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262259-YTG-B-0107
28 Unitary Products Group
TABLE 22: DM VOLTAGE LIMITATIONS
1
1. Utilization Range “A” in accordance with ARI Standard
110.
VOLTAGE LIMITATIONS
POWER
SUPPLY
VOLTAGE
MIN. MAX.
VOLTAGE
LIMITATIONS
208/230-3-60
187 253
460-3-60
414 506
575-3-60
518 630
TABLE 23: PHYSICAL DATA
MODELS DM180 DM240 DM300
EVAPORATOR
BLOWER
CENTRIFUGAL BLOWER (Dia. x Wd.) 15x15 18x15 18x15
FAN MOTOR HP, STANDARD/HI STATIC 5.0 7.5 10/15
EVAPORATOR COIL
ROWS DEEP 3 3 4
FINS PER INCH 13.5
FACE AREA (Sq. Ft.) 15.5 20 20.52
CONDENSER FAN
(Two Per Unit)
PROPELLER DIA. (In.) (Each) 30
FAN MOTOR HP (Each) 1
NOM. CFM TOTAL (Each) 6,500 7,200 7,200
CONDENSER
COIL
ROWS DEEP 2 2 2
FINS PER INCH 13 20 20
FACE AREA (Sq. Ft.) 36 43.3 43.3
COMPRESSOR
(Qty. Per Unit)
5 TON HERMETIC (RECIP.) 1 - -
10 TON TANDEM (RECIP.)
1
1
2-
12.5 TON (SCROLL) - - 2
FILTERS
QUANTITY PER UNIT (12" X 24" X 2" or 4”) - - -
QUANTITY PER UNIT (16" X 20" X 2" or 4”) - 4 4
QUANTITY PER UNIT (16" X 25" X 2" or 4”) - 4 4
QUANTITY PER UNIT (18" X 24" X 2" or 4”) 5 - -
TOTAL FACE AREA (Sq. Ft.) 15 20 24
CHARGE
REFRIGERANT
22 (Lb./Oz.)
SYSTEM No.1 17/8 18/0 18/0
SYSTEM No. 2 8/8 18/0 18/0
OPERATING
WEIGHTS
(LBS.)
BASIC UNIT
COOLING ONLY 1900 2100 2291
GAS / ELECTRIC
N24 2100 2300 2491
N32 2140 2340 2531
OPTIONS
ECONOMIZER 160
ECONOMIZER WITH
POWER EXHAUST
245
MOTORIZED DAMPER 150
ELECTRIC HEATER
18 KW 25
36 KW 30
54 KW 35
72 KW 40
HOT GAS BYPASS 10
SUPPLY FAN VFD See Table 24
ACCESSORIES
ROOF CURB 175 185 185
BAROMETRIC DAMPER 45
ECONOMIZER / MOTORIZED
DAMPER RAIN HOOD
55
ECONOMIZER / POWER
EXHAUST RAIN HOOD
90
WOOD SKID 200 220 220
1. This compressor will be energized first.