Danfoss ECL Comfort 210, ECL Comfort 296 Application guide

Get your job done swiftly Easy selection of your application is the key
The ECL Comfort series offers an optimum range of electronic controllers for temperature control in heating and domestic hot water systems. In this guide, you will find the full range of applications, intuitively described and illustrated for you to plan and design systems with confidence.
125+
applications
covered by ECL application keys.
www.ecl.danfoss.com
Electronic controllers from Danfoss:
Only a few products for an endless number of applications
Based on the success and benets of previous generations, the Danfoss ECL Comfort 210, 296 and 310 control­lers ensure comfort and convenience for heating, cooling and domestic hot water systems.
The components of ECL Comfort
The ECL Comfort range consists of ECL Comfort 110, 210, 296 and 310 – each in an elegant and timeless Scandina­vian design.
ECL Comfort 110 is the choice for ba-
sic heating systems, for which the in­staller or user prefer a traditional op­eration.
ECL Comfort 210 appeals to users
who prefer an increased number of options. The series oers many func­tional options and can be used for commercial installations. Two control circuits + thermostatic function, opti­mizer function, 3-point control of ac­tuators, Modbus communication for smaller SCADA systems etc.
ECL Comfort 296 covers the same as
ECL Comfort 210 and has in addition M-bus and Ethernet connections. Fur­thermore, ECL 296 has the popular size, 144 x 96 mm.
ECL Comfort 310 is the advanced con-
troller with a large number of func­tions, such as: Three control circuits + thermostatic function, optimizer function, 3-point control of actuators, Modbus/M-bus/Ethernet communica­tion etc.
The intelligent key concept for ECL Comfort 210 / 296 / 310 ensures opti­mum user-friendliness of these ad­vanced controllers.
The ECL Comfort range also comprises an elegantly designed remote control in two versions, which can access all parameters in the controller.
The future is in the keys
The ECL Comfort range and its ad­vanced software key not only meet
your present demands but also the fu­ture requirements you might have for heating control.
With ECL Comfort 210 / 296 / 310 new demands are covered by new keys with new settings. The few basic mod­els and the large variety of ECL keys give you a considerably better and quicker overview of the unique ap­plication opportunities oered by the ECL Comfort range. Menus are avail­able in multiple languages.
By means of the chosen key, it is easy to set the controller and change the factory settings precisely to the rel­evant type of system and required set­tings.
The schedule in the ECL Comfort can be programmed for each day in the week. The building will be heated in the comfort periods you request; also holidays can be scheduled on before­hand. This is environmentally sound and saves money.
Some features of ECL Comfort:
 Optimizer and boost function
 Return temperature limitation based
on outdoor temperature
 Frost protection
 Heating cut–out function
 Year clock and automatic change over
between summer and winter time
 Copy function to/from the intelligent
ECL key
 Anti-bacteria function (DHW circuit)
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2
 Communication via the standardized
RS485/TCP/IP, M-bus and Modbus op­tions
 Motor protection
 Automatic saving
 Menus in multiple languages
 Master/slave functions
 Log and alarm
 Holiday program
 Analog input/output
 Rell water function
 Two pump control
 Optimum control of heat
exchangers in cascade
 Buer tank temperature control for
heating systems
 0 - 10 Volt / PWM based speed control
of pumps
3
3
80
90
70
60
50
40
30
20
10
0
0 5
Flow rate (m
3
/h)
10 15
Time (min.)
20 25 30
Tap water temperature (°C)
The result of Auto Tuning
Sec. ow (m
3
/h)
Tap water (°C)
Automatic setup of DHW parameters
A precondition for a well functioning heating system is that the correct settings are made before it is put to use. Adjustments are necessary to preset the control parameters.
Presetting gives the following benets:
 A high degree of comfort  Improved protection against lime deposits in DHW heat exchangers  Energy saving  Long operating life  Minimum service
The introduction of automatic setting of control parameters on the controller itself, i.e. auto tuning and motor protection, gives optimum control of the DHW system. This ensures a high degree of comfort, stable control during idle opera­tion and, subsequently, longer motor life.
The setting of control parameters can thus be reduced to one easy and reliable procedure. Auto tuning is especially necessary in DHW systems.
4
How to do auto tuning with ECL Comfort?
 Open for the tap water to get a constant tapping load  Activate auto tuning by pushing a button  Wait 7-25 minutes to complete the tuning
Intelligent communication solutions
Our solutions are wide-ranging – in every respect. We cover almost every area of application. From busy cities and suburbs to idyllic villages – as well as from public or commercial build­ings to residential homes.
Intelligent solutions – intelligent communication
Danfoss communication solutions pro­vide the ultimate in control. We don’t just supply controllers, but unique software which facilitates remote monitoring and control of district heat­ing systems. Our oering ranges from standard software fully integratable with the existing plant and buildings, to complete systems with full support.
There are many good reasons to choose a solution which allows you to monitor, control – and therefore ser­vice – your system remotely, regardless of whether the system services build­ings in urban areas or rural communi­ties. Danfoss has – and will supply – an advantageous solution for you.
Your future communication platform
Remote monitoring and communica­tion is the future as of today. Our solu­tions cover traditional forms of district heating and alternatives, such as bio­mass plants. A Danfoss platform will provide better, and simplied control over a system, which not only opti­mizes the control processes, but also yields savings and protects the envi­ronment. In some networks you have large pumps and large controllers leading to substantial energy usage. Here it is important with an optimized district heating network. An electronic
controller will not only simplify plant management, it will also save energy.
Act proactive to service
Danfoss communication solutions en­able you to act pro-actively to provide better service. Thanks to ecient mon­itoring and alarm systems, they can isolate and remedy problems – even before the customer knows they exist. For example; if the ow temperature is incorrect, the system will automatically activate an alarm, to warn about exces­sive energy consumption.
For optimum control in any system
Your requirements have been combined with our know-how to extend and innovate our product range. Danfoss markets a comprehensive range of motor­ized control valves with features that give an optimum t with the ECL Comfort controller. Our control valves are available in multiple sizes, dierent materials and with a variety of connections. The range of motorized control valves meet the requirements in any of these applications:
Terminal and zone Heating and cooling District heating Steam
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ENERGY SAVING AND COMFORT IS A MATTER OF OPTIMUM ENERGY CONTROL
When you look at urban and rural ar­eas with varying housing densities, the selection of heat sources for each individual building will dier. Where available, district heating will most of­ten be a part of the solution. District heating benets the individual home­owner or tenant as well as the society at large. Where district heating is not available, individual solutions will be used – preferably in combination with renewable energy sources.
One of the solutions for achieving en­ergy savings in any building is the use
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of electronic controllers for weather compensation. By letting the ow in the heating system of the house re­ect outdoor temperatures, optimum operation and performance of the heating installation is obtained.
In a recently published COWI report, the advantages of weather compen­sation are sound and clear: In one family houses, the expected energy saving is on average 10% – and in some cases up to 40%.
What role does the ECL Comfort play?
The ECL Comfort is an electronic con­troller for weather compensation. By tting typical applications for district heating, cooling and micro network systems including communication, it enables you easily to optimize sys­tem performance and operation. This leads to energy savings and longer system life.
A correctly installed and commis­sioned electronic controller is the prerequisite for a stable and well­functioning heating system. Easy in­stallation and an intuitive interface makes sure that the ECL Comfort con­troller is always installed correctly for the maximum benet.
