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Bell & Gossett 176R0649C Technologic 502 Series Pump Controller User Manual

Page 47

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47

39-83

Minimum Run Time (Old

Par. 779)

60s

600s

600s Before the controller stops a pump

using No Flow Shut Down, the timers

set in parameters P39-80 and P39-

81 must expire. If the system has

previously been stopped using No

Flow Shut Down, the timer set in this

parameter must also expire before the

No Flow Shut Down occurs.

39-84

No Flow Shut Down

Bandwidth (Old Par. 789)

0.0%

5.0%

2.5% If the difference between the setpoint

and the feedback is less than this

parameter’s percent of the maximum

feedback value, the controller will

continue to decelerate the drive.

Table 6-2. Parameter 39-** Group, Detailed Description (continued)