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CENTER OF GRAVITY

A

B

C

D

FRONT 

4 POINT LOADS

FIG. 5  - FOUR AND SIX POINT LOADS

UNIT

BCB

4 - POINT LOADS (LBS)

TOTAL

A

B

C

D

090

1,154

231

281

353

289

120

1,504

301

355

460

388

NOTE: These weights are with economizer and 36 kW electric heat.

UNIT

BCB

6 - POINT LOADS (LBS)

TOTAL

A

B

C

D

E

F

090

1,154

154

188

211

235

193

173

120

1,504

200

237

272

307

259

229

NOTE: These weights are with economizer  and 24 kW electric heat.

TABLE 4 - FOUR AND SIX POINT LOADS (LBS)

A

E

D

B

F

C

FRONT 

6 POINT LOADS

511.06-N2W

8

Unitary Products Group

Summary of Contents for BECB 090

Page 1: ...is available in the following reference forms 530 18 N9 1V Electric Heater Accessory 530 18 N3 2V Economizer Accessory 530 18 N3 8V Motorized Outdoor Air Damper Accy 530 18 N3 9V Manual Outdoor Air Damper 0 35 530 18 N3 10V Manual Outdoor Air Damper 0 100 530 18 N3 5V Fuse Block Accessory Renewal Parts Refer to the Renewal Parts Manual for complete listing of replacement parts on this equipment Al...

Page 2: ... 3 Physical Data 6 4 Point Loads 8 5 Supply Air Br Performance 9 6 Accessory Static Resistances 9 7 Blower Motor and Drive Data 10 8 Heat Anticipator Setting 11 9 Blower Motor Pulley Adjustment 11 FIGURES No Description Page 1 Center of Gravity 3 2 Recommended Drain Piping 4 3 Typical Field Wiring 5 4 Dimensions and Clearances 7 5 Point Loads 8 6 Pressure Drop versus Supply Air CFM 11 7 Defrost In...

Page 3: ...d is recommended to prevent mud splashing WARNING The unit should not be installed in an area where mud or ice could cause personal injury Remember that condensate will drip from the outdoor coil during heat and defrost cycles and that this con densate will freeze when the temperature of the outdoor air is below 32 F RIGGING AND HANDLING Exercise care when moving the unit Do not remove any packagi...

Page 4: ...l provide electric resistance heat only The compressors will not run The pilot light will indicate that the switch is on EM HT Nine conductors are required for this application POWER AND CONTROL WIRING Field wiring to the unit must conform to provisions of the National Electrical Code ANSI NFPA latest edition and or local ordinances The unit must be electrically grounded in accordance with N E C A...

Page 5: ...14 1 7 1 5 8 130 64 52 2 3 1 3 1 3 5 7 2 6 2 1 7 5 3 4 2 7 42 0 21 1 17 7 43 8 21 9 18 3 50 25 20 50 25 20 120 208 230 3 60 460 3 60 575 3 60 16 7 17 3 9 6 8 3 150 73 62 3 5 2 5 2 5 7 5 3 4 2 7 10 6 4 8 3 9 52 8 30 0 26 5 55 9 31 4 27 7 70 35 30 70 40 35 NOTES 1 Dual element time delay type 2 Maximum HACR breaker of the same AMP size is applicable Dual numbers indicate amps for compressor 1 2 resp...

Page 6: ...3 FINS PER INCH 15 13 FACE AREA Sq Ft 7 8 13 4 OUTDOOR FANS Two Per Unit PROPELLER DIA in 24 ea 24 ea FAN MOTOR HP 1 2 ea 3 4 ea NOM CFM TOTAL 2900 ea 4400 ea OUTDOOR COIL ROWS DEEP 2 2 FINS PER INCH 13 15 FACE AREA Sq Ft 20 0 29 3 AIR FILTERS SEE NOTE QUANTITY PER UNIT 12 X 24 X 2 2 QUANTITY PER UNIT 16 X 24 X 2 2 3 QUANTITY PER UNIT 18 X 24 X 2 2 TOTAL FACE AREA sq ft 9 3 14 0 CHARGE REFRIGERANT...

