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FIG 8
- CENTER OF GRAVITY
APPROXIMATE
CENTER OF
GRAVITY
FRONT
48-11/32
21
32-1/8
15-1/4
82
1
⁄
4
“
X
44
7
⁄
8
“
CONDENSER
COIL END
BACK
CORNER C
CORNER D
CORNER B
CORNER A
Y
DIM. 3-5 TON 6 TON
Y 19-3/4" 22"
X 40-3/4" 44"
MODELS
UNIT SIZE
036 048 060 072
EVAP.
BLOWER
CENTRIFUGAL BLOWER
(Dia. x Wd. in.)
FAN MOTOR HP
(Direct-Drive)
FAN MOTOR HP
(Belt-Drive)
12 x 10
1
⁄
2
1
1
⁄
2
12 x 10
3
⁄
4
1
1
⁄
2
12 x 10
1
1
1
⁄
2
12 x 11
1
1
1
⁄
2
EVAP.
COIL
ROWS DEEP
FINS PER INCH
FACE AREA (Sq. Ft.)
3
13
3.6
3
13
4.3
3
13
5.1
4
13
5.1
COMPR.
TYPE
HERMETICALLY SEALED SCROLL TYPE
COND.
FAN
PROPELLER DIA. (in.)
FAN MOTOR HP
NOM. CFM TOTAL
24
1
⁄
4
3,400
24
1
⁄
4
3,400
24
1
⁄
4
3,400
24
1
⁄
4
3,300
COND.
COIL
ROWS DEEP
FINS PER INCH
FACE AREA (Sq. Ft.)
1
16
17.1
1
16
17.1
1
22
17.1
2
16
16.7
AIR
FILTERS
(SEE NOTE)
QUANTITY PER UNIT
(15" x 20" x 1")
QUANTITY PER UNIT
(14" X 25" X 1")
TOTAL FACE AREA
(sq. ft.)
2
1
6.3
2
1
6.3
2
1
6.3
2
1
6.3
CHARGE
REFRIGERANT 22
(lbs./oz.)
5/8 6/8 6/8 10/0
NOTE: Filter racks are adapted for 1" or 2" thick filters.
TABLE 5
- PHYSICAL DATA
UNIT
SIZE
BLOWER
RANGE
(RPM)
MOTOR*
ADJUSTABLE
MOTOR PULLEY
FIXED
BLOWER PULLEY
BELT
HP RPM
FRAME
SIZE
SERVICE
FACTOR
PITCH
DIA.
(in.)
BORE
(in.)
PITCH
DIA.
(in.)
BORE
(in.)
PITCH
LENGTH
(in.)
DESIG-
NATION
036 780 - 1090 1-1/2 1725 56 1.15 2.4 - 3.4 7/8 5.7 1 37.3 A36
048 790 - 1120 1-1/2 1725 56 1.15 2.4 - 3.4 7/8 5.7 1 37.3 A36
060 850 - 1220 1-1/2 1725 56 1.15 2.4 - 3.4 7/8 5.2 1 37.3 A36
072 900 - 1250 1-1/2 1725 56 1.15 2.8 - 3.8 7/8 5.2 1 37.3 A36
*
All motors have solid bases and are inherently protected. These motors can be selected to operate into their service factor because they are located in the moving air, upstream of any
TABLE 7
- MOTOR AND DRIVE DATA - Belt-Drive Blower
TABLE 6
- SUPPLY AIR PERFORMANCE
- 3 Thru 6 Ton w/Direct-Drive Blower
UNIT
SIZE
MOTOR
SPEED
Available External Static Pressure - IWG*
0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00
CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts CFM Watts
036
HI
MED
LOW
-
1684
1487
-
800
710
-
1631
1464
-
780
690
1699
1582
1421
825
750
670
1650
1524
1367
785
720
650
1570
1410
1315
755
690
620
1430
1324
1246
725
650
605
1360
1260
1185
700
630
590
1280
1185
1110
680
610
570
1180
1100
1020
655
590
545
048
HI
MED
LOW
1996
1804
1681
960
838
760
1933
1765
1640
936
810
738
1868
1714
1604
910
785
715
1795
1650
1541
880
765
695
1722
1589
1490
845
735
670
1635
1508
1416
820
705
645
1544
1407
1337
790
675
620
1419
1306
1230
765
645
595
1300
1195
1120
740
625
575
060
HI
MED
LOW
2400
2290
2150
1155
1105
1020
2338
2214
2100
1125
1065
990
2274
2145
2029
1095
1030
950
2167
2071
1965
1045
990
910
2096
1990
1905
1010
950
880
1990
1911
1816
980
920
838
1887
1828
1724
945
885
800
1771
1724
1644
905
835
770
1629
1604
1531
855
798
710
072 HI 2461 1480 2402 1440 2361 1395 2260 1350 2178 1305 2101 1260 2000 1205 1914 1155 1830 1110
NOTE: For 208 volts,multiply values by 0.95.
*Includes allowances for a wet evaporator coil, 1" filters and gas fired heat exchangers. Refer to Table 8 for static resistance values on applications other than side duct airflows.
- Side Duct Connections
GAS HEAT VALUES SHOWN @ 230/460/575 Volts
WEIGHTS
UNIT
SIZE
(heat)
UNIT
WEIGHT*
(lbs.)
CORNER WEIGHTS*
(location, lbs., see figure 8)
"A" "B" "C" "D"
036 (40 Mbh) 625 180 172 133 140
036 (79 Mbh) 635 180 177 138 140
048 (60 Mbh) 675 193 185 145 152
048 (99 Mbh) 685 193 190 150 152
060 (79 Mbh) 700 200 192 150 158
060 (99 Mbh) 710 200 197 155 158
072 (79 Mbh) 775 186 209 201 179
072 (99 Mbh) 785 186 214 206 179
OPTIONS / ACCESSORIES WEIGHTS (lbs.)
Economizer 50
Motorized Outdoor
Air Damper
26
Barometric Relief/Fixed
Outdoor Air Intake Damper
10
Roof Mounting Curb 92
Belt-Drive Blower 5
* Weight = Unit + Economizer
530.18-N8Y
Unitary Products Group 9