CAUTION
Sufficient clearance to facilitate normal service and maintenance work must be provided all around
and above the unit. Ample space should be provided at either end to permit cleaning or replacement
of evaporator and condenser tubes – see Clearance. A doorway or other sufficiently large opening
properly located may be used.
Motors
The YD open motor is air cooled. Check state, local and other codes for ventilation requirements.
Foundation
A level floor, mounting pad, or foundation must be provided by others, capable of supporting the
operating weight of the unit.
Clearance
Clearances should be adhered to as follows:
• Rear and above unit – 2 ft (61 cm)
• Front of unit – 3 ft (91 cm)
• Tube Removal – Shell Codes:
- Q, R = 16 ft (4.9 m) (either end)
- N, B, F, D, H = 18 ft (5.5 m) (either end)
- M, C, E, K, G, W = 22 ft (6.7 m) (either end)
15Centrifugal Liquid Chillers
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