3.6.3 Connect to ESDP30 3-phase pumps
1. Refer to Figure 2. Undo and remove the screws which secure the cover to the motor
terminal-box (5), then remove the cover.
2. Check your electrical supply voltage and frequency. The universal motor of the pump can
be configured for ‘low-voltage’ operation (200-230 V) as shown in Figure 10, or for
’high-voltage’ operation (380-460 V), as shown in Figure 11. If necessary, reconfigure the
motor to operate with your supply voltage.
3. Fit a suitable 20 mm cable-gland to the cable leadthrough hole. If your cable is too large to
pass through a 20 mm cable-gland, fit a 20 mm to 25 mm female thread adaptor to the cable
entry-hole, and fit a 20 mm cable-gland to the adaptor.
4. Pass the electrical supply cable through the cable-gland.
5. Connect the phase wires in the cable (L1, L2, L3) to the U, V and W terminals as shown in
Figures 10 or 11, depending on your electrical supply voltage, then connect the earth
(ground) wire in the cable to the earth (ground) stud in the terminal-box.
6. Tighten the cable-gland and replace the terminal-box cover.
7. Connect the wires at the other end of the cable to your electrical supply.
8. Refer to Figure 2. Refit the cover to the motor terminal-box (5) and secure with the screws
removed in Step 1.
3.6.4 Connect to ESDP30 1-phase pumps
1. Refer to Figure 2. Undo and remove the screws which secure the cover to the motor
terminal-box (5), then remove the cover.
2. Check your electrical supply voltage and frequency. The universal motor of the pump can
be configured for ‘low-voltage’ operation (100-115 V) as shown in Figure 12, or for
’high-voltage’ operation (200-230 V), as shown in Figure 13. If necessary, reconfigure the
motor to operate with your supply voltage.
3. Fit a suitable 20 mm cable-gland to the cable leadthrough hole. If your cable is too large to
pass through a 20 mm cable-gland, fit a 20 mm to 25 mm female thread adaptor to the cable
entry-hole, and fit a 20 mm cable-gland to the adaptor.
4. Pass the electrical supply cable through the cable-gland.
5. Connect the neutral and live wires in the cable (N, L) to the X and Z terminals as shown in
Figures 12 or 13, depending on your electrical supply voltage, then connect the earth
(ground) wire in the cable to the earth (ground) stud in the terminal-box.
6. Tighten the cable-gland.
7. Connect the wires at the other end of the cable to your electrical supply.
8. Refer to Figure 2. Refit the cover to the motor terminal-box (5) and secure with the screws
removed in Step 1.
16 ESDP12 and ESDP30 Scroll Pumps
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