SPX Cooling Technologies Marley Aquatower Brochure page 4

/ Schematic /
TOWER
H
TOWER
AIR INLET ELEVATION
Tower Nominal Tons
Model note
1
L
490A 8 902
490B 10 902
492A 22 1206
492B 28 1206
493A 36 1816
493B 42 1816
494A 51 1816
494B 57 1816
494C 68 1816
495A 80 2426
495B 91 2426
496A 111 3035
496B 126 3035
Nominal tons are based upon 35°C HW, 29.5°C CW, 25.5°C WB
1.
and .68 m /hr per ton. The Marley UPDATE web-based selection
3
software provides Aquatower model recommendations based
on specific design requirements.
2. Minimum clearance for adequate air supply. Consult your Marley
sales representative or your local distributor if this clearance is
impractical for your job.
3. Vertical discharge hood is for applications in restrictive enclosures
or other locations where horizontal discharge is not desirable. CTI
Certification does not apply when this option is selected. Available
only on models 494A and larger.
L
C L INLET
S
USE FOR
STATIC LIFT
C L
OUTLET
W H
1292 1610 402
1292 1610 402
1543 2248 432
1543 2248 432
1549 2248 432
1549 2248 432
1972 2743 608
1972 2743 608
1972 2743 608
1975 2743 608
1975 2743 608
1984 2953 589
1984 2953 589
INLET PIPING
(BY OTHERS)
C
B
E
Dimensions
A B C
note 2
175 610
175 610
241 1219
241 1219
241 1524
241 1524
292 1829
292 1829
292 1929
292 2134
292 2134
292 2743
292 2743
4. Motors are 400 volt, 3-phase TEFC.
5. Motor, belt and belt guard ship uninstalled. Installation by others.
6. Outlet sizes shown are side outlets. All models except 490A and
490B have connections for both side and bottom outlet. Install the
desired connection and seal the unused opening with the cover-
plate provided. Pump suction should use side outlet. See page 9
for size and flow capacities of bottom outlets.
7. Overflow is a 2" F connecton located in side of collection basin.
8. Drain is a 2" F connection located in collection basin floor.
9. Makeup valve connection is 3/4" M located in tower side.
4
D
W
MOTOR
A
C L BOTTOM OUTLET
SIDE ELEVATION
D E S
1318
note 3 note 6
1318
203 1956
note 3
203 1956
203 1956
note 3
203 1956
3251 235 2403
3251 235 2403
3251 235 2403
3251 235 2403
3251 235 2403
3345 235 2610
3345 235 2610
VERTICAL
DISCHARGE
(OPTION-NOTE 3)
TOWER COLLECTION
BASIN
Piping
Connection
Motor
kW
Outlet
Inlet
note 6
.25 2" 2"
F
.75 2" 2"
F
.75 4" 4" M
1.5 4" 4"
M
1.5 4" 4"
M
2.2 4" 4"
M
1.5 6" 6" MC
2.2 6" 6"
MC
3.7 6" 6"
MC
3.7 6" 6"
MC
5.5 6" 6" MC
3.7 6" 6"
MC
5.5 6" 6"
MC