Settings
6 720 643 409 (2010/03)
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>> Operation alternative heat carrier pump G2
B Select if heat carrier pump G2 should run
continuously or start automatically when the
compressor starts.
In systems without bypass or without a buffer tank,
G2 must be in continuous operation.
The setting applies to G2 of all heat pumps. In
automatic operation, G2 starts for heat pump 2 when
compressor 2 starts.
> Heat carrier pump G2 speed
> Operation alternative collector circuit pump G3
B Select if collector circuit pump G3 should run
simultaneously with the compressor or continuously.
> Screed drying
The screed drying function is used to expel humidity
from the floor tiles in newly-built houses. The drying
program has the highest priority, i.e., all other functions
than security functions and additional heat only are
disabled. All circuits contribute to the drying.
Screed drying takes place in three phases:
• Heating phase
• Phase with maximum temperature
• Cooling phase
Heating and cooling are performed stepwise; each step
continues for at least a day. The phase with maximum
temperature is considered to be one step. There are 9
steps with the factory values: Heating phase in 4 steps
(25 °C, 30 °C, 35 °C, 40 °C), maximum temperature
(45 °C for four days), cooling phase in 4 steps (40 °C,
35 °C, 30 °C, 25 °C).
It is possible to cancel a running program. On
completion of the program, the heat pump returns to
normal operation.
>> Activate
B Select Yes if drying should be performed.
There is an opportunity to change the current program
step.
>> Remaining time for current step(displays if screed
drying is active)
>> Heat source
>> Program settings
>>> Flow temperature increase per heating step
>>> Number of days per heating step
>>> Maximum flow temperature
>>> Number of days with maximum temperature
Factory setting Automatic
Alternative Continuous/Automatic
Tab. 137G2
F value 40%
Lowest value 30%
Highest value 100%
Tab. 138Heat carrier pump G2 speed
Factory setting Automatic
Alternative Continuous/Automatic
Tab. 139G3
Screed drying requires the installation of
underfloor heating coils under the floor
tiles.
Factory setting No
Alternative Yes/No
Tab. 140Activate screed drying
Factory setting Additional heat
Alternative Both/Compressor/
Additional heat
Tab. 141Heat source drying
Factory setting 5.0K
Lowest value 1.0K
Highest value 10.0K
Tab. 142Temperature increase per heating step
Factory setting 1
Lowest value 1
Highest value 5
Tab. 143Days per heating step
Factory setting 45 °C
Lowest value 25 °C
Highest value 60 °C
Tab. 144Maximum flow temperature drying
Factory setting 4
Lowest value 0
Highest value 20
Tab. 145Days with maximum temperature
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