WPT Installation Manual
Document No. 910-00005-01, Rev 17
Page 13 of 19
3
Operation
The various indicators and characters that are displayed on the LCD display are
shown in the Figure 16.
Figure 16. LCD Display
The front panel of the LCD display is used to perform the following functions:
•
Adjusting the setpoint temperature
•
Turning on/off the occupancy override
•
Measuring the branch line pressure
3.1
Adjusting the Setpoint Temperature
The setpoint temperature may be shifted up or down using the
▲
or
▼
buttons. To
change the setpoint temperature:
•
Press the
▲
or
▼
button once to view the current setpoint along with the setpoint
indicator.
•
Press the
▲
or
▼
button to change the setpoint value.
•
Once the desired value is reached, press the OVR button to accept the change.
Leaving the display on the desired value for 5 seconds will also result in a setpoint
change.
The LCD display will revert to the current temperature.
3.2
Turning ON/OFF the Occupancy Override
NOTE: This feature only works if the WPT is in “Unoccupied” mode as commanded
by the scheduler.
To change the occupancy state from “Unoccupied” to “Override”:
•
Press the OVR button to activate the occupancy override. The LCD display
flashes the override duration in hours.
•
Press the
▲
or
▼
button to change the override duration to desired value.
•
Once the desired value is reached, press the OVR button to accept the change.
Leaving the display on the desired value for 5 seconds will also result in a duration
change.
