
Manual
Curtis Model 1624
Battery Charger
Curtis Instruments, Inc.
200 Kisco Avenue
Mt. Kisco, NY 10549
www.curtisinstruments.com
Read Instructions Carefully!
Specications are subject to change without notice.
© 2017 Curtis Instruments, Inc. ® Curtis is a registered trademark of Curtis Instruments, Inc.
© The design and appearance of the products depicted herein are the copyright of Curtis Instruments, Inc.
53098 Rev A 1/17

TABLE OF CONTENTS
1.0 Important Safety and Operating Instructions .......................................1
Safe Operating Instructions ...................................................................2
2.0 Maintenance ...........................................................................................3
3.0 Troubleshooting ...................................................................................... 4
4.0 Charging Proles ....................................................................................5
Table 1 Troubleshooting Chart ......................................................................4
iiCurtis Model 1624 Manual

1.0 IMPORTANT SAFETY AND OPERATING INSTRUCTIONS
This manual contains important safety and operating instructions for standard Curtis chargers. Please
read this information in its entirety before using your Charger.
WARNING
Use charger only with an algorithm selected that is appropriate to the specic battery type. Other
usage may cause personal injury and damage. Lead acid batteries may generate explosive hydrogen
gas during normal operation. Keep sparks, ames, and smoking materials away from batteries.
Provide adequate ventilation during charging. Never charge a frozen battery. Study all battery
manufacturers’ specic precautions (e.g. maximum charge rates and if cell caps should be removed
while charging).
DANGER
Risk of electric shock. Connect charger power cord to an outlet that has been properly installed and
grounded in accordance with all local codes and ordinances. A grounded outlet is required to reduce
risk of electric shock – do not use ground adapters or modify plug. Do not touch uninsulated portions of
output connector or uninsulated battery terminals. Disconnect the AC supply before making or breaking
the connections to the battery. Do not open or disassemble charger. Do not operate this charger if the
AC supply cord is damaged or if the charger has received a sharp blow, been dropped, or is damaged
in any way – refer all repair work to the manufacturer, or qualied personnel. This charger is not intended
for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge on electrical systems and battery charging, unless they have been given
supervision or instruction concerning use of the charger by a person responsible for their safety. Children
should be supervised to ensure that they do not play with the charger.
Figure A
Model 1624
Battery Charger – Front view
1Curtis Model 1624 Manual