerant circuit includes a liquid line filter-drier, a high

pressure switch and a suction line with a freezestat and low

pressure/loss of charge switch to protect all system compo-

nents.

• Control boards have standardized a number of features

previously available only as options or by utilizing addi-

tional controls.

•Low Ambient - An integrated low-ambient control

allows all units to operate in the cooling mode down

to 0ºF outdoor ambient without additional assis-

tance. Optionally, the control board can be pro-

grammed to lockout the compressors when the

outdoor air temperature is low or when free cooling

is available.

•Anti-Short Cycle Protection - To aid compressor

life, an anti-short cycle delay is incorporated into the

standard controls. Compressor reliability is further

ensured by programmable minimum run times. For

testing, the anti short cycle delay can be temporarily

overridden with the push of a button.

•Fan Delays - Fan on and fan off delays are fully pro-

grammable and are independent of one another. All

units are programmed with default values based

upon their configuration of cooling and heat.

•Safety Monitoring - The control board monitors the

high and low-pressure switches, the freezestats, the

gas valve, if applicable, and the temperature limit

switch on gas heat units. The unit control board will

alarm on ignition failures, compressor lockouts and

repeated limit switch trips.

•Nuisance Trip Protection- To prevent nuisance

trouble calls, the control board uses a “three strikes,

you’re out” philosophy. The high and low-pressure

switches and the freezestats must trip three times

within two hours before the unit control board will

lock out the compressor.

•On Board Diagnostics - Each alarm will energize a

trouble light on the thermostat, if so equipped, and

flash an alarm code on the control board LED. Each

high and low-pressure switch alarm as well as each

freezestat alarm has its own flash code. The control

board saves the five most recent alarms in memory,

and these alarms can be reviewed at any time.

Alarms and programmed values are retained

through the loss of power.

All units have long lasting powder paint cabinets with 1000

hour salt spray test approval under ASTM-B117 procedures.

All models are CSA listed.

B D C B A

PRODUCT GENERATION

D = Fourth Generation

E = Fifth Generation

F = Sixth Generation

PRODUCT CATEGORY

B = Single Package Heat Pump

(Air Cooled)

PRODUCT IDENTIFIER

CB = Heat Pump

VOLTAGE CODE

-T = 208/230-3-60

-W = 460-3-60

-X = 575-3-60

036 = 3 Ton

048 = 4 Ton

060 = 5 Ton

30 6- T

FACTORY INSTALLED HEAT

A = No Supplemental Heat

NOMINAL COOLING CAPACITY

257098-BTG-A-0506

4Unitary Products Group

•Warranty - All models include a one-year limited parts

warranty on the complete unit. Compressors and electric

heater elements carry a five-year warranty

•Electric Heat Operation - All electric heat models are

wired for a single power source and include a bank of

nickel chromium elements mounted at the discharge of

the supply air blower to provide a high velocity and uni-

form distribution of air across the heating elements.

Every element is fully protected against excessive tem-

perature by thermal limit switches.

The power supply wiring can be routed into the control

box through a threaded pipe connection (field supplied)

in the base pan of the unit or through a knockout in the

wiring panel on the side of the unit.

FIGURE 1 - UNIT CUTAWAY

257098-BTG-A-0506

Unitary Products Group 5

FACTORY-INSTALLED OPTIONS

•SINGLE INPUT ELECTRONIC ENTHALPY ECONO-

MIZERS - Includes a slide-in / plug-in damper assembly

with fully modulating spring-return motor actuator capa-

ble of introducing up to 100% outdoor air with nominal

1% leakage type dampers.

The enthalpy system contains one sensor that monitors

the outdoor air and determines when the air is cool

enough and dry enough to provide free cooling.

The rainhood is painted to match the basic unit and must

be field-assembled before installing.

•PHENOLIC COATED CONDENSER COILS - Special

coating process that utilizes Technicoat 10-1TM pro-

cesses. Coating is applied by total immersion of the com-

plete coil for maximum protection.

•BELT DRIVE INDOOR FAN - Includes belt drive indoor

fan and motor with unit access for belt adjustment and

service.

