Danfoss 087H3803 User Manual

MENU>Settings>Optimization
Optimizer(optimizingtimeconstant)
1x014
Optimizesthestartandstoptimesforthecomforttemperatureperiodto
obtainthebestcomfortatthelowestenergyconsumption.
Thelowertheoutdoortemperature,theearliertheheatingcut-in.Thelower
theoutdoortemperature,thelatertheheatingcut-out.
Theoptimizedheatingcut-outtimecanbeautomaticordisabled.The
calculatedstartandstoptimesarebasedonthesettingoftheoptimizing
timeconstant.
SeeAppendix“ParameterIDoverview”
Adjusttheoptimizingtimeconstant.
Thevalueconsistsofatwodigitnumber.Thetwodigitshavethe
followingmeaning(digit1=TableI,digit2=TableII).
OFF:
Nooptimization.Theheatingstartsandstopsatthe
timessetintheschedule.
10...59:
SeetablesIandII.
TableI:
LeftdigitHeataccumulationofthe
building
Systemtype
1-light
2-medium
3-heavy
Radiator
systems
4-medium
5-heavy
Floorheating
systems
TableII:
RightdigitDimensioningtemperatureCapacity
-0-50°Clarge
-1
-45°C


-5
-25°C
normal

-9
-5°C
small
Dimensioningtemperature:
Thelowestoutdoortemperature(usuallydeterminedbyyoursystem
designerinconnectionwiththedesignoftheheatingsystem)atwhich
theheatingsystemcanmaintainthedesignedroomtemperature.
Example
Thesystemtypeisradiator,andtheheataccumulationofthebuilding
ismedium.
Theleftdigitis2.
Thedimensioningtemperatureis-25°C,andthecapacityisnormal.
Therightdigitis5.
Result:
Thesettingistobechangedto25.
MENU>Settings>Optimization
Basedon(optimizationbasedonroom/outdoortemp.)
1x020
Theoptimizedstartandstoptimecanbebasedoneitherroomoroutdoor
temperature.
SeeAppendix“ParameterIDoverview”
OUT:
Optimizationbasedonoutdoortemperature.Usethis
settingiftheroomtemperatureisnotmeasured.
ROOM:
Optimizationbasedonroomtemperature,ifmeasured.
124|©Danfoss|2017.09
VI.GU.L2.02
OperatingGuideECLComfort210/296/310,applicationA275/A375

Danfoss 087H3803 Specifications

General

Brand	Danfoss
Model	087H3803
Category	Controller
Language	English