Danfoss 087H3803 User Manual

Externalsignalfordesiredflowtemperature
Avoltage(0-10V)canbeappliedtotheinputterminalS10in
ordertodeterminethedesiredflowtemperature.
ThemeasuredvoltageoninputS10mustbeconvertedtoa
temperaturevaluebythecontroller.Whenthevoltagegetshigher,
thedesiredflowtemperatureincreases.
Thefollowingsettingssetupthescaling.
MENU>Settings>Flow(boiler)temperature
Ext.desiredT—(ECLComfort310)
CircuitSettingrange
Factorysetting
1
Read-outonly
Theactualdesiredflowtemperatureisindicatedbytheunit°C.
Read-out:
--:
Externalvoltagesignalisnotconnected..
°C:
Externalvoltagesignalconvertedtodesiredflow
temperature.
Pushthedialtoseethegraphandenterthevaluesetsfortheinput
voltage(1and10volt)anddisplayeddesiredflowtemperature.
Desiredflowtemperature:
10...120°C
Fixedvoltagesettings:1Vand10V
Factorysettings:
(1,10)and(10,100)
Thismeansthatthe‘Desiredflowtemperature’is10°Cat1.0V
and100°Cat10V.
Typically,thehigherthevoltage,thehigherthedisplayeddesired
flowtemperature.
Example:Relationshipbetweeninputvoltageanddisplayeddesiredflow
temperature
Desiredflowtemp.(°C)
Volt
Thisexampleshowsthat1voltcorrespondsto10.0°Cand10volt
correspondto100°C.
Theexternalvoltagesignalmustbehigherthan1.0Vinorderto
activatetheoverride.
108|©Danfoss|2017.09
VI.GU.L2.02
OperatingGuideECLComfort210/296/310,applicationA275/A375

Danfoss 087H3803 Specifications

General

Brand	Danfoss
Model	087H3803
Category	Controller
Language	English