FIELD-INSTALLED ACCESSORIES

•SINGLE INPUT ELECTRONIC ENTHALPY ECONO-

MIZERS - Includes a slide-in / plug-in damper assembly

with fully modulating spring-return motor actuator capa-

ble of introducing up to 100% outdoor air with nominal

1% leakage type dampers.

The enthalpy system contains one sensor that monitors

the outdoor air and determines when the air is cool

enough and dry enough to provide free cooling.

The rainhood is painted to match the basic unit and must

be field-assembled before installing.

•MOTORIZED OUTDOOR AIR INTAKE DAMPER -

Includes a slide-in / plug-in damper assembly with a 2-

position, spring return motor actuator which opens to

some pre-set position whenever the supply air blower is

operating and will drive fully closed when the blower unit

shuts down.

The rain hood is painted to match the basic unit and

must be field assembled before installing.

•ELECTRIC HEATERS - wired for single point power

supply. These nickel chromium heater elements are pro-

vided with limit and automatic reset capability to prevent

operation at excessive temperatures.

•ROOF CURBS - Eight and fourteen-inch high roof curbs

provide a water-tight seal between the unit and the fin-

ished roof. These full perimeter curbs meet the require-

ments of the National Roofing Contractors Association

(NRCA) and are shipped knocked-down for field assem-

bly.

Roof curbs are designed to fit inside the base rails of the

unit and include both a wood nailing strip and duct

hanger supports.

•POWER EXHAUST - Our single input economizer

options are available with power exhaust. Whenever the

outdoor air intake dampers are opened for free cooling,

the exhaust fan will be energized to prevent the condi-

tioned space from being over-pressurized during econo-

mizer operation.

The power exhaust option can only be used on bot-

tom duct configurations.

•BAROMETRIC RELIEF DAMPER - This damper acces-

sory can be used to relieve internal building air pressure

on units with an economizer without power exhaust. This

accessory includes a rain hood, a bird screen and a fully

assembled damper. With bottom duct connections, the

damper should be mounted over the opening in the

return air panel. With horizontal ductwork, the accessory

should be mounted on the return air duct.

•ENTHALPY ACCESSORY CONTROL KIT - This kit

contains the required components to convert a single

enthalpy economizer to dual enthalpy.

•BURGLAR BARS - Mount in the supply and return

openings to prevent entry into the duct work.

•COIL GUARD - Customers can purchase a coil guard kit

to protect the condenser coil from damage. This is not a

hail guard kit.

•HAIL GUARD - Hail guard is available to protect the unit

from hail damage. This is a sloped hood that fits above

the coil.

•MANUAL OUTDOOR AIR DAMPERS - Provide 0% to

100% outdoor air capability.

257098-BTG-A-0506

6Unitary Products Group

NOTES:

SEER = Seasonal Energy Efficiency Ratio - the total cooling output in BTU’s during a normal annual usage period for cooling divided

by the total electric power input in watt-hours during the same period.

EER = Energy Efficiency Ratio - the cooling capacity in BTU’s per hour (BTUH) divided by the power input in watts at any given set of

rating conditions, expressed in BTUH per watt (BTUH/watt).

HSPF = Heating Seasonal Performance Factor - the total heating output during a normal annual usage period for heating divided by

the total electric power input during the same period. (Based on Region IV minimum design heating requirement.)

TABLE 1: SOUND POWER RATING1

UNIT

SIZE CFM ESP BLOWER SOUND POWER (db 10-12 Watts)

Octave Band Centerline Frequency (Hz) SWL

dB(A)

10Ft.2

IWG SPEED KW 63 125 250 500 1,000 2,000 4,000 8,000

036 1,200 0.6 LOW 0.60 84 84 74 67 69 62 57 52 74 41

048 1,600 0.55 HIGH 0.80 85 85 75 68 70 63 58 53 75 42

060 2,000 0.45 HIGH 1.00 86 86 76 69 71 64 59 54 76 43

1. These values have been accessed using a model of sound propagation from a point source into the hemispheric\free field. The

dBA values provided are to be used for reference only. Calculation of dBA values cover matters of system design and the fan

manufacture has no way of knowing the details of each system. This constitutes and expectation to any specification or guaran-

tee requiring a dBA value or sound data in any other form than sound power level ratings.