The house owners/tenants favorite
For the end-user, ECL Comfort control­lers are rst and foremost equal to en­ergy savings. Lower energy consump­tion, registered by the Sonometer™ connected to the ECL Comfort, and a
Room temperature sensor
ECL Comfort
ECA Remote Controller
Motorized control valves
controller
Energy meter
smaller heat bill will always be popu­lar. The comfort level is of course still the same, and operation is made easy with the single dial interface which features a modern design.
Outdoor temperature sensor
Network Communication facilities
System temperature sensor
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7
A few steps of commissioning that put you...
Countless advantages
For successful commissioning of the Danfoss ECL Comfort controller only a few steps are required. It is very straightforward, and in fact you don't need any special programming knowledge.
Elegant no-fuss user interface  Intuitive software makes opera-
tion a breeze
 Instant feedback displayed in your
own language
 Access to user data, alarms, logs
and settings
 User-friendly technical documen-
tation
Setup wizard – Language selection
After wiring and connecting system components, such as pumps, actua­tors and temperature sensors, you can insert the ECL Application Key. Use the turn/push dial to select your preferred language and follow the setup pro­gress on the display.
Setup wizard – Application selection
Select your application from the sys­tem application range included on the ECL Application Key. You can choose from application­specic factory settings or user-spe­cic settings if they have been stored on the key.
The key to easy installation
The ECL Comfort controller is matched with a full range of ECL Application Keys. Each Application Key is pro­grammed with specic parameters for a particular district heating or cooling application.
The ingenious ECL Application Key makes it easier than ever to install and set up your heating system appli-
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cation in the ECL controller, all with­out any need for advanced program­ming. This makes it easy to manage and adjust your application settings.
In the event of malfunction in the heating system the application pa­rameters won't be aected by e.g. power failure since they are stored in the controller. Besides the data log-
ging facility in the ECL controller fa­cilitates troubleshooting and keeps system maintenance at a minimum.
The Application Key also facilitates copying of settings to other ECL con­trollers in the system. This makes it easy to adjust settings and helps en­sure smooth operation and energy optimisation for years to come.
...one step ahead of schedule
Main controller settings
The main control parameters should be congured for optimum commis­sioning. They are located in the “set­tings” menu. Room heating and DHW ow temperatures are set in the user menus.
Heating curve
With six congurable coordinates for the exible heating curve, the ECL Comfort 210 / 296 / 310 controller meets all requirements for achiev­ing an accurate comfort temperature level in the system.
Favorite display
Select your favorite display from a set of pre-dened displays in order to get a quick system overview. Using your favorite display, you can perform func­tions such as selecting the controller mode (scheduled, comfort, saving or frost protection mode) and desired comfort temperature level (room and DHW).
One key
100% application expertise
The data programmed in every ECL Application Key incorporates dedicated and applied expertise from worldwide experience with district heating applications. This is your best guarantee for optimum system performance.
No
unplanned service visits
With correct commissioning, the lasting durability of ECL leads to full customer satisfaction and no unplanned service visits.
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ECL COMFORT 210 ECL COMFORT 296 ECL COMFORT 310
Stand-alone controller for multiple heating and cooling applications with up to 2 circuits
 2 control circuits + thermostatic
function
 Intelligent ECL Application Keys,
series A2xx
Turn/push dial navigation 
Large graphical display with backlight More room for cabling  Cable box and user interface can
be separated  Two 3-point control outputs
optimized for actuators
8 inputs: 6 Pt 1000, 2 congurable 4 relay outputs  Data logging readout on display or
via USB interface
USB port for service  
Modbus RS485 for short cable distances
Master/slave option  Optimized for substations and
operation in a system using Danfoss
actuators, control valves, Pt 1000
sensors and pressure transmitters
Controller with communication interfaces for applications with up to 2 circuits
In addition to the features of the ECL Comfort 210, the ECL Comfort 296 gives you:
 Integrated communication
interfaces:
  Modbus RS485 for longer
distances
  M-bus master dedicated for
heat meters
  Modbus TCP   Connection to ECL Portal – easy
to install, access and adjust / monitor
Smaller size, 144 x 96 mm
Controller with communication for applications
interfaces
with up
to 3 circuits
In addition to the features of the ECL Comfort 210, the ECL Comfort 310 gives you:
 3 control circuits + thermostatic
function

Integrated communication interfaces:
USB interface for service 
Modbus RS485 for longer distances
  M-bus master dedicated for heat
meters
Modbus TCP 10 input: 6 Pt 1000, 4 congurable  Three 3-point control output
optimized for actuators
6 relay outputs  Data logging readout on display or
via communication interface
 Connection to ECL Portal – easy to
install, access and adjust / monitor
ECL 210 summary:
Basic requirements, high performance in district heating systems.
ECL 296 summary:
For basic requirements, with communication and sized 144 x 96 mm.
ECA Remote controller – Remote Control Unit (RCU):
In case of limited access to the basement or heating system, the ECL Comfort controller can be supple­mented with a remote control unit, ECA 30/31, which can be placed at any desired location in the building.
This enables room temperature monitoring and con­trol, easy interfacing, and remote access for overrid­ing all the functions of the ECL Comfort controller.
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10
ECL 310 summary:
For high requirements – with communication and extension options, without programming.
Select ECL Comfort for your application
ECL COMFORT
ECL
ECL
110
210
ECL 296
ECL 310
ECL
Application
Key
Application and system
type
Circuit types Domestic hot water (DHW)
designation
Heating Cooling DHW
116 DH
130 DH
A214 DH/DC ( Vent)
A217 DH
A230 DH/DC
1)
A231 DH
A232 DH/DC
A237 DH
A247 DH
A260 DH
A266 DH
A275 BOILER
1)
Storage with internal heat exchanger
Storage with charging
DHW control with HEX
 
Legend for ECL Application Key designation:
A = Application Key 2 = Suitable for ECL Comfort 210, 296 and 310 3 = Only suitable for ECL Comfort 310 xx = Specic application type
A319 DH
A333 DH
A361 DH
A362 DH
A367 DH
A368 DH
A376 DH
A377 DH
A390 DH
Abbreviations: DH (district heating); DC (district cooling) Notes:
ECL Comfort 310 extension options
For applications with extended requirement the additional
internal I/O extension module ECA 32 and ECA 35 are
available.
For rell water and two pump function For analog (0 - 10 V) control of motorized control valves,
dampers and rotating heat exchangers
Extra signal inputs For analog (0 - 10 V) control of circulation pump speed For PWM signal based control of circulation, charging
and control pump speed (ECA 35 only)
1)
1)
1)
= Either heating or cooling
ECL accessories and temperature sensors
Base part for mounting on wall or DIN rail Temperature sensors (Pt 1000) Outdoor and room Pipe surface and immersion
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11
Index for applications keys
ECL Comfort 110
ECL Comfort
210 296 310
Application Description Page
116
130
Electronic temperature control of DHW circuits
Electronic temperature controller for weather compensated flow temperature control of directly or indirectly connected heating systems
14
16
Application Description Page
A214
(A314)
A217
(A 317)
A2 30.1
Heating
A230.2
Cooling
A 230.4
Heating
A231
(A 331)
A232
(A332)
A237
(A337)
A247
(A347)
A260
A266
A275
(A375)
A214 also covering A314:
Multi purpose application. Temperature control of, for e xample, ventilation sys tems with heat­ing or cooling or a combination of these. Weather based compensation, return temperature limitation, frost and fire protection. Optional analog control of cross-flow or rotary heat ex­changer. Alarm function related to duct / flow temperature, f ire and frost.
A217 also covering A317:
Advanced temperature control of DHW circuit with storage tank, directly heated or charg­ing system. Return temperature limitation. Optional temperature control of DHW heating temperature. Alarm function related to flow temperature.
