Daikin WCT Series Operating & Maintenance Manual page 32

Counter-flow centrifugal chillers with two-stage compressors 2200 to 3250 tons (7750 to 11400 kw) series counter-flow with two-stage compressors 4500 to 6400 tons (15830 to 22500 kw)
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Table 11, WATER Setpoint Settings
Description
Cool LWT
Ice LWT
Heat LWT
Shutdown Delta T
Startup Delta T
Stage Delta T
LWT Reset Type
Start Reset Delta T
Max Reset Delta T
MODES Setpoints
Figure 20, MODES Setpoint Screen
OMM WCT
Default
Range
35.0 to 80.0 F
44. 0F
15.0 to 35.0 F
25. 0F
100.0 to 150.0 F
135. 0F
0.0 to 3.0 F
3.0F
0.0 to 10.0 F
3.0F
1ºF
0.5 to 5F
NONE, RETURN,
NONE
4-20mA
0.0 to 20.0 F
10. 0F
0.0 to 20.0 F
0.0F
Centrifugal Chillers
Pass-
word
M
Evaporator LWT setpoint in COOL mode
M
Evaporator LWT setpoint in the ICE mode
M
Condenser LWT setpoint in HEAT (Templifier) mode
M
Degrees below setpoint for compressor to stop.
M
Degrees above setpoint for compressor to start.
Sets the temperature the leaving water must be below
M
setpoint for next compressor to start.
Select reset type, NONE for none, RETURN for
M
reseting chilled water based on the entering water, or
4-20 mA for external analog signal
Sets the evap delta-T above which Return reset
M
begins.
Set the maximum reset that can occur, in °F if LWT
M
reset is selected or max reset at 20 mA input if 4-20
mA is selected in SP7
Comments
D-EOMWC01302-16EN - 32/84

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