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268723-BIM-C-0908

Johnson Controls Unitary Products

11

 

060

(5.0)

208/230-1-60 26.2 150

41

2.3

7.6

None

-

-

-

42.7

60

2NP04501006

7.5 / 10

2

36.1 / 41.7

87.8 / 94.7

100 / 110

2NP04501506 11.3 / 15

2

54.2 / 62.5 110.4 / 120.8

125 / 125

2NH04502006

15 / 20

2

72.2 / 83.3 132.9 / 146.8

150 / 150

2NP04502506 18.8 / 25

2

90.3 / 104.2 155.5 / 172.9

175 / 175

208/230-3-60 17.9 120

28

2.3

7.6

None

-

-

-

32.3

40

2NH04501025

7.5 / 10

1

20.8 / 24.1

58.3 / 62.3

70 / 70

2NH04501525 11.3 / 15

1

31.3 / 36.1

71.4 / 77.4

80 / 80

2NH04502025

15 / 20

2

41.7 / 48.1

84.4 / 92.4

90 / 100

2NH04502525 18.8 / 25

2

52.1 / 60.1

97.4 / 107.5

100 / 110

460-3-60

9.6

70

15

1.3

3.8

None

-

-

-

17.1

25

2NP04501046

10

1

12

32.1

35

2NH04501546

15

1

18

39.7

40

2NH04502046

20

2

24.1

47.2

50

2NP04502546

25

2

30.1

54.7

60

1. Minimum Circuit Ampacity.
2. Maximum Over Current Protection per standard UL 1995.
3. Fuse or HACR circuit breaker size installed at factory or field installed.

Table 6:

Physical Data  

Component

Models

BUZ024

BUZ030

BUZ036

BUZ042

BUZ048

BUZ060

Nominal Tonnage

2.0

2.5

3.0

3.5

4.0

5.0

ARI COOLING PERFORMANCE

Gross Capacity @ ARI A point (Btu)

22.9

29.7

36.0

41.3

47.2

57.5

ARI net capacity (Btu)

22.8

29.2

33.6

40.5

45.5

56.0

EER

11.4

11.25

11.0

11.25

10.65

11.0

SEER

13

13

13

13

13

13

Nominal CFM

800

950

1100

1400

1450

1550

System power (KW)

2.0

2.6

3.1

3.6

4.1

5.10

Refrigerant type

R410a

R410a

R410a

R410a

R410a

R410a

Refrigerant charge (lb-oz)

6-0

7-4

9-6

12-0

10-10

11-8

ARI HEATING PERFORMANCE

47°F Capacity Rating (Mbh)

22.2

27.8

32.8

40.0

45.5

56.0

System Power (Kw/COP)

3.4

3.3

3.0

3.0

3.0

2.90

17°F Capacity Rating (Mbh)

11.5

14.6

19.2

23.2

27.4

33.0

System Power (Kw/COP)

2.0

2.0

2.3

2.3

2.2

2.0

HSPF (BTU/Watts-hr.)

7.7

7.7

7.7

7.7

7.7

7.7

DIMENSIONS (inches)

Length

49 1/8

49 1/8

49 1/8

49 1/8

49 1/8

49 1/8

Width

47 1/4

47 1/4

47 1/4

47 1/4

47 1/4

47 1/4

Height

33 1/2

33 1/2

33 1/2

41 1/2

41 1/2

41 1/2

OPERATING WT. (lbs.)

350

350

385

435

480

490

COMPRESSORS

Type

Scroll 1-spd

Scroll 1-spd

Scroll 1-spd

Scroll 1-spd

Scroll 1-spd

Scroll 1-spd

Quantity

1

1

1

1

1

1

CONDENSER COIL DATA

Face area (Sq. Ft.)

11.7

11.7

11.7

16.4

16.4

16.4

Rows

1

1

2

2

2

2

Fins per inch

20

20

20

20

20

20

Tube diameter (in.)

 3/8

 3/8

 3/8

 3/8

 3/8

 3/8

Circuitry Type

Interlaced

Interlaced

Interlaced

Interlaced

Interlaced

Interlaced

Refrigerant control

Orifice

Orifice

Orifice

Orifice

Orifice

TXV

EVAPORATOR COIL DATA

Face area (Sq. Ft.)

4.38

4.38

4.38

5.63

5.63

5.63

Rows

2

3

3

3

3

3

Fins per inch

15

13

15

15

16

16

Tube diameter

 3/8

 3/8

 3/8

 3/8

 3/8

 3/8

Circuitry Type

Interlaced

Interlaced

Interlaced

Interlaced

Interlaced

Interlaced

Refrigerant control

Orifice

Orifice

Orifice

Orifice

Orifice

TXV

Table 5:

Electrical Data  (Continued)

Size

(Tons)

Volt

Compressors

(each)

OD Fan

Motors

(each)

Supply
Blower

Motor

Electric Heat Option

MCA

1

(Amps)

Max Fuse

2

/

Breaker

3

 Size

(Amps)

RLA LRA MCC

FLA

FLA

Model

kW

Stages

Amps

Summary of Contents for BUZ024

Page 1: ...heat pumps designed for outdoor installation on a roof top or a slab Field installed electric heater accessories are available to provide supplemental electric heat combined with electric cooling and...

Page 2: ...mited to building electrical and mechanical codes Before performing service or maintenance operations on unit turn off main power switch to unit Electrical shock could cause personal injury Improper i...

Page 3: ...denser Fan Motor Highly Efficient Enhanced Copper Tube Aluminum Fin Indoor Coil Highly Efficient Enhanced Copper Tube Aluminum Fin Outdoor Coil Decorative Protective Coil Guard 5 Speed Direct Drive Bl...

