KONVEKTA FR4.1 - User Manual

Konvekta AG
Am Nordbahnhof 5
34613 Schwalmstadt
Germany
Tel.: +49 ( 0 ) 66 91 / 76 – 124
Fax: +49 ( 0 ) 66 91 / 76 - 200
E-Mail: tkd@konvekta.com
www.konvekta.com
Instructions for
installation and service
for control unit
FR4.1
12 - 24 Volt DC
ID#: 11002347AA
Version: A00
Vailed from 08/2014

Summary

Technical data of control unit

General description of the control unit

Connecting and Safety instructions

Provides safety guidelines, installation, mounting, electrical, and sensor connection procedures.

Functions of buttons

Details the functions of the four control buttons and setpoint adjustment.

Faults - indications and signals

Adjustment of Parameters in the menu

Example for change of a parameter, here parameter defrost interval “d.dı”

Demonstrates the process of modifying a specific parameter, including password entry and navigation.

Conversion to cooling with recirculated air defrosting; or replace a FR1, FR2, FR3 or FR4

Details parameter adjustments needed for converting to recirculated air defrosting or replacing older models.

Conversion to cooling - heating with hotgas - defrosting with hotgas

Explains parameter changes for enabling heating and hot gas defrosting modes.

Control of defrosting

Configuration of the parameters with “FR 4 copy-key”

Logic >> Explanations for the functions of the control conditions

Cooling and defrosting with hot gas >> delivery state FR4.1

Cooling and defrosting with recirculated air >> see changes in parameters point 5.2.

Neutral zone (cooling + heating with hot gas) and defrosting with hot gas >> see changes in parameters point 5.3.

KONVEKTA FR4.1 Specifications

General

Storage Temperature	-40°C to +85°C
Relative Humidity	5% to 95% (non-condensing)
Number of Digital Outputs	4
Number of Analog Inputs	2
Number of Analog Outputs	2
Operating Voltage	24 V DC
Communication Interface	CAN