Danfoss C17 Assembly instructions

C17
C17
VI.KT.O1.02 2008.07
VI.KT.O1.02 2008.07
www.danfoss.com
User's Guide 
Installer's Guide 
www.danfoss.com
ECL Comfort
Installer's Guide
ECL Comfort
User's Guide
*087R8414*
*VIKTO102*
*087R8414*
*VIKTO102*
Domestic hot-water (DHW) controller

The shown diagram is a fundamental and simplied example and
does not contain all components that are necessary in a system.
If the system you are about to install diers from the shown
diagram of a standard system, feel free to sketch an outline for
comparison. Adaptation of systems, see section 10.
Circuit
indicator
Circuit
selector
Shift
button
Adjust-
ment
Controller
mode
This guide is associated with ECL Card 087B4730
Installer:
By:
Date:
Controller mode
Manual operation (used only at maintenance
and service)
Scheduled operation
Constant comfort temperature
Constant saving 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
qualied and authorized personnel only.
Display indications, controlled units, C17
1
ON
1
A B C D
2
ON
3
ON
A: P1 Blank = OFF ON = ON
B: M1 = Opens = Closes
C: P2 Blank = OFF ON = ON
D: P3 Blank = OFF ON = ON
List of components:
ECL Comfort 300
S1 Supply temperature sensor
S2 DHW charging temperature sensor
S3 DHW temperature sensor
S4 Return temperature sensor
S5 Lower tank temperature sensor
S6 Upper tank temperature sensor
P1 Circulation pump, primary circuit
P2 DHW charging pump
P3 DHW circulation pump
M1 Motorized control valve

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.
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 Monitoring temperatures and system units - line B
26 Control parameters - lines 4-7
27 Cut-in and cut-out temperature at DHW charging
- 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)
1Choose your favorite display
2Select circuit mode
3Set your DHW charging temperature
4Set your personal schedule
5Advantages of the ECL Card
6Hot points
7Denitions

Disposal instruction:
This product should be dismantled and its
components sorted, if possible, in various
groups before recycling or disposal.
Always follow the local disposal regulations.

VI.KT.O1.02 Card C17 2008.07
Sketch your application
The ECL Comfort controller series is designed for a wide
range of heating, domestic hot-water (DHW) and cooling
systems with dierent congurations and capacities.
If your system diers 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 nal
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 C17 is very exible. These are the basic principles:
Typically, the tank temperature (S6) is adjusted according to your
requirements. The charging temperature sensor (S2) is the most
important sensor. The desired charging temperature at S2 is set in
the ECL controller (line C, yellow side).
If the measured DHW temperature (S6) is lower than the desired
charging temperature minus the cut-in dierence, charging
starts. The charging pump, P2, is switched ON.
When the measured DHW temperature (S5) is higher than the
desired charging temperature minus the cut-out dierence,
charging stops.
The motorized control valve (M1) is opened gradually when the
charging temperature is lower than the desired charging
temperature and vice versa.
Typically, the return temperature (S4) to the district heating
supply should be as low as possible. If not so, the desired
charging temperature can be adjusted.
The S1 temperature can correct the proportional band (Xp).
Typically, the Xp must be increased at a rising S1 temperature.
The S3 temperature gives a feedback to the DHW charging
temperature (S2). If the S3 temperature is too low, the desired
temperature at S2 will be increased.
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 congure additional systems.
In this section you nd the most frequently used systems. If
your system is not quite as shown below, nd 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 1.08.
10.1 Full installation, external DHW circulation
10.2 Full installation, internal DHW circulation
System diagrams in this instruction are principal drawings and do
not contain all components which are necessary in your systems.

Installation
10b
10.3 Minimum installation
10.4 Minimum installation, district heating
System diagrams in this instruction are principal drawings and do
not contain all components which are necessary in your systems.

