Computronic Controls Sentinel 300P - Manual (Page 3)

Sentinel 300P installation, operation & maintenance ci0039 p3/12 issue 9 2015-09-04
Sentinel 300P battery chargers provide new levels of DC
power control, monitoring and protection for standby battery
and engine starting applications.
Computronic advanced charger features included as
standard:
Switch mode charging technology: high power efficiency
and low heat dissipation, plus wide supply voltage
tolerance, in a compact and lightweight package.
Multistage charging: float, bulk, absorption and AutoBoost
stages ensure no compromise between rapid charge
recovery and long term battery capacity and life.
Low output ripple: <1% ripple, beneficial for vented lead
acid & NiCd cells, essential for VRLA, and configurable for
use as a stand-alone DC power supply.
AutoBoost: triggered automatically on low charge levels,
or manually by remote switch, AutoBoost temporarily
increases the charge voltage before returning to float mode.
AutoBoost equalises battery cell charge, maximising battery
capacity and life, without overcharge and gassing.
Temperature compensation: ensures batteries are
charged at the optimal voltage, which varies significantly
with ambient temperature. Sentinel can measure
temperature with a battery mounted sensor and adjust
output voltage to prevent under or over charging.
In addition, the Sentinel 300P also provides:
Flexible configuration: microprocessor programmability
for automatic or manual configuration of output voltages
(12 or 24V nominal), cell types/numbers and charging
applications
– all in one standard model. Programming is
by circuit board links and/or PC software configuration and
monitoring tool.
Inputs & outputs: for remote charger control, and
signalling of charge fail, high/low battery volts and
mains fail faults. Standard model outputs comply with
the NFPA 110 standard. Non-standard input/output
functions available to special order.
Display, instrumentation and communication: options
are available for LCD readout, analogue amp/volt metering
and CAN SAE J1939 communication. All models include
RS485 communication for configuration and control.
The Sentinel 300P is available either as an open-frame
(UL-recognized) module for mounting in existing control
panels, or as a wall-mounted (UL-listed) stainless steel
enclosure with LCD and analogue metering options.
Electrical connection is by circuit board mounted screw
terminal blocks. On enclosed models, wiring harness
access is by knock-out cable gland holes in the case side.
BEFORE BEGINNING INSTALLATION OF THIS PRODUCT
Disconnect all electrical power to the charger
Make sure the charger cannot operate during installation
Follow all safety warnings of the battery manufacturer
Read and follow all installation instructions
WARNING
Specifications
Power supply
Operating voltage: 95 – 250 V AC
Operating frequency: 47 – 63 Hz.
DC Charge Output
Nominal voltage: programmable 12 or 24 V DC
Float/boost voltage:
programmable, see ‘DC output calibration’ table
Maximum current limit: 10 A
Voltage ripple: <1%
Line regulation: <2%
Load regulation: <2%
Outputs x3 (optional x4 on non-CAN models):
All models:
1 x SPDT (RL1), 1 x SPNC (RL2), 1 x SPNO (RL3),
dry/volt-free contacts (common feed for RL1, RL2 & RL3)
Standard models (non-CAN configurations):
1 x SPNC (RL4), dry/volt-free contacts
standard model output functions are compliant with NFPA 110
Rating (all relays): 1A max @ 30 VDC (resistive load), UL class 2
Inputs x2
Closed to negative DC to activate
Physical
Operating temperature: –40 to +60°C / –40 to +140°F
Display viewability (LCD models only): 0 to 50°C / 32 to 122°F
Humidity: 20% to 90% RH
Dimensions: see Dimensions and Assembly section
Weights: see Dimensions and Assembly section
Electrical safety: 2006/95/EC
Electromagnetic compatibility:
2004/108/EC, EN 55022 class B
(EN 61000-6-1, EN 61000-6-3)
UL approvals
All (E)SNTL300P models:
BBGQ: UL1236, CSA 22.2 no. 107.2
BBHH: UL1236 SE
DC output calibration
Battery type: float volts
(V DC)
boost volts
(V DC)
12V Wet (vented) lead acid, 6 cells 13.5 14.1
Calcium-Calcium, 6 cells 13.8 15.6
Lead acid hybrid Sb-Ca, 6 cells 13.5 14.7
VRLA, AGM, 6 cells 13.5 14.4
VRLA, Gel, 6 cells 13.5 13.8
NiCd, 10 cells 14.1 14.5
24V Wet (vented) Lead acid, 12 cells 27.0 28.2
Calcium-Calcium, 12 cells 27.6 31.2
Lead acid hybrid Sb-Ca, 12 cells 27.0 29.4
VRLA, AGM, 12 cells 27.0 28.8
VRLA, Gel, 12 cells 27.0 27.6
NiCd, 18 cells 25.6 26.1
NiCd, 20 cells 28.2 29.0
Note: Calibration figures at 20 deg C. Output voltage will vary if
temperature compensation is enabled
– see Electrical Connection &
Configuration section.
General Information
Please read the following before installing. A visual inspection of this product for damage during shipping is
recommended before installation. It is your responsibility to ensure that qualified mechanical and electrical
technicians install this product. If in doubt, please contact your local Computronic representative.