MODEL F73（17603）
22
② Control Inlet Solenoid Valve (Set b-02)
Instruction: When inlet pressure exceeds 0.6MPa, install a solenoid
valve on inlet. Control mode is b-02. Pressure relieved when valve
switching, the wiring refer to Figure 3-3. As Figure 3-4 shows, it also can
use the pressure relief port to work.
Function:
When inlet pressure is high, install a solenoid valve on inlet to
ensure valve switching properly. When valve is exactly at position of U1
tank in service, U2 tank standby, U1 tank in service while U2 tank in
backwash, U1 tank in service while U2 tank in backwash solenoid valve
is open. When valve is switching, solenoid valve is closed, no water flow
into valve to ensure valve switching properly.
2) Liquid Level Controller Controls Inlet Pump (Two-phase motor) (Set
b-01)
Instruction: For the system using well or middle-tank supplying water,
switch of liquid level controller and valve together control pump opening
or closing. The wiring refers to Figure 3-5:
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