9 Technical documentation
9.1 Sensor variables
External sensor (QAC 31)
Contact sensor
Circulation sensor
Supply sensor
External room sensor
DHW sensor
NTC 600
Ω
NTC 5 k
Ω
NTC 12 k
Ω
°C
Ω
°C
Ω
°C
Ω
-35
672
-20
48180
-15
71800
-30
668
-15
36250
-10
55900
-25
663
-10
27523
-5
44000
-20
657
-5
21078
0
35500
-15
650
0
16277
5
27700
-10
642
5
12669
10
22800
-8
638
10
9936
15
17800
-6
635
15
7849
20
14800
-4
631
20
6244
25
12000
-2
627
25
5000
30
9800
0
623
30
4029
35
8300
2
618
35
3267
40
6600
4
614
40
2665
45
5400
6
609
45
2185
50
4500
8
605
50
1802
55
3800
10
600
55
1494
60
3200
12
595
60
1245
65
2700
14
590
65
1042
70
2300
16
585
70
876
75
2000
18
580
75
740
80
1700
20
575
80
628
85
1500
22
570
85
535
90
1300
24
565
90
457
26
561
95
393
28
556
100
338
30
551
105
292
35
539
110
254
Installation and operating instruction
Remote control station WCM-FS 2.0 and extension module WCM-EM 2.1
9 Technical documentation
83277502 • 3/2012-10 • La
104-106
Summary of Contents for WCM-EM 2.1
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