Install the FlowCon SM valve either in the
supply or return pipe work for the unit. It is
recommended that a strainer be installed
prior to the valve body to prevent damage or
blockage due to debris. INSTALL THE VALVE
HOUSING WITH THE FLOW DIRECTIONAL
ARROW POINTING IN THE CORRECT
DIRECTION.
The valve body is available for double flange
connections, i.e figure 1.
O-rings are supplied with the valve body and
are used to seal the connections. Pls. make
sure these are in place in the o-ring grooves
in the inlet and outlet of the valve body, when
installing the housing.
recommended to grease the o-rings with
It is
a silicone grease before installation.
IMPORTANT: Never use mineral oil or petrol
based grease or oil on the o-rings.
Valve bodies are as standard supplied with
pressure/temperature fittings (p/t plugs).
Before finger mounting the p/t plugs in the
body tappings, please seal the threads of the
p/t plugs (DO NOT OVER TIGHTEN).
Fitting and orientation
of the actuator
Pls. install the valve so that the actuator
is located upwards and not lower than the
horizontal line to prevent condensation into
the electronics (pls. see figure 2 next page).
Figure 1
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FlowCon SM 50-150mm DYNAMIC SELF BALANCING
Max 90ºMax 90º
CONTROL VALVE
CORRECT:
Orientation of actuator with
the circuit bord above the
valve spindle
Max 90ºMax 90º
Figure 2
WRONG:
Condensate can drip off the
shaft adapter into this support of the mounting bracket,
gathering until it leaks into the
actuator.
Valve and actuator mounting components and
tool are shown in figure 3.
Actuator wiring and programming
Remove the actuator cover by loosening the
cover screw. Figure 4 illustrates the actuator
circuit board layout and all relevant components when programming your actuator. Set
the maximum flow DIP switches (refer to tables
on page 6-8). If adjusting the DIP switch settings after power has been connected, press
the reset button to input the new setting.
Figures 5-9 illustrate the different signal requirements, i.e. Analog 2-10V, Analog 4-20mA, Pulse Width Modulation and Digital Tri-
Figure 3
state and how to apply resistors and wires.
Connect the wiring according to the selected
input signal.
500ohm resistors (the blue ones) are supplied
for 4-20mA to 2-10V conversion and connected as illustrated in figure 5 (2-10V) or figure 6
(4-20mA).
Two 2.2Kohm resistors (the brown ones) are
supplied for special consideration for digital/
tri-state control. In this mode the actuator is
sensitive to induced electrical voltages from
other sources. To prevent such interference,
wire one 2.2Kohm resistor between pins 1 and
4 and the second 2.2Kohm resistor between
pins 1 and 3 (see figures 8 and 9).
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FlowCon SM 50-150mm DYNAMIC SELF BALANCING
CONTROL VALVE
Figure 4
LED Off: Actual valve postion
Figure 5
Figure 7
Position in rotations
rotations displayed
LED On: Maximum rotation
setting displayed
(alternates every 10 sec.)
Programming and
indication LED
Wiring terminal strip
ANALOG
2-10VDC input and
2-10VDC feedback
PULSE WIDTH
MODULATION
PWM input and
4-20mA feedback
Figure 6
Figure 8
Programming DIP
switches
Reset and
recalibration button
Maximum ow DIP
switches
Manual override
clutch
(DO NOT OPERATE
WHILE POWER IS
CONNECTED)
ANALOG
4-20mA input and
4-20mA feedback
DIGITAL TRI-STATE
2-10VDC feedback
Figure 9
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DIGITAL TRI-STATE
4-20mA feedback
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FlowCon SM 50-150mm DYNAMIC SELF BALANCING
CONTROL VALVE
The actuator is factory preset for an analog signal. If the signal requirement must be
changed, proceed with the instruction below:
Remove power and set all
programming DIP switches
to OFF.
Apply power and within 10
seconds, press and
release the reset button.
The programming and
indication LED should
start blinking.
Turn programming DIP switch #1, #2 or #3 ON,
then OFF to select signal requirement.
Switch #1:
Digital/3-PointFloating/Tri-state.
Switch #2:
PWM Pulse
Width Modulation.
Switch #3:
Analog
2-10V or 4-20mA.
Normally Open or
Normally Closed function setting
The actuator is delivered from factory set to
Normally Closed and an analog control signal
so that a minimum signal of 2V or 4mA will
close the valve and maximum signal of 10V
or 20mA will open the valve to selected maximum flow. If changing to Normally Open, see
below:
For Normally Open set
programming switch #1 to ON.
For Normally Closed set
programming switch #1 to OFF.
Failsafe Open or
Failsafe Closed function setting
This function applies to battery back up failsafe models only. It provides power storage to
drive the actuator either open to the maximum
flow setting or fully closed in the event of a
power supply failure. As standard the actuator
is set to Failsafe Closed.
For Failsafe Open set
programming switch #2 to ON.
For Failsafe Closed set
programming switch #2 to OFF.
PWM time base resolution setting
This function applies only if the actuator has
been programmed to accept a pulse width
modulation (PWM) signal. If with PWM,
standard setting is 0.1 to 25 second/100mS
resolution.
For 0.1 to 5 second/20mS
resolution set programming
switch #3 to ON.
For 0.1 to 25 second/100mS
resolution set programming
switch #3 to OFF.
Actuator Zero and Span adjustment
Remove power from the actuator. Re-apply
power to terminal 2 and
within 10 seconds, press
and hold the reset button
until the indication LED
blinks once.
Release the reset button.
The indication LED should
remain illuminated.
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FlowCon SM 50-150mm DYNAMIC SELF BALANCING
CONTROL VALVE
Apply the new zero voltage
to terminal 3 (any value
between 0 and 7VDC).
Press and release the reset
button to memorize this value.
The LED should blink once as
confirmation.
Apply the new maximum voltage to terminal 3
(any value between 3 and 10VDC and at least
3VDC greater than the zero value).
Press and release the
reset button to memorize
this value. The indication
LED should blink once as
confirmation and then
cease to be illuminated.
The actuator will now operate with the new
zero value and span.
FAILURE: If the LED provides 3 sequences of
4 blinks, the zero and span programming was
unsuccessful. This may occur if the difference
between the zero and maximum voltages was
not equal or grater than 3VDC.
NOTE: The feedback signal will always be 420mA or 2-10V and independent of the zero
and span adjustment.
Circuit board diode
over-torque warning signal
Continual blinking indicates that the actuator
torque output limit has been exceeded.
This may have been caused by debris in the
valve internals. Disconnect power and manually operate the valve to clear the debris.
Re-apply power. The actuator will automatically recalibrate and reset. If the problem reoccurs, remove the valve body and check for
debris.
Manual over-ride operation
Remove actuator cover and DISCONNECT
POWER. Failure to disconnect power may
cause damage to the actuator gears. Fit the
manual over-ride key (FlowCon No. ACC0001)
onto the valve spindle. Press the clutch. Rotate
the manual over-ride key to open or close the
valve as required.
Figure 10
General
Water must always be suitable treated, clean
and free of debris. It is recommended that a
strainer be installed prior to the valve body to
prevent damage or blockage due to debris.
Ensure that the valve is not in the fully closed
position when filling the system with water.
Further, it is recommended not to exceed
maximum differential pressure control range.
Warranty obligation
Failure to abide by all recommendations as
per this installation and operation instruction
will void warranty.
For latest updates please see www.flowcon.com
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for mistakes, if any, in any printed material.
FlowCon SM 50-150mm DYNAMIC SELF BALANCING
CONTROL VALVE
Maximum ow rate limitation DIP switch settings, SM3