YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls

FORM 201.28-NM1.1
SECTION 5 - TECHNICAL DATA
ISSUE DATE: 8/29/2012
CTION 5 - TECHNICAL DATA FORM_201.28-NM1.1.EN (1106)
weight 78
TWO INCH DEFLECTION ISOLATOR INSTALLATION AND ADJUSTMENT
(GB CERTIFIED UNITS)
TWO INCH DEFLECTION ISOLATOR INSTALLATION AND ADJUSTMENT
(A)
(G)
Section A-A
M16
M16 Bolt/Washer
Bolt/Washer
A AA
1. Read the following instructions before beginning
installation.
1. Read the following instructions before beginning
installation.
2. Isolators 2. Isolators are shipped are shipped fully fully assembled assembled and and are are to to be be
positioned positioned in accordance in accordance with with the the submittal draw- draw-
ings or as ings otherwise or as otherwise recommended.
3. Set isolators on the floor, housekeeping pad, or
subbase, ensuring that all isolator centerlines
match the equipment mounting holes. It is recommends
that the isolator base plates (B) be installed
on a level surface. Shim or grout the isolators as
required, leveling all isolator bases to the same
elevation. The maximum difference that can be
tolerated is 0.25" (6.35 mm).
3. Set isolators on floor, housekeeping pad, or subbase,
ensuring that all isolator centerlines match
the equipment mounting holes. It is recommends
that the isolator base plates (B) be installed on a
level surface. Shim or grout as required, leveling
all isolator base plates to the same elevation
(0.25"(6.35mm) maximum difference can be
tolerated).
4. Bolt or anchor all isolators to the supporting structure
utilizing base plate thru holes (C) or weld
the base plate to the supporting structure with
0.375" (9.5mm) fillet weld 2"(50.8mm) long @ 4"
(101.6mm) on center around the entire base plate;
or as engineered for specific load and or field conditions.
4. Bolt or anchor all isolators to supporting structure
utilizing base plate thru holes (C) or weld base
plate to supporting structure with 0.375"(9.5mm)
fillet weld 2"(50.8mm) long @ 4"(101.6mm) on
centre around entire base plate or as engineered
for specific load and or field conditions.
5. The adjustment process can only begin after the
equipment or machine is at its full operating
6. Bolt or anchor all isolators to supporting structure
(F)
(C)
(B)
(A)
(C)
Equipment
LD16183
.
7. Place equipment on top of isolators making sure
that mounting holes of the equipment line up with
5. Ensure the equipment is at full operating weight
before adjusting the isolators.
6. Bolt isolator or anchor M16 all bolt. isolators to the supporting structure
utilizing the base slotted holes (C).
8. Adjust each isolator in sequence by turning spring
adjusting nuts (G) one full clockwise turn at a
time. Repeat this procedure on all isolators, one
at a time. Continue adjusting each isolator until
same clearance is achieved between the lower
housing and top plate. Check the limit stop lock
nuts (F) periodically to ensure that clearance
between the washer and grommet is maintained.
7. Place equipment on top of the isolators making
sure that mounting holes of the equipment line up
with the isolator M16 bolt.
8. Adjust each isolator in sequence by turning spring
adjusting nuts (G) one full clockwise turn at a
time. Repeat this procedure on all isolators, one
at a time. Continue adjusting each isolator until
the same clearance is achieved between the lower
housing and top plate. Check the limit stop lock
8. Fine adjust isolators to level equipment.
nuts (F) periodically to ensure that clearance between
the washer and grommet is maintained.
9. Adjust all limit stop lock nuts (F) per isolator,
maintaining 0.25"(6.3mm) to 0.375"(9.5mm) gap.
The limit stop nuts must be kept at this gap to
ensure uniform bolt loading during uplift (as the
9. Fine adjust the isolators to level equipment.
10. Adjust all limit stop lock nuts (F) per isolator,
maintaining a gap between 0.25" (6.3mm) to
0.375" case when (9.5mm). equipment The limit is stop drained) lock nuts must
be kept at this gap to ensure uniform bolt loading
during uplift (as is the case when equipment
is drained)
JOHNSON CONTROLS