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DWU1: High return valve switch signal: Use
•
this menu option to switch the switch signal
for the valve to return temperature raising
(DWU1):
– Not reversed: The switch signal remains
unchanged.
– Reversed: The switch signal for opening
and closing is exchanged (e.g. in case of
incorrect mounting of the DWU1).
For menu structure and adjustment ranges
page 61.
Menu settings INSTALLER SETTINGS (for installers only) | 75
8.5.5 Parameters for the second collector field
Menu: Solar sys parameters > A collector field 2
Use this menu if you want to change the
parameters for the second collector field
(option A).
PA: ON delta T: Use this menu option to set
•
the start temperature differential for the solar
pump on the second collector field (PA).
If the difference between the collector
temperature (TA) and the solar tank
temperature (T
solar pump (PA) is switched on.
PA: OFF delta T: Use this menu option to set
•
the stop temperature differential for the solar
pump on the second collector field (PA).
If the difference between the collector
temperature (TA) and the solar tank
temperature (T
the solar pump (PA) is switched off.
PA: Collector field 2 pump mode: Use this
•
menu option to set the operating mode for the
solar pump on the second collector field (PA).
– Auto: Automatically controlled operation
– Manual ON: Switches the pump
– Manual OFF: Switches the pump
For menu structure and adjustment ranges
page 61.
) exceeds the set figure, the
2
) drops below the set figure,
2
according to the set parameters.
permanently on (e.g. for bleeding the solar
system when commissioning).
permanently off (e.g. for servicing work on
the solar system without having to
interrupt heating operation).
6 720 643 256 (2010/05)
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