Danfoss ECL Comfort 300 - C55 Operating instructions
- Type
- Operating instructions
ECL COMFORT
ECL Comfort
User’s Guide
C55
Table of Contents
Daily use
Section
1 Choose favourite display
2 Select controller mode
3 Adjust room and hot water temperature
4 Set personal day plan
5 Advantages of the ECL Card
6 Hot points
7 Definitions
Your personal week plan:
Heating I
03691215182124
1 Monday
2 Tuesday
3 Wednesday
4 Thursday
5 Friday
6 Saturday
7 Sunday
Heating II
03691215182124
1 Monday
2 Tuesday
3 Wednesday
4 Thursday
5 Friday
6 Saturday
7 Sunday
The factory setting is indicated in grey.
823-
6-8 16 - 22
This guide is associated to ECL Card 087B4783
Installer:
By:
Date:
ECL COMFORT
ECL Comfort
Installation and
Maintenance
Boiler controller with mixing circuit
and hot water control
823-
C55
The documentation for the ECL Comfort controller is
composed of numbered sections. Only sections that are
relevant to your ECL Comfort controller are included here.
Installation and maintenance. Grey sections 10 and
onwards. Turn the guide over.
Table of Contents
Sections of the Installer’s part of this guide
The documentation for the ECL Comfort controller is
composed of numbered sections. Only sections that are
relevant to your ECL Comfort controller are included here.
Before you start
Installation
10 Identifying the system type
11 Mounting the controller
12 Electrical connections 230 V a.c.
14 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
26 Setting the PI-regulation - Line 4 - 7
27 Hot water controller - Line 6 and 7
Control & overviews
29 Check list
30 ECL Card settings
31 Service parameters
Extended Service
32 Adjusting the service parameters 10 - 199
Miscellaneous
34 Copying with the ECL Card
Daily use, turn the guide over sections 01 - 07
1 Choose favourite display
2 Select controller mode
3 Adjust room and hot water temperature
4 Set personal day plan
5 Advantages of the ECL Card
6 Hot points
7 Definitions
VI.7C.J3.02
6-8
16 - 22
The shown diagram is a fundamental and simplified
example and does not contain all components that are
necessary in heating systems.
If the system you are about to install is different than the
shown diagram of a standard heating system, feel free to
sketch an outline for comparison. Adaptation of heating
systems, See section 10.
List of components:
ECL Comfort 300
S1 Outdoor temperature sensor (ESM-10)
S2 Room temperature sensor (ESM-10)
S3 Flow temperature sensor (ESM-)
S4 Return temperature sensor (ESM-)
S5 Boiler sensor (ESM-)
S6 Hot water sensor
P1 Circulation pump for boiler
P2 Cirkulation pump for heating
P3 Charging pump for hot water
P4 Burner
M2 Mixing valve with motor
Installation & maintenance
The ECL Card, grey side
for installation and maintenance.
Lines A to C, and lines 1 to
7 for basic settings, see overview
section 30.
Extended service parameters,
see section 31
The ECL Card: Installer’s
instruction
The grey side of the card must face
you when change the settings. For
daily use and during start-up the
yellow side of the card must face you.
Circuit
selector
Shift
button
Adjustment Controller
mode
The circuit indicator shows the selected heating circuit.
The ECL Card
For daily use and your personal adjustments the yellow side
of the ECL Card must be facing you.
The display
Each line, A, B, C, 1, 2 etc. of the ECL Card has its own
display. See section 1.
Controller mode
Manual operation (Used only at
maintenance and service)
Automatic operation
Constant comfort temperature
Constant reduced 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
boiler circuit, heating circuit and hot
water circuit.
