Daikin WCT Series Operating & Maintenance Manual page 41

ALARMS Setpoint
Figure 25, ALARMS Setpoint Screen
Table 15, ALARM Setpoints
Description
Low Evap Pressure-Inhibit
Low Evap Pressure-Unload
Low Evap Pressure, Stop
High Condenser Pressure
High Discharge Temp-Load
High Discharge Temp-Shutdown
Surge Temperature Limit
Surge Slope Limit
Motor Current Threshold
Evaporator Freeze
Condenser Freeze
High Oil Feed Temperature
Low Oil Delta Temperature
Low Net Oil Pressure
Low Lift Pressure
OMM WCT
Default Range Pass-word
33 psi 20 to 45 psi
31 psi 20 to 45 psi
29 psi 10 to 45 psi
140 psi 120 to 240 psi
170 F 120 to 240 F
190 F 120 to 240 F
2 – 25 ° F
6
1 – 99 ° F/min.
20
10% 3% to 99%
34.0 F -9.0 to 45.0 F
34.0 F -9.0 to 45.0 F
140 F 120 to 240 F
30 °F 20 to 80 °.F
22 psi 0 to 76 psi
14 psi 0 to 73 psi
Centrifugal Chillers
Comments
Min evap pressure – inhibit loading
T
Min evap pressure – unload compressor
T
Min evap pressure – stop compressor
T
T Max discharge pressure, stop compressor
Max discharge gas temp – load comp
T
T Max discharge gas temp, stop compressor
T See screen above
T Surge slope temp that triggers alarm
T Min %RLA to consider motor off
T Minimum evap. sat. temp. to start pump
T Minimum cond. sat. temp. to start pump
T Max oil temperature
T Min Delta-T (sat evap minus oil temp)
T Min net pressure (feed minus sump)
Min pressure (cond – evap press)
M
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