Battery #3
Battery #2
Battery #1
Battery #4
Battery #1
Battery #2
5.3
Wiring the External Batteries and Optional Battery Heater Mats
WARNING!
The batteries must be installed by qualified personnel trained in the safe use of high- energy power
supplies and their batteries. Refer to the safety section in this manual.
Use new batteries when installing a new unit. Verify that all batteries are the same type with identical
date codes.
Use appropriate battery voltage string for 24 and 48V versions of the products.
If you are making your own battery wiring harness, use at least 10 AWG wires.
The battery return connection is to be treated as an Isolated DC return (DC-I) as defined in GR-1089-
CORE.
5.3.1
Procedure
1.
Place the battery heat mat(s) on the battery shelves. Refer to the manual that ships with the battery heat
mat to connect it to a power source.
2.
For FXM350-48 (48V battery string), number the batteries from 1 to 4 with labels or tape. For FXM350-24
(24V battery string), number the batteries from 1 to 2 as shown in the Figure 22.
3.
Coat the battery terminals with the corrosion inhibitor.
To positive terminal
Optional in-line fuse
To negative terminal
To positive terminal
Optional in-line fuse
To negative terminal
Figure 22
— External Battery Wiring (for 48 VDC string (top) and 24 VDC string)
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Summary of Contents for FXM 350 Series
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