Reassembly; Weights - Trane CVHE Installation, Operation And Maintenance Manual

W W a a t t e e r r b b o o x x R R e e m m o o v v a a l l a a n n d d I I n n s s t t a a l l l l a a t t i i o o n n
Figure 60. Waterbox rigging and lifting—condenser
and evaporator connections
Torque Requirements and Waterbox Weights
Table 24. CenTraVac™ ™ chiller bolt torques
Gasket type O-ring
Bolt Size
in. mm ft·lb
3/8
9.525 25
1/2
12.7 70
5/8
15.875 150
3/4 19.05 250
Table 25. Waterbox weights
Shell
Description
Size
Evaporator, 150 psig
(1034.2 kPaG)
Evaporator, 300 psig
(2068.4 kPaG)
032
Condenser, 150 psig
(1034.2 kPaG)
Condenser, 300 psig
(2068.4 kPaG)
Evaporator, 150 psig
050
(1034.2 kPaG)
90
Flat
N·m ft·lb N·m
33.9 12–18 16.3–24.4
94.9 33–50 44.7–67.8
203.4 70–90 94.9–122.0
142.4–
339.0 105–155
210.2
Fabricated Non-Marine
Waterbox, Welded Flat
Plate
Weight
Lifting
Connection
kg
lb
265 120 3/4 - 10
— —
3/4 - 10
265 120
3/4 - 10
397 180

Reassembly

Once service is complete, the waterbox should be
reinstalled on the shell following all previous
procedures in reverse. Use new O-rings or gaskets on
all joints after thoroughly cleaning each joint.
I I m m p p o o r r t t a a n n t t : : Torque waterbox bolts (refer to
Non-Marine Cast
Waterbox
Weight Weight
Lifting
Connection
kg
lb lb
— —
1/2 - 13
176 80
— —
397 180 Lifting Fixture
90).
Fabricated Non-
Marine Style Waterbox
Marine Waterbox
Welded Dome
Weight
Lifting
Connection
kg
lb
— — 176
— — 176
— — 221
— — 265
Table 24, p.
Cover
Lifting
Connection
kg
80 1/2 - 13
1/2 - 13
80
1/2 - 13
100
1/2 - 13
120
CVHE-SVX02M-EN