Room temperature
circuit I/
Room temperatur
circuit II/
Hot water tempera-
ture circuit III
Heating system
Today’s programme
Day plans
A
B
C
1
2
3
4
5
6
7
Heating - circuit II
Boiler - circuit I
Line indicator
Circuit
8
0 3 6 9 12 15 18 21
0
7
0
1
3
3
2
2
1
6
6
4
4
6
0369121
0
5
0
3-
0
A
2
91
5 036
B
1
2
ONON
2
ON
3
ON
8
0 3 6 9 12 15 18 21 24
1
913
5
-
C
3
3-
0
A
2
91
5 034
B
1
2
ONON
2
ON
3
ON
8
0 3 6 9 12 15 18 21 24
1
913
5
-
C
3
Controller mode
Manual operation (used only at
maintenance and service)
Automatic operation
Constant comfort temperature
Constant reduced 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
boiler circuit, heating circuit and hot
water circuit.
8
A
4
05
Hot water - circuit III
B
1
2
ONON
2
ON
3
ON
8
0 3 6 9 12 15 18 21 24
1
05
5
C
3
Circuit indicator
8
0 3 6 9 12 15 18 21
0
7
0
12
0369121
5
0
5
0
How to use this guide
This guide is divided into two parts:
• Daily Use (Turn the guide over)
Yellow sections 01 - 09
• Installation and maintenance:
Grey sections 10 and onwards
Save energy - save money - improve your comfort
temperature
The ECL Comfort controller is designed by Danfoss for
temperature control of heating systems.
The ECL Comfort controller ensures you of the following;
• Room and hot water temperatures will be adjusted to
your personal settings.
• Lower temperatures and lower energy consumption
reduce costs and ensure optimum use of energy
resources.
• The automatic pump motion and valve motion program
protects against blocking.
Sketch an outline of your heating system
The ECL Comfort controller is designed for a wide range of
heating systems with different configurations and
capacities.
If your heating system differs from the diagrams shown in
section 10, you may want to sketch an outline 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.
Note! The controller is pre-programmed with factory
settings which are shown in the relevant sections of this
guide.
Before you start
VI.7C.J3.02
Installation
Identifying the system type
10
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 to your system and make
your own combinations.
Installation
Alternatives using the same settings:
3- or 4-way control valve
Alternatives which require different settings:
Charging pump or diverting valve in charging circuit
Heating system type 1
Line 51 Diverting valve/charging pump
Setting
OFF
Heating system type 2
Note!
The system diagrams in this instruction are principal drawings
and do not contain all components which are necessary in
heating systems.
Line 51 Diverting valve/charging pump
Setting
ON
Heating system type 3
Installation
Installation
Mounting the ECL Comfort
controller
11
For easy access, you should mount the ECL Comfort
controller near the heating unit. 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 92 x 138 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.
Connecting the sensors
Installation
Establish the jumper from 16 to common terminal
15 and 16 System device bus
17 and 16 Outdoor sensor (S1) ESM-10
18 and 16 Room sensor (S2)
circuit I ESM-10
19 and 16 Flow sensor (S3)
circuit II ESMU/ESM-11/ESMC
20 and 16 Return sensor (S4) ESMU/ESM-11/ESMC
21 and 16 Boiler sensor (S5)
circuit I ESMU/ESMB/ESM-11
22 and 16 Hot water sensor
(S6) ESMU/ESMB
Terminal Description Type (recommended)
Cable cross section for sensor connections: Min. 0.4 mm
2
Total cable length: Max. 50 m (sensors and bus).
NOTE! Cable lengths above 100 m may cause noise sensibility
(EMC).
Connecting the 230 V a.c. units
12
Electrical connections -
230 V a.c.
Installation
Establish these jumpers:
Jumper from 1 to 8
Jumper from 8 to 10
Jumper from 10 to 12
Jumper from 12 to 14
Jumper from 14 to 28 or from 1 to 5
Jumper from 2 to common N-terminal
Cable cross section for voltage conductor: 0.75 - 1.5 mm
2
Cable length: Max. 50 m.
Electrical connections
Max. 2 x 1.5 mm
2
cables can be inserted in each screw
terminal.
1 L Voltage supply 230 V a.c.
2 N Voltage supply 230 V a.c.
6 M2 Gear motor - open 0.2 A 230 V a.c.
7 M2 Gear motor - close
alt.: ABV thermo actuator 0.2 A 230 V a.c.
