Danfoss ECL Comfort C25 Manuale utente
C25
C25
VI.7C.I4.02
2005.09
VI.7C.I4.02
2005.09
www.danfoss.com
User's Guide
Installer's Guide
www.danfoss.com
ECL Comfort
Installer's Guide
ECL Comfort
User's Guide
*087R8006*
*VI7CI402*
*087R8006*
*VI7CI402*
Burner control with ON/OFF DHW control
The shown diagram is a fundamental and simplified example and
does not contain all components that are necessary in a system.
If the system you are about to install differs from the shown
diagram of a standard heating system, feel free to sketch an outline
for comparison. Adaptation of systems, see section 10.
List of components:
ECL Comfort 300
S1 Outdoor temperature sensor
S2 Room temperature sensor
S4 Return temperature sensor
S5 Boiler temperature sensor
S6 DHW temperature sensor
P1 Circulation pump, boiler
P2 Circulation pump, DHW
P3 Burner
Circuit
indicator
Circuit
selector
Shift
button
Adjust-
ment
Controller
mode
Controller mode
Manual operation (used only at maintenance
and service)
Scheduled operation
Constant comfort temperature
Constant setback temperature
Standby mode
Arrow buttons. Switch between the lines of the ECL
Card.
Shift button. Switches between temperatures,
changeover points etc.
Adjust temperatures and values etc.
Circuit selector for switching between the circuits.
Safety Note
To avoid injury of persons and damages to the device, it is
absolutely necessary to read and observe these instructions
carefully.
Necessary assembly, start-up, and maintenance work must be
performed by qualified and authorized personnel only.
This guide is associated with ECL Card 087B4770
Installer:
By:
Date:
Table of Contents
Sections in the Installer’s Guide
The documentation for the ECL Comfort controller is
composed of numbered sections. Only sections relevant to
your ECL Comfort controller are included here.
Before you start
Installation
10 Identifying the system type
11 Mounting the ECL Comfort controller
12 Electrical connections 230 V a.c.
13 Electrical connections 24 V a.c.
14 Connecting and placing the temperature sensors
15 Inserting the ECL Card
Basic Set-up
16 Adjusting the ECL Card settings
17 Setting the time and date - line A
18 Monitoring temperatures and system units - line B
19 Manual control - line B
20 Setting the heat curve - line C
21 Heating cut-out - line 1
22 Flow temperature limits - line 2
23 Room temperature influence - line 3
24 Boiler control - line 4
27 DHW control - lines 1-2
Control & Overviews
29 Check list
30 ECL Card settings
31 Service parameters
Extended Service
32 Adjusting the service parameters
Miscellaneous
34 Copying with the ECL Card
User's Guide (turn the guide over for sections 1-7)
1 Choose your favorite display
2 Select circuit mode
3 Set your room and DHW temperature
4 Set your personal schedule
5 Advantages of the ECL Card
6 Hot points
7 Definitions
VI.7C.I4.02
Card C25
2005.09
Sketch your application
The ECL Comfort controller series is designed for a wide
range of heating, hot-water and cooling systems with
different configurations and capacities.
If your system differs from the diagrams shown in section
10, you may want to make a sketch of the system about to
be installed. This makes it easier to use the Installer’s Guide,
which will guide you step-by-step from installation to final
adjustments before the end-user takes over.
The controller is pre-programmed with factory settings that are
shown in the relevant sections of this guide.
However, you might come across some settings that are not listed
in this instruction. These settings could be related either to recent
updates or the use of optional modules (which are described in
the instructions in question).
How to use this guide
This guide is divided into two parts:
• User’s Guide: Yellow sections 1-7
• Installer's Guide: Grey sections 10 and onwards
The application C25 is very flexible. These are the basic
principles:
Heating:
Typically, the flow temperature is always adjusted according to
your requirements.
The flow temperature sensor (S5) is the most important sensor.
The desired flow temperature at S5 is calculated in the ECL
controller based on the outdoor temperature (S1). The lower the
outdoor temperature, the higher the desired flow temperature.
The boiler is switched ON when the flow temperature is lower
than the desired flow temperature and vice versa. A switching
difference determines the action.
The return temperature (S4) to the boiler should not be too low.
If so, the desired flow temperature can be adjusted, typically to a
higher value.
If the measured room temperature does not equal the desired
room temperature, the desired flow temperature can be adjusted.
DHW:
If the measured DHW temperature is lower than the desired DHW
temperature, the desired flow temperature at S5 is increased in
order to heat the DHW. DHW heating has priority, i.e. pump P2 is
ON and pump P1 is OFF (or changeover valve is activated and P1
is still ON).
Before you start
Installation
Identifying the system type
10a
The ECL Comfort controller is a universal controller that can
be used for various systems. Based on the shown standard
systems, it is possible to configure additional systems.
In this section you find the most frequently used systems. If
your system is not quite as shown below, find the diagram
which has the best resemblance with your system and make
your own combinations.
The functions can only be realized with ECL Comfort 300 and as of
controller version 1.04.
10.1 Heating system with constant temperature
control of the DHW circuit
System settings
Circuit Line Description Recomm.
setting
I 51 DHW charging pump /
changeover valve OFF
System diagrams in this instruction are principal drawings and do
not contain all components which are necessary in your systems.
Installation
10b
10.2 Heating system with constant temperature
control of the DHW circuit (DHW priority)
System settings
Circuit Line Description Recomm.
setting
I 51 DHW charging pump /
changeover valve ON
10.3 Weather compensated control of the
heating system
Installation
For easy access, you should mount the ECL Comfort
controller near the system. Select one of the three
following methods:
• Mounting on a wall
• Mounting on a DIN rail
• Mounting in a panel
Screws and rawlplugs are not supplied.
Mounting on a wall
Socket for mounting on wall: Order code No. 087B1149.
Mount the terminal box on a wall with a smooth surface.
Establish the electrical connections and position the
controller in the box. Secure the controller with the fixing
screw.
Mounting on a DIN rail
Mounting kit: Order code No. 087B1145.
A mounting kit is necessary to mount the box with the
controller on a DIN rail.
Mounting in a panel
Connector set: Order code No. 087B1148.
The panel plate thickness must not exceed 3 mm.
Prepare a cut-out with the dimensions 93 x 139 mm. Pull off
the right side of the lid by means of a screwdriver.
Insert the controller into the panel cut-out and fix it with the
two locks which are placed diagonally in two corners of the
controller.
Mounting the ECL Comfort
controller
11a
Installation
11b
Installation
230 V a.c. connections
Establish these jumpers:
1-10-12-14
and jumper 2 to common N-terminal
Terminal Description Max. load
1 L Supply voltage 230 V a.c.
2 N Supply voltage 230 V a.c.
9 P1 Circulation pump for boiler 4 (2) A / 230 V a.c.
10 230 V a.c. supply for P1
11 P2 Circulation pump /diverting
valve for DHW 4 (2) A / 230 V a.c.
12 230 V a.c. supply for P2
13 P3 Burner 4 (2) A / 230 V a.c.
14 230 V a.c. supply for P3
Wire cross section: 0.75 - 1.5 mm2
Electrical connections
Max. 2 x 1.5 mm2 wires can be inserted into each screw terminal.
Electrical connections -
230 V a.c. - in general
12
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