(2012)
146 _ - _ _ _ _ - _ _00
Output Type
E
= Electromechanical relay, 8A, Form C
Line Voltage
1
= 120V
Å
2
= 230V
Å
to 240V
Å
3
= 24V
Å
Input and Range
Type E
619 = 0 to 799°C (32 to 1470°F)
Type J
601 = 0 to 315°C (32 to 600°F)
602 = 0 to 750°C (32 to 1382°F)
615 = Fixed at 315°C (600°F)
618 = -17 to 93°C (0 to 200°F)
620 = 149 to 427°C (300 to 800°F)
623 = 43 to 54°C (110 to 130°F)
625 = 121 to 221°C (250 to 430°F)
Type K
603 = 0 to 1250°C (32 to 2282°F)
611 = 0 to 600°C (32 to 1112°F)
626 = 16 to 149°C (60 to 300°F)
627 = 0 to 66°C (32 to 150°F)
628 = -17 to 315°C (0 to 600°F)
Type T
629 = -200 to 350°C (-328 to 662°F)
632 = Fixed at -75°C (-103°F)
RTD
101 = -73 to 600°C (-100 to 1112°F) (100
Ω
)
104 = -73 to 600°C (-100 to 1112°F) (1000
Ω
)
105 = 0 to 80°C (32 to 176°F)
106 = Fixed at 200°C (392°F)
107 = Fixed at 350°C (662°F)
108 = Fixed at 110°C (230°F)
109 = Fixed at 150°C (302°F)
110 = Fixed at 120°C (248°F)
111 = Fixed at 250°C (482°F)
Limit Mode
1
= High limit, manual reset on power loss
2
= Low limit, manual reset on power loss
3
= High limit, automatic reset on power loss
4
= Low limit, automatic reset on power loss
Remote Options
0
= Regulating control, integral setpot
N
= Regulating control, no setpot, customer provided
S
= Regulating control, remote setpot with remote reset
P
= Regulating control, remote setpot
NOTE: Electromechanical relays are typically warranted for 100,000 closures only.
The Series 146 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 with-
in 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: 507/454-5300
• Fax: 507/452-4507
If you encounter a problem with your Watlow
controller, 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
number and user’s manual available. You can get
technical support by dialing 507/454-5300, 7 a.m. to 7
p.m. Central Standard Time. The Series 146 User’s
Manual is copyrighted by Watlow Inc., © 2001, with all
rights reserved. (1965)
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
Connect per Input Wiring, page 4.
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. 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 per Power Wiring, page 3.
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
