10
CAUTION!
There are live circuits inside the controller even when the power
switch on the front panel is in the OFF position! The front panel must never be
opened before power to the controller is REMOVED!
If your controller is prewired, it is supplied with a 8 foot, 18 AWG power cord with
USA style plug. A tool (#1 phillips driver) is required to open the front panel.
CAUTION!
When mounting the controller, make sure there is clear access to the
disconnecting device!
CAUTION!
The electrical installation of the controller must be done by trained
personnel only and conform to all applicable National, State and Local codes!
CAUTION!
Proper grounding of this product is required. Any attempt to bypass
the grounding will compromise the safety of persons and property.
CAUTION!
Operating this product in a manner not specified by Walchem may
impair the protection provided by the equipment.
Figure 2 Conduit/Wiring Configuration
Bottom View
Power Output 2 Cu
Supply Output
Alarm Output 3 Output 4
4-20 mA Output Optional Optional Sensor
(optional) Input Input Connector
Inputs
Outputs
Sensor
Connector
4-20 mA (optional)
Strain reliefs (230 VAC) or Holes for
Hardwiring of Input Power and Control Outputs
Side View
Bottom View
Optional
Input
Optional Input
Hardwired Option WCU310
WCU310 Prewired Option