2. At a distance of 10 feet from the blower.

TABLE 2: CAPACITY RATINGS

UNIT SIZE

(MBH)

ARI RATINGS1

COOLING PERFORMANCE SOUND

RATING2

bels HSPF

HEATING CAPACITY

47°F 17°F

MBH SEER EER MBH COP MBH COP

036 39 10.00 9.20 8.6 7.3 39.0 3.0 23.0 2.1

048 48 10.20 9.25 8.6 6.7 48.0 3.0 26.4 2.0

060 59 10.00 9.20 8.4 7.0 59.0 3.0 36.0 2.1

1. Certified in accordance with the Unitary Small Equipment certification program, which is based on ARI Standard 210/240.

2. Rated in accordance with ARI Standard 270.

257098-BTG-A-0506

Unitary Products Group 7

TABLE 3: BCB036 COOLING CAPACITIES (3 TON)

CFM WB °F 86 83 80 77 74 71 68 86 83 80 77 74 71 68

72 51 3.4 37 32 28 24 19 - - 47 3.7 34 29 25 22 17 - -

67 46 3.4 40 40 36 31 26 21 16 44 3.7 38 38 34 29 24 20 15

62 42 3.3 42 42 41 39 34 29 24 38 3.6 38 38 37 35 30 26 21

57 42 3.3 42 42 42 40 35 30 25 37 3.6 37 37 37 35 30 26 22

72 49 3.4 35 30 26 22 18 - - 46 3.7 32 28 24 20 16 - -

67 45 3.4 39 37 33 29 24 20 15 42 3.7 36 34 30 27 22 18 14

62 41 3.3 41 41 40 37 32 28 24 37 3.6 37 37 36 33 28 25 21

57 41 3.3 41 41 41 38 34 29 25 36 3.6 36 36 36 33 29 25 21

72 48 3.4 33 29 24 20 16 - - 45 3.7 30 27 22 18 15 - -

67 44 3.3 39 36 32 28 23 20 15 41 3.7 36 33 29 26 21 18 13

62 40 3.3 40 39 38 34 30 26 22 36 3.6 36 35 34 30 27 23 19

57 40 3.3 40 40 39 35 31 27 23 36 3.5 36 36 35 31 27 24 20

72 47 3.4 31 27 24 20 16 - - 44 3.7 29 25 22 18 14 - -

67 41 3.3 36 32 29 25 22 18 14 39 3.6 34 30 27 23 20 17 13

62 38 3.3 38 37 36 32 29 25 21 35 3.6 35 34 33 29 26 23 19

57 37 3.3 37 37 36 33 30 26 22 35 3.5 35 35 34 31 28 24 20

72 45 3.3 28 25 22 19 16 - - 42 3.6 26 23 20 17 14 - -

67 41 3.3 34 30 27 24 20 17 14 38 3.6 31 27 25 22 18 15 12

62 36 3.3 36 35 33 30 27 24 21 34 3.5 34 33 31 28 25 22 19

57 36 3.3 36 36 34 31 28 25 22 33 3.5 33 33 31 28 25 22 20

72 45 3.3 26 24 20 17 15 - - 40 3.6 23 21 17 15 13 - -

67 39 3.3 31 28 25 22 19 17 14 35 3.6 27 25 22 19 17 15 12

62 35 3.2 35 34 32 29 25 23 20 32 3.5 32 30 28 25 22 20 17

57 35 3.2 35 35 32 30 26 24 21 31 3.5 31 31 28 26 23 21 18

CFM WB °F 86 83 80 77 74 71 68 86 83 80 77 74 71 68

72 44 4.0 31 27 24 20 16 - - 42 4.2 30 26 23 19 15 - -

67 40 4.0 34 34 31 26 22 18 13 36 4.1 31 31 28 24 20 16 12

62 35 3.9 35 35 34 32 28 24 20 34 4.1 34 34 33 31 27 23 19

57 35 3.9 35 35 35 33 29 25 20 33 4.1 33 33 33 31 27 23 19

