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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