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 xing
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 o
the right side of the lid by means of a screwdriver.
Insert the controller into the panel cut-out and x it with the
two locks which are placed diagonally in two corners of the
controller.
Mounting the ECL Comfort
controller
11a

Installation
11b

Installation
Electrical connections -
230 V a.c. - in general
12a
230 V a.c. connections
Optional

Installation
Terminal Description Max. load
1 L Supply voltage 230 V a.c.
2 N Supply voltage 230 V a.c.
3 M1 Actuator - open 0.2 A / 230 V a.c.
4 M1 Actuator - close
alt. thermo actuator 0.2 A / 230 V a.c.
5230 V a.c. supply voltage for
M1
6Not to be used.
Do not establish any
connections!
7
8
9 P1 Circulation pump, primary
circuit 4 (2) A / 230 V a.c.
10 230 V a.c. supply for pump
relay R1
11 P2 DHW charging pump 4 (2) A / 230 V a.c.
12 230 V a.c. supply for pump
relay R2
13 P3 DHW circulation pump 4 (2) A / 230 V a.c.
14 230 V a.c. supply for pump
relay R3
Option:
Relay module ECA 80 (contacts: max. load 4 (2) A / 230 V a.c.)
25 (R4) Alarm relay output
Wire cross section: 0.75 - 1.5 mm2
Electrical connections
Max. 2 x 1.5 mm2wires can be inserted into each screw terminal.
Incorrect connection can damage the TRIAC outputs. Max. load
(terminals 3, 4, (6 and 7)) 0.2 A / 230 V a.c.!
12b

Installation
Electrical connections -
24 V a.c. - in general
13a
24 V a.c. connections

Installation
13b
Terminal Description Max. load
1 L1 Supply voltage 24 V a.c.
2 L2 Supply voltage 24 V a.c.
3 M1 Actuator - open 1 A / 24 V a.c.
4 M1 Actuator - close
alt. thermo actuator 1 A / 24 V a.c.
5 24 V a.c. supply voltage for M1
6Not to be used.
Do not establish any
connections!
7
8
9 K1 Relay for circulation pump,
primary circuit 4 (2) A / 24 V a.c.
10 24 V a.c. supply for K1
11 K2 Relay for DHW charging pump 4 (2) A / 24 V a.c.
12 24 V a.c. supply for K2
13 K3 Relay for DHW circulation
pump 4 (2) A / 24 V a.c.
14 24 V a.c. supply for K3
Option:
Relay module ECA 80 (contacts: max. load 4 (2) A / 24 V a.c.)
25 (R4) Alarm relay output
Wire cross section: 0.75 - 1.5 mm2
Electrical connections
Max. 2 x 1.5 mm2wires can be inserted into each screw terminal.
Incorrect connection can damage the TRIAC outputs. Max. load
(terminals 3, 4, (6 and 7)) 1 A / 24 V a.c.!

Installation
Connecting the temperature sensors and the bus
Terminal Description Type (recomm.)
15 and 16 System device bus*
17 and 16 S1 Supply temperature sensor ESM-11 / ESMC /
ESMU
18 and 16 S2 DHW charging temperature
sensor
ESM-11 / ESMC /
ESMU
19 and 16 S3 DHW temperature sensor ESM-11 / ESMC /
ESMU
20 and 16 S4 Return temperature sensor ESM-11 / ESMC /
ESMU
21 and 16 S5 Lower tank temperature
sensor**
ESM-11 / ESMC /
ESMU
22 and 16 S6 Upper tank temperature
sensor**
ESM-11 / ESMC /
ESMU
* The system device bus is only active when the address 15 (line 199)
is chosen.
** If only one DHW temperature sensor is used, it must be connected to
terminal 22 as S6.
Establish the jumper from 16 to common terminal.
Wire cross section for sensor connections:
Min. 0.4 mm2
Total cable length: Max. 125 m (all sensors incl. system device
bus)
Cable lengths of more than 125 m may cause noise sensibility
(EMC).
Connecting and placing the
temperature sensors
14a

