Siemens RVA47.320 - Range of Action of Central Changeover; Automatic Summer; Winter Changeover

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Siemens Building Technologies Basic Documentation RVA47.320 CE1P2379E
HVAC Products Description of the heating engineer settings 15.07.2002
4.55 Range of action of central changeover
• The range of action of the central changeover actions can be defined
Function for defining the range of action of central changeover.
1. Press the operating line selection buttons to select operating line 145.
2. Press the + / - buttons to select the required range of action of changeover.
Setting range Unit Factory setting
0 / 1 Increment 1
The range of action can be defined for the central changeover actions ”Changeover of
operating mode”, ”Summer / winter changeover” and ”Standby”. The range of action
can be defined by making the following settings:
0 Changeover takes place with all controllers in the same segment.
1 Changeover takes place with all controllers in the entire system (LPB).
The setting is of importance only if the controller is defined as the master and located in
segment 0 (address 0/1). With any other addressing, it has no effect.
4.56 Automatic summer / winter changeover
• Makes possible a uniform changeover of all heating circuits in the selected range of
action
Summer / winter changeover of the selected range of action takes place when the
changeover temperature set on operating line 16 is reached.
1. Press the operating line selection buttons to select operating line 146.
2. Press the + / - buttons to select the effect of automatic summer / winter changeover.
Setting range Unit Factory setting
0 / 1 Increment 0
The setting will change the effect of summer / winter changeover:
Entry:
0 Local effect
Automatic summer / winter changeover switches the local heating circuit on and
off.
1 Central effect
Either the heating circuits of the segment or those of the entire system are
switched on and off by automatic summer / winter changeover, depending on the
setting made on operating line ”Range of action of central changeover”.
Setting 1 (central effect) is active only if the controller has been defined as a master
controller (setting on line 140 = 1).
Benefit
Description
Setting
Effect
 Note
Benefit
Description
Setting
Effect
 Important