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Building Technologies Division CC1N7817en
24.02.2015
Connection diagrams and connection terminals (cont’d)
Electronic version, only for types with 5 seconds running time
xxxx
X2
V
9
M
VI
I
278
X1
11
4-20mA
GND
26
5
7817d21/0415
IV
453
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.x2xxxx
Range adjustment