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Unit Clearances and Weights
Recommended Unit Clearances
Adequate clearances around and above the chiller are
required to allow sufficient access for service and
maintenance operations. Specific unit clearance
requirements are indicated in the submittal package
provided for your unit.
•
Do NOT install piping or conduit above the compressor
motor assembly or behind the suction elbow of the unit.
•
Minimum vertical clearance above the unit is 3 ft
(92 cm).
Figure 4. Clearance requirements
Economizer
Auxiliary condenser (optional)
Cooling condenser
Evaporator
These dimensions per
NEC Article 110
A
3 ft. (92 cm)
Table 1. Clearance requirements
Evaporator Size
Shell Combo
Short/Short
032 Short/Long
Short/Long
Long/Long
Short/Short
050 Short/Long
Short/Long
Long/Long
CVHE-SVX005C-EN
18 in. (46 cm)
Right-hand tube pull shown, apply
tube pull clearance dimension to
left end for left-hand tube pull.
Motor
Optional
unit-mounted starter
C
A
B
in.
cm
in.
45
114
141
77
195
219
45
114
187
45
114
141
78
198
219
45
114
187
•
Use a housekeeping pad to provide better service
clearances; refer to submittal for more information.
Per National Electric Code (NEC) Article 110: Unit mounted
starters from 0 to 600V require a 42 inch (107 cm)
clearance, 601 to 2500V require a 48 inch (122 cm)
clearance, and 2501 to 9000V require a 60 inch (152 cm)
clearance. Refer to NEC and local electrical codes for
starter and control panel clearance requirements.
B
C
cm
in.
cm
358
321
815
556
431
1094
474
411
1043
358
321
815
556
431
1094
474
411
1043
D
E
D
E
in.
cm
in.
34
86
53
34
86
53
34
86
53
40
101
62
40
101
62
40
101
62
cm
134
134
134
157
157
157
15
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