6 720 643 256 (2010/05)
Menu settings INSTALLER SETTINGS (for installers only)
|
75
US/CA
•
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
Æ
page 61.
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
2
) exceeds the set figure, the
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
2
) drops below the set figure,
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
according to the set parameters.
–
Manual ON
: Switches the pump
permanently on (e.g. for bleeding the solar
system when commissioning).
–
Manual OFF
: Switches the pump
permanently off (e.g. for servicing work on
the solar system without having to
interrupt heating operation).
For menu structure and adjustment ranges
Æ
page 61.
