If any of alarms is to be reported AL2, AL3 –
set parameter for “6”
12.15
MIXER CONNECTION
During assembly works for mixer
servomotor pay attention not to
overheat the boiler. This may
happen when there is a limited
flow of water from the boiler. It is
recommended
to
check
the
location of valve in maximum
opening before starting work, to
ascertain heat acceptance from
the boiler by opening the valve to
maximum.
The
controller
cooperates
only
with
servomotors of mixing valves equipped with
end switchers. Using other servomotors is
forbidden. Servomotors with full circle scope
of 30 to 255s can be used.
Connecting mixer description:
-
Connect mixer temperature sensor
-
Connect electrical mixer pump
-
Activate the controller and select in
service menu proper
mixer service
MENU
SERVICE SETTINGS
Mixer 1
settings
Set in mixer service settings proper time of
valve opening
(time should be written on
data plate of servomotor, i.e. 120s).
-
Connect electrical power of the
controller and activate it so the mixer
pump is working,
-
Choose the direction in which
servomotor opens and closes. To do so,
switch the button to manual control and
find position in which temperature in
mixer circuit is maximal (in controller it is
position 100% ON) and value position
when temperature of mixer circuit is
minimal (in controller it is position 0%
OFF). Remember the position in order to
later verification of proper connection,
-
Disconnect the electrical power to the
controller
-
Connect electrical power to mixer
servomotor with the controller, according
to point 12.4 and value servomotor
producer’s
documentation.
Do not confuse opening direction with
closing direction,
-
Connect electrical power to the
controller and switch it into STAND-BY
mode
-
Check if wires for mixer opening and
closing are not swapped. Go into:
MENU
Manual control
and open mixer by
selecting
Mixer 1 Opening
= ON. By
opening servomotor temperature on the
mixer sensor should increase. If not,
disconnect the power and swap wires.
(attention: another cause may be
incorrectly connected valve! – check the
producer’s documentation if it is properly
connected),
-
Set other parameters of the mixer
Calibration of valve indicator position:
Indicator of valve position is in the menu:
MENU – Information.
For mixer 1 after some
time it will calibrate automatically. In order
to make the valve position indicator
displaying quicker the right value, disconnect
the electrical power of the controller, than in
cover of the controller switch the button into
manual control. Turn the cap of the valve
into closed position, then again switch the
button in the cover into AUTO. Connect the
electrical power to the controller - %
indicator of valve opening is calibrated.
Attention, in mixers No 2,3,4,5 calibration is
automatic after connecting electrical power.
In case of these mixers wait until indicator of
valve opening is calibrated in %. During
calibration the servomotor is closed through
valve opening time.
The calibration is
displayed in MENU – Information – mixer info
– “CAL”
12.16
TEMPERATURE LIMITER
CONNECTION STB
In order not to overheat the boiler due to the
controller breakdown it is obligatory to use
STB safety temperature limiter or any other
one suitable for given boiler. Limiter STB
should be connected to terminals 1-2. When
limiter is activated, blowing is stopped as
well as engine of fuel feeder.
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