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Building Technologies Basic documentation LMV37.4... CC1P7546en
HVAC Products 16 Connection to superposed systems 01.12.2009
No. Parameter
141
Operating mode building automation
0 = off
1 = Modbus
2 = reserved
142
Setback time in the event of communication breakdown
Setting values
0 = deactivated
1…7200 s
148
Performance standard at interruption of communication with building automa-
tion
Setting values
For
modulation operation the setting range is as follows:
0…19.9 = burner off
20…100 = 20…100% burner rating
For multistage operation apply to setting range:
0 = burner OFF, P1, P2, P3
Invalid = no performance standards of the building automation
Default setting:
Invalid
The factory settings of the parameters are shown on the parameter list.
&
Note
For a detailed description of parameter 148, refer to section «Predefined output via
BAC system».
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