8 M2 230 V a.c. supply for
M2/cir. II
9 P1 Circulation pump for 4(2)A 230 V a.c.
boiler circuit I
10 230 V a.c. supply for
pump relay R1
11 P2 Circulation pump for
heating circuit II 4(2)A 230 V a.c.
12 230 V a.c. supply for
pump relay R2
13 P4 Burner 4(2)A 230 V a.c.
14 230 V a.c. supply for
burner relay R3
28 230 V a.c. for auxiliary
relay R5
29 P3 Charging pump/diverting
valve - hot water circuit 4(2A) 230 V a.c.
Alt. 4 P3 0.2A 230 V a.c.
Terminal Description Max. load
Installation
14
Placing the temperature
sensors
It is important that the sensors are mounted in the correct
position in your heating system.
Special attention should be paid to the following sensors:
Return temperature sensor
(ESMU, ESM-11 or ESMC types)
The return sensor should always be placed max. 15 cm
from the mixing point. It should always be placed on a pipe
in which the water flow never stops.
Flow temperature sensor, mixing circuit
(ESMU, ESM-11 or ESMC types)
Place the sensor max. 15 cm from the mixing point.
Make sure that the surface of the pipe is clean at the area
where the sensor is mounted.
Do not move the sensor after it has been fastened in
order to avoid damage to the sensor element.
Room temperature sensor
(ESM-10, ECA 60 and 61 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.
Hot water temperature sensor
(ESMU or ESMB types)
Place the hot water sensor according to
the manufacturer’s specification.
Installation
Boiler sensor
(ESMU, ESM-11 or ESMC types)
Place the sensor according to the boiler manufacturer’s
specification.
Do not move the sensor after it has been fastened in
order to avoid damage to the sensor element.
Outdoor temperature sensor
(ESM-10 type)
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.
Installation
15
Inserting the ECL Card
How to insert your ECL Card the first 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 factory
settings and heating system type from the ECL Card. After
copying, the display will show the heating system type the
controller is set to control. After approx. 10 sec. the display
will change to display line C.
The controller is now ready to be set to control your
heating system.
CYp
0
O9C
0
C
110
5
1
5
Line
Circuit
Time
Outdoor
temperature
Desired room
temperature
Installation
Understanding the ECL Card
The ECL Card contains factory settings for a standard
heating system. If the actual heating system differs 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 time periods, 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 settings.
If the card is removed please note that:
• The controller settings are locked after approx. 10 min.
• The ECL Card must not be exposed to direct heat or
sunshine
If several controllers are installed in the heating system
you can write a title on the ECL Card with a permanent
ink pen.
Software version
for ECL Card
Software version
for controller
8
0 3 6 9 12 15 18 21
1
1
3
5
C
3
Basic set-up
17
Setting the time and date -
Line A
In case of a power failure which lasts longer than 12 hours,
the time and the date have to be set again.
All other settings are stored as programmed.
The grey side of the ECL Card.
Go to line A.
09
01
56019
5
A
3
Actual time
Month, day
Year
Use the shift button to switch between minutes,
hours, year, month and day
Set the correct time and date
Use the yellow side of the ECL Card to enter the day
plan settings.
See User’s Guide, section 4.
Basic set-up
16
Adjusting the ECL Card
settings
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. Insert the ECL
Card with the yellow side facing you.
CYp
0
O9C
When the copying is finished display line C will appear
8
0 3 6 9 12 15 18 21 24
1
913
5
C
3
You can make other changes in the day plan, set time and
date or change settings
(see User’s Guide).
General principles
When the controller is connected and operating you
can check and adjust all or some of the basic settings
on the grey side of the ECL Card.
Use the arrow buttons to move from line to line
of the ECL Card, for example line 2:
Line
indicator
Settings to
be adjusted
Value in range
indicator
Circuit
2
0904
1
ONON
2
ON
3
ON
2
Use the minus/plus 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 possibilities.
The circuit selector shifts between circuit I and II.
