York Millennium YDAS 410 Installation Operation & Maintenance page 109

Air cooled screw liquid chillers air cooled screw hermetic

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NOTE: A Control Range (CR) selection that is too small

for the application will result in excessive com-

pressor cycling or hunting of the compressor

slide valves. If this situation occurs, leaving

chilled liquid temperature may vary consider-

ably. It is recommended that a CR of less than

3.0°F be avoided. Increase the CR as needed

to reduce cycling and hunting.

Subordinate

NOTE: Remember to program the Mixed Target tem-

perature to a slightly higher value than the Panel

Target temperature.

NOTE: Failure to press the Enter key will cause the

newly programmed values to be ignored and

not entered into memory.

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Millennium ydas 490