Yamato Scientific WG221S Water Purifiers - Manual (Page 51)

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Wiring Diagram
WG221/221S
Symbol Name of Parts Symbol Name of Parts Symbol Part of Name
Cal_SW Calibrate SW SV1 Solenoid valve to supply boiler water T1 Terminal
E1 Electrode for ion-exchanged water SV2 Solenoid valve to supply raw water T2 Terminal
E2 Electrode for distilled water SV3 Solenoid valve to drain initial distilled water Tf1 Transformer
E2 2 Electrode for distilled water SV4 Solenoid valve to drain boiler water Tf2 Transformer
ELB Earth leakage circuit breaker SV5 Solenoid valve to take ion-exchanged water WL Water leak detector
FL1 Flow sensor (ion-exchanged water) SV6 Solenoid valve for cooling water X1 Relay
FL2 Flow sensor(distilled water)WG221S
only
SV7 Solenoid valve to take distilled water PS Pressure switch
FS1 Float switch to control heater OH Overheat detector
FS2 Float switch to control boiler water level P1 Pump to take water
FS3 Float switch for boiler overheat PIO-5 Operation board
FS4 Float switch to check water level PLANAR Planar board
FS5 Float switch to check water level RELAY1 Relay board
FS6 Float switch to check water level RELAY2 Relay board
FS7 Float switch to check water level SSR SSR board
FS8 Float switch to check water level
H1 Heater
MOS RELAY MOS relay board
1 5 6 10 1 3 4 5 1 3 1 30