You can adjust all settings and service
parameters individually in both circuits.
Go to line 9
Accept to copy as indicated. No other keys are
active.
19
Manual control - Line B
Basic set-up
Check the activation direction of the motorized valve either
by looking at it or by feeling whether the temperature of the
actual pipe changes as expected.
The grey side of the ECL Card.
Go to line B.
Shift to manual mode
Select the unit you want to control. The
selected unit symbol is flashing.
Valves close or open while the
relevant button is pressed.
Pump and burner are switched off or on
when the relevant button is pressed.
1
ONON
Monitoring temperatures and
system units - Line B
18
The activity of the motorized valve is shown as arrows
below the valve symbol. When the circulation pump or the
burner is operating, it is indicated as ON below the relevant
symbol.
If a sensor is not mounted or is disconnected, the display
will indicate it as “
- -”.
If the sensor is short-circuited, the display will indicate it as
“- - - “.
If you are in doubt, remove the controller and check the
ohmic value between the relevant terminals.
Go to line B.
Basic set-up
The grey side of the ECL Card.
0356
B
1
2
ONON
2
ON
3
ON
Controlled units
Return temperature
Flow
temperature
State indicator
Relationship between temperature and ohmic value
-10°C 961 Ohm
0°C 1000 Ohm
10°C 1039 Ohm
20°C 1078 Ohm
30°C 1117 Ohm
40°C 1156 Ohm
50°C 1195 Ohm
60°C 1234 Ohm
70°C 1273 Ohm
-50
800
900
1000
1100
1200
1300
1400
1500
1600
-25 0 25 50 75 100 125 150
Temperature
Ohm
Push the shift button to see:
- the calculated flow temperature
- the return temperature set points
0356
B
1
2
ONON
2
ON
3
ON
Controlled
units
Controller
mode
State
indicator
2
2
0356
B
1
2
ONON
2
ON
3
ON
This operation can be performed in both circuits.
Press the buttom to select circuit II.
Shift away from manual mode.
Note!
The boiler pump P1 must be ON when the burner is ON.
Basic set-up
8
C
1
1
2
ONON
2
ON
3
ON
0
Setting the heat curve - Line C
Go to line C.
The symbol for the slope of the heat curve
will flash.
Adjust the slope of the heat curve, if required.
20
Slope
Displacement
Basic set-up
8
C
1
1
2
ONON
2
ON
3
ON
0
The grey side of the ECL Card.
Circuit Setting range Factory setting
I/II 0.2 ... 3.4 1.8/0.6
Slope
-20 -10 0 10 20-30
10
20
30
40
50
60
70
80
90
1,8
1,2
0,6
0,2
2,2
C
C
If you want to adjust the parallel displacement
of the heat curve, push the shift button. The
symbol for the parallel displacement will flash.
Make your adjustments.
Circuit Setting range Factory setting
I/II -9... +9 0/0
Parallel displacement
Push button to select circuit II.
Push button to select circuit II.
Flow temperature limits -
Line 2
22
The left end of the range indicator flashes.
Adjust the min. limit to your heating system.
Select the max. limit. The right end of the range
indicator flashes.
Adjust the max. limit.
Go to line 2.
Basic set-up
Circuit Setting range Factory setting
I/II 10 ... 110 °C min. 40/10 °C max. 90/50 °C
2 Flow temperature min., max. limits
The grey side of the ECL Card.
2
0904
1
2
ONON
2
ON
3
ON
Max. flow
temperature
Min. flow
temperature
Temperature
range for flow
temperature
Heating cut-out - Line 1
21
Go to line 1.
Set the outdoor temperature limit at which you
want the heating system to stop.
8
1
1
1
2
ONON
2
ON
3
ON
Circuit Setting range Factory setting
I/II 10 ... 30 °C 18/18 °C
1 Limit for heating cut-out
The grey side of the ECL Card.
Basic set-up
This function can save energy by stopping the heating
system when the outdoor temperature gets above a set limit.
