Waterbox Removal and Installation
Important:
ONLY QUALIFIED TECHNICIANS SHOULD
PERFORM THE INSTALLATION AND SER-
VICING OF THIS EQUIPMENT.
Discussion
This section will discuss recommended hoist ring/clevis-
es and lifting. Proper lifting technique will vary based on
mechanical room layout.
•
It is the responsibility of the person(s) performing
the work to be properly trained in the safe practice of
rigging, lifting, securing, and fastening the of water
box.
•
It is the responsibility of the person(s) providing and
using the rigging and lifting devices to inspect these
devices to ensure they are free from defect and are
rated to meet or exceed the published weight of the
waterbox.
•
Always use rigging and lifting devices in accordance
with the applicable instructions for such device.
Procedure
D
WARNING
Heavy Objects!
Each of the individual cables (chains or slings) used
to lift the waterbox must be capable of supporting
the entire weight of the waterbox. The cables (chains
or slings) must be rated for overhead lifting applica-
tions with an acceptable working load limit. Failure
to properly lift waterbox could result in death or
serious injury.
D
WARNING
Eyebolts!
The proper use and ratings for eyebolts can be found
in ANSI/ASME standard B18.15. Maximum load
rating for eyebolts are based on a straight vertical
lift in a gradually increasing manner. Angular lifts
will significantly lower maximum loads and should
be avoided whenever possible. Loads should always
be applied to eyebolts in the plane of the eye, not
at some angle to this plane. Failure to properly lift
waterbox could result in death or serious injury.
Review mechanical room limitations and determine the
safest method or methods of rigging and lifting the wa-
terboxes.
1. Determine the type and size of chiller being serviced
(CVH, CVG). Refer to Trane Nameplate located on
chiller control panel.
Note:
This bulletin contains rigging and lifting informa-
tion for Trane CTV chillers built in La Crosse only.
For Trane CTV chillers built outside the US, refer
to literature provided by the applicable manufac-
turing location.
2. Select the proper lift connection device from the Con-
nection Devices table. The rated lifting capacity of the
selected lift connection device must meet or exceed
the published weight of the waterbox. Verify the wa-
terbox weight from the latest published literature.
3. Ensure that the lift connection device has the correct
connection for the waterbox. Example: thread type
(course/fine, English/metric). Bolt diameter (English/
metric).
4. Properly connect the lift connection device to the
waterbox. Refer to
. Ensure lift con-
nection device is securely fastened.
CTV units - Install hoist ring on to the lifting connection
on the waterbox. Torque to 100 ft·lb for 3/4” threaded
connections and 28 ft·lb for 1/2” threaded connections.
Figure 36. Waterbox rigging and lifting - condenser and
evaporator connections
Lifting
location
Lifting
location
Lifting
location
Lifting
location
5. Disconnect water pipes, if connected.
6. Remove water box bolts
7. Lift the waterbox away from the shell.
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RELEASED 10/Mar/2020 06:59:20 GMT
