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37
Peak ventilation:
CO
2
sensor diagram
NTC
sensor resistances
Outside temperature sensor, room sensor, supply air sensor,
extract air sensor
Sensor resistances
Temp. °C Resist. Ω Temp. °C Resist. Ω Temp. °C Resist. Ω
Temp. °C Resist. Ω
-21
51393
14
8233
49
1870
84
552
-20
48487
15
7857
50
1800
85
535
-19
45762
16
7501
51
1733
86
519
-18
43207
17
7162
52
1669
87
503
-17
40810
18
6841
53
1608
88
487
-16
38560
19
6536
54
1549
89
472
-15
36447
20
6247
55
1493
90
458
-14
34463
21
5972
56
1438
91
444
-13
32599
22
5710
57
1387
92
431
-12
30846
23
5461
58
1337
93
418
-11
29198
24
5225
59
1289
94
406
-10
27648
25
5000
60
1244
95
393
-9
26189
26
4786
61
1200
96
382
-8
24816
27
4582
62
1158
97
371
-7
23523
28
4388
63
1117
98
360
-6
22305
29
4204
64
1078
99
349
-5
21157
30
4028
65
1041
100
339
-4
20075
31
3860
66
1005
101
330
-3
19054
32
3701
67
971
102
320
-2
18091
33
3549
68
938
103
311
-1
17183
34
3403
69
906
104
302
0
16325
35
3265
70
876
105
294
1
15515
36
3133
71
846
106
285
2
14750
37
3007
72
818
107
277
3
14027
38
2887
73
791
108
270
4
13344
39
2772
74
765
109
262
5
12697
40
2662
75
740
110
255
6
12086
41
2558
76
716
111
248
7
11508
42
2458
77
693
112
241
8
10961
43
2362
78
670
113
235
9
10442
44
2271
79
670
114
228
10
9952
45
2183
80
628
115
222
11
9487
46
2100
81
608
116
216
12
9046
47
2020
82
589
117
211
13
8629
48
1944
83
570
118
205
Connect external floating contact to input B5. The speed
is ramped up as set in parameter LM060. The speed is not
ramped down again (control operation) until the contact
switches off. This works in all operating modes (On/Off switch
function).
CO
2
control
An external contact can be used to switch the system off or
simply issue a fault; see parameter LM180.
The fan speed is adjusted according to the CO
2
content of the
room air.
Relevant parameters: LM015, LM016, LM160, LM161, LM162
This function is only supported in conjunction with a CO
2
sensor.