257098-BTG-A-0506
2
Unitary 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. #
UNIT CUTAWAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
TYPICAL FIELD POWER & CONTROL WIRING . . . . 21
UNIT WITH ECONOMIZER RAINHOOD . . . . . . . . . . . 22
UNIT DIMENSIONS (REAR VIEW) . . . . . . . . . . . . . . . 23
DISCONNECT/BLOWER ACCESS LOCATION . . . . . 24
TYPICAL APPLICATIONS . . . . . . . . . . . . . . . . . . . . . . 25
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
16 HEAT PUMP POWER CIRCUIT 460-3-60 DIRECT DRIVE
INDOOR BLOWER 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 BELT DRIVE
INDOOR BLOWER DIAGRAM . . . . . . . . . . . . . . . . . . . 36
LIST OF TABLES
Tbl. #
Pg. #
SOUND POWER RATING . . . . . . . . . . . . . . . . . . . . . . . 6
CAPACITY RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . 6
BCB036 COOLING CAPACITIES (3 TON) . . . . . . . . . . 7
BCB048 COOLING CAPACITIES (4 TON) . . . . . . . . . . 8
BCB060 COOLING CAPACITIES (5 TON) . . . . . . . . . . 9
BCB HEATING CAPACITIES . . . . . . . . . . . . . . . . . . . 10
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