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Magnum XS 450 Power System –48 VDC User’s Manual Page 13
Rectifier Module Installation
WARNING
: Rectifier dc output circuits would be damaged if battery were
installed incorrectly. Before rectifier installation, ensure proper battery
polarity.
Rectifier modules are hot-swappable. The rectifier modules are generally shipped in
separate containers. Remove the rectifier from its shipping container. Using a flat blade
screwdriver, loosen the pawl latch (counter-clockwise) on the rectifier, until the latch is
recessed inside the rectifier. Slide the rectifier module into the shelf between the guides until
it is fully seated. Tighten the rectifier pawl latch (clockwise). The pawl latch is a multi-turn
device and should be turned until the latch holds the rectifier snugly. Since all adjustments
are made from the system control unit, no rectifier adjustments are necessary.
CAUTION: Rectifier fan inlet filters are available for dusty or hostile
environments. Failure to periodically check and clean filters can lead to
rectifier shutdown due to over temperature and produce power plant failure.
Fan inlet filters are available for order from APC (Part Number 1MAF28).
3.5. DC Distribution Module Installation
Module Selection
A variety of dc distribution modules are available. These modules are designed to provide a
convenient means of attaching the dc load cables. These modules also provide over-current
protection, low voltage disconnect and/or load shed capability. The modules that are
attached to the 54-volt return bus bars are designed to provide a convenient means of
attaching the dc return cables.
SKU Number Description LVD Option Qty Allowed in System
0M-2189 Merlin Gerin 12 Circuit Breaker No LVD 3
0M-2188 Merlin Gerin 12 Circuit Breaker 400 A LVD 3
0M-2185 NH2 Fuse No LVD 3
0M-2187 NH2 Fuse 400 A LVD 3
0M-2186 Merlin Gerin 28 Circuit Breaker No LVD 1
0M-2579 Merlin Gerin 28 Circuit Breaker 400 A LVD 1
Table 3.5-1 DC Distribution Module Selector Table