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

Page 26

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26

DENOTES RECOMMENDED

WIRE ENTRY AREA

HAND

AUTO

LAG PUMP #1

G

G

CS PUMP #1

CS PUMP #2

OFF

CS PUMP #1

ON

HAND

AUTO

LAG PUMP #2

OFF

CS PUMP #2

ON

Figure 3-15. 70X Series Drive (front and bottom views)

High and Low Suction Cut-out:

The High and Low suction cut-out features can be

used in the 70X configuration. Low suction cut-out will

destage any running constant speed pumps before

turning off the lead pump.

High and Low System Pressure:

The High and Low System Pressure feature can be

used in 70X configuration. If High System Pressure

is detected all pumps will be turned off without

destaging.

No Flow Shutdown:

The No Flow SHutdown feature can be used in the

70X configuration. It will only work when all of the

constant speed pumps are off.

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