5
1. Use this bulletin for preliminary layouts only. Obtain current draw-
ings from your Marley sales representative or your local distribu-
tor.
2. Purchaser to provide tower supports complete with holes and bolts
for anchorage. All supports must be framed flush and level at top.
Maximum deflection to be 1/360th of span, not to exceed 13mm.
3. Maximum weight occurs with basin full to overflow level at shutdown.
Actual operating weight varies with
flowrate
and piping scheme.
4. Wind loads are based on 1.4 kPa and are additive to operating
loads. Reactions due to wind loads exceed those resulting from
seismic loads based on the 1997 UBC code, Zone 4 and an Impor-
tance Factor of 1.00 per Section 1634—Towers Not on a Building.
/ Support /
F
16mm
DIAMETER HOLES
A
G
H
H
L
W
ANCHOR
BOLT
NORMAL
GAUGE
25mm
TOWER
COLLECTION BASIN
AIR INLET FACE
AIR INLET FACE
25mm
25mm
ANCHOR
BOLT
CL
CL
F
L
ANCHOR
BOLT
25mm
25mm
ANCHOR
BOLT
CL
CL
ANCHOR BOL
T
ANCHOR
BOL
T
C L
C L
G
H
H
W
ANCHOR BOL
T
ANCHOR
BOL
T
C L
C L
SUPPORT
(BY OTHERS)
TOWER
COLLECTION
BASIN
16mm
DIAMETER HOLES
TOWER
COLLECTION BASIN
B
NORMAL
GAUGE
MIN. BEARING WIDTH
AT EACH ANCHOR BOLT
51
SUPPORT
(BY OTHERS)
TOWER
COLLECTION
BASIN
SUPPORTING STEEL PLAN
OPTION ONE
VIEW B
SECTION A
SUPPORTING STEEL PLAN
OPTION TWO
Tower
Model
Dimensions
Shipping Weight
kg
Maximum
Operating
kg
Maximun
Operating Load
at Anchor
kg
Wind Load
kg
L
W
F
G
H
Max. Vertical
Reaction at
Anchor
Max. Horizontal
Reaction at
Anchor
490A-490B
902
1019
851
915
52
198
343
84
82
52
492A-492B
1206
1260
1156
1067
97
337
633
158
161
95
493A-493B
1816
1206
1765
1067
97
445
905
226
238
129
494A-49B
1816
1680
1765
1524
78
634
1337
334
252
161
495A-495B
2426
1680
2375
1524
78
797
1294
437
338
213
496A-496B
3035
1680
2985
1524
78
951
2155
539
497
290
Models with Vertical Discharge Hood Option
494A-494C
1816
1680
1765
1524
78
816
1519
380
316
234
495A-495B
2426
1680
2375
1524
78
968
1920
480
338
234
496A-496B
3035
1680
2985
1524
78
1178
2382
596
497
290
Use this data for preliminary layouts only.
Obtain current drawing from your Marley sales
representative.
The Marley UPDATE web-based selection software
—available at spxcooling.com provides
Aquatower model recommendations based on
customer's specific design requirements.