72 43 4.0 30 26 22 19 15 - - 41 4.2 29 25 21 18 15 - -

67 38 4.0 32 31 27 24 20 16 12 35 4.1 30 28 25 22 18 15 11

62 34 3.9 34 34 33 30 26 23 19 33 4.1 33 33 32 29 25 22 19

57 34 3.9 34 34 34 31 28 24 20 32 4.1 32 32 32 29 26 22 19

72 42 4.0 28 25 21 17 14 - - 39 4.2 26 23 19 16 13 - -

67 37 4.0 32 30 26 23 19 16 12 34 4.1 30 27 24 21 17 15 11

62 33 3.9 33 32 31 28 24 21 18 32 4.1 32 31 30 27 24 20 17

57 32 3.8 32 32 31 28 24 21 18 32 4.0 32 32 31 28 24 21 18

72 41 4.0 27 23 20 17 13 - - 37 4.2 24 21 18 15 12 - -

67 35 3.9 30 27 24 21 18 15 11 32 4.1 28 24 22 19 17 14 10

62 32 3.9 32 31 30 26 24 21 17 30 4.1 30 29 28 25 22 19 16

57 31 3.8 31 31 31 27 25 21 18 29 4.0 29 29 29 25 23 20 17

72 40 3.9 24 22 19 16 14 - - 35 4.1 21 19 17 14 12 - -

67 34 3.9 28 24 22 19 16 14 11 31 4.0 25 22 20 18 15 12 10

62 30 3.8 30 29 27 25 22 20 17 29 4.0 29 28 26 24 21 19 16

57 30 3.8 30 30 28 25 23 20 18 28 4.0 28 28 26 24 21 19 17

72 38 3.9 21 20 16 14 12 - - 34 4.1 19 18 15 12 11 - -

67 32 3.9 25 22 20 18 15 13 11 29 4.0 23 20 18 16 14 12 10

62 29 3.8 29 27 25 23 20 18 16 27 4.0 27 25 24 21 18 17 15

57 29 3.8 29 29 26 24 21 19 17 26 4.0 26 26 23 22 19 17 15

NOMINAL RATING

900

TOTAL

CAP.1

MBH

POWER

INPUT2kW

TOTAL

CAP.1

MBH

TOTAL

CAP.1

MBH

POWER

INPUT2kW

TOTAL

CAP.1

MBH

1750

1050

POWER

INPUT2kW

ENTERING DRY BULB, °F ENTERING DRY BULB, °F

AIR ON

EVAPORATOR

COIL

TEMPERATURE OF AIR ON CONDENSER COIL

105°F 115°F

1200

SENSIBLE CAPACITY1

1400

1200

SENSIBLE CAPACITY1

1400

SENSIBLE CAPACITY1

1500

900

1050

1500

ENTERING DRY BULB, °F

AIR ON

EVAPORATOR

COIL

TEMPERATURE OF AIR ON CONDENSER COIL

85°F

POWER

INPUT2kW

95°F

SENSIBLE CAPACITY1

1750

ENTERING DRY BULB, °F

1. These capacities are gross ratings. For net capacity, determine the kW of the supply air blower motor from the SUPPLY AIR BLOWER PERFORMANCE

Table, multiply this value by 3.415 MBH/kW to determine the motor heat, and deduct this heat from the gross capacity of the unit.

2. These ratings include the compressor and the condenser fan motors but not the supply air blower motor. The total condenser fan motor power input

is 0.35kW. Refer to the SUPPLY AIR BLOWER PERFORMANCE Table for the kW of the supply air blower motor.

257098-BTG-A-0506

8Unitary Products Group

TABLE 4: BCB048 COOLING CAPACITIES (4 TON)

