Alpha Technologies DSM3 for XM3 - Technical Manual - Manual (Page 65)

65 745-814-B11-001, Rev. C (03/2014)
Captive Screws
7.2 Installation / Replacement Procedure in XM3 Power Supplies
If the XM3 CableUPS has been shipped without a DSM3 Series module, or the existing module requires
removal and replacement, do so via the the following procedure:
1. Switch OFF the Inverter Module battery breaker.
Fig. 7-1, Captive Screw Locations
NOTE:
With the battery breaker in the OFF position, the power supply will not go into inverter mode.
7.0 Installation
2. Unplug all Inverter Module connections (e.g. battery cable, remote temperature sensor).
3. Loosen the two Inverter Module thumbscrews.
4. Slide the Inverter Module out of the power supply.
5. If the Inverter Module is equipped with a Communications Module, remove it by loosening the two
Phillips captive screws.