Clearances - Trane RTRA Series Installation Operation & Maintenance

Screw compressor liquid chillers with centrifugal fans, air cooled, sizes : 107 - 108 - 109 - 110
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Installation mechanical
Foundation
Provide rigid, non-warping mounting pads or a concrete
foundation of sufficient strength and mass to support the
chiller operating weight (i.e., including completed piping,
and full operating charges of refrigerant, oil and water).
Refer to the submittals for unit operating weights. Once in
place, the chiller must be level within 1/4" (6mm) over its
length and width. The Trane Company is not responsible
for equipment problems resulting from an improperly
designed or constructed foundation.

Clearances

Provide enough space around the unit to allow the instal-
lation and maintenance personnel unrestricted access to all
service points. Refer to Figure 5 and submittal drawings
for the unit dimensions. A minimum of 1,20 m is recom-
mended for compressor service and to provide sufficient
clearance for the opening of control panel doors. Refer to
the submittals delivered with the units for minimum clear-
ances. In all cases, local codes which require additional
clearances will take precedence over these recommenda-
tions.
Note : If the chiller configuration requires a variance to
the clearance dimensions, contact your Trane Sales
Office Representative.
Drainage
Locate the unit near a large capacity drain for water vessel
drain-down during shutdown or repair. The evaporator is
provided with a drain connection. Refer to «Evaporator-
Drain». All local and national codes apply. The vent on the
top of the evaporator is provided to prevent a vacuum by
allowing air into the evaporator for complete drainage.
Figure 6
1500
800
Space free for pipes
Minimum clearance for maintenance
Condenser
Minimum clearance for evaporator tube removal
Opposite end electrical panel
9
Air flow
3850
2150
800
4554

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