Atag Q 25S Operating Instructions

Display
Indication
L.E.D.'s
Ste
p
key
Scrolling
Pum
p
programm
on/off
Mode key
Selecting chapters
(Store)
Reset key
Unlocking the boiler
Q
The control panel is provided with a reset key.
When a fault occurs it will be shown by the
flashing
E (Error) with a number code after which the
boiler
is shut down. After pressing the reset key you
can
try to start the boiler again. If the error
message
keeps occurring contact your installer.
7
Opera
ting
instructions
The Reset key
On/of key Pump programm. Continuously yes/no
When 'on' the indication L.E.D. is illuminated.
In most situations the pump can stay in position 'off'.
During severe frost It is possible (when there is no
outside
sensor connected), to choose manually to let the
circulation
pump circulate continually thus reducing the chance of
freezing
pipes (garage, attic or other cold spaces / rooms) which
are
sensitive to frost.
When the pump is
switched
on continuously it can
lead
to undesired heating up
of
the central heating
system
during the summer.
On/off key Domestic hot water (DHW)
When 'on' the indication L.E.D. is illuminated.
On/off key Central heating.
When 'on' the indication L.E.D. is illuminated.
Centra
l heating
on/off
Domesti
c
Ho
t
water
on/off
Explanation of the function keys and display

Atag Q 25S Specifications

General

Brand	Atag
Model	Q 25S
Category	Boiler
Language	English