CFM WB °F 86 83 80 77 74 71 68 86 83 80 77 74 71 68

72 56 4.1 42 36 31 26 - - - 53 4.5 40 35 29 24 - - -

67 53 4.0 48 47 41 36 30 25 - 51 4.4 46 45 41 35 30 24 -

62 49 4.0 49 49 48 44 38 33 28 46 4.3 46 46 45 41 35 30 24

57 49 3.9 49 49 49 44 38 33 28 46 4.3 46 46 46 41 35 30 24

72 55 4.0 40 35 30 25 - - - 53 4.4 38 33 28 23 - - -

67 52 4.0 47 44 39 34 29 24 - 51 4.4 44 44 39 34 29 24 -

62 48 3.9 48 48 47 43 38 33 28 47 4.3 47 47 45 40 36 31 26

57 48 3.9 48 48 48 43 38 33 28 45 4.2 45 45 45 40 35 30 25

72 53 4.0 37 33 28 24 - - - 52 4.4 36 32 27 23 - - -

67 51 4.0 46 42 37 33 28 24 - 50 4.3 44 43 38 34 29 25 -

62 47 3.9 47 47 46 41 37 32 28 45 4.2 45 45 44 40 36 31 27

57 47 3.9 47 47 47 42 38 33 29 44 4.1 44 44 44 40 36 31 27

72 52 4.0 34 30 26 22 - - - 49 4.3 33 29 25 21 - - -

67 49 3.9 42 38 34 30 26 22 - 47 4.2 42 38 34 30 26 22 -

62 46 3.8 46 45 42 38 34 30 26 43 4.1 43 42 40 36 32 28 24

57 45 3.8 45 45 43 39 35 31 27 42 4.1 42 42 40 36 32 28 24

72 50 3.9 31 27 24 20 - - - 47 4.2 29 25 22 18 - - -

67 47 3.9 38 35 31 28 24 21 - 45 4.2 37 34 30 27 23 20 -

62 44 3.8 44 42 39 35 32 28 25 40 4.1 40 39 36 32 29 25 22

57 44 3.7 44 43 39 36 32 29 25 40 4.0 40 39 36 32 29 25 22

CFM WB °F 86 83 80 77 74 71 68 86 83 80 77 74 71 68

72 51 4.9 40 35 29 24 - - - 49 5.2 39 34 29 23 - - -

67 46 4.7 42 42 39 34 28 23 - 41 5.0 40 40 37 32 26 21 -

62 43 4.6 43 43 42 37 32 27 21 40 4.9 40 40 39 34 29 23 18

57 43 4.6 43 43 43 38 32 28 22 40 4.8 40 40 40 34 30 24 19

72 50 4.8 38 33 28 23 - - - 47 5.1 37 32 27 22 - - -

67 45 4.7 41 41 37 32 27 22 - 40 4.9 37 36 35 30 25 20 -

62 42 4.6 42 42 41 37 32 27 22 39 4.8 39 39 37 34 29 24 19

57 42 4.5 42 42 42 37 33 27 23 38 4.7 38 38 38 33 30 25 20

72 49 4.8 35 31 26 22 - - - 46 5.1 34 29 25 20 - - -

