Then the cursor moves according to the
boiler current status. Small ventilator symbol
represents 0 – 33
%
ventilator output, the
middle-sized ventilator symbol represents 33 -
66
% ventilator output and big ventilator
symbol 66 - 100 % ventilator output. On the left
–hand side part of display the cursor is
displayed in case of demand on
heating
, besides the boiler minimum
temperature when making fire and in boiler
fixed run. The cursor flickers during the warm
water heating.
In case of the manual regime –the ventilator
run (pressing the blue key) the QAA 88 device
display will flicker. It does not regard any fault.
The value „0“ is in P 15 parameter. The
ventilator run in manual regime will be
terminated by pressing the blue key again and
the display stops flickering.
Fig. no. 24 Description of device QAA 88
Fig. no. 25 Connecting dimensions of device QAA 88
6.3.1 Parameters setting and displaying
Parameters setting
If you want to change parameters take following steps:
•
Press simultaneously the keys
OK, ESC
and
– minus
– blank display will appear.
•
Press 2x key
– minus
and n0 appears on the display.
•
Press 2x key
+ plus
and n3 appears on the display.
•
Confirm with key
OK.
•
P
appears on the display and after approx. 2 sec. the digit
1
is displayed
.
•
By the key
OK
the parameter value is displayed.
•
By the key
+ plus
or
–
minus
the displayed value can be changed.
•
By the key
OK
confirm the changed value.
•
By the key
ESC
leave the parameter without any change
•
Select the next parameter by the key
+
plus
or
–
minus
and repeat the whole procedure.
Attention!
After the completion of making changes in parameters always check whether QAA 88 device is
switched on (cursor is above the Auto symbol).
ESC
OK
