Electrical Connections
19
Other Connection Facilities (continued)
Compiled fault indication
only with Dekamatik-HK 1 for wall mounting
Data transfer and sensor faults are reported.
In conjunction with a Dekamatik boiler control unit, a compiled fault message is also
relayed to these via the Viessmann 2-wire BUS (accessory).
Wall mounting fixture
1.
Select the signal device (provided by
the customer).
Rated voltage: AC 120 V
~
Rated current: AC 4 (2) A
2.
Carry out the connection to terminals
“X3,” “X4.4” and “X4.5” in the wall
mounting fixture of the Dekamatik-HK 1
as shown in Fig. 19.
5167
137
Fig. 19
Connecting the compiled fault indication
Summary of Contents for Dekamatik-HK1
Page 23: ...Appendix 23 Notes 5167 137...
