Ideal Heating EVOMAX 2 - Menu - Heating Circuit - Settings - Preheat; Menu - Heating Circuit - Settings - Heating Limit; Menu - Heating Circuit - Settings - Room Temp. Switch Diff; Menu - Heating Circuit - Settings - Pump

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3.7.11 Menu – Heating circuit – Settings
- Preheat
Thiscontrolsthepreheatcompensationfora
givenheatingcircuit,ifenabledthiswillbring
ondemandfromthatheatingcircuitpriorto
an increase in temperature set point. E.g.
fromnighttodaymode.Thetimeallowedfor
preheatislimitedbytheMaximumpreheat
time, this ensures that the heating circuit
demandcanonlystartwithinthattimevalue
and not start any earlier.
Preheat can be enabled for the selected
HC and the maximum allowable preheat
time set.
Preheat
Preheat switch
Maximum preheat time
Preheat
On/Off 
Preheat
On/Off 
Preheat
Preheat switch
Maximum preheat time
Preheat
120minutes
3.7.12 Menu – Heating circuit – Settings
– Heating limit
Thisensuresthattheheatingisnotswitched
on unnecessarily if the average outside
temperature, e.g. during the summer
months,ishigherthantheroomtemperature
setpoint in day mode.
Heating limit can be enabled for the
selected Heating Cirucit and the heating
limittemperaturesetpointdened.
Heating limit switch
On/Off 
Heating limit switch
On/Off 
Heating limit temperature
19ºC
3.7.13 Menu – Heating circuit – Settings
– Room temp. switch diff.
This sets the switching differential for the
Heating Ciruit room sensor. The value
ensures that the Heating Circuit does not
continuouslycycledemandintothesystem.
Room temp. switch diff.
1ºC
3.7.14 Menu – Heating circuit – Settings
– Pump
Thepumpforeachindividualheatingcircuit
has a number of settings. Some relate to
speedifconguredfor control by a 0-10V
output.
Pump
Overrun time
Overrun speed
Maximum speed
Overrun time
10secs
Overrun speed
70%
Maximum speed
100%
3.7.15 Menu - Heating Circuit -
Settings - Heating Curve
The heating curve parameters can be
adjustedtosuittheapplicaitonifrequired.
Heating curve
Slope
Parallel shift
Room inuence
Heating curve
Slope
Parallel shift
Room inuence
Heating curve
Parallel shift
Room inuence
Theslopeofthecurvehasadefaultsetting
of2.60canbeadjustedbetween0.25and
4.00, see the associated data sheet for
examplecurves.Thisslopecontributestothe
adjustmentsoftheowsetpointinrelation
totheoutsidetemperature
Thecurveparallelshifthasadefaultsetting
of0.0ºC,andthiscanbeadjustedbetween
-50.0ºCand50.0ºC.Thisoffsetadjuststhe
curvevertically.
The room influence factor has a default
settingof25%andcanbeadjustedbetween
0and100%.Theroominuenceproportions
theeffectbetweenoutsidetemperatureand
roomtemperatureontheowsetpoint.
Slope
2.6
Done
Slope
2.6
Done
Parallel shift
0.0ºC
Done
Parallel shift
0.0ºC
Done
Room inuence
25%
Done
Room inuence
25%
Done