Pump control reference
B.5 Fixed Duty Assist
HydroRanger 200 HMI
314
Operating Instructions, 06/2018, A5E36281317-AC
Service Ratio
Starts pumps based on user-defined ratio of running time.
B.5
Fixed Duty Assist
Relay function (2.8.1.4.) (Page 195) =
Fixed Duty Assist ties the indexed pump relay directly
to the indexed setpoint.
Relay operation
(for Relay logic (2.8.1.11.) (Page 199) = Positive)
The relay contact closes at the ON setpoint and opens at the OFF setpoint. Multiple relay
contacts in the pump group can be closed at the same time.
Relay table
The following table shows relay status when each setpoint is reached.
Relays
Setpoints
Index
1
2
3
ON 3
ON
ON
ON
ON 2
ON
ON
OFF
ON 1
ON
OFF
OFF
OFF
OFF
OFF
OFF
B.6
Fixed Duty Backup
Relay function (2.8.1.4.) (Page 195) =
Fixed Duty Backup ties the indexed pump relay
directly to the indexed setpoint.
Relay operation
(for Relay logic (2.8.1.11.) (Page 199) = Positive)
The relay contact closes at the ON setpoint and opens at the OFF setpoint. When a new
relay trips the previously closed relay contact opens to shut down the running pump.
Only one relay contact in the pump group can be closed at any one time.
Summary of Contents for HydroRanger 200 HMI
Page 2: ......
Page 24: ...Safety notes HydroRanger 200 HMI 22 Operating Instructions 06 2018 A5E36281317 AC ...
Page 354: ...Updating software HydroRanger 200 HMI 352 Operating Instructions 06 2018 A5E36281317 AC ...
Page 362: ......
Page 403: ......