Enatel DC System Manual
Page
6
of
26
Model: RWxxx
Version: 3.6
Custom configurations of the rectifier are available for specific requirements, and some
features may not be (or extra features may be) present in each unit.
2.1
LEDs
There are 4 LEDs that indicate the operational state of the rectifier. These LEDs can be
used to determine the present state of the rectifier and diagnose faults.
Mains On:
•
This LED glows green to indicate that mains power is connected to the unit and
that the primary stages of the rectifier are operating.
Off Normal LED:
•
Yellow – Rectifier in “Current Limit”
•
Red – Rectifier shutdown through over voltage or over temperature.
Float/Boost LED:
•
Green – Rectifier operating in “Float Charge” mode
•
Yellow – Rectifier operating in “Boost Charge” mode
Temperature Probe LED:
•
Green – Temperature Compensation Probe connected and within limits
•
Red – Rectifier has failed– also lights if the output voltage is externally forced
above the rectifier output v 4.5%. Powered from the battery. Off if the
LVD has tripped.
N
OTE
: if the Temperature Compensation Probe is connected and the rectifier fails, the LED
may not show. The monitor external signals are still correct. To verify the condition,
unplug the Temperature Compensation Probe.
2.2
Display
A row of LEDs on the front panel indicates the approximate percentage current output
from the rectifier (only 1 LED is lit at any one time). So if the 60% LED is displayed on a RW
312 rectifier, then the current being drawn from the rectifier is 60% of 20A = 12Amps.
2.3
Auto Float Boost
When the rectifier is powered on, the rectifier starts in Boost Charge mode. If the battery
charge current is above the Boost to Float Current threshold, it will stay in Boost Charge
mode. When the battery charge current falls below the Boost to Float Current threshold
for more than 10 seconds, it will switch to Float Charge mode. If for some reason the
battery charge current rises above the Boost to Float Current threshold, the rectifier will
switch back into Boost Charge mode (there is no time delay).
A Boost Timer limits the time the rectifier stays in Boost Charge mode. While the rectifier
is in Boost Charge mode and in Current Limit, the Boost Timer is inhibited. When the
rectifier comes out of Current Limit, the Boost Timer starts and will automatically switch
