Slant/Fin VGH-299-CH, Installation And Service Manual

Page: 64 / 128

E93.1601EN032.C VGH installation manual 64
12 BOILER CONTROLLER AND DISPLAY.
Display and buttons
ON/OFF. On/off switch. Switches electrical power to the boiler
COMPUTER.
Connector for computer cable
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:
Picture 12. 1
Figure 12. 1
Table 12. 1
Boiler Status
CH control state
(Central Heating controller state)
RT_Input
(Room thermostat open of closed)
0  Idle 0=Open
1  Request 1=Closed
2

Demand
3

Post circulation
4

Off
Table 12. 2
Icon
Description
Central Heating demand
Domestic Hot Water demand
Indicates that the appliance burner is ON
Cascade Emergency Mode active
Error notification