Weather compensated control of flow temperature in a heating circuit. Room temperature and wind speed compensation. Sliding return temperature limitation. Alarm function related to flow temperature.
Control of flow temperature in a cooling circuit. Room and weather compensation. Return temperature limitation.
Weather compensated control of flow temperature in a heating circuit. Room temperature compensation. Sliding return temperature and power / flow limitation. Alarm function related to flow temperature. Monitoring of temperatures in self-acting controlled DHW circuit.
A231 al so covering A331:
Weather compensated control of flow temperature in a heating circuit. Sliding return temperature limitation. Control of one or two circulation pumps. Optional control of flow temperature related to supply temperature. Refill water function. Alarm function related to flow temperature, pressure and circulation pumps operation. Additional function in A331: Control of one or two pumps for refill water function.
A232 also covering A332 :
Weather compensated flow temperature control of heating / cooling circuit(s). Automatic change-over between heating and cooling. Circulation pump control. Dew point (cooling mode only) and surface temperature compensation. Return temperature limitation.
A237 also coveri ng A337:
Weather compensated control of flow temperature in heating circuit. Room temperature compensation and sliding return temperature limitation. Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limitation. Possibility for DHW priority. Alarm function related to flow temperatures.
A247 a lso covering A347:
Weather compensated control of flow temperature in heating circuit. Room temperature compensation and sliding return temperature limitation. Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limitation. Possibility for sliding DHW priority. Alarm function related to flow temperatures.
Weather compensated control of flow temperature in two heating circuits. Room tem­perature compensation and sliding return temperature limitation. Circuits independent in parallel or circuit 2 after circuit 1. Alarm function related to flow temperatures.
Weather compensated control of flow temperature in heating circuit. Room temperature compensation and sliding return temperature limitation. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Optional DHW temperature control related to DHW flow detection. Alarm function related to flow temperatures.
A275 also covering A375:
Weather compensated flow temperature control of 1-stage boiler based heating systems. One direct heating circuit and one mixing circuit. Circulation pumps control, room tem­perature control and sliding return temperature limitation. Temperature control of DHW storage tank with internal heat exchanger. Frost protection and alarm function. The A275 application key contains applications related to ECL Comfort 310 for increased functionalities (multiple boiler stages).
17
31
35
40
42
47
49
55
57
59
12
12
ECL Comfort
210 296 310
116
Application Description Page
Weather compensated control of flow temperature in a heating circuit, based on an advanced buffer temperature control. Charging pump is speed controlled, based on 0 - 10 Volt or PWM (Pulse Width Modulated) signal. Discharging of buffer is avoided according
A319
A333
A361
A362
A367
A368
A376
A377
A390
to built-in logic. Differential pressure can be maintained by means of speed controlled circulation pump (0 - 10 Volt or PWM). Optional sliding return temperature limitation. Relay output present for buffer heating demand; override signal for remote setting of desired flow temperature. Alarm functions are related to flow and buffer temperatures.
Weather compensated control of flow temperature in heating circuit. Sliding return tem­perature limitation. Control of one or two circulation pumps. Refill water function for one or two pumps and refill water storage control. Pressure and temperature monitoring functions. Alarm function related to flow temperature, pressure and circulation pumps operation.
Weather compensated control of flow temperature in two heating circuits. Sliding return temperature limitation. Control of one or two circulation pumps in each heating circuit. Optional control of flow temperature related to supply temperature. Refill water function. Alarm function related to flow temperature, pressure and circulation pumps operation.
Weather compensated control of flow temperature in a heating circuit, based on ad­vanced cascade control of 2 heat exchangers (HEX). Control valve characteristics are taken into consideration and flow in unused HEX circuit can be stopped. Optional sliding return temperature limitation. Scheduled shift for inversed cascade (HEX­1 - HEX-2 and HEX-2 - HEX-1) can be set. Override inputs for start of HEX-1 and HEX-2 are available. M-Bus based signal can be used for flow / energy limitation. Up to 6 heat exchangers can be cascade controlled by 1, 2 or 3 ECL Comfort 310 control­lers, each equipped with the application key A362; the ECL controllers are interconnected by means of the ECL 485 Bus. Alarm functions are related to flow and flow temperatures.
Weather compensated control of flow temperature in two heating circuits. Room tem­perature compensation and sliding return temperature limitation. Heating circuits work independent in parallel or circuit 2 after circuit 1. Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limitation. DHW priority. Alarm function related to flow temperatures.
Weather compensated control of flow temperature in heating circuit. Sliding return temperature limitation. Control of one or two circulation pumps. Optional control of flow temperature related to supply temperature. Refill water function for one or two pumps. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Control of one or two circulation pumps. Alarm function related to flow temperature, pressure and circulation pumps operation.
Weather compensated control of flow temperature in two heating circuits. Room tem­perature compensation and sliding return temperature limitation. Heating circuits work independent in parallel or circuit 2 after circuit 1. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Optional DHW temperature control related to DHW flow detection. Alarm functions related to flow temperatures, pressures and extra alarm input. Optional control of motorized control valves by means of analog signal (0 - 10 volt).
Weather compensated control of flow temperature in two heating circuits. Room tem­perature compensation and sliding return temperature limitation. Heating circuits work independent in parallel or circuit 2 after circuit 1. Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limitation. DHW priority. Optional temperature control of DHW heat­ing temperature. Alarm function related to flow temperatures.
Weather compensated control of flow temperature in up to three heating circuits. Room tem perature compensation and sliding return temperature limitation. Heating circuits work independent in parallel or circuit 2 and 3 after circuit 1. Control of flow temperature in up to three cooling circuits. Room tem perature compensa­tion and return temperature limitation. Cooling circuits work independent in parallel or circuit 2 and 3 after circuit 1. Temperature control of DHW tank charging circuit. Control of DHW heating temperature. Return temperature limitation. DHW priority possibility. Alarm functions related to flow temperatures. Optional control of motorized control valves by means of analog signal, 0 - 10 volt, (3 x heating circuits only).
68
69
70
71
74
77
79
83
86
13
13
ECL Comfort 110 Application 116
Electronic temperature control of DHW circuits.
116
Example a
Constant DHW temperature control with heat exchanger.
116
Example b
Constant temperature control of DHW circuit with storage tank with built-in heating coil.
14
14
116
116
Danfoss
87H2156.10
Example c
DHW temperature control at DHW tapping (DHW draw-o) detected by ow switch (FS).
116
116
Example d
DHW temperature control at DHW tapping (DHW draw-o) detected by ow switch (FS) (DHW circulation).
M1
M1
S2
S2
S4
S4
S3
S3
FS
FS
P1
Danfoss
87H2157.10
15
15
ECL Comfort 110 Application 130
Electronic temperature controller for weather compensated ow temperature.
130
Example a
District heating circuit with heat exchanger (indirect connected heating circuit).
130
Example b
Direct connected district heating circuit
130
Example c
Boiler based heating circuit.
16
16
ECL Comfort 210/296/310 Application A214/A314
87H2113.13
M2
X3
Multi purpose application. Temperature control of, for example, ventilation systems with heating or cooling or a combination of these. Weather based compensation, return temperature limitation, frost and re protection. Op­tional analog control of cross-ow or rotary heat exchanger. Alarm function related to duct / ow temperature, re and frost.
A214.1
Example a
Ventilation system with cooling and constant room temperature control.
A214.1
S1
S1
P2
ECL 210 / 296 / 310
X3
ECL 210 / 296 / 310
S5
A1
A1
F1
F1
M2
S3
S3
S8S8S8
S4
S4
Danfoss
87H2114.13
Danfoss
Example b
Ventilation system with cooling and constant room temperature control. Chiller has constant ow.
