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5. Connecting the Batteries
NOTE
: Ensure battery breaker is turned open / off.
Connect four 12VDC batteries in series
for a
total of 48VDC.
6. Install and Connect the Temperature Probe
NOTE:
Batteries
are adversely affected by h
eat; the Temperature
Probe provides feedback to
control the cooling system.
T
he Battery
Temp Probe
connector
must be plugged
into the UPS for
i
t
to
function
.
IMPORTANT:
Because it is easy to overlook, an unconnected
Temperature Probe is the main reason that the red Alarm LED comes
ON
when power is applied.
1. Attach the Temperature Probe to the battery that you expect will be
exposed to the most heat—for example, the battery next to the wall of
the c
abinet where you expect to have the most exposure to the sun.
NOTE:
Connect the ring lug connector of the Temperature Probe to
the
battery terminal.
2. Connect the supplied 10-foot extension cable to the Temperature
Probe and r
oute it to the UPS.
BATTERY TEMPERATURE SENSOR
48V BATTERY CONNECTOR
BATTERIES CONNECTED TO BATTERY HARNESS
BATTERY TEMPERATURE PROBE
5