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262259-YTG-B-0107
2 Unitary Products Group
TABLE OF CONTENTS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . 3
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FACTORY-INSTALLED OPTIONS . . . . . . . . . . . . . . 5
FIELD-INSTALLED ACCESSORIES . . . . . . . . . . . . 7
GUIDE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . 37
LIST OF FIGURES
Fig. #
Pg. #
1 UNIT CUTAWAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 ALTITUDE/TEMPERATURE CONVERSION
FACTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3 TYPICAL DM FIELD WIRING DIAGRAM . . . . . . . . 29
4 UNIT DIMENSIONS & CLEARANCES 15, 20 & 25
TON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5 REAR VIEW DIMENSIONS . . . . . . . . . . . . . . . . . . 31
6 UNIT DIMENSIONS DM180, 240 & 300
(RAINHOOD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7 CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . . . . 33
8 TYPICAL UNIT APPLICATIONS . . . . . . . . . . . . . . . 33
9 FOUR AND SIX POINT LOADS . . . . . . . . . . . . . . . 34
10 UNIT ROOF CURB DIMENSIONS . . . . . . . . . . . . . 35
11 ROOF CURB DUCT OPENINGS DIMENSION . . . 35
12 CUT AWAY OF ROOF CURB . . . . . . . . . . . . . . . . . 35
13 TYPICAL SIMPLICITY® CONTROL WIRING
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
LIST OF TABLES
Tbl. #
Pg. #
1 SOUND POWER RATING . . . . . . . . . . . . . . . . . . . . 9
2 CAPACITY RATINGS - (ARI 360) . . . . . . . . . . . . . . . 9
3 GAS HEAT RATIINGS . . . . . . . . . . . . . . . . . . . . . . . 9
4 DM 180 COOLING CAPACITIES (15 TON) . . . . . . 10
5 DM 240 COOLING CAPACITIES (20 TON) . . . . . . 12
6 DM 300 COOLING CAPACITIES (25 TON) . . . . . . 14
7 ALTITUDE CORRECTION FACTORS . . . . . . . . . . 16
Tbl. # Pg. #
8 SUPPLY AIR BLOWER PERFORMANCE
(15 TON) - COOLING ONLY 180 MBH - BOTTOM
DUCT CONNECTIONS . . . . . . . . . . . . . . . . . . . . . 18
9 SUPPLY AIR BLOWER PERFORMANCE
(20 TON) - COOLING ONLY 240 MBH - BOTTOM
DUCT CONNECTIONS . . . . . . . . . . . . . . . . . . . . . 19
10 SUPPLY AIR BLOWER PERFORMANCE
(15 TON) - GAS HEAT 180 MBH - BOTTOM DUCT
CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
11 SUPPLY AIR BLOWER PERFORMANCE
(20 TON) - GAS HEAT 240 MBH - BOTTOM DUCT
CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
12 SUPPLY AIR BLOWER PERFORMANCE
(25 TON) - GAS HEAT 300 MBH - BOTTOM DUCT
CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
13 BLOWER MOTOR AND DRIVE DATA . . . . . . . . . 23
14 STATIC RESISTANCES . . . . . . . . . . . . . . . . . . . . 23
15 POWER EXHAUST PERFORMANCE . . . . . . . . . . 23
16 DM 180, 240 ELECTRICAL DATA WITHOUT
POWERED CONVENIENCE OUTLET . . . . . . . . . 24
17 DM 300 ELECTRICAL DATA STANDARD
MOTOR WITHOUT POWERED CONVENIENCE
OUTLET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
18 DM 300 ELECTRICAL DATA HIGH STATIC
MOTOR WITHOUT POWERED CONVENIENCE
OUTLET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
19 DM 180, 240 ELECTRICAL DATA WITH POWERED
CONVENIENCE OUTLET . . . . . . . . . . . . . . . . . . . 26
20 DM 300 ELECTRICAL DATA STANDARD MOTOR
WITH POWERED CONVENIENCE OUTLET . . . . 27
21 DM 300 ELECTRICAL DATA HIGH STATIC MOTOR
WITH POWERED CONVENIENCE OUTLET . . . . 27
22 DM VOLTAGE LIMITATIONS . . . . . . . . . . . . . . . . 28
23 PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . 28
24 SUPPLY FAN VFD WEIGHTS, IN LBS. . . . . . . . . . 29
25 ELECTRIC HEAT CORRECTION FACTORS . . . . 29
26 UTILITIES ENTRY DATA . . . . . . . . . . . . . . . . . . . . 30
27 MINIMUM CLEARANCES . . . . . . . . . . . . . . . . . . . 32
28 FOUR AND SIX POINT LOADS . . . . . . . . . . . . . . . 34