The heating system is activated again when the actual
outdoor and the accumulated temperatures get below the set
limit.
The accumulated T
out symbolises the heat stored in the
building.
18°C
Temp
Actual T
out
Accumulated T
out
Time
Heating Heating off Heating
Basic set-up
Room temperature
influence - Line 3
23
The grey side of the ECL Card.
Basic set-up
+
÷
The room sensor in the reference room registers
the difference between the desired and the ac-
tual room temperature. The flow temperature ref-
erence will be corrected to eliminate this differ-
ence.
B: Reference room control
Used if your heating system is not equipped with radiator
thermostats and you select the room with room sensor as a
temperature reference for the rest of the rooms.
(However, should you have a few radiator thermostats
installed, make sure that they are fully open).
Set a positive value for min. influence and a
negative value for max. influence.
+
÷
set
Influence
Min. limitation
Max. limitation
T
ROOM
This section is only relevant if you have installed a room
sensor. There are two basic principles for control of the
room temperature influence:
The max. influence determines how much the
room temperature should influence the flow
temperature.
A: Max. room temperature limitation
Use this limitation if your heating system is fully equipped
with radiator thermostats and you also want to obtain a
max. limitation of the room temperature. The controller will
allow for free heat gains, i.e. solar radiation or heat from a
fire place, etc.
Go to line 3.
Select the max. influence.
The bar below the range indicator flashes in the
right side of the display.
Adjust the max. influence.
T
ROOM
set
Influence
Max. limitation
Circuit Setting range Factory setting
I/II 0 ... 99/-99 ... 0 min. 0/0 max. -40/-40
3 Room temperature influence
Example
The actual room temperature is 2 degrees too high.
The influence at max. limitation (right corner of the display) is
set to
-40.
The influence at min. limitation (left corner of the display) is
set to 0.
Heat curve H is 1.8.
Result:
The flow temperature reference is changed by
2 x
-40 x 0.1 x H = -14.4 degrees.
Example
The actual room temperature is 2 degrees too low.
The influence at max. limitation (right corner of the display) is
set to
20.
The influence at min. limitation(left corner of the display) is set
to 20.
Heat curve H is 1.8.
Result:
The flow temperature reference is changed by
2 x 20 x 0.1 x H = 7.2 degrees.
The actual room temperature is 2 degrees too high.
The influence at max. limitation (right corner of the display) is
set to
-35.
The influence at min. limitation(left corner of the display) is set
to 20.
Heat curve H is 1.8.
Result:
The flow temperature reference is changed by
2 x (-35) x 0.1 x H = -12.6 degrees.
3
0-4
0
1
2
ONON
2
ON
3
ON
Min.
influence
Max.
influence
Go to line 4.
Boiler control - Line 4
24
The burner is switched on and off to maintain the
desired mean boiler temperature. Set the difference
between cut-in and cut-out temperature.
1 ... 50: The boiler temperature difference is set
manually to a fixed value according to the boiler
manufactorers specification.
OFF: The boiler temperature difference is set
automatically according to the momentary load
of the boiler and the temperature conditions in
the heating system.
Basic set-up
8
4
1
2
ONON
2
ON
3
ON
Circuit Setting range Factory setting
I OFF/1 ... 50 8 K
4 Boiler temperature difference
The grey side of the ECL Card.
0
4
8
1
2
ONON
2
ON
3
ON
Basic set-up
Setting the PI-regulation
Line 4 - 7
26
Basic set-up
The grey side of the ECL Card.
Go to line 4.
Setting to be adjusted
Line
indicator
Set the proportional band.
A higher value will result in a stable, but slow
regulation of the flow temperature.
Go to line 5.
Set a high integration time constant to obtain a
slow but stable reaction to deviations.
A small integration constant will make the
controller react fast but with less stability.
Go to line 6.
Set the running time of the motorized valve
according to the example on the opposite page.
This is the time it takes the valve to move from
closed to fully open position.
Go to line 7.
Set the neutral zone to a high value if you can
accept a high variation in flow temperature.
