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2
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Insta
ller
man
ual
QR
fum
es a
dap
tor
STATE
BOILER
MAIN ZONE
FRI
09/04/2021
12:17
MENU
INFO
SET
PLANT
HOT WATER TEMPERATURE
STATE
42
°C
1.3 bar
BOILER
OFF
HOT WATER ONLY
HEATING AND HOT WATER
1
- Perform the combustion check verifying that the CO
2
values
correspond to those indicated in section 6.
-
Once completed, remove the analyser probe and close
the combustion analysis test points, using the previously
removed cap and screw..
b
Should the readings be significantly different from the
values declared in the technical data table;
do not
attempt to carry out any adjustment of the gas valve.
Please call the Vokera technical Helpline for assistance
and further advice.
b
The gas valve is non-adjustable and must not
be tampered with. Tampering with the gas valve
will result in the malfunction of the appliance and
possible damage to components.
b
When the sweeper function is in progress all the heat
requests are paused and a scrolling message appears
at the foot of the main page of the REC10; green and
red LEDs are off
.
When the checks are completed:
-
set the boiler to “SUMMER” or “WINTER” mode depending
on the User’s requirements
-
regulate the heat request temperature values according to
the customer’s needs.
IMPORTANT
The sweeper function is active for a time limit of 15 minutes; the
burner shuts down if an outlet temperature of 95° C is reached.
It will ignite again when the temperature falls below 75° C.
6.13 LIGHTS AND FAULTS
In the unlikely event of appliance malfunction and/or a
system fault, the appliance will enter a final or temporary fault
condition, whereby it will shut down and a warning triangle
will appear on the left side of the UI screen. Use the arrow
buttons on the UI to navigate to the warning triangle, and
press select. Then follow the instruction/advice as shown on
the UI screen.
18/05/2013
12:17
MENU
INFO
SET
42
°C
1.3 bar
FRI
PLANT
HOT WATER TEMPERATURE
STATE
The faults description screen is automatically displayed once
the display illumination time has elapsed without any button
being pressed.
Press the
“up”
and
“down”
keys to display the descriptions
of any other faults that may be present.
Reset function
In order to reset the boiler’s operation in the event of a
fault, it is necessary to access the fault description screen.
If the lockout is of a non-volatile type that requires a reset
procedure, this will be indicated on the screen, and can be
performed by pressing the
“ok”
button on the REC10.
At this point, if the correct operating conditions have been
restored, the boiler will restart automatically.
There are a maximum of 3 consecutive attempts at a release
by the REC10, should all 3 attempts at reset fail, the appliance
will require to be isolated briefly from the electrical supply
in order to carry out any further reset attempts. Once the
electrical supply has been restored, further attempts at reset
can be carried out. In case of all the attempts are exhausted
the definitive fault E099 occurs on the display.
E020
LIMIT THERMOSTAT
REC10 ATTEMPTS EXHAUSTED
b
If the attempts to reset the boiler are unsuccessful,
please contact the Vokera technical helpline.
For fault E041
If the pressure drops below the safety pressure limit of
0.3 bar the boiler displays the fault code “E041 - WATER
TRANSDUCER LOAD THE SYSTEM” for a transitional time
of 30 sec
during which it is possible to open the external filling
tap until the pressure is between 1 and 1.5 bar.
E041
WATER TRANSDUCER
LOAD THE SYSTEM
b
If the pressure drops frequently, contact your installer or
the Vokera customer care centre.
For fault E060
There is a configuration error; check that the appliance has
been configured as a CH only boiler
.
For fault E091
The boiler has an auto-diagnostic system which, based on
the total number of hours in certain operating conditions, can
signal the need to clean the primary exchanger (alarm code
E091). Once the cleaning operation has been completed,
reset to zero the total hour meter following procedure
indicated below:
- select TECHNICAL
EXHAUST PROBE RESET
CONFIRM or CANCEL.
CONFIRM OR DELETE SELECTION
CONFIRM
CANCEL
THE PARAMETER WILL BE
CHANGED
RANGE RATED
CALIBRATION
WEATHER COMPENSATION
COMBUSTION ANALYSIS
EXHAUST PROBE RESET
INSTALLER
TECHNICAL
NOTE:
the meter resetting procedure should be carried out
after each in-depth cleaning of the primary exchanger or if
this latter is replaced.
The total hours can be verified in the following way: INFO
menu
EXHAUST PROBE (see “2.8 INFO”
- User
section).
