1.95"
DIMENSIONS
INSTALLATION
Mount the unit in a suitable enclosure. A NEMA-1 enclosure, designed
for socket-mounted relays is available from Time Mark.
Connect the voltage to be monitored to terminals 6 and 7. These termi-
nals are not polarity sensitive for any of the listed AC or DC models.
Connect the load control wiring to the appropriate terminals on the
socket:
For motor control applications;
use terminals 1 and 8.
For phase loss alarm applications;
use terminals 1 and 2.
Insert the Model 260 into the socket and apply power. If the contact
does not transfer
(green light ON)
, use a voltmeter to insure that the
proper voltage is present. If voltage is correct, rotate the level
adjustment fully counter-clockwise. The contact should transfer to
provide a signal path between pins 1 and 8.
NOTE:
When installing the Model 260 Sensor in areas of high humidity
or contamination, it is recommended that the base area and all
exposed metal parts of the socket be coated liberally with a good
quality silicon grease, such as Dow Corning DC-4 or DC-4X. Insert the
unit into the socket and wipe off excess grease around the base. This
will prevent the entrance of moisture and other contaminates into the
base and socket areas.
ADJUSTMENT PROCEDURE
The following procedure will allow the Model 260 Voltage Sensor to be
adjusted to achieve a trip point just below the nominal voltage being
monitored.
Rotate the adjustment control fully clockwise, or until the red
(TRIP)
indicator illuminates.
On manual reset versions
, it will be necessary to hold the reset button
down during this next step:
Slowly rotate the adjustment control in a counter-clockwise direction,
just until the green (NORM) indicator comes on.
WARNING
IN APPLICATIONS WHERE VOLTAGES IN EXCESS OF 300
VAC ARE TO BE MONITORED, BE CERTAIN TO USE THE
TIME MARK MODEL 51X120
8-PIN SOCKET, OR AN
EQUIVALENT UL APPROVED 600VAC RATED SOCKET.
MODEL 260
Voltage Sensor
READ ALL INSTRUCTIONS BEFORE INSTALLING, OPERATING OR SERVICING THIS DEVICE.
KEEP THIS DATA SHEET FOR FUTURE REFERENCE.
GENERAL SAFETY
POTENTIALLY HAZARDOUS VOLTAGES ARE PRESENT AT THE TERMINALS OF THE MODEL 260.
ALL ELECTRICAL POWER SHOULD BE REMOVED WHEN CONNECTING OR DISCONNECTING WIRING.
THIS DEVICE SHOULD BE INSTALLED AND SERVICED BY QUALIFIED PERSONNEL.
Installation Instructions
At this point, the Model 260 Voltage Sensor is the most sensitive to
irregular power line conditions. If nuisance tripping occurs, turn the
control slightly farther counter-clockwise.
A more accurate setting will require the use of an adjustable voltage
source, and a voltmeter to achieve an exact setting.
TROUBLESHOOTING
Should the Model 260 Voltage Sensor fail to operate properly, check
that proper voltage is being applied to pins 6 and 7.
On manual
reset versions
, place a jumper across pins 3 and 4 if an external,
normally-closed reset switch is not connected. Should problems
persist, contact your local Time Mark Distributor, or the factory at
800-862-2875
(Monday-Friday; 8 a.m. to 5 p.m. CST)
, for further
assistance.
WARRANTY
The
Model 260 Voltage Sensor
is warranted to be free from defects
in materials and workmanship, and is covered by our exclusive
5-
year Unconditional Warranty
. If the Model 260 fails to operate, for
any reason, we will repair or replace it free, for five years from the
date of purchase. Contact the Time Mark Sales department, Monday
through Friday; 8 a.m. to 5 p.m., CST, for further details.
1
2 3
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6
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power off
condition
PIN DIAGRAM
TIME MARK is a division of
Telephone: Main - (918) 438-1220
Sales - (800) 862-2875
Fax: (918) 437-7584
E-mail: [email protected]
Internet: http://www.time-mark.com
Doc No. 87A133 12/00
© 2000
TIME MARK CORPORATION
11440 East Pine Street
Tulsa, Oklahoma 74116
TYPICAL APPLICATION
Shows No Power Applied