Danfoss 087H3803 User Manual

5.7Boiler
ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.
xstandsforcircuit/parametergroup.
MENU>Settings>Boiler
StopatTout
1x038
A275applications:
Iftheoutdoortemperatureishigherthanthesetvalue,theburnerwillnot
becut-in.
A375applications:
Iftheoutdoortemperatureishigherthanthesetvalue,thelastburnerstep
willnotbecut-in.
SeeAppendix“ParameterIDoverview”
–49...49:
Setthevalueforblockingthelastburnerstep.
OFF:
The'StopatTout'functionisnotactive.
The‘StopatTout’canbeusedinconnectionwithalternativeheat
supplysourcessuchasheatpumpsandsolarsystems.
MENU>Settings>Boiler
Difference
1x046
TheburnerisswitchedONandOFFtomaintainthedesiredboiler
temperature.Setthedifferencebetweenthecut-inandcut-outtemperature.
SeeAppendix“ParameterIDoverview”
OFF:
(OnlyinA275applications):
Theboilertemperaturedifferenceisset
automaticallyaccordingtothemomentaryloadof
theboilerandthetemperatureconditionsinthe
heatingsystem.
1...50K:
Theboilertemperaturedifferenceissettoa
fixedvalueaccordingtotheboilermanufacturer
specification.
Temp.
Actualboiler/flow
temp.
Difference
Desiredboiler/flow
temp.
Time
Theboilertemperaturedifferenceissymmetricalaroundthedesired
boilertemperature,i.e.halfthevalueisaboveandhalfthevalueis
belowthistemperature.
VI.GU.L2.02
©Danfoss|2017.09|127
OperatingGuideECLComfort210/296/310,applicationA275/A375

Danfoss 087H3803 Specifications

General

Brand	Danfoss
Model	087H3803
Category	Controller
Language	English