Xylem 378 TEMPERATURE CONTROLLER - Manual (Page 2)

Global Water
800-876-1172
• globalw.com
- 2 -
The model 378 is a high performance industrial grade digital indicating single set point
PROPORTIONAL /ON - OFF controller for use with type K, J ,T and E thermocouple.
Thermocouple gain and cold junction are automatically compensated by internal
electrode circuits.
An accurate 1 mV per display count analog is provided to interface the instrument with a
recorder, printer, and so on.
Table of Contents
I) Inspection................................................................................................................ 3
II) Specifications.......................................................................................................... 3
III) Mounting
procedure................................................................................................ 4
IV) Wiring diagram ....................................................................................................... 6
V) Analog voltage output............................................................................................. 6
VI) Controller action ..................................................................................................... 6
VII) Bandwidth adjust .................................................................................................... 7
VIII) Controller set and reset ........................................................................................... 7
IX)
Relay and front panel LED format.......................................................................... 8
X) Thermocouple burn out protection.......................................................................... 8
XI) Trouble Shooting .................................................................................................... 9
XII) Warranty ................................................................................................................. 9
* Copyright
© Global Water Instrumentation, Inc. 2006