www.DaikinApplied.com 39 IOM 1210-1 • MAGNITUDE
®
MODEL WMC CHILLERS
operaTIon
WATER Setpoints
Figure 45: WATER Setpoint Screen
NOTE: Grayed out setpoints do not apply to this model chiller.
Table 11: WATER Setpoint Settings
Description No. Default Range Password Comments
Maximum Reset Delta T
9 0.0°F 0.0 to 20.0 °F M Set the maximum reset that can occur, in degrees F if LWT reset is
selected or max reset at 20 mA input if 4-20 mA is selected in SP7
Start Reset Delta T 8 10.0°F 0.0 to 20.0 °F M Sets the evap delta-T above which Return reset begins
LWT Reset Type
7 NONE NONE, RETURN,
4-20mA
M Select reset type, NONE for none, RETURN for resetting chilled water
based on the entering water, or 4-20 mA for external analog signal
Stage Delta T
6 1.0 0.5 to 5°F M Sets the temperature the leaving water must be above setpoint for next
compressor to start
Startup Delta T 5 3.0°F 0.0 to 10.0 °F M Degrees above setpoint for chiller to start
Shutdown Delta T 4 3.0°F 0.0 to 3.0 °F M Degrees below setpoint for chiller to stop
Leaving Water Temp - Cool 1 44.0°F 40.0 to 80.0 °F M Evaporator LWT setpoint in COOL mode
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