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Unitary Products 13
TABLE 6: PHYSICAL DATA
MODELS
DHG
180 240
EVAPORATOR
BLOWER
Centrifugal Blower (Dia. x Wd. in.)
15 x 15 18 x 15
Fan Motor HP
57.5
EVAPORATOR
COIL
Rows Deep
44
Fins Per Inch
13.5 13.5
Face Area (Sq. Ft.
15.5 20.0
CONDENSER
FANS
(Two Per Unit)
Propeller Dia. (in.) (Each)
30 30
Fan Motor Hp (Each)
11
Nom. CFM (Each)
5765 7000
CONDENSER
COILS
(Two Per Unit)
Rows Deep (Each)
33
Fins Per Inch (Each)
13 15
Face Area (Sq. Ft.) (Total)
36.0 43.3
COMPRESSOR
(Qty. Per Unit)
10-Ton Tandem Hermetic Recip.
1
1
2
5-Ton Hermetic Recip.
1-
AIR
FILTERS
Quantity Per Unit (16” X 20” X 2”)
-4
Quantity Per Unit (16” X 25” X 2”)
-4
Quantity Per Unit (18” X 24” X 2”)
5-
TotalFaceArea(sq.ft.)
15.0 20.0
CHARGE
Refrigerant 22
(lbs./oz.)
System #1
29/9 23
System #2
14/8 23/12
BASIC
UNIT
DHG
(Gas/Electric)
240Mbh (lbs) 2100 2300
320Mbh (lbs) 2140 2340
OPTIONS
Economizer (lbs) 160
Economizer with
Power Exhaust (lbs)
245
Motorized Damper (lbs) 150
ACCY.
Roof Curb (lbs) 175 185
Barometric Damper (lbs) 45 45
Wood Skid (lbs) 220 220
1
This compressor will be energized first.
TABLE 7: DHG VOLTAGE LIMITATIONS
1
POWER SUPPLY
VOLTAGE
MIN. MAX.
208/230-3-60
187 253
460-3-60
414 506
575-3-60
518 506
1
Utilization Range “A” in accordance with ARI Standard
110.
TABLE 8: MINIMUM CLEARANCES
LOCATION CLEARANCE
Front
36”
Back
24” (Less Economizer)
49” (With Economizer
Left Side (Filter Access)
24” (Less Economizer)
36” (With Economizer)
Right Side (Cond. Coil)
36”
Below Unit
1
1
Units may be installed on combustible floors made
from wood or class A, B, or C roof covering material.
0”
Above Unit
2
2
Units must be installed outdoors. Overhanging struc-
tures or shrubs should not obstruct condenser air dis-
charge outlet.
72” With 36” Maximum
Horizontal Overhang (For
Condenser Air Discharge)
TABLE 9: DHG ELECTRICAL DATA
MODEL
POWER
SUPPLY
COMPRESSORS COND. FAN
MOTORS
(#1 & #2)
SUPPLY AIR
BLOWER
MOTOR
MIN.
CIRCUIT
AMPACITY
(AMPS)
MAX. TIME
DELAY FUSE
SIZE (AMPS)
MIN.
1
WIRE
SIZE 75°C
#1 #2
RLA LRA RLA LRA
HP
(ea.)
FLA
(ea.)
HP FLA
DHG180
208/230-3-60 28.6 274 14.3 137 1 4.1/4.2 5 11.8 77.8/77.0 90 4
460-3-60 14.4 138 7.2 69 1 2.1 5 5.9 42.7 50 8
575-3-60 11.4 116 5.7 58 1 1.4 5 5.2 30.7 35 8
DHG240
208/230-3-60 28.6 274 28.6 274 1 4.1/4.2 7.5 18.6 98.6/96.8 110 3
460-3-60 14.4 138 14.4 138 1 2.1 7.5 9.3 52.2 60 6
575-3-60 11.4 116 11.4 116 1 1.4 7.5 7.5 40.2 45 8
1
Although these sizes are based on copper conductors aluminum wire can be used. Refer to the national electric code (in USA) or
the current Canadian Electrical Code (in Canada) to determine the proper size.