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Trace Engineering C40 User Manual

Trace Engineering C40
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15
After two hours at the HVD setting, the unit will reduce the battery charging voltage to the
Float voltage setting. This will usually result in more current being diverted to the diversion
load. The Status LED indicator will flash from one to five times followed by a five-second
pause to indicate battery voltage. Depending upon system voltage and the number of
flashes between pauses, subtract the value shown on the faceplate of the unit from the
HVD (Bulk) setting. When the LED flashes only once between pauses, the battery voltage
is less than the lowest HVD value at the bottom of the chart. For a unit configured for 24
volts, for example, with the HVD (bulk) set at 26 volts and the LED flashing only once
between pauses, the battery voltage will be less than 24.5 volts (26 minus 1.5 = 24.5). This
means that the battery could be seriously discharged. When the LED stops flashing and
lights steadily, the battery voltage is equal to the float charging voltage.
.
Two optional LCD digital volt meter (DVM) displays are available for the C40; the DVM/C40
replaces the standard faceplate on the C40 and the C40R/50 or C40R/100 mounts
remotely in a standard double-gang switch box. The remote version is available with either
50 foot or 100 foot cables. Longer runs maybe possible because the communication is a
serial-data type link.
These displays include a two-line, 32 character LCD and a status LED indicator.
The DVM display provides the following information:
PV Array or DC load pass-through current: 0 to 63 amps DC
Battery voltage: 4 to 100 volts DC
Watts: 0 to 3600 watts DC (volts times amps)
Amp-hours: 0 to 65536 ah; can be reset to 0
Totalizing amp-hours: 0 to 65536 ah; resets to zero when power is disconnected
Status LED: green, red, or orange
If the C40 is disconnected from the battery or the DVM cable, the DVM will be reset when it
is powered up.
Note: The LED will light green in Diversion and Charge Control mode, never in
Load Control mode
only
!
!
!
!
!
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C40 Digital Volt Meter Displays
You can press and hold the pushbutton on the front of the DVM to manually
reset the amp-hour meter. Press and release this button to turn the backlight on or off. An
adjustable potentiometer on the back of the DVM enables you to adjust the contrast of the
LCD display. When installing the DVM, be sure to set the jumper on the printed circuit
board over the pin set for the system voltage, either 12, 24, or 48 volts.
Copyright Trace Engineering Co. Inc. Tel (360) 435-8826 Part Number 2680 Rev. C
5916 195 Street, NE Fax (360) 435-2229 November 4, 1998
Arlington, WA 98223 USA www.traceengineering.com Page
ļ›™
th
Actual Battery
Voltage
Totalizing Amps:
resets to zero
at battery or
load disconnect
Amp-hour reset &
backlight button. Press
and hold for 20
seconds to reset.
Press and release for
backlight.
Watts (volts x
amps)
Supply or Load
Current (amps)
Resettable amp-
hours
Status LED
01.5 0019 13.1
C40R

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Trace Engineering C40 Specifications

General IconGeneral
BrandTrace Engineering
ModelC40
CategoryController
LanguageEnglish