F&F CP-721-FPV Bedienungsanleitung
- 1 -
CP-721-FPV
Voltage relay
for photovoltaic systems
The CP-721-FPV 1-phase voltage relay is dedicated for photovol-
taic systems. In the event of detecting an excess of the preset
voltage level, the output relay will switch on, with the help of
which it is possible to switch on an additional consumer (e.g.
a boiler), thus increasing the self-consumption of energy in the
domestic installation and reducing the risk of the photovoltaic
inverter switching off due to excessively high mains voltage.
»Output circuit switched on when voltage is exceeded, swit-
ched off when voltage decreases;
»Precise adjustment of switching voltage;
»Programmable delay for relay activation and deactivation;
»Programmable voltage hysteresis for relay deactivation;
»Direct control of loads up to 16 A;
»LED display for continuous voltage monitoring.
Purpose
Functions
F&F Filipowski sp. j.
Konstantynowska 79/81, 95-200 Pabianice, POLAND
phone/fax (+48 42) 215 23 83 / (+48 42) 227 09 71
www.fif.com.pl; e-mail: biuro@fif.com.pl
Do not dispose of this device in the trash along with other waste! According to the Law on
Waste, electro coming from households free of charge and can give any amount to up to
that end point of collec� on, as well as to store the occasion of the purchase of new equip-
ment (in accordance with the principle of old-for-new, regardless of brand). Electro thrown
in the trash or abandoned in nature, pose a threat to the environment and human health.
- 2 -
The CP-721-FPV relay continuously monitors the voltage in the
mains supply, the measured voltage value is indicated on the
display on the front of the device. If the voltage is detected to
exceed the preset level "Uon", the overvoltage time countdown
starts. If the voltage is exceeded for a time longer than the pre-
set "Uon" value, the built-in relay will switch on. Activation of
the relay is signalled by lighting up the yellow LED located below
the display.
The condition for switching off the relay is that the mains vol-
tage drops below the value ("Uon" – hys), while this voltage
must remain below the preset level for the time set in the "tof"
parameter.
Functioning
- 3 -
A diagram of how the relay works is shown in the figure below:
The relay is equipped with thermal protection to prevent
the device from exceeding a safe internal temperature
(e.g. due to excessive load current). If this is triggered,
the internal relay switches off and the display shows the
message:
The condition for returning to normal operation is:
– the temperature inside the enclosure decreases to a
safe level,
– 10 minutes have elapsed since the temperature drop-
ped (this state is signalled by alternating display of an
error message and the time remaining until the alarm
is cancelled).
- 4 -
The CP-721-FPV relay allows 4 parameters to be set by the user:
Parameter Function
Settings
Min Max Step
Relay activation
voltage 245 V 265 V 1 V
Relay deactivation
voltage hysteresis 1 V 10 V 0.5 V
Delay from
overvoltage to relay
activation
0 s 999 s 1 s
Delay from voltage
drop to relay
deactivation
0 s 999 s 1 s
Settings
- 5 -
»To enter the settings mode of the relay, press and hold down
simultaneously the "+" and "–" buttons located on the front
of the relay. The entry into the settings mode is signalled by
the display of the name of the first parameter to be edited
(Uon).
»Use the "+" or "–" buttons to select the correct parameter
and press both buttons simultaneously once more, until the
value of the edited parameter is displayed.
»Use the "+" or "–" buttons to set the new value of the
parameter.
»Confirmation of the new value takes place after pressing both
buttons simultaneously, or after leaving the entered value
unchanged for a few secondsd.
Change of settings scheme
Wiring diagram
- 6 -
When installing the relay for 3-phase photovoltaic instal-
lations, it is recommended to connect the CP-721-FPV
relay to the phase with the highest voltage overshoot,
or to use a separate relay for each phase and control the
load via an additional phase switch. An example wiring
diagram is shown in the figure below:
- 7 -
If there is a risk of simultaneous overvoltage on more
than one phase, it is advisable to use a separate CP-721-
FPV relay for each phase to be monitored and for each
relay to switch its own load.
power supply 150÷300 V AC
contact 1×NO
(COM connected to terminal 5)
maximum load current (AC-1) 16 A
contact activation voltage 245÷265 V/step 1 V
contact deactivation hysteresis 1÷10 V/step 0.5 V
contact activation delay 0÷999 s/step1 s
contact deactivation delay 0÷999 s/step 1 s
measurement accuracy ±1 V
display 3× segment LED 5×9 mm
power indication yellow LED
power cinsumption 0.8 W
terminal 2.5 mm² screw terminals (cord)
4.0 mm² screw terminals (wire)
tightening torque 0.5 Nm
working temperature -25÷50°C
dimensions 2 modules (35 mm)
mounting on TH-35 rail
ingress protection IP20
Technical data
- 8 -
The F&F products are covered by a warranty of the 24 months
ffrom the date of purchase. Effective only with proof of purcha-
se. Contact your dealer or directly with us.
F&F Filipowski sp. j. declares that the device is in conformity
with the essential requirements of The Low Voltage Directive
(LVD) 2014/35/EU and the Electromagnetic Compatibility (EMC)
Directive 2014/30/UE.
The CE Declaration of Conformity, along with the references to
the standards in relation to which conformity is declared, can be
found at www.fif.com.pl on the product page.
Warranty
CE declaration
E220816
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