To use the alarm output:
1.
Connect a power supply (250V/10A max.) to one of the supply terminals (11 or 21).
2.
Connect the output terminal (NC: 12 or 22 and NO: 14 or 24) to your external
device.
8.5.4
External ON/OFF
The External ON/OFF contacts can be used to control the heater.
X2 X3
Mode
Setpoint
External contacts
On
Normal
X2 = Closed
X3 = Closed
Off
-
X2 = Open
X3 = Open
Economy
Economy (Normal setpoint minus
the Economy setpoint adjust-
ment)
X2 = Closed
X3 = Open
Week program
Switches between Normal and
Economy according to program
X2 = Open
X3 = Closed
The heater is supplied with two shunts on X2 and X3. You can remove the shunts to
permanently set the heater to one mode. You can also replace the shunt with an external
switch or relay so you can open/close the contact remotely.
Caution
Do not apply power to these terminals.
c
0313853_DRE PLUS_ENNLFR_V3.0, 20-06-2023
43
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Содержание DRE PLUS
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