1
User Manual
Zenex Pro
FRONT PANEL LAYOUT
Figure 1.1
READOUTS
The Upper Readout is a 4 digit, 7-segment bright green LED display and usually displays the Measured Temperature Value. In
Program Mode, the Upper Readout displays parameter values/options.
The Lower Readout is a 4 digit, 7-segment bright green LED display and usually displays SP (Control Setpoint) Value. In
Program Mode, the Lower Readout displays parameter names (prompts).
Table 1.1
Section 1
Status
Indicator
• Indicates Output-1 ON/OFF status if the Control Output is Relay or SSR drive.
• Remains OFF if the Control Output is DC Linear.
OP1
• Indicates Output-2 status if OP2 function is Auxiliary / Blower Control.
• Flashes Alarm-1 status if OP2 function is Alarm.
OP2
OP3
• Indicates Output-3 status if OP3 function is Auxiliary Control.
• Flashes Alarm-2 status if OP3 function is Alarm.
COM
Serial Communication Status. Flashes when data is being exchanged with
Master Device.
OP1
OP2
OP3
TMR
Zenex Pro
WLO
COM
L1
SOK
Upper Readout
Lower Readout
Water Low Indicator
ENTER Key
UP Key
DOWN Key
PAGE Key
Output-1 Status Indicator
Soak Timer Status Indicator
Lower Readout - Soak Time
Output-2 Status Indicator
Output-3 Status Indicator
Serial Comm. Indicator
The controller front panel comprises of digital readouts, LED indicators and tactile keys as shown in Figure 1.1 below.
INDICATORS
There are 8 front panel red LED indicators. These indicator show various statuses. The Table 1.1 below lists each LED
indicator (identified by the front panel legend) and the associated status it indicates.
