ci0050 issue 5, 2014-08-26
Sentinel 150P series
Programmable, automatic switch mode battery chargers
Installation, Operation and Maintenance
This Manual Refers to the Following Models
Open SNTL150P1205CD frame SNTL150P2405CD models SNTL150P1205CDA
SNTL150P2405CDA
For safe and correct use of these chargers, read and save the safety information that precedes the installation and operation instructions.
This guide contains 8 pages (including this one). If any pages are missing, contact the battery charger supplier or manufacturer for replacement documentation.
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time. Computronic Controls products and the Computronic Controls logo are registered and/or common law trademarks of Enovation Controls LLC.
This document, including textual matter and illustrations, is copyright protected by Enovation Controls Ltd., with all rights reserved. © 2014 Enovation Controls Ltd.
41 – 46 Railway Terrace, Nechells, Birmingham, B7 5NG, United Kingdom Web: www.computroniccontrols.com
For sales & support, contact: |
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ENOVATION CONTROLS LTD. |
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ENOVATION CONTROLS |
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Church Road, Laverstock, |
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5311 S 122nd East Avenue, |
Salisbury, SP1 1QZ, United Kingdom |
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Tulsa, OK 74146, USA |
Phone: +44 1722 410055 |
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Phone: +1 918 317 4100 |
Fax: +44 1722 410088 |
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Fax: +1 918 317 4266 |
E-mail: sales@enovationcontrols.eu |
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E-mail: sales@fwmurphy.com |
Web: www.computroniccontrols.com |
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Web: www.fwmurphy.com |
www.fwmurphy.eu/computronic |
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Important Safety Information – Read and Save These Instructions
This manual contains important safety and operating instructions for all SNTL150P models.
Do not expose the battery charger to rain, snow or wet environments.
The use of any attachment not recommended or sold by the battery charger manufacturer may result in risk of fire, electric shock or injury to persons.
Do not operate the charger if it has received a sharp blow, been dropped, or otherwise damaged in any way: return to supplier.
Do not disassemble the charger: return to supplier when service or repair is required. Incorrect re-assembly may result in a risk of electric shock, fire or faulty operation.
WARNING – RISK OF EXPLOSIVE GASES
WORKING IN THE VICINITY OF A LEAD ACID BATTERY IS DANGEROUS. BATTERIES GENERATE EXPLOSIVE GASES DURING NORMAL BATTERY OPERATION.
To reduce the risk of battery explosion, follow these instructions and those published by battery manufacturers and the manufacturer of any equipment you intend to use in the vicinity of the battery. Review cautionary marking on these products and any attached equipment.
PERSONAL PRECAUTIONS.
(i) Someone should be within range of your voice or close enough to come to your aid when you work near a lead-acid battery.
(ii) Have plenty of fresh water and soap nearby in case battery acid contacts skin, eyes or clothing.
(iii) Wear complete eye protection and clothing protection. Avoid touching eyes whilst working near batteries.
(iv) If battery acid contacts skin or clothing, wash immediately with soap and water. If acid enters eyes, immediately flood eyes with running cold water for at least 10 minutes and get immediate medical attention.
(v) NEVER smoke or allow a spark or flame in vicinity of battery.
(vi) Be extra cautious to reduce risk of dropping a metal tool on to the battery. It may spark or short-circuit the battery or other electrical part that may cause explosion.
(vii) Remove personal metal items such as rings, bracelets, necklaces and watches when working with batteries. High power batteries can produce a short-circuit current high enough to weld a ring or the like to metal, causing a severe burns.
(viii) Use the charger only for charging battery types as stated on the charger. Do not use the charger for charging drycell batteries that are commonly used with home appliances. These batteries may burst and cause injury to persons and damage to property.
(ix) DANGER OF EXPLOSION! NEVER CHARGE A FROZEN BATTERY
PRIOR TO INSTALLATION / COMMISSIONING
Clean battery terminals. Be careful to keep corrosion from coming into contact with eyes.
Add distilled water in each cell until the battery acid reaches a level specified by battery manufacturer. This helps purge excessive gas from the cell. Do not overfill. For a battery without cell caps, carefully follow manufacturer’s recharging instructions.
Study all battery manufacturer’s specific precautions, such as removing or not removing cell caps while charging and recommended rates of charge.
Determine the voltage of battery by referring to engine manual and ensure this matches the charger’s output voltage.
CHARGER LOCATION AND CONNECTION
DANGER OF EXPLOSION! Never place the charger directly above battery being charged: gases from the battery will corrode and damage the charger.
Never allow battery acid to drip on to the charger when reading specific gravity or filling battery.
Do not operate the charger in a closed-in area or restrict ventilation in any way.
The battery charger should be connected to a grounded, metal, permanent wiring system; or an equipment–grounding conductor should be run with circuit conductors not connected to equipment-grounding terminal on the battery charger.
Connections to the battery charger should comply with all local codes and ordinances.
Open frame SNTL models – these chargers should be installed so that they are not likely to be contacted by people.
