CVHE-SVX005B-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
