PVI Industries PV500-40 - Manual (Page 2)

Page 2 / 7 PV500-40 04/2013
1. DISPLAY AND INTERFACE
1.1 KEYBOARD BUTTONS
SET
- Displays and modifies the temperature set points.
- In programming mode, it selects a parameter or confirms an operation.
UP
- Displays and modifies the energy saving (Night Time setback) settings.
- In programming mode, it browses the parameter codes or increases a displayed value.
DOWN
- Displays the working hours of the load relays.
- In programming mode, it browses the parameter codes or decreases a displayed value.
CLOCK
- Changes the lower display from the Probe temperature to current time and vice versa.
- To set the current time and day.
EXT
- Changes upper display between Probe 1, 2 and 3 temperatures, modulation % or the
temperature difference between Probe 1 and 2.
- In programming mode it sets the 4-20mA output (Passkey is required (321)).
ON/OFF
- Switches the control ON or OFF.
1.2 KEY COMBINATIONS
+ To lock and unlock the keyboard.
+
To enter the programming mode.
+ To exit the programming mode.
1.3 LED ICON LEGEND
LED MODE Function
ON Temperatures are displayed in degrees Fahrenheit
ON Temperatures are displayed in degrees Celsius
Flashing Call for heat time delay or remote enable/disable is in standby (disabled)
ON Call for heat is on
Flashing Second stage time delay (On 2-stage units only)
ON Second stage on or the AL2 alarm output is enabled.
Flashing Output 3 time delay
ON Output 3 relay on
ON Modulation output signal is in manual control mode or forced to the i1S setting
by digital input 1
ON Modulation output signal is automatically controlled by temperature probe 1
Flashing Modulation output time delay is activated.
Ext
ON Probe 3 is displayed
FLASHING Digital input 2 (alarm) is activated
FLASHING Digital input 3 (alarm) is activated
ON Lower display is displaying the time
FLASHING Alarm signal
FLASHING Programmed working hours limit is exceeded
ON Working hours are displayed in Lower LED readout
ES ON The energy saving function is running