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Benefit
Description
Setting
Effect
Important
Limitation
Description
Setting
Siemens Building Technologies
Landis & Staefa Division
4.41 Maximum limitation of flow temperature
setpoint HK1 (TVmax)
Prevents too high flow temperatures.
Minimum and maximum limitation define the range within which the flow temperature
setpoint may vary.
Setting range
TVmin...95
Tvmin
Minimum limitation of flow temperature setpoint (setting on line 105)
The setting will ensure that the flow temperature setpoint will not exceed a maximum
level.
Maximum limitation is not to be regarded as a safety function as required with
underfloor heating systems, for example.
TV
max
akt
min
0
10
20
30
TVw
Current flow temperature setpoint
105
Minimum limitation of the flow temperature setpoint
107
Maximum limitation of the flow temperature setpoint
If the flow temperature setpoint demanded by the heating circuit reaches the maximum
limit and the outside temperature falls, the flow temperature setpoint will be maintained
at that limit, in other words, it will not be allowed to exceed it.
4.42 Maximum limitation of flow temperature
setpoint (TVmax) HK2
Function and action of this setting are basically the same as with setting 107 described
above.
Setting range
TVmin...95
Basic Documentation RVA63.242, RVA53.242
Description of heating engineer settings
Unit
°C
TVw
40
50
60
70
Unit
°C
Factory setting
80
°C
80
90
100
Factory setting
80
103/218
CE1P2373E
26.03.2001
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