CVHE-SVN01C-EN
24
General Information
Figure 9. Typical spring isolator types and construction
Isolator
Maximum
Spring
Type
Load
Deflection
Color
and Size
(lbs.)
(Inches)
Coding
CT-4-25
1,800
1.22
Red
CT-4-26
2,400
1.17
Purple
CT-4-27
3,000
1.06
Orange
CT-4-28
3,600
1.02
Green
CT-4-31
4,400
0.83
Gray
CT-4-32
5,200
0.74
White
Note: Each type CT-4 spring isolator has 4 springs.
Type CT-4 Spring Isolators
Figure 8. Chiller foot/isolator orientation
9-1/4"
[235 mm]
C-C
foundation
bolts
7-1/2" [191 mm]
10-1/4"
[260 mm]
Adjusting Bolt
6-1/2" [165 mm]
Free Height
Adjust the isolator so
that the upper
housing clears the
lower housing by at
least 1/4” [6 mm]
Acoustical nonskid
neoprene pad (top
and bottom)
5/8" [16 mm]
4 X .88
(22mm)
Dia. Holes
for
Anchor-
ing Units
2" Typ
(51mm)
5" Typ
(127mm)
2 5/8" Typ (67mm)
1 3/16" Typ
(30mm)
Evaporator
Tubesheet
Anchor Hole Detail
Each Corner
End View of Unit
Outside
Edge of
Tube Sheet
End of Tube
Sheet
Note:
The length of the
isolator should be parallel
to the leg.
Side View of Unit
Center Tube
Sheet
Support Leg
Center of
Isolator
Spring
Note:
The spring isolator must be
centered in relation to the tube sheet.
Do
not
align the isolator with the flat
part of the chiller foot since the tube
sheet is often off-center.
