31
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 according
to point 14.4
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
CIRCULAR PUMP CONNECTION
Circular pump can be connected to boiler
controller only by extension module MX.03.
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