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Installing the SPA1
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4. Changing the motor voltage is achieved by positioning the link wire that is joining the 'SUPP' terminal
(supply to PCB) to the '48 V' terminal, such that the link wire now joins the 'SUPP' and the '24V'
terminals. Refer to figure 12.
Figure 12 – Identification of the motor voltage configuration terminal
NOTES: Do not overtighten the connector when changing the wire connection within the SPA1 unit.
Ensure the screw within the third terminal is tightened.
5. When the motor voltage has been altered then the top panel of the unit must be re-fitted. This is
completed by reversal of the method used in step 2.
4.3 Accessing SPA drives
The recommended procedure for accessing the SPA drives located within the SPA1 unit is as detailed
below.
1. Remove the front panel of the SPA1 by releasing the 6 fixing screws that restrain the front panel as
shown in figure 13.
WARNING: Sharp edges will be exposed when removing the front panel of the SPA1 as the EMC
!
connection strip behind the panel has a serrated edge.
!
CAUTION: Anti-static precautions should be used when handling the SPA drives.
2. Adjust the drives in accordance to section 4.4.
3. Re-fit the SPA1 front panel and secure it using the six fixing screws.
Figure 13 – Front of SPA unit showing screws
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