Batteries; Battery Installation; Battery Connections - Whelen Engineering Company IPS 400 Product Manual

Section 6

BATTERIES

6.0 Battery Installation

As previously mentioned, an IPS-400 comes with two 31 Amp-hour batteries. These fit as shown in the drawing.
The IPS-800 comes with two 55 Amp-hour batteries. These are larger than the 31 Amp-hour batteries. They must
be rotated 90 degrees to be installed.
CAUTION: Do not allow battery terminals, cables terminals or uninsulated tools

6.1 Battery Connections

Unplug the battery charger from the AC outlet. Connect the red cable to the (+) terminal of the left battery.
Connect the black cable and the gray thermistor cable to the (-) terminal of the right battery. Last connect the
interconnect cable to the (-) terminal of the left battery and then the (+) terminal of the right battery.
Note: A spark may occur when the last terminal connection is made.
THERMISTOR ASS'Y
PPOSITIVE
(RED)
INTERCONNECT
CABLE
to make contact with the aluminum cabinet.
1/4-20 HEX NUT
1/4" LOCKWASHER
Battery Compartment Connections
NEGATIVE
(BLACK)
1/4"-20 X 3/4"
HEX HEAD BOLT
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