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BOOSTER PUMP SYSTEM
BOOSTER PUMP SYSTEM N747D
- Step operational pressure(Emergent operational pressure) :
When “step operation 1” has been set by user or inverter error occurs, pump runs if
“setting pressure-current pressure” is lower than specified emergent operating pressure.
Change of step operational pressure.
(Example: In case current set value is 00.50 kgf/cm² )
1. Using Key, select .
2. Initially the first ‘0’ of the ’00.50’ blinks.
3. Using Key, select the position to be changed in ’00.50 kgf/cm²’.
4. Using Key, change to required value, then make sure to press Key.
※
Setting value will not be changed until input key is not pressed.
step stop pressure (emergent stop pressure)
:
When “step operation 1” has been set by user or inverter error occurs, pump runs if
“setting pressure-current pressure” is lower than specified emergent operating pressure.
Change of stepl stop pressure.
(Example: In case current set value is 00.50 kgf/cm² )
1. Using Key, select .
2. Initially the first ‘0’ of the ’00.50’ blinks.
3. Using Key, select the position to be changed in ’00.50 kgf/cm²’.
4. Using Key, change to required value, then make sure to press Key.
※
Set value is not changed until input key is pressed.
- Shift time of main pump
:
When the specified time as the shift time of main pump is over, the main pump is
changed. However, while the pump is in operating, its operating mode is maintained until
2:00am then shifted forcibly. Setting is available up to ‘99’, and when setting is in ‘00’, the
main pump is shifted whenever inverter stops.
Change of main pump shift time
(Example: In case current set value is 24 hours.)
1. Using Key, select .
2. Initially the first ‘2’ of the ’24’ blinks.
3. Using Key, select the position to be changed in ’24’.
4. Using Key, change to required value, then make sure to press Key.
※
Set value is not changed until input key is pressed.
※
In case of forced shift, all pump stops for a while.