Settings, Application A230.2; Flow Temperature - Danfoss ECL Comfort 210 Installation Manual

Installation Guide

6.0 Settings, application A230.2

6.1 Flow temperature

APPLICATION A230.2:
The desired flow temperature is set in 'Des. T comfort' and 'Des. T
saving'. Set values for comfort mode could for example be 7.5 °C
and for saving mode 25 °C.
Alternatively the desired flow temperature can be set by applying
an external signal. The choice is set in 'Ext. signal'.
Externally applied signal for desired flow temperature (appl.
A230.2):
An external signal can be connected (applied) to the ECL controller
in order to set the desired flow temperature remotely.
The signal is a 0 - 10 volt signal, applied directly to input S8. The
measured voltage on input S8 must be converted to a temperature
value by the controller.
The following settings set up the scaling and influence.
Ext. desired T
Circuit
1
The remotely set value for the desired flow temperature is indicated by the
unit °C.
Push the dial to see the graph and enter the value sets for the input
voltage (0 and 10 volt) and displayed desired flow temperature.
Desired flow temperature:
Fixed voltage settings:
Factory settings:
This means that the 'Ext. desired T' is 5.0 °C. at 1 V and 25.0 °C at
10 V.
Ext. signal
Circuit
1
OFF:
The desired flow temperature is set in the controller.
ON:
The desired flow temperature is applied as a 0 - 10 V
signal.
70 DEN-SMT/DK
ECL Comfort 210, application A230
Setting range Factory setting
Read-out only
- 9.0 ... 35.0 °C
1 V and 10 V
(1,5.0) and (10, 25.0)
11084
Setting range Factory setting
OFF / ON OFF
Example: Relationship between input voltage and displayed value for the
desired flow temperature
Desired flow temp. (°C)
25.0
5.0
1
This example shows that 1 volt corresponds to 5.0 °C and 10 volt correspond
to 25.0 °C.
A value for the desired flow temperature is only indicated when 'Ext.
signal' is set to ON. The indication ' -- ' means that 'Ext. signal' is set
to OFF.
See 'Ext. desired T'. The value is an externally set desired flow
temperature.
VI.LG.H1.02
Volt
10
Danfoss District Energy