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257098-BTG-A-0506

24

Unitary Products Group

FIGURE 7 -

DISCONNECT/BLOWER ACCESS LOCATION

DISCONNECT SWITCH LOCATION

AND MOTOR ACCESS PANEL FOR

UNIT WITH “BELT-DRIVE” OPTION

CONTROL BOX
ACCESS

A,B
WIRING ENTRY
(See Detail “B”)

MOUNTING BRACKET
FOR DICONNECT SWITCH
(Shipped attached to the

blower housing inside
the blower compartment)

FIELD-SUPPLIED
DISCONNECT SWITCH
LOCATION

BLOWER MOTOR
ACCESS

FILTER
ACCESS

DOT PLUGS

TABLE 19: UTILITIES ENTRY

HOLE

OPENING SIZE (DIA.)

USED FOR

A

7/8” KO

1

Control Wiring

2

Side

Bottom

B

2” KO

1

Power Wiring

Side

Bottom

C

1-5/8” KO

Gas Piping (Front)

D

1-1/2” KO

Gas Piping (Bottom)

 

1. Opening in the bottom to the unit can be located by the 

side in the insulation.

2. Do not remove the 2” knockout ring.

TABLE 20: MINIMUM CLEARANCES

LOCATION

CLEARANCE

Front

24” (Cooling/Electric Heat)

32” (Gas Heat)

Rear

12” (Less Economizer)

36” (With Economizer or Fixed 

Air/Motorized Damper)

Left Side (Filter Access)

24” (Less Economizer)

36” (With Economizer)

Right Side (Cond. Coil)

24”

Below Unit

1

0”

Above Unit

2

72” (For

Condenser Air Discharge)

1. Units may be installed on combustible floors made 

from wood or class A, B, or C roof covering material.

2. Units must be installed outdoors.  Overhanging struc-

tures or shrubs should not obstruct condenser air dis-
charge outlet.

Summary of Contents for BCB Series

Page 1: ...b 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...

Page 2: ...LOWER DIAGRAM 33 17 HEAT PUMP POWER CIRCUIT 460 3 60 BELT DRIVE INDOOR BLOWER DIAGRAM 34 18 HEAT PUMP POWER CIRCUIT 575 3 60 DIRECT DRIVE INDOOR BLOWER DIAGRAM 35 19 HEAT PUMP POWER CIRCUIT 575 3 60 B...

Page 3: ...ycle 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 w...

Page 4: ...e 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 pr...

Page 5: ...alling 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...

Page 6: ...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...

Page 7: ...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...

Page 8: ...2 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 2...

Page 9: ...3 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 3...

Page 10: ...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...

Page 11: ...680 916 730 RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS 2000 1103 1270 1900 1085 1210 1800 1064 1145 1102 1180 1700 1040 1075 1081 1115 1121 1140 1600 1020 1005 1060 1050 110...

Page 12: ...680 916 730 RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS 2000 1103 1270 1900 1085 1210 1800 1064 1145 1102 1180 1700 1040 1075 1081 1115 1121 1140 1600 1020 1005 1060 1050 110...

Page 13: ...740 926 780 965 830 RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS RPM WATTS 2500 2400 1193 1665 2300 1170 1580 1202 1620 2200 1148 1480 1180 1530 2100 1121 1385 1155 1425 1190 1475 2000...

Page 14: ...1900 970 LOW 2030 1070 1960 1020 1890 970 1810 920 3 1 4 1 0 70 AVAILABLE EXTERNAL STATIC PRESSURE IWG 2 0 90 0 0 1 0 8 0 3 1 4 1 5 1 AVAILABLE EXTERNAL STATIC PRESSURE IWG 2 5 1 0 60 0 20 0 30 0 40 0...

Page 15: ...Y AIR BLOWER PERFORMANCE Tables 2 The pressure through the economizer is greater for 100 outdoor air than for 100 return air If the resistance of the return air duct system is less than 0 25 IWG the u...

Page 16: ...8 8 2 20 8 25 2CE045110462 10 1 12 1 25 8 30 2CE045115462 13 6 16 4 31 0 35 2CE045120462 19 5 23 5 39 9 40 575 3 60 4 8 34 0 1 0 2 2 None 8 6 15 2CE04511058 10 6 10 2 21 3 25 2CE04511558 15 9 15 3 27...

Page 17: ...CE04511025 10 6 25 5 64 9 70 2CE04511525 15 9 38 2 80 8 90 2CE04512025 21 2 51 0 96 8 100 2CE04513025 29 6 71 2 122 0 125 460 3 60 10 0 62 0 1 3 3 3 None 17 1 25 2CE045107462 6 8 8 2 27 3 35 2CE045110...

Page 18: ...8 8 2 21 2 25 2CE045110462 10 1 12 1 26 2 30 2CE045115462 13 6 16 4 31 4 35 2CE045120462 19 5 23 5 40 3 45 575 3 60 4 8 34 0 1 0 2 0 None 8 8 15 2CE04511058 10 6 10 2 21 5 25 2CE04511558 15 9 15 3 27...

