Daikin WMC Instruction Manual download pdf (Page 56)

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IOM 1210-1 • MAGNITUDE

MODEL WMC CHILLERS 56 www.DaikinApplied.com

Table 24 continued: Controller Setpoints

Description Default Range PW

Leaving Water

Cool LWT 44. 0°F 35.0 to 80.0 °F O

Startup Delta T 3.0°F 0.0 to 10.0 °F T

Stop Delta T 3.0°F 0.0 to 3.0 °F T

LWT Reset Type NONE NONE, RETURN, 4-20mA T

Max Reset Delta T 0.0°F 0.0 to 20.0 °F T

Start Reset Delta T 10. 0°F 0.0 to 20.0 °F T

Timers

Evap Recirculate 0.5 min 0.2 min to 5 min M

Start-Start 5 min 2 to 60 min M

Stop-Start 3 min 1 to 20 min M

Source No Start 70 °F 50 to 99 °F T

Pumps

Evap Pump Pump #1 Only Pump #1 Only, Pump #2 Only, Auto Lead, #1 Primary, #2 Primary M

Cond Pump Pump #1 Only Pump #1 Only, Pump #2 Only, Auto Lead, #1 Primary, #2 Primary M

Cooling Tower

Tower Control None None, Temperature, Lift T

Tower Stages 1 1 to 4 T

Stage Up Time 2 min 1 to 60 min T

Stage Down Time 5 min 1 to 60 min T

Stage Differential (Temp) 3.0 °F 1.0 to 10.0 °F T

Stage Differential (Lift) 6.0 psi 1.0 to 20.0 psi T

Stage #1 On (Temp) 70 °F 40 to 120 °F T

Stage #2 On (Temp) 75 °F 40 to 120 °F T

Stage #3 On (Temp) 80 °F 40 to 120 °F T

Stage #4 On (Temp) 85 °F 40 to 120 °F T

Stage #1 On (Lift) 35 psi 10 to 130 psi T

Stage #2 On (Lift) 45 psi 10 to 130 psi T

Stage #3 On (Lift) 55 psi 10 to 130 psi T

Stage #4 On (Lift) 65 psi 10 to 130 psi T

Cooling Tower Valve / VFD

Valve/VFD Control None None, Valve Setpoint, Valve Stage, VFD Stage, Valve SP/VFD Stage T

Valve Setpoint (Temp) 65 °F 40 to 120 °F T

Valve Setpoint (Lift) 30 psi 10 to 130 psi T

Valve Deadband (Temp) 1.0 °F 0.0 to 10.0 °F T

Valve Deadband (Lift) 1.0 psi 0.0 to 20.0 psi T

Stage Down @ 20% 0 to 100% T

Stage Up @ 80% 0 to 100% T

Valve Control Range (Min) 10% 0 to 100% T

Valve Control Range (Max) 100% 0 to 100% T

Valve Type NC Normally Closed, Normally Open (To Tower) T

Minimum Start Position 10% 0 to 100% T

Minimum Position @ 60 °F 0 to 100 °F T

Maximum Start Position 100% 0 to 100% T

Maximum Position @ 90 °F 0 to 100 °F T

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Daikin WMC Instruction Manual Page 56

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