INSTALLATION
Mount the Model 158 3-Phase Monitor in a suitable
enclosure.
Attach 1/4” terminal lugs to the input voltage wires, and then
connect them to the terminals on the Model 158 marked ØA,
ØB, and ØC. Proper clockwise phase rotation should be
confirmed, using a Time Mark Model 108A or 108B Phase
Rotation Indicator or unit will show trip for Phase Reversal.
Attach 1/4” terminal lugs to the load control circuit wires, then
connect them to the terminals marked C and NO.
Apply power. The NO contact will close when correct voltage
is applied. If a Model 158R is being installed, there will be
a 5 minute delay before the contact transfers. The green
RESTART light should be ON during this 5 minute period.
ADJUSTMENT PROCEDURE
NOTE: While adjusting the trip level, you may wish to jumper
the control circuit contacts to prevent the device from tripping
the load on and off.
Slowly rotate the FAILURE LEVEL ADJUST pot clockwise,
until the TRIPPED indicator LED just illuminates, and the
contacts transfer.
Rotate the FAILURE LEVEL ADJUST pot counter-clockwise,
until the TRIPPED indicator LED goes out, and the contacts
re-energize. On the “158R” version, the green RESTART
light will be ON, and there will be a 5 minute delay period
before the contacts re-energize.
Should nuisance tripping occur, after completing these adjust-
ments, turn the FAILURE LEVEL ADJUST pot slightly further
counter-clockwise, as necessary. Remove the jumper from
the control circuit contact, if one was applied.
TROUBLESHOOTING
There are no user-serviceable parts in the Model 158 3-
Phase Monitor. Should the unit fail to operate properly, check
that correct voltage and clockwise phase rotation are being
applied. Check all fuses and wiring connections. 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.
MODEL 158 (R) 3-Phase Monitor
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 158.
ALL ELECTRICAL POWER SHOULD BE REMOVED WHEN CONNECTING OR DISCONNECTING WIRING.
THIS DEVICE SHOULD BE INSTALLED AND SERVICED BY QUALIFIED PERSONNEL.
Installation Instructions
WARRANTY
The Model 158 3-Phase Monitor is warranted to be free
from defects in materials and workmanship, and is covered
by our exclusive 5-year Unconditional Warranty. If the
Model 158 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.
APPLICATION DIAGRAMS
Typical compressor application
optional
alarm
Typical motor control application
TIME MARK is a division of
Telephone: Main - (918) 438-1220
Sales - (800) 862-2875
Fax: (918) 437-7584
E-mail: sales@time-mark.com
Internet: http://www.time-mark.com
Doc No. 87A254 03/02
© 2002 TIME MARK CORPORATION
11440 East Pine Street
Tulsa, Oklahoma 74116
Shows No Power Applied
Shows No Power Applied
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