A214.1
Example c
Ventilation system (fan coils) with cooling and constant room tempera­ture control.
S1
M2
X3
ECL 210 / 296 / 310
S3
S5
S5
A1
F1 F1
S4
S8
Danfoss
87H2115.13
17
17
F1
S1
87H2116.12
ECL 210 / 296 / 310
S1
ECL Comfort 210/296/310 Application A214/A314
Multi purpose application. Temperature control of, for example, ventilation systems with heating or cooling or a combination of these. Weather based compensation, return temperature limitation, frost and re protection. Op­tional analog control of cross-ow or rotary heat exchanger. Alarm function related to duct / ow temperature, re and frost.
A214.1
Example d
Cooling system with constant ow temperature control.
A214.1
S1
M2
M2
S3
ECL 210 / 296 / 310
S3
A1
A1
Danfoss
Danfoss
87H2117.13
Example e
Cooling system in ceiling and con­stant room temperature control in for example a wine cellar.
A214.2
Example a
Ventilation system with heating and constant duct temperature control.
P2
F1
ECL 210 / 296 / 310
S3
X3
A1
S6
S7
S5
M1
F1
S8S8S8
S4
S4
Danfoss
87H2118.12
18
18
A214.2
S1
ECL 210 / 296 / 310
F1
ECL 210 / 296 / 310
S1
87H2120.12
S1
87H2121.12
ECL 210 / 296 / 310
Example b
Heating of a swimming pool, con­stant water temperature control.
M1
S5
S3
S4
A1
Danfoss
87H2119.12
A214.3
Example a
Ventilation system with heating and constant room temperature control.
A214.3
P2
X3
A1
S6
S7
M1
S5
F1
A1
F1 F1
S4
S8S8S8
S3
Danfoss
S4
Danfoss
Example b
Ventilation system (fan coils) with heating and constant room tempera­ture control.
M1
S3
X3
S5
19
19
S1
87H2122.12
ECL 210 / 296 / 310
87H2123.12
ECL 210 / 296 / 310
ECL Comfort 210/296/310 Application A214/A314
Multi purpose application. Temperature control of, for example, ventilation systems with heating or cooling or a combination of these. Weather based compensation, return temperature limitation, frost and re protection. Op­tional analog control of cross-ow or rotary heat exchanger. Alarm function related to duct / ow temperature, re and frost.
A214.4
Example a
Ventilation system with heating, cooling and constant duct tempera­ture control.
A214.4
Example b
Ventilation system with heating, pas­sive cooling (outside air) and con­stant duct temperature control.
S1
P2
P2
M2
X3
S3
S3
X3
S6
S7
S5
M1
A1
S6
S7
S5
M1
A1
F1
F1
Danfoss
M2
S4
S8S8S8
Danfoss
S4
S8S8S8
20
20
A214.5
S1
ECL 210 / 296 / 310
87H2125.13
ECL 210 / 296 / 310
S1
ECL 210 / 296 / 310
A1
Danfoss
87H2124.12
Example a
Ventilation system with heating, cool­ing and constant room temperature control.
A214.5
Example b
Ventilation system with heating, pas­sive cooling (outside air) and con­stant room temperature control.
S1
P2
P2
M2
X3
X3
S6
S7
S5
M1
A1
S6
S7
S5
M1
M2
F1
S3
S8S8S8
S3
F1
S8S8S8
S4
Danfoss
S4
A214.5
Example c
Ventilation system with heating, cross­ow heat exchanger control and con­stant room temperature control.
P2
M2
X3
A1
S5
S6
S7
M1
Danfoss
87H2134.12
S3
F1
S8S8S8
S4
21
21
ECL Comfort 210/296/310 Application A214/A314
Multi purpose application. Temperature control of, for example, ventilation systems with heating or cooling or a combination of these. Weather based compensation, return temperature limitation, frost and re protection. Op­tional analog control of cross-ow or rotary heat exchanger. Alarm function related to duct / ow temperature, re and frost.
A214.6
Example a
Heating system with 3-port mixing valve
A214.6
Example b
Heating system with heat exchanger
22
22
A314.1
S1
87H2133.12
S1
ECL 310
87H2127.12
ECL 310
+ ECA 32
A1
M1
S2
Danfoss
Example a
Ventilation system with heating, pas­sive cooling (outside air) and constant duct temperature control. Analog con­trolled passive cooling (M2).
A314.1
Example b
Ventilation system with heating, cool­ing and constant duct temperature control. Analog controlled cooling (M2).
P2
P2
S3
X3
M2
S3
X3
A
ECL 310
+ ECA 32
M1
S5
S6
S7
S6
S7
S5
A1
F1
S4
S8S8S8
S2
M2
A
F1
S4
S8S8S8
Danfoss
87H2128.12
A314.2
Example a
Ventilation system with heating, pas­sive cooling (outside air) and constant room temperature control. Analog controlled passive cooling (M2).
S1
P2
M2
S2
S6
S7
S5
A1
M1
F1
S3
S8S8S8
+ ECA 32
X3
A
S4
Danfoss
23
23
S1
ECL 310
S1
87H2132.12
ECL 310
S1
87H2131.12
ECL Comfort 210/296/310 Application A214/A314
Multi purpose application. Temperature control of, for example, ventilation systems with heating or cooling or a combination of these. Weather based compensation, return temperature limitation, frost and re protection. Op­tional analog control of cross-ow or rotary heat exchanger. Alarm function related to duct / ow temperature, re and frost.
A314.2
Example b
Ventilation system with heating, cooling and constant room tempera­ture control. Analog controlled cool­ing (M2).
A314.3
P2
S10
X3
S6
S7
M1
S5
+ ECA 32
+ ECA 32
A1
A1
M1
S2
M2
A
F1
S3
S8S8S8
S2
S4
Danfoss
87H2135.12
Danfoss
Example a
Ventilation system with heating and constant room temperature control. Analog controlled fan speed (V1) based on outdoor wind speed.
A314.3
Example b
Ventilation system with heating and constant room temperature control. Analog controlled air curtain (V1) speed based on outdoor wind speed.
A1
S6
S7
S6
S5
S7
S5
F1 / V1
M1
F1
S8S8S8
S2
S3
S8S8S8
S3
S4
Danfoss
V1
A
S4
X3
P2
ECL 310
+ ECA 32
S10
X3
P2
24
24
A314.4
Example a
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in relation to pressures. Analog controlled speed of rotary heat exchanger (M2) for heat recover y.
A314.4
Example b
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in relation to pressures. Analog controlled damper (M2) for heat recovery by means of a cross heat exchanger.
A314.4
Example c
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in relation to pressures. Analog controlled speed of rotary heat exchanger (M2) for heat recovery. Control of Night damper P8 for reduced ventialtion during saving periods.
25
25
ECL Comfort 210/296/310 Application A214/A314
Multi purpose application. Temperature control of, for example, ventilation systems with heating or cooling or a combination of these. Weather based compensation, return temperature limitation, frost and re protection. Op­tional analog control of cross-ow or rotary heat exchanger. Alarm function related to duct / ow temperature, re and frost.
A314.4
Example d
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in relation to pressures. Analog controlled damper (M2) for heat recovery by means of a cross heat exchanger. Control of Night damper P8 for reduced ventila­tion during saving periods.
A314.4
Example e
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in relation to pressures. Analog controlled valve (M2) for heat recovery by means of a Fluid battery. Control of Night damp­er P8 for reduced ventilation during saving periods.
A314.5
Example a
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in re lation to air quality (CO2). Analog controlled speed of rotary heat exchanger (M2) for heat recovery.
