Interscan Corporation BC1-24V User manual

01/14/2014 120-00006 REV A PAGE 1
Proprietary and Confidential: This document is the sole property of Interscan Corp. The information contained
in this document is confidential and is not to be used, reproduced, or discussed without prior written consent by
Interscan Corp.
Instruction Manual
BC1-24VSulfurylFluorideBatteryPackCharger
Service Department
(800) 458-6153 ext. 121
(818) 882-2331 ext. 121
FAX (818) 341-0642 E-mail: service@gasdetection.com

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Proprietary and Confidential: This document is the sole property of Interscan Corp. The information contained
in this document is confidential and is not to be used, reproduced, or discussed without prior written consent by
Interscan Corp.
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TABLE OF CONTENTS
SECTION TITLE PAGE
Introduction 4
1.0 Battery Charger Principles of Operation 4
2.0 Precautions and Proper Care 4
3.0 Operation 5
4.0 Troubleshooting 5
4.1 Determining Internal Impedance 6-7
5.0 Warranty 8
6.0 Return Authorization 9

120-00006 REV A PAGE 4
Proprietary and Confidential: This document is the sole property of Interscan Corp. The information contained
in this document is confidential and is not to be used, reproduced, or discussed without prior written consent by
Interscan Corp.
Introduction
This manual covers the basic function, operation and precautions associated with the
Interscan BC1-24V Sulfuryl Fluoride Battery Pack Charger. The manual should
be read completely before using the charger!
1.0 Battery Charger Principles of Operation
The battery charger has the universal input range of 100 to 240 VAC (50/60 HZ). Output is
28.8 VDC maximum and 1.5 ADC maximum. The input connector is a standard 3-Pin
IEC60320 C14 mated with an AC cord usable in the country of destination. The charger is
protected against short circuit, reverse polarity and over voltage.
The LED first lights green when plugged into AC and not connected to battery pack.
Connection to a discharged battery pack results in the LED turning amber and the charging
process initiating.
The process first stage starts with a pulsed mode for de-sulfation of the battery plates. The
second stage starts with a constant current of approximately 1.5 ADC. The third stage occurs
after approximately 2 hours in which the applied voltage becomes a constant voltage of about
28.8 VDC. In the 4th stage the LED lights green when fully charged (a current of
approximately 0.5 ADC). The final stage is a constant voltage in which the current decreases
approaching zero current. The current is slightly increased from time to time to maintain the
battery. This allows the battery pack to be left on constant charge.
2.0 Precautions and proper care
1] Always monitor battery temperature. A battery warm to the touch is OK, and hot to the
touch may indicate a problem.
2) Charge battery pack at least once a month. Battery packs not used for long periods (over
a month) will begin to have a chemical reaction occur which can decrease the battery pack life
or causeimproper charging.
3] Never charge battery packs showing signs of corrosion. A deposit around the battery
terminals indicates apossible leak of electrolyte.
4] Place resistor for internal impedance test on a brick or surface that will not be damaged by
high heat.

120-00006 REV A PAGE 5
Proprietary and Confidential: This document is the sole property of Interscan Corp. The information contained
in this document is confidential and is not to be used, reproduced, or discussed without prior written consent by
Interscan Corp.
3.0 Operation
Plug BC1-24V charger into AC outlet. The LED should come on and immediately have a green color.
Connect the battery pack if there are no signs of corrosion. The LED should switch to an amber color.
Consult troubleshooting if the LED turns back to green in less than 30 minutes. A fully discharged ("Lo Bat"
on GF1900) battery pack should take 9 to 10 hours to charge in which time the LED will be amber. The
LED will turn to green when the battery pack is fully charged. The batteries can feel warm to the touch
when fully charged. The battery pack may be left connected for longer than 10 hours as long as
temperature is periodically checked and the LED is green.
4.0 Troubleshooting
Symptom
Corrective Action
No Green LED when
plugged into AC, no
battery pack connected
Contact factory
LED turns back to green
in less than 30 minutes
when battery pack is
connected
Measure voltage of battery pack . A voltage greater than 26
VDC indicates the battery pack may not have been fully discharged
to "Lo Bat"
Consult Determining Internal Impedance (See Section 4.1)
High internal impedance can cause LED to turn back to green in
less than 30 minutes
Contact factory
Table of contents