67 44 4.6 40 40 35 31 26 22 - 39 4.9 36 36 32 28 23 19 -

62 41 4.5 41 41 40 35 32 27 23 37 4.7 37 37 36 33 28 24 19

57 41 4.4 41 41 41 36 32 28 23 37 4.7 37 37 37 34 28 25 20

72 47 4.7 32 28 24 20 - - - 44 5.0 31 27 23 19 - - -

67 42 4.5 38 36 32 28 24 20 - 37 4.8 36 34 30 26 21 17 -

62 39 4.4 39 38 37 33 28 25 20 36 4.7 36 35 34 30 26 22 18

57 39 4.4 39 39 37 33 29 25 21 36 4.6 36 36 34 31 26 23 19

72 44 4.6 28 25 21 18 - - - 42 4.9 28 24 21 17 - - -

67 40 4.5 36 32 29 25 22 18 - 36 4.7 34 31 27 24 20 17 -

62 38 4.4 38 36 34 29 27 22 20 35 4.6 35 34 30 28 24 20 17

57 37 4.3 37 37 34 30 27 23 20 35 4.6 35 35 31 29 24 21 18

NOMINAL RATING

1200

TOTAL

CAP.1

MBH

POWER

INPUT2kW

TOTAL

CAP.1

MBH

TOTAL

CAP.1

MBH

POWER

INPUT2kW

TOTAL

CAP.1

MBH

2000

1800

1600

1400

POWER

INPUT2kW

ENTERING DRY BULB, °F ENTERING DRY BULB, °F

AIR ON

EVAPORATOR

COIL

TEMPERATURE OF AIR ON CONDENSER COIL

105°F 115°F

SENSIBLE CAPACITY1SENSIBLE CAPACITY1

SENSIBLE CAPACITY1

ENTERING DRY BULB, °F

AIR ON

EVAPORATOR

COIL

TEMPERATURE OF AIR ON CONDENSER COIL

1200

1400

85°F

POWER

INPUT2kW

95°F

SENSIBLE CAPACITY1

ENTERING DRY BULB, °F

2000

1800

1600

1. These capacities are gross ratings. For net capacity, determine the kW of the supply air blower motor from the SUPPLY AIR BLOWER PERFORMANCE

Table, multiply this value by 3.415 MBH/kW to determine the motor heat, and deduct this heat from the gross capacity of the unit.

2. These ratings include the compressor and the condenser fan motors but not the supply air blower motor. The total condenser fan motor power input

is 0.35kW. Refer to the SUPPLY AIR BLOWER PERFORMANCE Table for the kW of the supply air blower motor.

257098-BTG-A-0506

Unitary Products Group 9

TABLE 5: BCB060 COOLING CAPACITIES (5 TON)

