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Building Technologies Division
CC1N7817en
24.02.2015
Connection diagrams and connection terminals
(cont’d)
2-position version with 2 end switches and 2 auxiliary switches, 3 relays
X3
X2
X1
1 2
3
III
II
I
4
5 6
VI
M
b1
a1
K-
A
K-
C
a2
b2
K-
B
4 1
5
2
3
R
3 2
1
c1
3
xx
xx
78
17d14/1013
Mains voltage terminals
Dimensioning
X1-1
Free
---
---
X1-2
Controller, open
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X1-3
Controller release
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X1-4
Auxiliary switch AUX (VI)
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9 **
X1-5
Neutral
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X1-6
Auxiliary switch AUX (VI)
NC opener
Output
AC 120 V / AC 230 V
max. 1 A, cos
>0.9 **
X2-1
Fan supply voltage
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X2-2
Mains voltage, close
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X2-3
Low-fire controller
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X2-4
Fan motor
Output
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X2-5
Free
---
---
X3-1
Auxiliary switch AUX (VI)
NO contact
Output
AC 120 V / AC 230 V
max. 1 A, cos
>0.9 **
X3-2
Open (I) / close (II),
changeover relay K-C
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
X3-3
Operation, changeover
relay K-B
Input
AC 120 V / AC 230 V
max. 1 A, cos
>0.9
Notice!
** When connecting a fuel valve:
Max. 0.3 A, cos
φ
>0.8 inductive.
See SQM4x.x4xxxx in this chapter.
SQM4x.x3xxxx
Range adjustment
