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0 installation – Alpha Technologies AlphaNet IDH4 for XM2 and XM2-300HP Series - Technical Manual User Manual

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746-257-B2-001, Rev. B (01/2014)

7.3

IDH4L Installation / Replacement Procedure in XM2-300HP Power Supplies

If the XM2-300HP High-Efficiency CableUPS has been shipped without a IDH4L, 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. 7-5, 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 IDH4L sheet metal from the Inverter Module.

Captive Screw

Captive Screw

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2

4

3

Fig. 7-6, Removing the IDH4L sheet metal from the Inverter Module

2. Unplug all Inverter Module connections (e.g. battery cable, remote temperature sensor).

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