CFM WB °F 86 83 80 77 74 71 68 86 83 80 77 74 71 68

72 68 5.7 51 44 38 31 - - - 67 6.0 51 45 38 31 - - -

67 65 5.6 58 56 50 43 37 30 - 64 5.9 56 56 50 43 37 30 -

62 61 5.6 61 61 59 53 46 39 33 59 5.9 59 59 57 50 44 38 31

57 60 5.5 60 60 59 53 47 40 33 58 5.8 58 58 57 51 44 39 32

72 67 5.6 48 42 36 30 - - - 66 5.9 48 42 36 30 - - -

67 64 5.6 57 54 48 42 36 30 - 63 5.9 55 54 48 42 35 29 -

62 60 5.5 60 60 57 51 45 39 33 57 5.8 57 57 55 50 44 38 32

57 59 5.5 59 59 58 52 46 40 34 57 5.8 57 57 56 50 45 39 33

72 66 5.6 45 40 34 29 - - - 65 5.9 45 40 34 29 - - -

67 63 5.5 56 51 45 40 35 29 - 61 5.9 55 51 45 40 34 29 -

62 59 5.4 59 59 55 50 44 39 33 56 5.8 56 56 54 49 44 38 33

57 58 5.4 58 58 57 52 46 41 36 56 5.7 56 56 55 50 44 39 34

72 64 5.5 42 37 32 27 - - - 62 5.9 43 38 33 28 - - -

67 61 5.5 52 47 42 37 33 28 - 59 5.8 53 48 44 39 34 29 -

62 57 5.4 57 56 51 46 41 37 32 54 5.7 54 54 52 48 43 38 33

57 57 5.4 57 57 53 48 44 39 34 54 5.7 54 54 53 49 43 39 34

72 62 5.5 38 34 30 25 - - - 60 5.8 41 36 32 28 - - -

67 59 5.5 48 43 39 35 31 26 - 57 5.8 51 46 42 38 34 29 -

62 55 5.4 55 52 47 43 39 35 30 52 5.7 52 52 50 46 42 38 34

57 55 5.3 55 54 49 45 41 37 32 52 5.6 52 52 51 47 42 39 35

CFM WB °F 86 83 80 77 74 71 68 86 83 80 77 74 71 68

72 64 6.0 51 44 38 31 - - - 60 6.9 50 43 37 30 - - -

67 59 5.9 51 51 49 42 36 29 - 54 6.6 54 53 47 41 34 27 -

62 54 5.9 54 54 51 46 40 33 26 49 6.5 49 49 48 42 35 28 22

57 54 5.8 54 54 52 46 41 33 26 49 6.5 49 49 49 43 35 28 23

72 63 5.9 48 42 36 30 - - - 60 6.8 47 41 35 29 - - -

67 58 5.9 51 51 46 40 34 28 - 54 6.6 47 47 45 39 32 26 -

62 53 5.8 53 53 52 46 40 34 28 49 6.5 49 49 47 42 36 30 24

57 53 5.8 53 53 52 46 41 35 27 49 6.4 49 49 48 43 37 31 25

72 62 5.9 45 39 34 28 - - - 59 6.8 44 38 33 27 - - -

67 57 5.9 51 49 44 38 33 27 - 53 6.5 45 45 42 36 31 26 -

62 52 5.8 52 52 51 46 40 35 30 48 6.4 48 48 46 42 36 31 25

57 52 5.7 52 52 51 46 40 36 31 47 6.4 47 47 46 43 36 32 25

72 60 5.9 41 37 32 27 - - - 56 6.7 40 35 30 25 - - -

67 55 5.8 48 46 41 36 31 26 - 51 6.5 43 43 38 33 29 24 -

62 50 5.7 50 50 48 43 39 34 29 46 6.4 46 46 43 38 33 28 24

57 50 5.7 50 50 48 43 39 34 30 45 6.3 45 45 43 38 33 28 25

72 57 5.8 38 34 30 25 - - - 53 6.6 36 31 27 23 - - -

67 53 5.8 47 43 38 34 30 26 - 48 6.4 41 39 35 30 26 22 -

62 48 5.7 48 48 45 41 37 32 28 44 6.3 44 44 39 35 30 26 22

57 48 5.6 48 48 45 41 38 32 28 43 6.2 43 43 40 36 30 26 23

NOMINAL RATING

1500

TOTAL

CAP.1

MBH

POWER

INPUT2kW

TOTAL

CAP.1

MBH

TOTAL

CAP.1

MBH

POWER

INPUT2kW

TOTAL

CAP.1

MBH

2500

2250

2000

1750

POWER

INPUT2kW

ENTERING DRY BULB, °F ENTERING DRY BULB, °F

AIR ON

EVAPORATOR

COIL

TEMPERATURE OF AIR ON CONDENSER COIL

105°F 115°F

SENSIBLE CAPACITY1SENSIBLE CAPACITY1

SENSIBLE CAPACITY1

ENTERING DRY BULB, °F

AIR ON

EVAPORATOR

COIL

TEMPERATURE OF AIR ON CONDENSER COIL

1500

1750

85°F

POWER

INPUT2kW

95°F

SENSIBLE CAPACITY1

ENTERING DRY BULB, °F

2500

2250

2000

1. These capacities are gross ratings. For net capacity, determine the kW of the supply air blower motor from the SUPPLY AIR BLOWER PERFORMANCE

Table, multiply this value by 3.415 MBH/kW to determine the motor heat, and deduct this heat from the gross capacity of the unit.

2. These ratings include the compressor and the condenser fan motors but not the supply air blower motor. The total condenser fan motor power input

is 0.35kW. Refer to the SUPPLY AIR BLOWER PERFORMANCE Table for the kW of the supply air blower motor.

