MCM JR-2 Current Interrupter
11640 US Hwy 1, Sebastian FL 32958
Tel: 772-794-9448 ~ Fax: 772-589-9072
E-mail:
~ Web Site:
www.mcmiller.com
Instruments and Equipment for the Corrosion Engineer
18
Repairs
With the exception of the battery and the relay, there are no
field replaceable parts in the JR-2. No one other than
qualified electronic technicians should attempt servicing the
JR-2. Contact the M. C. Miller Co., Inc. if a problem arises.
Low Battery Indication
When the battery has discharged to a factory-set level, a
LO BAT
indication will display in the upper left portion of the
display window. Approximately two hours of operating time
remains when the indicator displays.
Supply Voltage Selection (for charging and/or
powering the unit)
For the JR2 model with the 3-pin socket mounted on the
front of the unit (case handle side):
The input voltage (supply voltage) setting is established via
the fuse selector by the customer. A small bag with the fuse
and the fuse holder is attached on the outside of the case
with instructions provided on how to position the fuse in
order to establish a particular voltage setting.
For the JR2 model with the 3-pin socket mounted on the
back of the unit:
Please see Appendix 1 below (pages 20-27) [How to change
the voltage setting on the JR2’s power entry module to
match the supply voltage, and, how to replace the fuses]