Page 19: ...2CE04511025 10 6 25 5 63 5 70 2CE04511525 15 9 38 2 79 4 80 2CE04512025 21 2 51 0 95 4 100 2CE04513025 29 6 71 2 120 6 125 460 3 60 10 0 62 0 1 3 2 6 None 16 4 25 2CE045107462 6 8 8 2 26 6 30 2CE04511...

Page 20: ...CONDENSER COILS Rows Deep 1 1 1 Fins Per Inch 20 20 20 Face Area Sq Ft 17 1 17 1 17 1 COMPRESSOR Qty Per Unit Reciprocating Type 1 1 1 AIR FILTERS Quantity Per Unit 15 X 20 X 1 or 2 2 2 2 Quantity Per...

Page 21: ...TRANSFORMER TO REMOTE SENSOR 2TH040702224 IF USED NOT USED ADD JUMPER ADD JUMPER 4 4 3 2 1 ELECTRONIC PROGRAMMABLE THERMOSTAT 2ET04700224 INCLUDES SUBBASE SECOND STAGE COOLING IS NOT REQUIRED ON UNITS...

Page 22: ...257098 BTG A 0506 22 Unitary Products Group FIGURE 3 UNIT DIMENSIONS 3 5 TON HEAT PUMP FRONT VIEW FIGURE 4 UNIT WITH ECONOMIZER RAINHOOD DETAIL A...

Page 23: ...257098 BTG A 0506 Unitary Products Group 23 FIGURE 5 UNIT WITH FIXED OUTDOOR AIR MOTORIZED DAMPER RAINHOOD DETAIL B FIGURE 6 UNIT DIMENSIONS REAR VIEW...

Page 24: ...ring Side Bottom C 1 5 8 KO Gas Piping Front D 1 1 2 KO Gas Piping Bottom 1 Opening in the bottom to the unit can be located by the side in the insulation 2 Do not remove the 2 knockout ring TABLE 20...

Page 25: ...257098 BTG A 0506 Unitary Products Group 25 FIGURE 8 TYPICAL APPLICATIONS...

Page 26: ...D BCB036 628 139 137 174 177 BCB048 668 148 146 185 189 BCB060 693 154 151 192 196 TABLE 22 BCB 6 POINT LOADS WEIGHT DISTRIBUTION UNIT TOTAL A B C D E F BCB036 628 93 92 91 116 117 119 BCB048 668 99 9...

Page 27: ...257098 BTG A 0506 Unitary Products Group 27 FIGURE 10 ROOF CURB DIMENSIONS...

Page 28: ...257098 BTG A 0506 28 Unitary Products Group FIGURE 11 HEAT PUMP WITH ELECTRIC HEAT CONTROL CIRCUIT 208 230 3 60 DIAGRAM...

Page 29: ...257098 BTG A 0506 Unitary Products Group 29 FIGURE 12 HEAT PUMP WITH ELECTRIC HEAT CONTROL CIRCUIT 460 3 60 DIAGRAM...

Page 30: ...257098 BTG A 0506 30 Unitary Products Group FIGURE 13 HEAT PUMP WITH ELECTRIC HEAT CONTROL CIRCUIT 575 3 60 DIAGRAM...

Page 31: ...257098 BTG A 0506 Unitary Products Group 31 FIGURE 14 HEAT PUMP POWER CIRCUIT 208 230 3 60 DIRECT DRIVE INDOOR BLOWER DIAGRAM...

Page 32: ...257098 BTG A 0506 32 Unitary Products Group FIGURE 15 HEAT PUMP WITH ELECTRIC HEAT POWER CIRCUIT 208 230 3 60 BELT DRIVE INDOOR BLOWER DIAGRAM...

Page 33: ...257098 BTG A 0506 Unitary Products Group 33 FIGURE 16 HEAT PUMP POWER CIRCUIT 460 3 60 DIRECT DRIVE INDOOR BLOWER DIAGRAM...

Page 34: ...257098 BTG A 0506 34 Unitary Products Group FIGURE 17 HEAT PUMP POWER CIRCUIT 460 3 60 BELT DRIVE INDOOR BLOWER DIAGRAM...

Page 35: ...257098 BTG A 0506 Unitary Products Group 35 FIGURE 18 HEAT PUMP POWER CIRCUIT 575 3 60 DIRECT DRIVE INDOOR BLOWER DIAGRAM...

Page 36: ...257098 BTG A 0506 36 Unitary Products Group FIGURE 19 HEAT PUMP POWER CIRCUIT 575 3 60 BELT DRIVE INDOOR BLOWER DIAGRAM...

Page 37: ...ures Units shall be CSA listed classified to ANSI Z21 47 UL 1995 CSA No 236 standards UNIT CABINET Unit cabinet shall be constructed of G90 galvanized steel with exterior surfaces coated with a non ch...

Page 38: ...and above on 460 and 575 volt heaters The heating section shall have a primary limit control s and auto matic reset to prevent the heating element system from oper ating at an excessive temperature Th...

Page 39: ...eration Whenever the indoor fan motor is energized the dampers open up to one of two pre selected positions regardless of the outdoor air enthalpy Dampers return to the fully closed position when the...

Page 40: ...to change without notice Printed in U S A 257098 BTG A 0506 Copyright 2006 by Unitary Products Group All rights reserved Supersedes 036 21565 003 A 1005 Unitary 5005 Norman Products York OK Group Driv...

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