Trane RTWD Installation Operation & Maintenance page 87

1. Select the proper lift connection device from
Table 24. The rated lifting capacity of the selected lift
connection device must meet or exceed the published
weight of the waterbox. Reference Tables 22 and 23
for waterbox weights.
2. Ensure the lift connection device has the correct
connection for the waterbox. Example: thread type
(course/fi ne, English/metric). Bolt diameter (English/
metric).
3. Properly connect the lift connection device to the
waterbox. Refer to Figure 19. Ensure lift connection
device is securely fastened.
Figure 19 - Water box lifting
Cables, Chains or Slings
Connection Device
Waterbox
4. Install hoist ring on to the lifting connection on the
waterbox. Torque to 37 Nm.
5. Disconnect water pipes, if connected.
6. Remove waterbox bolts
7. Lift the waterbox away from the shell.
Waterbox Removal Procedure – Method 2
This selection applies to the units and condenser side
waterboxes shown in Table 28.
Table 28 - Waterbox Removal Procedure - Method 2
Size
130, 140
160, 180, 200
220, 250
260, 270
160, 180, 200
160, 170, 190, 200
RLC-SVX14H-GB
Effi ciency Condenser
Waterbox
HE / HSE Return
HE Return
HE / HSE Return
HSE Return
PE / HSE Return
SE Return
Service and Maintenance
CAUTION
To prevent injury, do not place hands or fi ngers between
waterbox and condenser tubesheet.
1. Select the proper lift connection device from
Table 24. The rated lifting capacity of the selected lift
connection device must meet or exceed the published
weight of the waterbox. Reference Tables 30 and 31
for waterbox weights.
2. Ensure the lift connection device has the correct
connection for the waterbox.
Example: thread type (course/fi ne, English/metric). Bolt
diameter (English/metric).
3. Disconnect water pipes, if connected.
4. Remove the two bolts with drill point mark. Install
the long bolts into these two holes. The long bolts
are located on the two thread holes just above the
waterbox, as shown in Figure 21.
5. Remove the remaining bolts. Slide the waterbox
out about 30 mm through two long bolts. Install the
Safety Hoist ring (D ring) connection device into the
tap drill hole located on waterbox right side (face to
waterbox convex). Refer to Figure 22.
6. Remove the left long bolt while supporting waterbox
from outside of waterbox. Swing the waterbox
outboard. Put lifting chain on Safety Hoist ring and
remove the remaining long bolt. Refer to Figure 22.
7. Lift the waterbox away from the shell.
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