Alpha Technologies DSM3 for XM2 - Technical Manual - Manual (Page 58)

58 745-814-B8-001, Rev. C (03/2014)
7.3 DPM Installation / Replacement Procedure
If the XM2-300HP High-Efficiency CableUPS has been shipped without a DPM, or the existing module
requires removal and replacement, do so via the the following procedure:
1. Switch OFF the power supply’s battery breaker.
Fig. 7-6, Removing the Inverter Module from the Power Supply
NOTE:
With the battery breaker in the OFF position, the power supply will not go into inverter mode.
7.0 Installation
3. Loosen the Inverter Module thumbscrews.
4. Slide the Inverter Module out of the power supply.
5. Loosen the two Phillips captive screws to remove the DPM sheet metal from the Inverter Module.
Captive Screw
Captive Screw
1
2
4
3
Fig. 7-7, Removing the DPM sheet metal from the Inverter Module
2. Unplug all Inverter Module connections (e.g. battery cable, remote temperature sensor).
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