Danfoss 087H3803 User Manual

MENU>Settings>Boiler
Sequencetype(A375applications)
1x072
Setthesequencetypefortheboilersystem.
SeeAppendix“ParameterIDoverview”
Code:
0
Boilersinsequencewithautomaticchangeoverofmain
boiler.
1
Boilersinsequencewith1fixedmainboilerand
automaticchangeoverofadditionalboilers.
2
Boilersinsequencewith2fixedmainboilersand
automaticchangeoverofadditionalboilers.
3
Boilersinfixedsequence.
4
2-stepboilersinsequencewithautomaticchangeover
ofmainboiler.
I
II
III
Thechangeovertakesplaceaftermidnight.However,thechangeover
tothenextmainboileriscarriedoutatanaturalcut-outofaboiler
(seeexample).
Thesymbol‘ŋ’inthesequencetypeexamplesindicatesthenumber
ofburnerstepsinthesystem.
A375.1:
B1—B4arecontrolledbytheECLComfortcontroller
B5—B8arecontrolledbyECA32
A375.2/A375.3:
B1—B2arecontrolledbytheECLComfortcontroller
B3—B6arecontrolledbyECA32
B7—B8arecontrolledbytheECLComfortcontroller
MENU>Settings>Boiler
Steps(A375applications)
1x073
Numberofburnerstepstobecontrolled.Seealso‘Sequencetype’ .
SeeAppendix“ParameterIDoverview”
1...8:
Setthenumberofburnersteps.
130|©Danfoss|2017.09
VI.GU.L2.02
OperatingGuideECLComfort210/296/310,applicationA275/A375

Danfoss 087H3803 Specifications

General

Brand	Danfoss
Model	087H3803
Category	Controller
Language	English