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Building Technologies Division
CC1N7817en
24.02.2015
Connection diagrams and connection terminals
(cont’d)
Electronic version
xx
xx
X2
V
9
M
VI
I
2
7
8
X1
1
1
4-
20m
A
GN
D
2
6
5
7817d21
/0
41
5
IV
4
5
3
2
Low-voltage terminals
Dimensioning
X1-1
4...20 mA
Input
max. 20 mA
to X1-2
X1-2
GND
Input
---
Mains voltage terminals
Dimensioning
X2-1
Open position reached (I)
Output
AC 120 V / AC 230 V
max. 10 mA, cos
>0.9
X2-2
Open / high-fire (I)
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9 *
X2-3
Auxiliary switch AUX (IV)
NO contact
Output
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X2-4
Auxiliary switch AUX (IV)
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X2-5
Auxiliary switch AUX (IV) /
NC opener
Output
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X2-6
Low-fire position / ignition
load position reached (V,
VI)
Output
AC 120 V / AC 230 V
max. 10 mA, cos
>0.9
X2-7
Close / ignition (VI)
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9 *
X2-8
Neutral
Input
AC 120 V / AC 230 V
max. 60 mA / 30 mA
X2-9
Controller release
Input
AC 120 V / AC 230 V
max. 60 mA / 30 mA
* Only the control lines to the burner controls or to the control unit may be
connected at the marked terminals.
It is not permitted to connect additional external loads, such as signal
lamps.
See SQM4x.x4xxxx in this chapter.
SQM4x.x5xxxx
Range adjustment
