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76 | Menu settings INSTALLER SETTINGS (for installers only)
8.5.6 Parameters for the solar recharge
system
Menu: Solar sys parameters > B Reload sys
Use this menu if you want to change the
parameters for the solar recharge system.
PB: ON delta T: Use this menu option to set
•
the start temperature differential for the
reload pump in the drinking water area (PB).
If the difference between the measured
temperature in the solar tank (T
temperature measured on the tank B (TB)
exceeds the set value, the recharge pump in
the drinking water area (PB) is switched on.
PB: OFF delta T: Use this menu option to set
•
the start temperature difference for the
recharge pump in the drinking water area
(PB).
If the difference between the measured
temperature in the solar tank (T
temperature measured on tank B (TB) drops
below the set value, the recharge pump in the
drinking water area (PB) is switched off.
TB: Max. temperature tank B: For a detailed
•
description of TB: Max. temperature tank B
page 50.
PB: DHW reload pump mode: Use this menu
•
option to set the operating mode for the
recharge pump in the drinking water area
(PB).
– Auto: Automatically controlled operation
according to the set parameters.
– Manual ON: Switches the pump
permanently on (e.g. for function test
when commissioning).
– Manual OFF: Switches the pump
permanently off (e.g. for servicing work on
the pump without having to interrupt
heating operation).
For menu structure and adjustment ranges
page 61.
6 720 643 256 (2010/05)
8.5.7 Parameters for a high/low priority
Menu: Solar sys parameters > C High/low
priority
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) and the
2
) and the
2
Fig. 26
•
•
system
High/low priority system type: Use this menu
option to select the configuration for the
installed high/low priority system.
– Pump/Pump: Solar tank is charged by solar
pump (SP) and tank C by solar pump (PC).
– Pump/Valve: Solar tank and tank C are
charged by a solar pump (SP) and high/low
priority valve (DWUC).
WS
C
PC
WS
S
SP
TC: Max. temperature tank C: For a detailed
description of TC: Max. temperature tank C
page 50.
Priority tank: Use this menu to select the
priority tank.
– Solar tank: Solar tank should be charged
before tank C.
– Tank C: Solar tank C should be charged
before the solar tank.
US/CA
WS
DWUC
C
M
SP
WS
S
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