257098-BTG-A-0506

10 Unitary Products Group

TABLE 6: BCB HEATING CAPACITIES

CAP

&KW-100 102030405060

MBH 13.1 16.4 23.5 29.1 30.2 41.7 47 48.2

KW 2.9 3 3.2 3.3 3.5 3.7 3.8 3.9

MBH 11.9 15 21.5 26.7 27.7 38.2 43.1 44.1

KW 3 3.1 3.4 3.4 3.6 3.8 3.9 4.1

MBH 10.9 13.6 19.6 24.3 25.2 34.8 39.3 40.2

KW 3.1 3.2 3.4 3.5 3.8 3.9 4.1 4.2

MBH 12.4 15.5 22.5 27.7 28.7 39.6 44.7 45.8

KW 2.7 2.9 3 3.1 3.3 3.5 3.6 3.7

MBH 11.4 14.1 20.3 25.2 26.1 36.1 40.7 41.6

KW 2.9 3 3.2 3.3 3.5 3.7 3.8 3.9

MBH 10.4 13.1 18 23.2 24.2 33.3 37.6 38.5

KW 3 3.1 3.2 3.4 3.6 3.8 3.9 4

MBH 11.8 14.8 21.3 26.5 27.5 37.8 42.7 43.7

KW 2.7 2.8 3 3.1 3.3 3.4 3.5 3.6

MBH 10.8 13.5 19.4 24 24.9 34.4 38.8 39.7

KW 2.9 3 3.1 3.3 3.4 3.6 3.7 3.8

MBH 9.9 12.4 17.8 22 22.9 31.5 35.6 36.5

KW 2.9 3.1 3.2 3.4 3.5 3.7 3.8 3.9

MBH 11.2 14.1 20.3 25.2 26.1 35.9 40.6 41.6

KW 2.6 2.7 2.9 3 3.3 3.3 3.5 3.5

MBH 10.2 12.8 18.5 22.8 23.6 32.7 36.9 37.8

KW 2.8 2.9 3 3.2 3.3 3.5 3.6 3.7

MBH 9.3 11.7 16.7 20.7 21.5 29.8 33.6 34.4

KW 2.8 3 3.1 3.3 3.4 3.6 3.7 3.8

MBH 12.3 17.3 22.5 28.2 36.3 44.5 53.8 61.6

KW 3.4 3.5 3.6 3.6 3.8 4 4.6 5.2

MBH 11.8 16.6 21.6 27.1 34.9 42.8 51.7 59.2

KW 3.5 3.6 3.8 3.8 4 4.2 4.8 5.4

MBH 10.9 15.3 19.9 24.9 32.1 39.4 47.6 54.5

KW 3.6 3.7 4 4 4.1 4.4 5 5.7

MBH 12.1 17 22 27.7 34.5 42.3 51.2 58.6

KW 3.3 3.4 3.5 3.6 3.6 3.8 4.4 5

MBH 11.6 16.3 21.2 26.6 33.2 40.7 49.2 56.3

KW 3.4 3.5 3.6 3.7 3.8 4 4.6 5.2

MBH 10.7 15 19.5 24.5 30.5 37.4 45.3 51.8

KW 3.5 3.6 3.8 3.9 4 4.2 4.8 5.4

MBH 10.9 15.3 19.9 24.9 31.7 38.9 47 53.8

KW 3.1 3.2 3.3 3.4 3.5 3.7 4.2 4.8

MBH 10.5 14.7 19.1 24 30.5 37.4 45.2 51.7

KW 3.2 3.3 3.4 3.5 3.6 3.8 4.4 5

MBH 9.6 13.5 17.6 22 28.1 34.4 41.6 47.6

KW 3.3 3.4 3.5 3.6 3.8 4 4.6 5.2

MBH 18.2 24.7 31.1 38.4 45.6 55.4 64.7 75.6

KW 5 5.1 5.2 5.3 5.3 5.6 5.9 6.5

MBH 17.5 23.7 29.9 37 43.9 53.3 62.2 72.7

KW 5.2 5.3 5.4 5.5 5.6 5.9 6.2 6.8

MBH 16.1 21.8 27.5 34 40.4 49 57.2 66.9

KW 5.4 5.6 5.7 5.8 5.9 6 6.5 7.2

MBH 18 24.4 30.8 38.1 45 54.7 63.9 74.7

KW 4.7 4.8 4.9 5 5.3 5.5 5.8 6.4

MBH 17.3 23.5 29.6 36.6 43.3 52.6 61.4 71.8

KW 4.9 5 5.1 5.2 5.5 5.8 6.1 6.7

MBH 15.9 21.6 27.2 33.7 39.8 48.4 56.5 66.1

KW 5.1 5.3 5.4 5.5 5.8 6.1 6.4 7

MBH 16.2 22 27.8 34.3 41.4 50.2 58.7 68.6

KW 4.5 4.6 4.7 4.8 5 5.3 5.5 6.1

MBH 15.6 21.2 26.7 33 39.8 48.3 56.4 66

KW 4.7 4.8 4.9 5 5.2 5.5 5.8 6.4

MBH 14.4 19.5 24.6 30.4 36.6 44.5 51.9 60.7

KW 4.9 5 5.1 5.2 5.5 5.8 6.1 6.7

1750

1400

1500

2000

2500

1200

1600

OUTDOOR AIR TEMPERATURE, °F (72% RH)

CFM RET. AIR °FModel Tonnage

2000

1050

1200

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