CVHH-SVX001G-EN
17
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 7.
Clearance requirements
3 ft. (92 cm)
A
18 in. (46 cm)
Economizer
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
Shell Combo
A
B
C
D
E
in.
cm
in.
cm
in.
cm
in.
cm
in.
cm
100M/100M
84
213
166
422
416
1057
12
30
122
310
100M/10HM
84
213
166
422
416
1057
31
79
118
300
100L/100L
84
213
186
422
457
1161
12
30
122
310
130M/130M
88
224
166
422
420
1067
29
74
109
277
130M/13HM
88
224
166
422
420
1067
31
79
123
312
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