Idiomas disponibles
Idiomas disponibles
GP 1
230 V AC
Connecting multiple heaters to a room
thermostat or an environmental control
L
N
N LT LV
computer
X2
X1 Gas
5 Connect a room thermostat for 230 V AC.
▷ 1. Power supply via the heater.
GP 1
230 V AC
L
N
N LT LV
X1 Gas
X2
230 V AC
GP 1
L
N
▷ Only one bridge may be connected in a single
L
N
N LT LV
heater between connectors X1 and X4. "N" may
X1 Gas
X2
be connected to all successive heaters between
230 V AC
10-24 V AC/DC
connectors X4 only.
GP 1
L
N
230 V AC
L
N
N LT LV
+V
X2
X1 Gas
GP 1
L
N
N LT LV
X2
X1 Gas
230 V AC
GP 1
▷ 2. Power supply via the environmental control
230 V AC
L
N
N LT LV
computer.
X1 Gas
X2
230 V AC
GP 1
L
N
N LT LV
L
X2
X1 Gas
N
230 V AC
GP 1
L
N
N LT LV
X2
X1 Gas
L
N
N LT LV
GP 1
X2
X1 Gas
10-24 V AC/DC
230 V AC
5 Connect a room thermostat for 24 V DC/AC to
GP 1
connector X8.
▷ The 24 V power supply must be from an external
source.
+V
L
N
N LT LV
X1 Gas
X2
10-24 V AC/DC
GP 1
+V
230 V AC
L
N
N LT LV
X2
X1 Gas
GP 1
10-24 V AC/DC
+V
GP_95_ACU_NF.indd 5
GP 2
L
N
N LT LV
X2
X4
X1 Gas
X4
GP 2
L
N
N LT LV
X4
X1 Gas
X2
X4
GP 2
L
N
N LT LV
X4
X1 Gas
X2
X4
GP 2
L
N
N LT LV
+V
–
+T
–
+T
mV
X2
X4
X1 Gas
X4
X8
X8
GP 2
L
N
N LT LV
GP 1
GP 2
X2
X4
X1 Gas
X4
GP 2
L
N
N LT LV
X4
X1 Gas
X2
X4
GP 2
L
N
N LT LV
X2
X4
X1 Gas
X4
GP 2
L
N
N LT LV
X2
X4
X1 Gas
X4
L
N
N LT LV
GP 2
X2
X4
X1 Gas
X4
GP 2
–
+T
mV
+V
–
+T
L
N
N LT LV
X4
X1 Gas
X2
X4
X8
X8
GP 2
GP 1
GP 2
+V
–
+T
–
+T
mV
X8
X8
GP 1
GP 2
L
N
N LT LV
X2
X4
X1 Gas
X4
GP 2
+V
–
+T
–
+T
mV
X8
X8
L
Remote reset
N
N
LT
LV
X4
▷ An external remote reset may be connected to
connector X5.
max. 5 A
Reset
Multi-functional outputs (MFA)
max. 264 V
MFA 1
LV
L
i
1
X5
X6
▷ Floating multi-functional outputs can be param-
eterized using connectors X6 and X7. There are
two methods of completing this parameteriza-
tion:
The PC software for burner control units BCSoft
can be used via the optical interface on the burn-
er control unit, see page 20 (Accessories).
The "Setting mode" menu can be opened us-
ing the MODE selection button (heater OFF)
and used for parameterizing the outputs, see
page 8 (Setting mode).
▷ MFA 1, external fan (max. 5 A)
For improved air circulation in the room, an addi-
tional fan can be connected. The external fan can
be actuated with an adjustable delay (BCSoft) for
switching it on and off. The exact time relates to
the operation of the integrated fan.
▷ Possible parameterization options:
– Inactive: the external fan is not actuated.
– Integrated fan active: the external fan is actuated
at the same time as the integrated fan.
– Integrated fan inactive: the external fan is ac-
tuated when the integrated fan of the heater
switches off.
– Modulation enable: the external fan is not actu-
ated until the heater starts modulating operation.
GB-5
max. 5 A
max. 2 A
max. 264 V
max. 264 V
Reset
MFA 1
MFA 2
L
i
1
2
1
2
X5
X6
X7
max. 2 A
AC/DC
max. 264 V
10-24 V
0 V
MFA 2
–
2
1
2
+V
X7
X8
13.09.20 22:52
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