INSTALLATION
Connect the 3-phase wiring to the terminals marked L1,
L2, L3.
Connect the control wiring to the terminals with the contact
markings (refer to the diagram on the unit). The markings
shown on the unit are the failed condition of the contacts.
Apply power.
If the contacts do not transfer (FAILURE INDICATOR-On),
check that all three phases are present and of the correct
voltage.
If all phases are correct, rotate the VOLTAGE LEVEL
adjustment counter-clockwise to the MIN position. If the
contacts still do not transfer, remove power from the unit.
Reverse two of the three input wires and re-apply power.
The contacts should transfer to the normal condition
(normally-open contacts closed, FAILURE INDICATOR-
Off).
ADJUSTMENT
Note: During adjustment you may wish to install a jumper
across the control contacts to prevent cycling the load on
and off.
Rotate the VOLTAGE LEVEL adjustment slowly clockwise
until the contacts transfer to the failed condition (FAILURE
INDICATOR-On). Slowly turn the adjustment counter-
clockwise until the contacts reset to the normal condition
(FAILURE INDICATOR-Off).
Remove the jumper, if installed.
This setting will be correct for most applications. If
nuisance tripping occurs, turn the VOLTAGE LEVEL
slightly farther counter-clockwise.
Any adjustments to the VOLTAGE LEVEL, to eliminate
nuisance tripping, should be made in very small
increments, until the true nuisance trips are eliminated.
MODEL 2594
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 2594.
ALL ELECTRICAL POWER SHOULD BE REMOVED WHEN CONNECTING OR DISCONNECTING WIRING.
THIS DEVICE SHOULD BE INSTALLED AND SERVICED BY QUALIFIED PERSONNEL.
Installation Instructions
TYPICAL APPLICATION
Individual Motor Protection
L1
L2
L3
1 1 1 2 2 2
Control
Voltage
Optional
Stop
Start
Model
2594
TYPICAL APPLICATION
System Alarm Operation
WARRANTY
The Model 2594 Monitor is covered by Time Mark
Corporation’s exclusive 5-Year Unconditional Warranty.
Should this device fail, for any reason, within five years
from the date of purchase, we will repair or replace it free.
Contact the Time Mark Sales department, Monday through
Friday; 8 a.m. to 5 p.m., CST, for further details.
L2 L3L1
1 1 1 2 2 2
Model
2594
Control
Voltage
Lamp
Bell
Load(s)
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. 87A394 12/00
© 2000 TIME MARK CORPORATION
11440 East Pine Street
Tulsa, Oklahoma 74116
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