iPECS iPECS-MG - Power Supply Unit Replacement

iPECS-MG
Hardware Description and Installation Manual Issue 1.1
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CAUTION
 It is recommended to use an external backup battery fuse between the battery and
the System.
 The battery must supply 24 VDC with a recommended capacity of 20 Amp-hours.
 Carefully check the battery polarity with cable colors (Red and Blue) when
connecting the battery to the System.
 Do not short out the external batteries and cables.
 There is a danger of explosion if external batteries are incorrectly replaced.
Replace only with the same or equivalent type recommended by the manufacturer.
Dispose of used batteries according to the manufacturer’s instructions.
4.6.3 Power Supply Unit Replacement
The PSU, which is located at the rear of the KSU, converts AC power to the DC sources
required by the system. The PSU includes a replaceable fuse, 6.3 A @ 250V and cooling fans.
Each KSU comes equipped with a PSU that is field replaceable.
Table 4.6.3-1 PSU Capacity
PSU TYPE +5V DC +27V DC +30V DC
PSU (SMPS) 10.0A 1A (Battery charge) 10A
To remove the existing PSU
 Remove four (4) screws that hold the PSU to the KSU by turning the screws
counter-clockwise.
 Using the PSU handle pull the PSU from the KSU.
To install the new PSU
 Insert the PSU along the guide rails on the rear side of iPECS-MG.
 Slide PSU into the KSU to firmly seat the PSU in the backplane connector
 To affix securely, insert and tighten four (4) screws as shown below.