Vaillant TURBOmax Plus SERIES Instructions For Installation And Servicing page 54

FUNCTIONAL CHECKS
(COMMISSIONING PART III)
1
2
Fig. F.3: Functional check THERMOcompact
54
3
Functional check of
operation
(THERMOcompact only)
This boiler is fitted with indicator
lights to display the operating status
of the boiler. The status of the
indicators in normal operation will be
as follows.
Boiler in stand by mode
Red lock out indicator (1) OFF.
Yellow flame indicator (2) OFF.
Green indicator (3) has no
function.
Central Heating/hot water opera-
tion
Operate the heating/hot water
system.
If boiler is operating correctly, the
status of the indicators will be as
follows:
Red lock out indicator (1) OFF.
Yellow flame indicator (2) ON
(burner active).
Green indicator (3) OFF.
The LCD display indicates the flow
temperature (in °C) of the boiler in
normal operation.