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Installation and User Guide
4
User Manual
4.1
Control modes overview
The DEVIreg™ Multi is 7 channels controller and every channel can be individually set up
with one from three control modes:
1 .
Single sensor control with temperature sensor - '1 Sensor' mode or '1S' .
2 .
Time proportional power regulation – 'Power Regulation' mode or 'PR' .
3 .
Manually On/Off control with time period – 'MOn'/'MOf' mode .
1S mode or Single sensor control
1S mode is control with temperature sensor and adjustable hysteresis . 1S control typically
can be used for Pipe heating, Ground Ice & Snow melting, Cold rooms' protection, Comfort
Floor heating, Total heating and other applications with temperature control .
This control mode is similar to well-known DEVIreg™ 316 thermostat .
Universal analog channel's inputs (AI) can be selected via software between 8 types of
temperature sensors including NTC 15 kOhm at 25°C .
This mode can be set up with special function to control Alarm min . and max . temperatures .
Additionally, it can be set up with so called Cable OK? function which uses channel digital
input (DI) with connected Current Monitoring Relay (CMR) to control availability of elec-
tricity passing through a heating cable or similar .
PR mode or Power Regulation control
PR mode is time proportional power regulation with a simple duty cycle generator . Time
for status 'Heating On' during the chosen mode cycle can be set up by installer . PR control
typically can be used where one wants to dissipate a subjective amount of power .
This mode is also not connected to a temperature sensor and is therefore very suitable for
installation where it is impossible to install temperature sensor .
This control mode is similar to well-known DEVIreg™ 527 controller .
This mode can be set up with so called Cable OK? function which uses channel digital
input (DI) with connected Current Monitoring Relay (CMR) to control power consumption
or similar .
6
DEVIreg™ Multi
FEC | Produced by Danfoss ©
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