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Installation
A352-03-880 Issue B
3.5.3 ES200 and ES300 oil filling procedure
Fill the pump with oil as described below.
1. Remove the oil filler plug (Figure 2, item 2).
2. Pour oil into the pump until the oil level reaches the middle of the oil level sight glass (3) situated at the bottom
of the pump.
3. After the pump has been running for a few minutes, recheck the oil level. If the oil level is now below the
middle of the oil level sight glass (Figure 10, item 1), switch the pump off and pour more oil into the pump as
required.
4. Refit the oil filler plug. Tighten the plug firmly but do not over-tighten.
Figure 10 - Oil sight glass
3.6 Electrical installation
3.6.1 Connect the pump to the electrical supply
If the pump motor can be used with more than one voltage range, ensure that the motor is configured for the
available electrical supply voltage. If not, the motor may be damaged.
Edwards recommends connecting the electrical supply to the motor through a starter or circuit breaker having
thermal over-current protection that can be adjusted to suit the full load current ratings shown on the motor rating
plate. The fuse ratings must be calculated by a qualified electrician. The supplier of the thermal over-current
protection device may specify fuse ratings to ensure correct operation of the over-current protection device. Ensure
that the fuse is suitable for the starting currents given on the motor rating plate.
1. Remove the cover from the motor terminal box.
2. Check the electrical supply voltage and frequency. If necessary, configure the motor to operate with the
electrical supply. For motor wiring information, refer to the wiring diagram supplied in the motor terminal box.
3. Remove the plugs from the cable entry hole that will be used for the electrical supply cable.
Ensure that the electrical installation of the pump motor conforms with local and national safety
requirements. It must be connected to a suitably fused and protected electrical supply and a
suitable earth point.
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