4-4
4.3.2 Instrumentation
Carry out wiring work for instrumentation according to the following procedure.
Note
Insert the instrumentation wires into the inlet ports for instrumentation
wires, secure the wires by passing the binding band through the clamps
on the right side face inside the control panel and under the contorl
board, and then connect them to the board. If the clamps are not used
for binding the wires, it may cause some trouble in the maintenance of
the unit.
Caution
Attach grommets (22 mm in diameter) to the wire inlet ports to protect
the wires, or use conduit tubes.
(1) Wiring work for water level control
Referring to the following table, connect wires to receiver tank electrodes.
· Ball tap type ·································· Table 4-3-2(a)
· Inflow solenoid valve type ················· Table 4-3-2(b)
Note
· The Tank Selection setting is set to “No tank” before shipment. Before
starting the operation of the pumps with receiver tank electrodes connected,
select water tank(s) you use on the operation panel.
(
ĺ
see 7.2.)
· When using an inflow solenoid valve, check the type of the solenoid valve
(normally open or normally closed), and set the type (parameter P103).
(
ĺ
see 7.5.)
· Set the Solenoid Valve Operation setting to “Auto” on the operation panel
before use.
(
ĺ
see 7.3.)
