Trane CenTraVac CDHH - Unit Clearances and Weights; Recommended Unit Clearances

18
CDHH-SVX003C-EN
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
Economizer
Condenser
Evaporator
Motor
Optional
unit-
mounted
starter
These dimensions
per NEC Article 110
Table 1. Clearance requirements
Shell Combo
A B C D E
in.
cm
in.
cm
in.
cm
in.
cm
in.
cm
400M/440M 107 272 318 808 743 1887 37 94 120 305
440M/440M 120 305 318 808 756 1920 38 97 118 300
440X/440X 120 305 366 930 852 2164 38 97 118 300
Note: All dimensions are approximate; refer to the unit submittal package for exact dimensions for your unit.