Settings
6 720 645 504 (2011/04) en
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16.7 Additional heat
The additional heat works together with the heat pump
to maintain the right heating in the circuits. The
additional heat can be selected to work alone.
Under Additional heat, there are:
• Additional heat general
• Mixed additional heat
• Hot water electric heater (must be present if hot
water production is added)
Additional heat general
> Start delay
B Set what start delay should apply to the additional
heat.
When the need for additional heat arises, a timer with
set time is started. When this time has passed the
additional heat starts.
> Allow additional heat timer during energy supply cut-
off
B Set the desired value.
In Economy, the additional heat timer is not allowed
to count down before the energy supply stop is
discontinued. In Comfort, the additional heat timer is
allowed to start. This applies to type 1 energy supply
cut-off and allows a quicker start of the additional
heat after an energy supply cut-off, if there is a
demand.
> Additional heat only
B Change to Yes if the additional heat should work
alone.
This can be suitable if the heat pump should provide
heat before, e.g., the collector circuit is ready.
> Block additional heat
B Indicate if the additional heat should be blocked. In
this case, the additional heat may not take part. The
additional heat is, however, allowed to kick in in alarm
mode and additional heat only mode if no other
blocking function is enabled, e.g., type 1 energy
supply cut-off.
B Select Yes at operating modes without additional
heat ( Chapter 6.4).
> Maximum outdoor temperature for additional heat
B Set the desired temperature limit. If the outdoor
temperature exceeds this value, the additional heat
may not work.
> Additional heat set point value E11.T1 offset
B Set the desired change.
The additional heat's set point value for T1 becomes
T1's normal set point value - the set value. As a result
of the reduction, the compressor is not turned off
unnecessarily when the additional heat is in
operation.
Factory setting 60 min
Lowest value 0 min
Highest value 240 min
Tab. 153 Start delay
Factory setting Economy
Alternative Economy/Comfort
Tab. 154 Allow additional heat timer during energy supply
cut-off
Factory setting No
Alternative Yes/No
Tab. 155 Additional heat only
Factory setting No
Alternative Yes/No
Tab. 156Block additional heat
Factory setting 10 °C
Lowest value -30 °C
Highest value 40 °C
Tab. 157 Maximum outdoor temperature for additional
heat
Factory setting 1.0K
Lowest value 0.0K
Highest value 10.0K
Tab. 158 Additional heat set point value offset
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