York Millennium YDAS 410 Installation Operation & Maintenance page 106

NOTE: A lag compressor may be shut down before it
is fully unloaded to avoid a Chiller fault on a
Low Water Temperature cut-out under the fol-
lowing conditions: a) if chilled liquid tempera-
ture falls below the low end of the Control Range
(CR) for more than 37 seconds, b) if chilled liq-
uid temperature
CR/4 below the low limit of the control range.
NOTE: The lead compressor may be shut down be-
fore it is fully unloaded to avoid a Chiller Fault
on a Low Water Temperature fault under the
following conditions: a) if chilled liquid tempera-
ture drops 2°F below the low limit of the Con-
trol Range (CR), b) if chilled liquid temperature
drops more than CR/2 below the low limit of
the Control Range.
drops more than