Page 7: ...Control Wiring Side 7 8 Bottom B 2 Power Wiring Side or Bottom Knockouts in the bottom of the unit can be located by the slice in the insulation UTILITIES ENTRY DATA RETURN AIR SUPPLY AIR OUTDOOR AIR OUTDOOR AIR Economizer L H E N D V I E W 3 3 4 A 2 7 3 4 C O N D E N S A T E D R A I N M U S T B E T R A P P E D 7 B P O W E R W I R I N G E N T R Y 2 9 5 8 3 1 2 4 1 2 7 1 E C O N O M I Z E R R A I N...

Page 8: ...1 355 460 388 NOTE These weights are with economizer and 36 kW electric heat UNIT BCB 6 POINT LOADS LBS TOTAL A B C D E F 090 1 154 154 188 211 235 193 173 120 1 504 200 237 272 307 259 229 NOTE These weights are with economizer and 24 kW electric heat TABLE 4 FOUR AND SIX POINT LOADS LBS A E D B F C FRONT 6 POINT LOADS 511 06 N2W 8 Unitary Products Group ...

Page 9: ...4 2 62 2 45 0 92 2 91 2 72 1050 1 89 1 98 1 84 1 78 2 25 2 10 1 57 2 55 2 37 1 35 2 86 2 67 1 12 3 17 2 96 1090 2 08 2 12 1 97 1 97 2 41 2 24 1 78 2 72 2 54 1 55 3 06 2 86 MODEL BCB120 SIDE DUCT APPLICATIONS BLOWER SPEED RPM CFM 3000 3500 4000 4500 5000 ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW 860 1 01 1 40 1 31 0 80 1 58 1 48 0 54 1 80 1 68 0 23 2 05 1 9114 915 1 19 1 55 1 45 1 00 1...

Page 10: ...e compressors out when the suction line temperature drops below 26 F This is an automatic reset device HEATING SEQUENCE OF OPERATION The following sequence of operation is based on using a standard YORK heat pump two stage heating two stage cooling thermostat subbase Economizer if supplied operation is not allowed in the heating mode however the minimum position does operate FIRST STAGE HEAT When ...

Page 11: ...e filter access and the blower access panels as shown in Figure 4 2 Insert at least 8 of 1 4 inch tubing into each of these holes for sufficient penetration into the air flow on both sides of the indoor coil NOTE The tubes must be inserted and held in a position perpendicular to the air flow so that velocity pres sure will not affect the static pressure readings 3 Using an inclined manometer deter...

Page 12: ...frost time cycle will restart 10 minutes after the start of the defrost cycle even though the liquid sensor terminated defrost after 3 minutes During troubleshooting the defrost time can be reduced to 20 seconds by shorting out the SW1 test pins on the module The pins are 1 2 long 3 16 apart and are mounted on a white base See Figure 10 LOCKOUT CONTROL Any one of four conditions will put the syste...

Page 13: ... power to the unit to prevent personal injury FILTERS Inspect once a month Replace disposable or clean permanent type as necessary DO NOT replace permanent type with disposable MOTORS Indoor fan and outdoor fan motors are permanently lubricated and require no maintenance SECURE OWNER S APPROVAL When the system is functioning properly secure the owner s approval Show him the location of all disconn...

Page 14: ...511 06 N2W 14 Unitary Products Group ...

Page 15: ...511 06 N2W Unitary Products Group 15 ...

Page 16: ...des 511 06 398 Subject to change without notice Printed in U S A Copyright by Unitary Products Group 1998 All rights reserved 511 06 N2Z Code SBL F 5005 York Drive Norman Oklahoma 73069 Unitary Products Group ...

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