Display Messages; General Function Information - Rehau NEA H 24 V User Instructions

temperature falls below 5 ºC the heating
valve will be activated.
If an external time switch is activated
and the clock is displayed then the
change in set temperature is temporary.
The set point will return to normal / reduced
on next time switch program change. To
accept changes, press
Auto - Standard thermostat
A
R
B
R
A
Time switch program activ; normal mode
B
Time switch program activ; reduced mode
.

Display messages

A
R
B
A
Frost protection is active
B
Room temperature out of sensor range
Frost protection display will remain
until any key is pressed.

General function information

Valve protection
To protect the valves the output is turned on
for 5 minutes in every week. This function
stops the valve from getting stuck due to
long periods of inactivity.
Pulse width modulation
Room temperature control is achieved by
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