Watlow Series 102 - Manual (Page 6)

Connect as indicated in the wiring section.
Remove power to the controller and the controller from
the system. Apply power to the system with the
controller removed. If the load turns off, return the
controller to the factory. Consult the factory. If the
load remains on, there are other problems in the
system that must be resolved. Consult the factory.
The polarity is reversed
on the thermocouple.
A faulty unit.
The load will not turn off.
Repair or replace.
Check the fuses, circuit breakers, load and wiring.
Check the ac input connections. If not present, connect
as indicated in the wiring section.
An open sensor.
The load circuit is open.
The ac input is not connected
or is connected improperly.
The load will not turn on.
Action Probable Cause Problem
Troubleshooting
(1914) 102 _ - _ _ _ _ - _ 000
Output Type
C
= Switched (dc), non-isolated
D = Electromechanical relay, 3A,
Form C
K = Solid-state relay, Form A, 0.5A
Line Voltage
1
= 120V Å
2 = 230V Å to 240V Å
Input and Range
Type J
601 = 32 to 600°F (0 to 315°C)
602 = 32 to 1382°F (0 to 750°C)
609 = 50 to 150°F (10 to 66°C)
618 = 0 to 200°F (-17 to 93°C)
631 = 32 to 800°F (0 to 427°C)
Type K
603 = 32 to 2282°F (0 to 1250°C)
611 = 32 to 1112°F (0 to 600°C)
612 = 32 to 482°F (0 to 250°C)
613 = 0 to 2500°F (-17 to 1371°C)
Type R
608 = 32 to 2732°F (0 to 1500°C)
Type S
607 = 32 to 2732°F (0 to 1500°C)
Type T
604 = 150 to 662°F (66 to 350°C)
605 = -328 to 150°F (-200 to 66°C)
610 = -125 to 425°F (87 to 218°C)
Pt 2
606 = 32 to 2543°F (0 to 1395°C)
RTD (100
Ω
)
103 = 32 to 482°F (0 to 250°C)
Control Mode
1
= Heat
2 = Cool
NOTE: Electromechanical relays are warranted for 100,000
closures only. Solid state switching devices recommended for
applications requiring extended service life.
NOTE: Switching inductive loads (relay coils, solenoids, etc.) with
the mechanical relay, switched dc or solid-state relay output
options requires use of an R.C. suppressor. Watlow carries the
R.C. suppressor Quencharc brand name of ITW Paktron, Watlow
Part No. 0804-0147-0000.
The Series 102 is warranted to be free of defects in
material and workmanship for 36 months after delivery to
the first purchaser for use, providing that the unit has not
been misapplied. Since Watlow has no control over its use
or misuse, we cannot guarantee against failure. Watlow’s
obligations hereunder, at Watlow’s option, are limited to
replacement or refund of purchase price of a unit which
upon examination proves to be defective within the warranty
period. This warranty does not apply to damage resulting
from transportation, alteration, misuse or abuse.
• Call or fax Customer Service for a Return Material
Authorization (RMA) number before returning a product.
• Put the RMA number on the shipping label, and also a
description of the problem.
• A 20% of net price restocking charge applies to all
standard units returned to stock.
Contact:
Phone: +1 (507) 454-5300
Fax: +1 (507) 452-4507
If you encounter a problem with your Watlow con-
troller, verify that your wiring is correct for your specific
model number. If the problem persists, an Application
Engineer can discuss your application with you.
Before calling, please have the complete model num-
ber and user’s manual available. You can get technical
support by dialing +1 (507) 494-5656, 7 a.m. to 7 p.m.
Central Standard Time.
The Series 102 User’s Manual is copyrighted by
Watlow Winona, Inc., © August 2000, with all rights
reserved. (1815)
Note: User documentation may be available in French, German, Spanish,
Italian, and Dutch, as well as English. Check Watlow’s website
(www.watlow.com/) for availability. Specify language at time of order.
Technical Support
Returns
Warranty Ordering Information
Watlow Series 102 User’s Manual ■ 6