When the actual flow temperature is within the
neutral zone, the controller does not activate the
motorized valve.
Note! The value is symmetrically around the
flow reference value.
Circuit Setting range Factory setting
II 1 ... 250 K 80 K
4 Proportional band
Circuit Setting range Factory setting
II 5 ... 999 sec. 30 sec.
5 Integration time constant
6 Running time of the motorized valve
Circuit Setting range Factory setting
II 5 ... 250 sec. 35 sec.
7 Neutral zone
Circuit Setting range Factory setting
II 0 ... 9 K 3 K
If you want to tune the PI-regulation precisely, you can
use the following method:
• Set the integration time (line 5) to its max. value (999 sec.).
• Decrease the value for the proportional band (Line 4) until
the system starts hunting with a constant amplitude (it might
be necessary to force the system by setting an extreme
value).
• Find the critical time period on the temperature recording or
use a stop watch.
This time period will be characteristic for the system, and you
can evaluate the settings from this critical period.
Integration time = 0.85 x critical time period
Proportional band = 2.2 x proportional band value in the
critical time period.
If the regulation seems to be too slow, you can decrease the
proportional band value by 10 %.
Note! Make sure there is a consumption when you set the
parameters.
Time
Temp
Critical time period
How to calculate the running time of the motorized valve
The running time of the motorized valve is calculated using the
following methods:
Seated Valves
Running time = Valve stroke (mm) x actuator speed (sec/mm)
Example: 5.0 mm x 15 sec/mm = 75 sec.
Rotating Valves
Running time = Turning degrees x actuator speed (sec/degr.)
Example: 90 degrees x 2 = 180 sec.
VS2 15 3.0 AMV 100 90 270
VS2 15...25, VM2 15...25, AMV(E)
VB2 15...20 5.0 10, 20 15 75
VS2 15...25, VM2 15...25,
VB2 15...20 5.0 AMV(E) 30 3 15
VM2 32, VB2 25 7.0 AMV(E) 20 15 105
VM2 32, VB2 25 7.0 AMV(E) 30 3 21
Valve type Valve Actuator Actuator Running
stroke type speed time
(mm) (sec./mm) (sec.)
Basic set-up
Go to line 7.
Circuit Setting range Factory setting
I 1 ... 30 K 6 K
The difference between cut-in temperature and cut-out
temperature during hot water charging.
7 Hot water temperature difference
Set the hot water temperature difference.
6
7
1
2
ONON
2
ON
3
ON
Go to line 6.
The difference between the desired tank temperature and
the charging temperature.
Hot water controller
Line 6-7
27
Example:
Desired hot water temperature 50 °C
Charging temperature difference 15 K
Charging temperature
(50+15=) 65 °C
Set the difference. Set a high value if you want
the hot water system to reach the desired
temperature in a short period of time.
Select circuit I.
5
6
1
1
2
ONON
2
ON
3
ON
Circuit Setting range Factory setting
I 1 ... 30 K 15 K
6 Charging temperature difference
The grey side of the ECL Card.
Note! A too high charging temperature might cause
deposits in the heat exchanger.
Basic set-up
Charging temperature difference
Hot water difference
Charging temperature
Desired hot water temperature
Adapting the ECL Comfort controller to the heating
system
29
Check list
Turn the ECL Card so that the grey side faces
you.
Set the time and the date (Line A)
See section 17
Check all settings referring to the grey side of the
ECL Card
See sections 20 to 27
✓
Control & overviews
To ensure that you have the correct settings see section 10
for examples of different heating systems.
If your heating system differes from the diagram shown
on the overleaf of the cover, you should check and perhaps
alter the following service parameters.
Line
24 Gear motor/thermo motor (circuit II)
51 Diverting valve/charging pump (circuit I)
29
Check list
✓
Is the ECL Comfort controller ready for use?
Make sure that the power supply is connected to
terminals 1 (Live) and 2 (Neutral).
See section 12
Check that valves and pumps are connected to
the correct terminals.
See section 12
Check that all sensors are connected to the
correct terminals.
