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
C
L
C
L
F
L
ANCHOR
BOLT
25mm
25mm
ANCHOR
BOLT
C
L
C
L
ANCHOR
BOLT
ANCHOR
BOLT
C
L
C
L
G
H
H
W
ANCHOR
BOLT
ANCHOR
BOLT
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 BSECTION 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.
