Installation and User Guide DEVIreg™ Multi
FEC | Produced by Danfoss ©4
1 Introduction
DEVIreg™ Multi is 7 channel electronic programmable controller to be installed on
DIN-rail and supposed to be used for controlling electrical heating and cooling systems.
Every channel can be individually set up with three control modes –temperature sensor,
time proportional power regulation without sensor and manually on/off with time period.
Universal analog channels’ inputs can be selected via software between 8 types of temperature
sensors including NTC 15 kOhm at 25 °C. Controller has graphic LCD display, Modbus RS-485
opto-insulated serial interface and 110/230 V AC power supply.
DEVIreg™ Multi has 8 control relays – 2 sets of max. 10 A and 6 sets of max. 6 A; and among
them 4 sets NO and 4 sets NC/NO contacts. Relay control functions can be set up for heating
or cooling systems. Additionally, relay contacts are not connected to a voltage source inside
the controller, and can be used for control systems with any voltage up to 250 V AC.
In addition to 3 control modes, DEVIreg™ Multi has some special functions which can be
programmed for every channel: relay status – opened or closed for ‘Heating On’ mode,
channel activation or deactivation, sensor failure alarm, min. and max. temperature alarms,
cable failure monitoring, relay test, channel on/off, relay cycles’ calculator, etc.
Hardware of DEVIreg™ Multi is based on the Danfoss controller type MCX08M2,
art. no. 080G0307, but is customized with special software.
The product complies with the EN/IEC Standard “Automatic electrical controls for house-
hold and similar use”:
• EN/IEC 60730-1 (general)
• EN/IEC 60730-2-9 (thermostat)
More information on this product can also be found at: devi.com
NB: All relevant abbreviations and words in bold are terms used in DEVIreg™ Multi screen
texts with exact the same spelling.
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