26
26
A314.5
Example b
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in re lation to air quality (CO2). Analog controlled damper (M2) for heat recovery by means of a cross heat exchanger.
A314.5
Example c
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in re lation to air quality (CO2). Analog controlled speed of rotary heat exchanger (M2) for heat recovery. Control of Night damper P8 for reduced ventilation during saving periods.
A314.5
Example d
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in re lation to air quality (CO2). Analog controlled damper (M2) for heat recovery by means of a cross heat exchanger. Con­trol of Night damper P8 for reduced ventilation during saving periods.
27
27
27
87H1343.11
Danfoss
S1
S2
A1 X4
P2
ECL 310
+ ECA 32
S10
M2
S13
S14
A
X3
M1
S5
S6
S7
S10
S9
F1 / V2
S12
S3
S8
S8
S4
S9
F1 / V3
S11
M3
X5
87H1344.11
Danfoss
S1
S2
A1
X4
P2
ECL 310
+ ECA 32
S10
S13
S14
X3
M1
S5
S6
S7
S10
S9
F1 / V2
S12
S3
S8
S8
S4
M2
A
S9
F1 / V3
M3
S11
X5
ECL Comfort 210/296/310 Application A214/A314
Multi purpose application. Temperature control of, for example, ventilation systems with heating or cooling or a combination of these. Weather based compensation, return temperature limitation, frost and re protection. Op­tional analog control of cross-ow or rotary heat exchanger. Alarm function related to duct / ow temperature, re and frost.
A314.5
Example e
Ventilation system with heating, pas­sive cooling (outside air) and room temperature control. Analog con­trolled speed of fans in re lation to air quality (CO2). Analog controlled valve (M2) for heat recovery by means of a Fluid battery. Control of Night damp­er P8 for reduced ventilation during saving periods.
A314.6
Example a
Ventilation system with heating, cooling and room temperature con­trol. Analog controlled speed of fans in relation to pressures. Analog con­trolled speed of rotary heat exchang­er (M2) for heat recovery.
A314.6
Example b
Ventilation system with heating, cooling and room temperature con­trol. Analog controlled speed of fans in relation to pressures. Analog con­trolled damper (M2) for heat recovery by means of a cross heat exchanger.
28
28
A314.6
87H1469.10
Danfoss
S1
S2
A1 X4
P2
ECL 310
+ ECA 32
S10
S13
S14
X3
M1
S5
S6
S7
S10
S9
F1 / V2
S12
S3
S8
S8
S4
S9
F1 / V3
M3
S11
X5
P7
M2
A
Example c
Ventilation system with heating, cool­ing and room temperature control. Analog controlled speed of fans in re­lation to pressures. Analog controlled valve (M2) for heat recovery by means of a Fluid battery.
S10
S10
ECL 310
+ ECA 32
S5
S6
S7
ECL 310
+ ECA 32
M1
S5
S6
S7
S2
A1 X4
M1
A1
M3
X5
X4
X5
S9
S3
F1 / V2
F1 / V3
S9
S2
M3
S9
F1 / V2
S11
F1 / V3
S9
S11
S8
S8
S3
S8
S8
87H1345.11
Danfoss
S4
87H1346.11
Danfoss
S4
29
29
29
A314.7
Example a
Ventilation system with heating, cool-
S1
S10
P2
X3
S13
ing and room temperature control. Analog con trolled speed of fans in re-
M2
A
lation to air quality (CO2). Analog con­trolled speed of rotary heat exchanger
S14
(M2) for heat recovery.
S1
A314.7
S10
P2
X3
S13
M2
A
S14
Example b
Ventilation system with heating, cool­ing and room temperature control. Analog con trolled speed of fans in re­lation to air quality (CO2). Analog con­trolled damper (M2) for heat recovery by means of a cross heat exchanger.
87H1471.11
Danfoss
S1
S2
A1
X4
M2
ECL 310
+ ECA 32
S10
X3
M1
S5
S6
S7
S10
S9
F1 / V2
S11
S3
S8
S8
S4
S9
F1 / V3
A
P2
S1
ECL 310
S9
ECL Comfort 210/296/310 Application A214/A314
Multi purpose application. Temperature control of, for example, ventilation systems with heating or cooling or a combination of these. Weather based compensation, return temperature limitation, frost and re protection. Op­tional analog control of cross-ow or rotary heat exchanger. Alarm function related to duct / ow temperature, re and frost.
A314.7
Example c
Ventilation system with heating, cool­ing and room temperature control. Analog con trolled speed of fans in re­lation to air quality (CO2). Analog con­trolled valve (M2) for heat recovery by means of a Fluid battery.
A314.9
S10
ECL 310
+ ECA 32
M1
S5
S6
S7
S2
A1
X4
M3
X5
S9
F1 / V2
F1 / V3
S9
S11
S3
S8
S8
87H1470.10
Danfoss
S4
S1
S10
P2
X3
S13
M2
A
P7
S14
Example a
Ventilation system with heating and room temperature control. Analog controlled speed of fans in relation to air quality (CO2).
S2
87H1472.11
X4
A314.9
Example b
Ventilation system with heating and room temperature control. Analog con trolled speed of fans in re lation to air quality (CO2). ON-OFF control of damper P2.
30
30
M2
X3
A
S10
P2
+ ECA 32
S6
S10
A1
M1
S5
S9
S3
F1 / V2
S7
F1 / V3
S11
S8
S8
Danfoss
S4
S1
87H2068.13
87H2069.13
ECL Comfort 210/296/310 Application A217/A317
Advanced temperature control of DHW circuit with storage tank, directly heat­ed or charging system. Return temperature limitation. Optional temperature control of DHW heating temperature. Alarm function related to ow temperature.
A217.1 / A317.1
Example a
Indirectly connected DHW charg­ing system. DHW circulation through DHW tank (A) or heat exchanger (B).
A217.1 / A317.1
Example b
Indirectly connected DHW heating system.
A217.1 / A317.1
S1
M1
M1
ECL 210 / 296 / 310
A1
S2
S5
S2
S3
S3
P1
ECL 210 / 296 / 310
S5
S6
S8
A1
S6
S8
Danfoss
P3
Danfoss
P3
Example c
Directly connected DHW heating system.
P1
31
31
S1
87H2071.13
ECL 210 / 296 / 310
S1
ECL 210 / 296 / 310
ECL Comfort 210 Application A217
Advanced temperature control of DHW circuit with storage tank, directly heat­ed or charging system. Return temperature limitation. Optional temperature control of DHW heating temperature. Alarm function related to ow temperature.
A217.1 / A317.1
Example d
Directly connected DHW heating system.
A217.2 / A317.2
Example a
Indirectly connected DHW charging system with controlled heating tem­perature. DHW circulation through DHW tank (A) or heat exchanger (B).
A217.2 / A317.2
Example b
Indirectly connected DHW charging system with controlled heating tem­perature. DHW circulation through DHW tank (A) or heat exchanger (B).
S2 S3
M1
M1
S2 S3
S5
S5
P1
P1
S4
P3
P3
Danfoss
Danfoss
87H2072.13
A1
S4
B
P2
A1
B
P2
S6
A
S8
S6
A
S8
32
32
A217. 3
Example a
Indirectly connected DHW heating system. DHW circulation through heat exchanger.
A217. 3
Example b
Indirectly connected DHW heating system. DHW heating on demand via ow switch (S8).
33
33
ECL Comfort 210 Application A217
Advanced temperature control of DHW circuit with storage tank, directly heat­ed or charging system. Return temperature limitation. Optional temperature control of DHW heating temperature. Alarm function related to ow temperature.