Wiring for the AC supply input, DC charge output and DC control (e.g. alarm output) circuits must be physically separate, e.g. using separate wire harnesses and cable gland access. For AC input and ground leads, use 1mm²/17 AWG or larger wire conductors rated to 90°C/194°F. For DC (charger to battery) leads, use 2.5mm²/13 AWG or larger.
For safe and correct use of the charger, follow the following steps. Should you have any problems or the unit does not function as expected, consult our troubleshooting guide at the end of these instructions.
Visually inspect unit for any signs of damage, caused by transport or storage.
Mount the charger as outlined above, paying attention to ambient temperature.
Ensure the mains AC supply is isolated, and ensure the correct rated input voltage before connection.
Ensure the charger is earthed at the marked earth terminal/stud.
Check batteries in accordance with the manufacturer’s guidelines.
Check that the charger is correct for battery type and voltage.
Connect the charger to the batteries, observing correct polarity and ensuring a secure and tight connection.
Switch on the charger at the mains AC power supply.
Sentinel 150P installation, operation & maintenance |
ci0050 p2/8 issue 5 2014-08-26 |
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.
WARNING
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
Sentinel 150P battery chargers provide new levels of DC power control, monitoring and protection for engine starting and standby battery 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 battery voltage levels, or by a programmable interval timer, AutoBoost temporarily increases the charge voltage to give battery cell charge equalization, without overcharge and gassing. At the end of the AutoBoost cycle, Sentinel automatically returns to float mode charging. AutoBoost maximizes battery power, capacity and service life.
On SNTL150P..CDA models, a programmable input can be configured to activate AutoBoost, regardless of battery voltage. The input is typically triggered using an operator-initiated panel push-switch.
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.
PC software tool: allows flexible, custom configurations, plus real time monitoring and diagnostics. See page 6 for details of Sentinel to PC hardware connection, or separate document ci0052 for information on software installation, operation and program options.
All Sentinel 150P chargers are available as an openframe module (with protective cover) for surface mounting in an enclosed panel. Electrical connection of the AC supply, battery and control circuits is via screw terminal blocks.
Model options
Model codes with suffix 'A' (SNTL150P.... CDA) additionally include an input for charger control and an output for remote signalling of alarm conditions.
Both input and output functions are programmable using the SNTL150P-PCSUITE software tool. See Configuration section for a list of programmable input and output functions.
Sentinel 150P installation, operation & maintenance
Specifications
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SNTL150P |
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SNTL150P |
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power supply: |
1205CD(A) |
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2405CD(A) |
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operating voltage range: |
95 – 265 V AC |
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operating frequency |
47 – 63 Hz |
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DC charge output: |
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nominal voltage |
12 |
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24 |
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float / boost voltages |
see DC output calibration table |
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current limit |
5 |
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5 |
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voltage ripple |
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< 1% |
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line regulation |
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< 2% |
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load regulation |
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< 2% |
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input/output (SNTL150P...A models only): |
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input (x1) |
digital (switch) input, |
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close to –DC to activate, |
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programmable control function |
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output (x1) |
relay switched +DC, |
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1A max @ 30 VDC, |
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programmable alarm function |
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general: |
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operating temperature |
–30 to +60 °C / –22 to +140 °F |
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storage temperature |
–40 to +60 °C / –40 to +140 °F |
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humidity |
20% to 90% RH |
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dimensions |
see Dimensions & Assembly |
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weights |
see Dimensions & Assembly |
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electrical safety |
2006/95/EC (EN 60065) |
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electromagnetic compatibility |
2004/108/EC |
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(EN 61000-6-2, EN 61000-6-4) |
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DC output calibration |
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float volts |
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boost volts |
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Standard calibrations / battery types |
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(V DC) |
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(V DC) |
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12V |
Vented lead acid (6 cells) * |
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13.5 |
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14.1 |
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Calcium-Calcium (6 cells) |
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13.8 |
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15.6 |
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Lead acid antimony (6 cells) |
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13.5 |
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14.7 |
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VRLA, AGM (6 cells) |
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13.5 |
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14.4 |
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VRLA, Gel (6 cells) |
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13.5 |
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13.8 |
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NiCd (10 cells) |
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14.1 |
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14.5 |
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Power supply |
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12.0 |
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n/a |
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24V |
Vented Lead acid (12 cells) * |
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27.0 |
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28.2 |
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Calcium-Calcium (12 cells) |
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27.6 |
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31.2 |
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Lead acid antimony (12 cells) |
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27.0 |
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29.4 |
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VRLA, AGM (12 cells) |
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27.0 |
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28.8 |
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VRLA, Gel (12 cells) |
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27.0 |
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27.6 |
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NiCd (18 cells) |
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25.6 |
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26.1 |
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NiCd (20 cells) |
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28.2 |
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29.0 |
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Power supply |
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24.0 |
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n/a |
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*Unless specified otherwise, factory default calibrations are for vented lead acid
Note: Calibration figures at 20 deg C. Output voltage will vary if temperature compensation is enabled – see Electrical Connection & Configuration section.
ci0050 p3/8 issue 5 2014-08-26
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