265485-XTG-B-1208
2
Johnson Controls Unitary Products
TABLE OF CONTENTS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
FACTORY INSTALLED OPTIONS . . . . . . . . . . . . . . 5
FIELD INSTALLED ACCESSORIES . . . . . . . . . . . . 6
NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . 10
LIST OF FIGURES
Fig. #
Pg. #
1
PREDATOR® COMPONENT LOCATION . . . . . . . . . . . 3
2
REHEAT CONTROL BOARD . . . . . . . . . . . . . . . . . . . . 8
3
DR090 REHEAT CONTROLS . . . . . . . . . . . . . . . . . . . . 9
4
DR090 MOISTURE REMOVAL (ALTERNATE MODE) -
IMPERIAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5
DR090 MOISTURE REMOVAL (NORMAL MODE) -
IMPERIAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6
DR090 MOISTURE REMOVAL (ALTERNATE MODE) -
METRIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7
DR090 MOISTURE REMOVAL (NORMAL MODE) -
METRIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8
UNIT 4 POINT LOAD . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9
UNIT CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . 25
10 UNIT 6 POINT LOAD . . . . . . . . . . . . . . . . . . . . . . . . . . 26
11 UNIT DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
12 PREDATOR® ROOF CURB DIMENSIONS . . . . . . . . 27
13 SUNLINE™ TO PREDATOR® TRANSITION ROOF
CURB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
14 BOTTOM DUCT OPENINGS (FROM ABOVE) . . . . . . 28
15 REAR DUCT DIMENSIONS . . . . . . . . . . . . . . . . . . . . . 29
16 DOWNFLOW ECONOMIZER HOOD DETAIL . . . . . . . 29
17 FACTORY INSTALLED DOWNFLOW
ECONOMIZER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
18 FIELD INSTALLED DOWNFLOW ECONOMIZER W/
POWER EXHAUST . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
19 FIELD INSTALLED HORIZONTAL ECONOMIZER W/
POWER EXHAUST . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
20 SLAB ECONOMIZER DOWNFLOW W/POWER
EXHAUST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
21 SLAB ECONOMIZER END RETURN W/POWER
EXHAUST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
22 TYPICAL LOW VOLTAGE FIELD WIRING . . . . . . . . . 33
23 FIELD WIRING DISCONNECT - COOLING UNIT WITH
OR WITHOUT ELECTRIC HEAT . . . . . . . . . . . . . . . . . 34
24 FIELD WIRING DISCONNECT - COOLING UNIT WITH
GAS HEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
25 TYPICAL DR090 COOLING UNIT WITH GAS HEAT
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
26 TYPICAL DR090 COOLING UNIT WITH/WITHOUT
ELECTRIC HEAT WIRING DIAGRAM . . . . . . . . . . . . . 36
27 TYPICAL DR090 REHEAT WIRING DIAGRAM . . . . . 37
LIST OF TABLES
Tbl. #
Pg. #
1
PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2
CAPACITY RATINGS IMPERIAL . . . . . . . . . . . . . . . . 12
3
CAPACITY RATINGS METRIC . . . . . . . . . . . . . . . . . . 12
4
DR090 COOLING CAPACITY - IMPERIAL . . . . . . . . . 13
5
DR090 COOLING CAPACITY - METRIC . . . . . . . . . . 14
6
DR090 COOLING CAPACITY (ALTERNATE
REHEAT MODE) - IMPERIAL . . . . . . . . . . . . . . . . . . . 15
7
DR090 COOLING CAPACITY (ALTERNATE REHEAT
MODE) - METRIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8
ELECTRICAL DATA 7-1/2 TON . . . . . . . . . . . . . . . . . 19
9
BLOWER PERFORMANCE 7-1/2 TON STANDARD
MOTOR - SIDE DUCT (IMPERIAL) . . . . . . . . . . . . . . . 20
10 BLOWER PERFORMANCE 7-1/2 TON STANDARD
MOTOR - SIDE DUCT (METRIC) . . . . . . . . . . . . . . . . 20
11 BLOWER PERFORMANCE 7-1/2 TON OPTIONAL
MOTOR - SIDE DUCT (IMPERIAL) . . . . . . . . . . . . . . 20
12 BLOWER PERFORMANCE 7-1/2 TON OPTIONAL
MOTOR - SIDE DUCT (METRIC) . . . . . . . . . . . . . . . . 21
13 BLOWER PERFORMANCE 7-1/2 TON STANDARD
MOTOR - DOWNSHOT (IMPERIAL) . . . . . . . . . . . . . . 21
14 BLOWER PERFORMANCE 7-1/2 TON STANDARD
MOTOR - DOWNSHOT (METRIC) . . . . . . . . . . . . . . . 21
15 BLOWER PERFORMANCE 7-1/2 TON OPTIONAL
MOTOR - DOWNSHOT (IMPERIAL) . . . . . . . . . . . . . . 22
16 BLOWER PERFORMANCE 7-1/2 TON OPTIONAL
MOTOR - DOWNSHOT (METRIC) . . . . . . . . . . . . . . . 22
17 ADDITIONAL STATIC RESISTANCE (IMPERIAL) . . . 23
18 ADDITIONAL STATIC RESISTANCE (METRIC) . . . . 24
19 ELECTRIC HEAT MINIMUM SUPPLY
AIR - IMPERIAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
20 ELECTRIC HEAT MINIMUM SUPPLY
AIR - METRIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
21 INDOOR BLOWER SPECIFICATIONS . . . . . . . . . . . . 25
22 4 POINT LOAD WEIGHT . . . . . . . . . . . . . . . . . . . . . . . 25
23 6 POINT LOAD WEIGHT . . . . . . . . . . . . . . . . . . . . . . . 26
24 UNIT WEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
25 UNIT HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
26 UNIT CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . 27
27 ECONOMIZER USAGE . . . . . . . . . . . . . . . . . . . . . . . . 30