Installation and User Guide DEVIreg™ Multi
FEC | Produced by Danfoss © 7
Manually On/Of mode
Manually On/Of mode (on the screen – MOn or MOf) is control with setting time period
during which relay status ‘Heating On’ or ‘Heating Of’ will operate.
NB: This mode can be used only on the base of 1S or PR modes and upon its completion controller
returns to the same mode from which it started.
4.2 Terms and abbreviations
NB: Terms and abbreviations in the bold are special DEVIreg™ Multi words used for screen
texts, menu lines, etc.
Special terms and abbreviations
Term in
English
Explanation
#1, #2, …, #7 Channel number from 1 to 7.
1S Single Sensor or ‘1 Sensor’ control mode.
The mode with temperature sensor and adjustable hysteresis.
PR Power Regulation control mode.
The time proportional power regulation with a simple duty cycle generator with time set
when heating is turned on during the chosen period/cycle time.
MOn
MOf
Manually On/Of control mode.
The mode with relay setting either for state ‘Heating On’ or ‘Heating Of’ and time setting
during which this mode will be performed.
Heating On
Heating Of
The state when control algorithm decides to start heating or to stop heating.
On
Of
Special abbreviation used for state ‘Heating On’ or ‘Heating Of’.
It’s a logical state not corresponding to relay status with closed or
opened contacts. When con-
trol algorithm activates heating, it appears
on the screen as On. For this case relay contacts can
be either with an opened circuit state or with a closed-circuit condition which are determined
by the setting Relay status RO/RC – Relay Opened (RO) or Relay Closed (RC).
NB: These abbreviations – On or Of – should be used with 1
st
capital and 2
nd
small letters, and
contain 2 letters only.
RO
RC
Relay status RO/RC for state Heating On – Relay Opened (RO) or Relay Closed (RC).
For the heating mode on, the corresponding state of the relay contacts can be selected –
open or closed. This relay status allows to implement both heating and cooling control, as
well as electric and water heating systems.
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