Installation
It is important that the sensors are mounted in the correct
position in your system.
The temperature sensor mentioned below are sensors used
for the ECL Comfort 200 and 300 series which not all will be
needed for your application!
Outdoor temperature sensor (ESMT)
The outdoor sensor should be mounted on that side of the
building where it is less likely to be exposed to direct
sunshine. It should not be placed close to doors, windows or
air outlets.
Flow temperature sensor (ESMU, ESM-11 or ESMC)
Place the sensor max. 15 cm from the mixing point. In
systems with heat exchanger, Danfoss recommends that the
ESMU-type to be inserted into the exchanger ow outlet.
Make sure that the surface of the pipe is clean and even
where the sensor is mounted.
Return temperature sensor (ESMU, ESM-11 or ESMC)
The return sensor should always be placed in / on a pipe with
return water ow.
Room temperature sensor (ESM-10, ECA 60 / 62 room
panel or ECA 61 / 63 remote control)
Place the room sensor in the room where the temperature is
to be controlled. Do not place it on outside walls or close to
radiators, windows or doors.
DHW temperature sensor (ESMU or ESMB-12)
Place the DHW temperature sensor according to the
manufacturer’s specication.
Boiler temperature sensor (ESMU, ESM-11 or ESMC)
Place the sensor according to the boiler manufacturer’s
specication.
Flow / air duct temperature sensor (ESM-11, ESMB-12,
ESMC or ESMU types)
Place the sensor so that it measures a representative
temperature.
Slab temperature sensor (ESMB-12)
Place the sensor in the slab.
Valid for ESM-11: Do not move the sensor after it has been
fastened in order to avoid damage to the sensor element.
14b

Installation
14c
Override
For an active override, you have to choose the mode
“scheduled operation”! Input S1 ... S6 (ECL Card C14 only uses
S5) can be used for override purposes (section 32, line 141).
Connection example without ECA 9010
If the override switch has goldplated contacts, you can
choose one of the following solutions or a combination of
both:
(C14 = 21 only) (C14 = 21 only)
Closed switch: Closed switch:
Comfort temperature Setback temperature
Open switch: Open switch:
Scheduled operation Scheduled operation
Connection example with ECA 9010
The ECA 9010 module is powered by the system device bus,
which means that the bus must be active. The bus is activated
by setting the controller address to 15 (line 199). To avoid
inuence from contact resistance, the use of ECA 9010 is
recommended.
Comfort Saving
Red
Brown Green S1 ... S6 (C14 = S5 only)

Installation
14c

Installation
How to insert your ECL Card the rst time
After the power has been switched on, open the lid on the
front side of the controller.
Place the ECL Card with the yellow side facing you. This
enables the controller to read the ECL Card data. The
controller immediately starts to copy the application type
and factory settings from the ECL Card. After copying, the
display will show you the application type. After approx. 10
sec. the display will change to display line C.
Display example:
Software
version, ECL
Card
Line
Circuit
Time
Outdoor
temp.
C
C 99
Y
0
P
C 73
05 109
8
0 3 6 9 12 15 18 21 24
1
023
5
C
3
Application type
Software version,
controller
Desired room temp.
The controller is now ready to be set to control your system.
If the display keeps showing CPY, see section 34b.
Inserting the ECL Card
15a

Installation
Understanding the ECL Card
The ECL Card contains factory settings for a standard
system. If the actual system diers from the standard
system, the controller must be adjusted accordingly. After
the adjustment, the new settings should be stored on the
ECL Card.
For ECL Card copying and daily use including adjustment
of temperatures and schedules, insert the ECL Card with
the yellow side facing you.
For system set-up adjustments, the grey side of the ECL
Card - the installer’s side - must be facing you.
As a main rule, the ECL Card should always remain in the
controller during service, maintenance and setting.
If the card is removed or left in the controller with the grey
side facing you, please note that:
• After approx. 25 min.:
- The controller cannot be operated.
- The controller reverts to display C (section 1).
• The ECL Card must not be exposed to direct heat or
sunshine.
If several controllers are installed in the system you can
write a title on the ECL Card with a permanent ink pen.
Do not remove the ECL Card while copying. The data on the
ECL Card can be damaged!
When you store your personal settings on your ECL Card, the
factory settings will be overridden.
15b

The grey
side of the
ECL Card
Basic set-up
General principles
When the controller is connected and operating you can
check and adjust all or some of the basic settings. Turn the
ECL Card so that the grey side is facing you (see the example
below).
Use the arrow buttons to move from line to line of
the ECL Card, for example line 2:
Circuit
Line
Setting
to be
adjusted
11
ON
2
ON
09
2
04
23
ON
Value in range indicator
Use the plus / minus buttons to adjust the
settings.
In some displays more than one setting or value
can be adjusted. Use the shift button to switch
between the options.
The circuit selector shifts between circuit I
and II. You can adjust all settings and service
parameters individually.
Update of the ECL Card after maintenance and service
All new settings can be stored on the ECL Card. For details
about copying, see section 34.
Adjusting the ECL Card
settings
16