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WTC 600 LP / MP DESCRIPTION
Service Handbook 08.2004
2.3.1.7 Pressure-increase Pump
If required, the WTC 600 PI pressure-increase
pump (6/1) is connected between untreated
water supply and RO system. It is used for
pressure increase of the untreated water.
A pressure-increase pump should
be used for a water pressure (flow
pressure) Յ 2 bar.
Observe mechanical protection as
well as protection of the
connection cable against water!
2.3.2 Safety Installations
Emergency Stop
The emergency stop switch (7/4) (main switch) is located on the side of the switch box.
RC Protective Switch
RC protective switch (external): i Յ 30 mA
Circuit Breaker
Automatic circuit breaker (7/3) 10 A for power limitation of the power outlets, etc
Motor Protection Switch
The motor protection switch (7/2) is factory-set depending on the power consumption of the RO
pump (compare circuit diagram (7/1)) and must be checked:
WTC 600 Nominal output Actual power Motor protection
RO pump consumption switch setting
LP 400 V 2.2 kW 1.5 kW 4 A
MP 400 V 2.2 kW 2.2 kW 5.1 A
LP 230V 2.2 kW 1.5 kW 10 A
MP 230 V 2.2 kW 2.2 kW 14 A
Table 2 Setting of motor protection switch
Figure 6 WTC 600 PI
1
NOTE
CAUTION