A217. 3
Example c
Indirectly connected DHW heating system. DHW circulation through heat exchanger.
A217. 3
Example d
Directly heated DHW tank. DHW circulation through DHW tank.
34
34
ECL Comfort 210/296/310 Application A230
Heating – Application A230.1 Weather compensated control of ow temperature in a heating circuit. Room temperature and wind speed compensation. Sliding return temperature limi­tation. Alarm function related to ow temperature.
A230.1
Example a
Indirectly connected heating system (typically district heating).
A230.1
Example b
Directly connected heating system.
A230.1
Example c
Boiler heating system with 3–port valve.
35
35
ECL Comfort 210/296/310 Application A230
Cooling – Application A230.2 Control of ow temperature in a cooling circuit. Room and weather compensation. Return temperature limitation.
A230.1
Example d
Boiler heating system with 4–port ro­tary valve.
A230.2
Example a
Indirectly connected cooling system (typically district cooling).
A230.2
Example b
Directly connected cooling system.
36
36
A230.2
Example c
Indirectly connected cooling system, constant ow on cooling supply side.
A230.2
Example d
Two circulation pumps in shifted control, controlled by schedule 2.
37
37
ECL Comfort 210/296/310 Application A230
Heating – Application A230.4 Weather compensated control of ow temperature in a heating circuit. Room temperature compensation. Sliding return temperature limitation. Power / ow limitation. Alarm function related to ow temperature. Monitoring of temperatures in self-acting controlled DHW circuit.
A230.4
Example a
Indirectly connected heating system (tipically district heating). Monitoring of pressure and DHW temperatures.
A230.4
Example b
Indirectly connected heating system (tipically district heating). Monitoring of pressure and DHW temperatures. Scheduled DHW circulation.
A230.4
Example c
Directly connected heating system (tipically district heating). Monitoring of pressure and DHW temperatures.
38
38
A230.4
Example d
Directly connected heating system (tipically district heating). Monitoring of pressure and DHW temperatures.
39
ECL Comfort 210/296/310 Application A231/A331
Weather compensated control of ow temperature in a heating circuit. Sliding return temperature limitation. Control of one or two circulation pumps. Optional control of ow temperature related to supply temperature. Rell water function. Alarm function related to ow temperature, pressure and circulation pumps operation. Additional function in A331: Control of one or two pumps for rell water function.
A231.1
Example a
Indirectly connected heating system with two-pump control and rell wa­ter function.
A231.2
Example a
Indirectly connected heating system with two-pump control and rell water function (supply temperature measurement gives further control / limitation possibilities).
40
40
40
A331.1
Example a
Indirectly connected heating sys­tem with two-pump control and rell water function.
A331.2
Example a
Indirectly connected heating system with two-pump control and rell water function (supply temperature measurement gives further control / limitation possibilities).
41
41
ECL Comfort 210/296/310 Application A232/A332
Weather compensated ow temperature control of heating / cooling circuit(s). Auto­matic change-over between heating and cooling. Circulation pump control. Dew point (cooling mode only) and surface temperature compensation. Return temperature limi­tation.
A232.1
Example a
Control of ow temperature (heating in oor / cooling in ceiling) in relation to outdoor, room and dew point tem­perature.
A232.1
Example b
Control of ow temperature (heating / cooling) in oor in relation to outdoor, room and dew point temperature.
A232.1
Example c
Control of ow temperature (heating / cooling) to a fan-coil in relation to out­door, room and dew point tempera­ture.
42
42
A232.1
Example d
Control of ow temperature (heating / cooling) to a fan-coil in relation to out­door, room and dew point tempera­ture. Heating source: District heating. Cooling source: Cooling machine.
A232.1
Example e
Control of ow temperature (heating / cooling) in relation to outdoor, room and dew point temperature. Heating / cooling sources: District heating / dis­trict cooling.
A332.1
Example a
Control of ow temperature (heating in oor / cooling in ceiling) in relation to outdoor, room and dew point tem­perature. Optional return tempera­ture limitation.
43
43
ECL Comfort 210/296/310 Application A232/A332
Weather compensated ow temperature control of heating / cooling circuit(s). Auto­matic change-over between heating and cooling. Circulation pump control. Dew point (cooling mode only) and surface temperature compensation. Return temperature limi­tation.
A332.2
Example a
Separated control of ow tem­peratures for heating / cooling in relation to outdoor, room and dew point temperature. Optional re­turn temperature limitations.
A332.2
Example b
District heating / cooling based control of ow temperatures for heating / cooling in relation to outdoor, room and dew point temperature. Optional return tem­perature limitations.
A332.2
Example c
Direct connected heating / cool­ing based control of ow tempera­tures for common heating / cool­ing circuit. Control in relation to outdoor and room temperature. Optional surface and return tem­perature limitations.
44
44
A332.2
Example d
Indirect connected heating / cool­ing based control of ow tempera­tures for common heating / cool­ing circuit. Control in relation to outdoor and room temperature. Optional sur face and return tem­perature limi tations.
A332.3
Example a
Separated control of ow tem­peratures in heating and cooling circuits. Control in relation to out­door and / or room temperature. Optional sur face and return tem­perature limi tations. Indirectly connected DHW system with ow switch for DHW heating on demand.
45
45
45
ECL 310
ECL Comfort 210/296/310 Application A232/A332
Weather compensated ow temperature control of heating / cooling circuit(s). Au­tomatic change-over between heating and cooling. Circulation pump control. Dew point (cooling mode only) and surface temperature compensation. Return tempera­ture limitation.
A332.3
Example b
Separated control of ow tempera­tures in heating and cooling circuits. Control in relation to outdoor and / or room temperature. Optional sur­face and return temperature limi­tations. Indirectly connected DHW system with ow switch for DHW heating on demand.
A332.4
Example a
Control of ow temperature (heating in oor / cooling in ceiling) in relation to outdoor, room and dew point tem­perature. Optional return and surface temperature limitation. Override functionalities for heating and cool­ing modes.
A1
M1
S3
P1
X3
X2
S10
M2
S8
S7
S9
S5
DanfossS187H1496.10
S6
S2
46
46
ECL Comfort 210/296/310 Application A237/A337
Weather compensated control of ow temperature in heating circuit. Room tem­perature compensation and sliding return temperature limitation. Temperature control in DHW circuit with storage tank, directly heated or charg­ing system. Return temperature limitation. Possibility for DHW priority. Alarm function related to ow temperatures.
A237.1 / A337.1
Example a
Indirectly connected system and sec­ondarily connected DHW tank with in­ternal heat exchanger (optional DHW priority).
A237.1 / A337.1
Example b
Indirectly connected system and sec­ondarily connected DHW tank with in­ternal heat exchanger (DHW priority).
A237.1 / A337.1
Example c
Indirectly connected system and primarily connected DHW tank with internal heat exchanger (optional DHW priority).
47
47
ECL Comfort 210/296/310 Application A237/A337
Weather compensated control of ow temperature in heating circuit. Room tem­perature compensation and sliding return temperature limitation. Temperature control in DHW circuit with storage tank, directly heated or charg­ing system. Return temperature limitation. Possibility for DHW priority. Alarm function related to ow temperatures.
A237.1 / A337.1
Example d
Directly connected system and DHW tank with internal heat ex­changer (optional DHW priority).
A237.2 / A337.2
Example a
Indirectly connected system and sec­ondarily connected DHW charging system (optional DHW priority).
A237.2 / A337.2
Example b
Indirectly connected system and sec­ondarily connected DHW charging system (DHW priority).
