Boiler Controller And Display; Display And Buttons; Display Icons - Slant/Fin VGH-299-CH Installation And Service Manual

12

BOILER CONTROLLER AND DISPLAY.

Display and buttons

ON/OFF. On/off switch. Switches electrical power to the boiler
C OMPUTER.
RESET. Reset lockout error
MENU. Enter the main menu
ESCAPE. Escape / Return to the status overview
RIGHT. Enter a menu item or confirm selection in Status overview
(when directly setting Actual setpoint or DHW setpoint)
LEFT. Return to previous menu item or Status overview
UP. Directly select Actual setpoint of DHW setpoint in the Status overview,
push RIGHT to confirm and use UP or DOWN to adjust value.
DOWN. Directly select Actual setpoint of DHW setpoint in the Status
overview, push RIGHT to confirm and use UP or DOWN to adjust value.
ENTER. Confirm a setting or enter a menu item
12.1.1 D
ISPLAY ICONS
The following table gives a short description of the icons that can be visible on the main screen during operating:
Icon
Description
Central Heating demand
Domestic Hot Water demand
Indicates that the appliance burner is ON
Cascade Emergency Mode active
Error notification
64
Connector for computer cable
Table 12. 2
E93.1601EN032.C VGH installation manual
Boiler Status
CH control state
(Central Heating controller state)
0  Idle
1Request
2 Demand
3 Post circulation
4 Off
Picture 12. 1
Figure 12. 1
RT_Input
(Room thermostat open of closed)
0=Open
1=Closed
Table 12. 1