Settings
6 720 645 504 (2011/04) en
81
Mixed additional heat
Mixed additional heat can be e.g. a oil heater or a gas
burner. Heat pump and additional heat are allowed to
work in parallell.
> Delay mixing valve control after additional heat start
B Set for how long the mixing valve should be inactive
after the additional heat has started.
This allows, e.g., the oil boiler time to get warm.
B Select 0 min at operating modes with electrical heater
( Chapter 6.4).
> Regulator settings
>> P constant
If Yes on Air handling unit in circuit for Circuit 1 and
output type Op/Cl:
B Change to 2.0.
>> I constant
>> D constant
>> Minimum PID signal
>> Maximum PID signal
>> Mixing valve running time
B Set the run time that is indicated on the mixing valve
and indicate value in number of minutes.
If Yes on Air handling unit in circuit for Circuit 1 and
output type Op/Cl:
B Set the double value compared to what is specified on
the mixing valve.
>> Connected to output type
B Select how the mixing valve is controlled. Op/Cl
means control via an Open/Close signal.
A mixing valve of the Op/Cl type is calibrated once
every 24 hours. The mixing valve closes fully during
one run time.
Exception is when Yes has been selected on Air
handling unit in circuit for Circuit 1 in order to ensure
the flow over the circuit.
B Select 0-10V at operating modes with 0-10V output-
controlled additional heat.
Factory setting 20min
Lowest value 0min
Highest value 120min
Tab. 159 Mixing valve control delay
Factory setting 4.0
Lowest value 0.1
Highest value 30.0
Tab. 160 P constant
Factory setting 300.0
Lowest value 5.0
Highest value 600.0
Tab. 161 I constant
Factory setting 0.0
Lowest value 0.0
Highest value 10.0
Tab. 162 D constant
Factory setting 0%
Lowest value 0%
Highest value 100%
Tab. 163 Minimum PID signal
Factory setting 100%
Lowest value 0%
Highest value 100%
Tab. 164 Maximum PID signal
Factory setting 300s / 05:00
Tab. 165 Mixing valve running time
If there is no time indication on the mixing
valve, run it manually ( Chapter 16.6.7)
and measure how long it takes to go from
fully closed to a fully open mixing valve (the
mixing valve stops sounding and the
endposition switch switches off).
Factory setting Op/Cl
Alternative Op/Cl / 0 - 10V
Tab. 166 Output type