Mount the controller, and switch on the power.
Insert the ECL Card with the yellow side facing
you and push
, if necessary.
See section 15
Select manual operation in the controller mode.
See section 2
in the user’s guide.
Check that valves open and close, and that
burner and pumps start andstop when operated
manually.
See section 19
Check that the temperatures shown in display
A and B match the actual sensors, both for
circuit I and circuit II.
See section 1
in the user’s guide.
Control & overviews
ECL Card settings
(circuit II: Heating)
30
Control & overviews
Heat curve - Slope
0.2 ... 3.4 0.6
Set the slope of the heat curve,
see section 20.
Heat curve - Parallel displacement
-9 ... +9 0 K
Set the parallel displacement of the
heat curve, see section 20.
1
Limit for heating cut-out
10 ... 30 °C 18 °C
Saves energy by stopping the heating plant
when the outdoor temperature gets above a
certain limit, see section 21.
2
Flow temperature min.-/max. limits
10 ... 110 °C min. 10, max. 50 °C
The limits for min. - and max. flow
temperature, see section 22.
3
Room temperature influence
0 ... +99 / -99 ... 0 min. 0, max. -40
The room temperature’s influence on the
flow temperature control, see section 23.
4
Proportional band
1 ... 250 K 80 K
Set the PI-regulation, see section 26.
5
Integration time constant
5 ... 999 sec. 30 sec.
Set the PI-regulation, see section 26.
6
Running time of the motorized valve
5 ... 250 sec. 35 sec.
Set the PI-regulation, see section 26.
7
Neutral zone
0 ... 9 K 3 K
Set the PI-regulation, see section 26.
B System information
C Heat curve
Setting range Factory setting Your settings
See sections 16 & 17
See sections 18 & 19
See section 20
ECL Card settings
(circuit I: Boiler and hot water)
30
Heat curve - Slope
0.2 ... 3.4 1.8
Set the slope of the heat curve,
see section 20.
Heat curve - Parallel displacement
-9 ... +9 0 K
Set the parallel displacement of the
heat curve, see section 20.
1
Limit for heating cut-out
10 ... 30 °C 18 °C
Save energy by stopping the heating system
when the outdoor temperature gets above
a certain limit, see section 21.
2
Flow temperature min.-/max. limits
10 ... 110 °C min. 40, max. 90 °C
The limits for min. - and max. flow
temperature, see section 22.
3
Room temperature influence
0 ... +99 / -99 ... 0 min. 0, max. -40
The room temperature’s influence on the
flow temperature control, see section 23.
4
Boiler temperature difference
OFF/1 ... 50 8 K
Set the difference beteween cut-in and
cut-out temperature, see section 24.
5
6
Charging temperature
1 ... 30 K 15 K
The difference between tank and charging
temperature, see section 27.
7
Hot water temperature difference
1 ... 30 K 6 K
The difference between cut-in and cut-out
temperature, see section 27.