Page 4: ...the place of installation Rig the unit by attaching chain or cable slings to the lifting holes provided in the base rails Spreader bars whose length exceeds the largest dimension across the unit MUST...

Page 5: ...SIDE RETURN AIR OPENING SIDE SUPPLY AIR OPENING LOW VOLTAGE CONN 7 8 DIA KNOCKOUT HIGH VOLTAGE CONN 1 31 32 DIA KNOCKOUT HIGH VOLTAGE CONN 7 8 DIA KNOCKOUT A 3 3 4 1 1 2 2 1 2 2 3 8 4 1 2 49 1 8 28 1...

Page 6: ...T 26 3 4 CONDENSATE DRAIN 3 4 NPTF LOW VOLTAGE CONN 7 8 DIA KNOCKOUT HIGH VOLTAGE CONN 1 31 32 x 7 8 KNOCKOUT 22 1 2 43 1 2 40 1 2 4 14 1 2 28 3 8 14 1 2 BACK 3 3 8 SIDE RETURN AIR OPENING 14 1 2 3 1...

Page 7: ...bottom supply and return air duct openings Roof Curb On applications when a roof curb is used the unit must be positioned on the curb so the front of the unit is tight against the curb Filters Single...

Page 8: ...and or local ordinances The unit must be electrically grounded in accordance with local codes or in their absence with the N E C C E C Voltage tolerances which must be maintained at the compressor te...

Page 9: ...led 24 volt wire Only required on units with supplemental electric heat PROGRAMMABLE THERMOSTAT ONLY THERMOSTAT UNIT CONTROL BOARD TERMINAL STRIP 24 VOLT TRANSFORMER NOTE HEAT ANTICIPATOR SHOULD BE SE...

Page 10: ...5 2 54 2 62 5 94 2 104 6 100 110 208 230 3 60 11 5 77 18 1 2 6 0 None 21 6 30 2NH04501025 7 5 10 1 20 8 24 1 47 6 51 6 50 60 2NH04501525 11 3 15 1 31 3 36 1 60 7 66 7 70 70 460 3 60 5 1 35 8 0 8 3 0 N...

Page 11: ...R410a R410a R410a R410a R410a R410a Refrigerant charge lb oz 6 0 7 4 9 6 12 0 10 10 11 8 ARI HEATING PERFORMANCE 47 F Capacity Rating Mbh 22 2 27 8 32 8 40 0 45 5 56 0 System Power Kw COP 3 4 3 3 3 0...

Page 12: ...Direct Direct Direct Direct Direct Direct No speeds 1 1 1 1 1 1 Number of motors 1 1 1 1 1 1 Motor HP each 1 4 1 4 1 4 1 4 1 4 1 2 RPM 850 850 850 850 850 1100 Nominal total CFM 1800 1800 2400 2400 30...

Page 13: ...030 1922 746 1069 1829 746 1104 1712 728 1134 1528 659 1146 High 5 2214 968 1104 2089 918 1121 1949 859 1136 1785 787 1148 1576 689 1154 Table 8 Bottom Duct Application Size Tons Blower Speed Setting...

Page 14: ...0 700 0 01 0 00 0 02 0 03 800 0 01 0 01 0 02 0 03 900 0 01 0 01 0 02 0 04 1000 0 02 0 01 0 02 0 04 1100 0 03 0 01 0 03 0 05 1200 0 04 0 02 0 03 0 06 1300 0 04 0 03 0 03 0 07 1400 0 04 0 04 0 03 0 08...

Page 15: ...or cooling has been satisfied the 24 volt Y signal is removed and the M1 contactor is de energized When the fan switch on the thermostat is in the ON position the indoor blower motor continues to run...

Page 16: ...bit feature prohibits defrost if the coil temperature is above 40 F A forced defrost feature puts the system into a defrost period every 6 hours and 4 minutes to recirculate lubricants unless the coil...

Page 17: ...VALVE ENERGIZED SYSTEM OPERATES IN COOLING COMPRESSOR AND OUTDOOR FAN INSTANT OFF FAN 60 SEC DELAY OFF FAN INSTANT ON OFF COMPRESSOR AND OUTDOOR FAN INSTANT ON AFTER ANTI SHORT CYCLE DELAY SYSTEM OPE...

Page 18: ...OPERATES IN HEATING HEATER BANK 1 2 3 ELEC HEAT INSTANT ON HEATER BANK 4 5 6 ELEC HEAT 10 SEC DELAY ON OFF COMPRESSOR AND OUTDOOR FAN INSTANT OFF HEATER BANK 4 5 6 ELEC HEAT INSTANT OFF HEATER BANK 1...

Page 19: ...268723 BIM C 0908 Johnson Controls Unitary Products 19 Typical Wiring Diagrams Typical BUZ024 060 Heat Pump 208 230 1 60 volt Wiring Diagram...

Page 20: ...268723 BIM C 0908 20 Johnson Controls Unitary Products Typical BUZ030 060 Heat Pump 230 3 60 volt Wiring Diagram...

Page 21: ...268723 BIM C 0908 Johnson Controls Unitary Products 21 Typical BUZ030 060 Heat Pump 460 3 60 volt Wiring Diagram...

Page 22: ...only Manifold sets must be at least 700 psig high side and 180 psig low side with 550 psig retard All hoses must have a service pressure rating of 800 psig Leak detectors must be designed to detect H...

Page 23: ...268723 BIM C 0908 Johnson Controls Unitary Products 23...

Page 24: ...change without notice Printed in U S A 268723 BIM C 0908 Copyright 2008 by Johnson Controls Inc All rights reserved Supersedes 268723 BIM B 0807 Johnson Controls Unitary Products 5005 York Drive Norma...

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