50 BOOSTER PUMP SYSTEM
BOOSTER PUMP SYSTEM N747D
If automatic operation is not available under low pressure
alarming, please take one of below means.
1. Set one of the front panel switch of pump 1, pump 2, pump 3, pump 4, pump
5 and pump 6( if there are 6 pumps) as MANU, so that one pump can be
started and increases the pressure up to the low alarm setting pressure.
2. Press “In Test Operating” key among the front switches, so that one pump
can be started and increases the pressure up to the low alarm setting
pressure.
3. Press “Stop/Start” switch of the front panel to make stop, then press again to
start.
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