48
48
87H2053.15
S1
ECL 210 / 296 / 310
ECL Comfort 210/296/310 Application A247/A347
Weather compensated control of ow temperature in heating circuit. Room tem­perature compensation and sliding return temperature limitation. Temperature control in DHW circuit with storage tank, directly heated or charg­ing system. Return temperature limitation. Possibility for sliding DHW priority. Alarm function related to ow temperatures.
A247.1
Example a
Indirectly connected heating system and DHW charging system (optional DHW priority). Room temperature can be achieved by an ECA 30.
A247.1
S1
M2
S5
ECL 210 / 296 / 310
S3
P1
A1
Danfoss
Example b
Indirectly connected heating system and directly connected DHW tank heating system. (Pre-controlled circuit
M1
and optional DHW priority). Room temperature can be achieved by an ECA 30.
A247.1
S4
S2
P2
A1
M2
S3
P1
S5
S6
S8
P3
Danfoss
87H2054.15
Example c
Indirectly connected heating and DHW system (optional DHW priority). Room temperature can be achieved by an ECA 30.
49
S4
M1
S2
P2
S6
S8
P3
49
49
S1
87H2055.15
ECL 210 / 296 / 310
S1
87H2056.15
ECL 210 / 296 / 310
ECL Comfort 210/296/310 Application A247/A347
Weather compensated control of ow temperature in heating circuit. Room tem­perature compensation and sliding return temperature limitation. Temperature control in DHW circuit with storage tank, directly heated or charg­ing system. Return temperature limitation. Possibility for sliding DHW priority. Alarm function related to ow temperatures.
A247. 2
Example a
Indirectly connected heating system and DHW tank charging system with pre-controlled charging tempera­ture. Room temperature can be achieved by an ECA 30.
A247. 2
Danfoss
P1
S5
Example b
Indirectly connected heating sys­tem and DHW system. The DHW tank charging has pre-controlled charging temperature. Room temperature can be achieved by an ECA 30.
S3
M2
S2
M1
S4
P2
B
P4
S6
A
P3
S8
Danfoss
A247. 2
M2
S3
Example c
Indirectly connected heating system
S4
S5
and DHW system. The DHW tank charging has pre-controlled charging temperature. Optional DHW priority.
M1
S2
P2
Room temperature can be achieved by an ECA 30.
P1
S6
A
P3
S8
B
P4
50
50
50
A247. 3
S1
87H1394.12
ECL 210 / 296 / 310
S1
87H1395.11
ECL 210 / 296 / 310
Example a
Indirectly connected heating system and DHW charging system. The DHW tank charging system has controlled heating and charging temperature and optional DHW priority. Room temperature can be achieved by an ECA 30.
A247. 3
Example b
Indirectly connected heating and DHW charging system. The DHW tank charging has controlled heating and charging temperature and optional DHW priority. Room temperature can be achieved
P1
S5
S3
M2
S2
M1
S4
P2
S7
B
P4
S6
A
S8
Danfoss
P3
by an ECA 30.
A247. 3
M2
S3
P1
S5
Danfoss
Example c
Indirectly connected heating and DHW charging system. The DHW tank charging has optional DHW priority. Room temperature can be achieved by an ECA 30.
51
S4
M1
S2
P2
S7
B
P4
S6
A
P3
S8
51
51
87H2057.11
S7
S1
87H1474.10
ECL 310
S7
ECL Comfort 210/296/310 Application A247/A347
Weather compensated control of ow temperature in heating circuit. Room tem­perature compensation and sliding return temperature limitation. Temperature control in DHW circuit with storage tank, directly heated or charg­ing system. Return temperature limitation. Possibility for sliding DHW priority. Alarm function related to ow temperatures.
A347.1
Example a
Indirectly connected heating system and DHW charging system (optional DHW priority).
A347.1
S1
M2
S5
M1
S2
S1
M2
S5
ECL 310
A1
S3
P1
S4
B
P2
ECL 310
A1
S3
P1
S6
A
S8
Danfoss
P3
S7
Danfoss
87H1473.10
Example b
S4
S6
Indirectly connected and controlled heating sys tem. Controlled heating temperature for DHW tank and op­tional DHW priority.
A347.1
Example c
Indirectly connected and controlled heating sys tem. Controlled heating
M1
M1
S2
S2
P2
A1
M2
S3
P1
S5
S4
P2
S8
P3
Danfoss
S6
S8
P3
temperature for DHW tank and op­tional DHW priority.
52
52
52
A347. 2
S1
87H1475.11
ECL 310
S7
Example a
Indirectly connected heating system and DHW system. The DHW tank charging has direct connected and pre-controlled charging tempera­ture. Optional DHW priority.
A347. 2
Example b
Indirectly connected heating system and DHW system. The DHW tank charging has pre-controlled charging
A1
P1
S5
S3
M2
S2
M1
S4
P2
S9
B
P4
S6
A
S8
Danfoss
P3
temperature.
53
53
S1
87H1476.11
ECL 310
S7
S7
ECL Comfort 210/296/310 Application A247/A347
Weather compensated control of ow temperature in heating circuit. Room tem­perature compensation and sliding return temperature limitation. Temperature control in DHW circuit with storage tank, directly heated or charg­ing system. Return temperature limitation. Possibility for sliding DHW priority. Alarm function related to ow temperatures.
A347. 2
Example c
Indirectly connected heating system and DHW system. The DHW tank charging has pre-controlled charging temperature. Optional DHW priority.
A347. 3
A1
M2
S3
P1
S5
S4
M1
S2
S1
M2
P2
S3
S5
ECL 310
P1
S9
B
P4
A1
S6
A
S8
Danfoss
P3
Danfoss
87H1517.10
Example a
Indirectly connected heating system and DHW charging system (optional DHW priority). S8 monitors DHW circulation return.
M1
S2
S4
B
P2
S6
S8
A
S8
P3
54
54
ECL Comfort 210/296/310 Application A260
Weather compensated control of ow temperature in two heating circuits. Room temperature compensation and sliding return temperature limitation. Circuits independent in parallel or circuit 2 after circuit 1. Alarm function related to ow temperatures.
A260.1
Example a
Indirectly connected heating systems (typically district heating). Circuit 2 is oor heating.
A260.1
Example b
Indirectly connected heating systems (typically district heating). S7 is pulse based ow or energy meter.
A260.1
Example c
Indirectly connected heating systems (typically district heating). S7 is pulse based ow or energy meter.
55
55
ECL Comfort 210/296/310 Application A260
Weather compensated control of ow temperature in two heating circuits. Room temperature compensation and sliding return temperature limitation. Circuits independent in parallel or circuit 2 after circuit 1. Alarm function related to ow temperatures.
A260.1
Example d
Indirectly connected heating systems (typically district heating). Circuit 2 (as sub-circuit) is oor heating.
A260.1
Example e
Directly connected heating systems (boiler-based). Circuit 2 is oor heating.
A260.1
Example f
Directly connected heating systems (boiler-based).
56
56
ECL Comfort 210/296/310 Application A266
Weather compensated control of ow temperature in heating circuit. Room tem­perature compensation and sliding return temperature limitation. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Optional DHW temperature control related to DHW ow detection. Alarm function related to ow temperatures.
A266.1
Example a
Indirectly connected heating and DHW system (typically district heating). S7 is pulse based ow or energy meter.
A266.1
Example b
Directly connected heating and indirectly connected DHW system. S7 is pulse based ow or energy meter.
A266.1
S1
M2
ECL 210 / 296 / 310
S5
S2
A1
S3
P2
Danfoss
87H2144.14
Example c
Indirectly connected heating system and directly connected DHW tank heating. S7 is pulse based ow or energy meter.
