CVHE-SVX005C-EN
15
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).
• 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.
Figure 4. Clearance requirements
3 ft. (92 cm)
A
18 in. (46 cm)
Economizer
Auxiliary condenser (optional)
Cooling condenser
Evaporator
Motor
Right-hand tube pull shown, apply
tube pull clearance dimension to
left end for left-hand tube pull.
Optional
unit-mounted starter
These dimensions per
NEC Article 110
B
C
D
E
Table 1. Clearance requirements
Evaporator Size
Shell Combo
A B C D E
in. cm in. cm in. cm in. cm in. cm
032 Short/Long
Short/Short 45 114 141 358 321 815 34 86 53 134
Short/Long
77 195 219 556 431 1094 34 86 53 134
Long/Long
45 114 187 474 411 1043 34 86 53 134
050 Short/Long
Short/Short 45 114 141 358 321 815 40 101 62 157
Short/Long
78 198 219 556 431 1094 40 101 62 157
Long/Long
45 114 187 474 411 1043 40 101 62 157
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