A Time and date
B System information
C Heat curve
See sections 16 & 17
See sections 18 & 19
See section 20
A Time and date
Control & overviews
Setting range Factory setting Your settings
Control & overviews
circuit
II
Service parameters
31
°C
%
min
°C
10 Choice of time control unit
0 ... 5 0
11 Reduced temperature dependent
on outdoor temperature
OFF/-29 ... +10 °C -15 °C
12 Boost
0 ... 99% 0%
13 Temperature reference ramping
0 ... 99 min 0 min
14 Optimising time constant
OFF/10 ... 59 OFF
15 Adaptive function - room
temperature
OFF/1 ... 30 OFF
20 Optimisation based on room/outdoor
temperature
ON/OFF OFF
21 Total stop
ON/OFF OFF
22 Pump motion
ON/OFF ON
23 Valve motion
ON/OFF OFF
24 Gear motor/thermo motor
ON/OFF ON
30 Return temperature limittation
10 ... 110°C 35°C
35 Return temperature influence-max
-9.9 ... 0 ... +9.9 °C 0
36 Return temperature influence-min
-9.9 ... 0 ... 9.9 °C -2
37 Adaptive function of return limitation
OFF/1 ... 50 25
174 Motor protection
OFF/10...59 min OFF
Circuit II (heating)
Line Setting range Factory setting Your setting
circuit
Service parameters
31
10 Choice of time control unit
0 ... 5 0
11 Reduced temperature dependent
on outdoor temperature
OFF/-29 ... +10°C -15 °C
12 Boost
0 ... 99% 0%
14 Optimising time constant
OFF/10 ... 59 OFF
15 Adaptive function of room
temperature
OFF/1 ... 30 OFF
17 Temperature reference feed back
OFF/1 ... 20 OFF
20 Optimisation based on room/outdoor
temperature
ON/OFF OFF
21 Total stop
ON/OFF OFF
22 Pump motion
ON/OFF ON
25 Pump stop at reduced temperature
ON/OFF OFF
27 Boiler protection
ON/OFF OFF
30 Return temperature limittation
10 ... 110°C 35°C
35 Return temperature influence-max
-9.9 ... 0 ... +9.9 °C 0
36 Return temperature influence-min
-9.9 ... 0 ... 9.9 °C 0
37 Adaptive function of return limitation
OFF/1 ... 50 25
40 Charging pump - post run
0 ... 9 min 0 min
42 Time control - hot water service
1 or 2 1
51 Diverting valve/
Hot water charging pump
ON/OFF OFF
52 Closed valve/PI-regulation when
HWS is master
ON/OFF ON
71 Min on-time of burner
0 ... 9 min 1
196 Service pin - LON
ON/OFF OFF
197 LON reset
ON/OFF ON
Circuit I (boiler and hot water)
Line Setting range Factory setting Your setting
°C
%
°C
min
min
Control & overviews
Circuit I (boiler and hot water)
Line Setting range Factory setting Your setting
198 Summer time change
ON/OFF ON
199 Slave address
0...9 15
-29 to +10 °C
The setting of reduced temperature depends
on the outdoor temperature, when the outdoor
temperature is higher than the set limit.
The lower the outdoor temperature the less the
temperature reduction. When the outdoor
temperature is below the set set limit, there is no
temperature reduction.
32
Service parameters 10-11
Extended service
OFF:
The reduced temperature setting will be
constant at all outdoor temperatures.
Dedicates the unit for the time control of the comfort and reduced
temperature periods
Circuit Setting range Factory setting
I/II 0 ... 5 0/0
10 Choice of time control unit
The limit of the outdoor temperature at which the reduced
temperature setting is switched off.
Circuit Setting range Factory setting
I/II OFF / -29 ... +10 °C -15/-15 °C
11 Reduced temperature dependent on outdoor
temperature
32
Adjusting the service
parameters
In addition to the settings in line 1 to 7 on the grey side
of the ECL Card, there is an extended service menu
from line 10 and onwards.
When you have entered all your personal settings, turn the
ECL Card over so that the yellow side faces you.
If you want to copy the new settings to the ECL Card
(recommended by Danfoss), see section 34 “Copying data
with the ECL Card”.
Make a note of your new settings on the parameter list in
section 31.
Push repeatedly to reach the lines
numbered 10 and onwards.
Line
number
Value
Range indicator
0
0
1
Now you can move to any line of your choice.
Set the parameter value.
You can select any of the two circuits no
matter what line you are in. You will not
necessarily enter the same line number.
See the service parameters in section 31.
The grey
side of the
ECL Card.
Extended service
ECL Comfort controller - day plan circuit I/II
Room panel ECA 60 or remote control
ECA 61 on address A
Room panel ECA 60 or remote control
ECA 61 on address B
Choose between
0
1
2
Note! The time control of the hot water circuit can be
dedicated to the day plan of circuit I or II (line 43).
100%
0%
-20 -10-29 0 10 2015
Reduction
Outdoor
Temp
o
C
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Danfoss ECL Comfort 300 - C55 Operating instructions
- Type
- Operating instructions
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