Viessmann AC-Box - Contact Humidistat 24 V; Additional Frost Stat (Accessories)

18
Contact humidistat 24 V
–
Note
If several contact humidistats are used, the switching
contacts must be connected as N/C contacts and in
series.
2
3
4
5
6
7
8
9
X4.1
1
4
2
A
Fig.10
A
Contact humidistat (accessories) 24 V–, 10 mA
X4 Low voltage terminal strip on the AC-Box PCB
1. Connect the contact humidistat.
2.
Remove the jumper from plug
aBA
C: See page 15.
Additional frost stat (accessories)
151B
1
2
A
Fig.11
A
Frost stat
Contact breaking capacity 230 V~, 8 A
1. Connect the frost stat.
2.
Remove the jumper from plug
aBA
B: See page 15.
Installation sequence
Electrical connection (cont.)
5675 895 GB
Installation