S7
S4
M1
S6
P1
57
57
ECL Comfort 210/296/310 Application A266
Weather compensated control of ow temperature in heating circuit. Room tem­perature compensation and sliding return temperature limitation. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Optional DHW temperature control related to DHW ow detection. Alarm function related to ow temperatures.
A266.2
Example a
Indirectly connected heating and DHW system with ow switch. S7 is pulse based ow or energy meter
A266.9
Example a
Indirectly connected heating and DHW system with pressure transmitter and universal alarm switch.
A266.10
Example a
Indirectly connected heating and DHW system. Secondary side return temperatures monitoring and universal alarm switch. S7 is pulse based ow or energy meter. Flow / energy limitation is optional.
58
58
58
ECL 210 / 296 / 310
S1
ECL 210 / 296 / 310
S1
87H2165.12
ECL 210 / 296 / 310
S1
ECL Comfort 210/296/310 Application A275/A375
Weather compensated flow temperature control of 1-stage boiler based heating systems. One direct heat­ing circuit and one mixing circuit. Circulation pumps control, room temperature control and sliding return temperature limitation. Temperature control of DHW storage tank with internal heat exchanger. Frost protection and alarm function. The A275 application key contains applications related to ECL Comfort 310 for increased functionalities (mul­tiple boiler stages).
A275.1
Danfoss
A1
S3
S7
87H2163.13
Example a
Boiler ON / OFF control for a heating circuit. * = Automatic by-pass valve.
A275.1
Example b
Boiler ON/OFF control for a heat­ing circuit. The boiler circuit is equipped with a low loss header. * = Automatic by-pass valve.
P1
S5
B1
S3
P1
S5
B1
*
A1
*
1
Danfoss
87H2164.12
S7
1
A1
A275.2
S3
P1
S5
B1
*
Danfoss
S7
1
Example a
Boiler ON / OFF control for a heating and a DHW circuit. Optional DHW priority. * = Automatic by-pass valve.
P3
S6
2
59
59
87H2166.12
ECL 210 / 296 / 310
87H2168.12
ECL 210 / 296 / 310
S1
87H2167.12
ECL 210 / 296 / 310
S1
ECL Comfort 210/296/310 Application A275/A375
Weather compensated flow temperature control of 1-stage boiler based heating systems. One direct heat­ing circuit and one mixing circuit. Circulation pumps control, room temperature control and sliding return temperature limitation. Temperature control of DHW storage tank with internal heat exchanger. Frost protection and alarm function. The A275 application key contains applications related to ECL Comfort 310 for increased functionalities (mul­tiple boiler stages).
S1
Danfoss
S7
1
A275.2
A1
S3
P1
S5
B1
*
Example b
Boiler ON / OFF control for a heat­ing and a DHW circuit. DHW priority. * = Automatic by-pass valve.
A275.2
Example c
Boiler ON / OFF control for a heating and a DHW circuit. Optional DHW pri­ority. The boiler circuit is equipped with a low loss header. * = Automatic by-pass valve.
P3/M1
A1
S3
P1
*
S5
B1
P3
S6
2
Danfoss
S7
1
S6
2
A1
A275.2
Example d
S3
P1
S5
B1
*
Danfoss
S7
1
Boiler ON / OFF control for a heat­ing and a DHW circuit. DHW priority. The boiler circuit is equipped with a low loss header.
P3/M1
S6
2
* = Automatic by-pass valve.
60
60
A275.3
87H2169.13
ECL 210 / 296 / 310
87H2170.13
ECL 210 / 296 / 310
S1
87H2171.13
ECL 210 / 296 / 310
S1
Example a
I Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Optional DHW priority. * = Automatic by-pass valve.
A275.3
Example b
Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Partly DHW priority. * = Automatic by-pass valve.
S1
M2
S4
P4
S3
S5
B1
S3
P1
S5
B1
P3/M1
S2
P1
*
S6
P3
M2
S4
P4
S2
*
S6
Danfoss
S8
2
S7
1
3
Danfoss
S8
2
S7
1
3
Danfoss
A275.3
Example c
S3
S5
B1
Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). DHW priority.
P1
P3/M1
M2
S4
P4
S2
*
S8
2
S7
1
S6
3
* = Automatic by-pass valve.
61
61
87H2172.13
ECL 210 / 296 / 310
S1
87H2173.13
ECL 210 / 296 / 310
S1
87H2174.13
ECL Comfort 210/296/310 Application A275/A375
Weather compensated flow temperature control of 1-stage boiler based heating systems. One direct heat­ing circuit and one mixing circuit. Circulation pumps control, room temperature control and sliding return temperature limitation. Temperature control of DHW storage tank with internal heat exchanger. Frost protection and alarm function. The A275 application key contains applications related to ECL Comfort 310 for increased functionalities (mul­tiple boiler stages).
Danfoss
A275.3
Example d
Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Optional DHW priority. The mixing circuit (2) is con­trolled by means of a 4-port mixing valve. * = Automatic by-pass valve.
S3
S5
B1
S4
M2
P4
S2
P1
*
P3
S8
2
S7
1
S6
3
Danfoss
A275.3
Example e
Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Optional DHW priority. The boiler circuit is equipped
S3
S5
B1
M2
S4
P4
S2
P1
*
S8
2
S7
1
S6
3
with a low loss header. * = Automatic by-pass valve.
S1
ECL 210 / 296 / 310
P3
Danfoss
A275.3
S3
S5
M2
S4
P4
S2
S8
2
Example f
Boiler ON / OFF control, a mixing cir­cuit control and a DHW circuit con­trol. Optional DHW priority. * = Automatic by-pass valve.
62
62
B1
S6
3
P3
A275.3
87H2175.13
ECL 210 / 296 / 310
S1
87H2176.10
ECL 310
S1
B1
87H2178.10
ECL 310
S1
Danfoss
M2
S4
S8
Example g
Boiler ON / OFF control for a direct heating circuit (1) and a mixing circuit (2). * = Automatic by-pass valve.
A375.1
Example a
One boiler with 2 x burner ON / OFF control for a heating circuit. * = Automatic by-pass valve.
P4
S2
S3
P1
S5
B1
S3
B2
S5
P1
*
A1
*
2
S7
1
Danfoss
S7
A375.1
Example b
B1
B2
2 x boiler ON / OFF control for a heat-
S3
S5
A1
P1
*
ing circuit. * = Automatic by-pass valve.
Danfoss
S7
63
63
ECL 310
87H2177.10
ECL 310
S1
87H2180.10
ECL 310
S1
ECL Comfort 210/296/310 Application A275/A375
Weather compensated flow temperature control of 1-stage boiler based heating systems. One direct heat­ing circuit and one mixing circuit. Circulation pumps control, room temperature control and sliding return temperature limitation. Temperature control of DHW storage tank with internal heat exchanger. Frost protection and alarm function. The A275 application key contains applications related to ECL Comfort 310 for increased functionalities (mul­tiple boiler stages).
A375.1
S1
Danfoss
87H2179.10
S7
Example c
One boiler with 2 x burner ON / OFF control for a heating circuit. The boil­er circuit is equipped with a low loss header. * = Automatic by-pass valve.
A1
S3
P1
B2
S5
B1
*
A375.1
Example d
2 x boiler ON / OFF control for a heating circuit. The boiler circuit is equipped with a low loss header. * = Automatic by-pass valve.
A375.1
B1 B2
A1
S3
P1
S5
S3
*
A1
Danfoss
S7
Danfoss
Example e
Two boilers with 2 x burner ON / OFF control for a heating circuit. * = Automatic by-pass valve.
64
64
B2
B1
B4
B3
S5
P1
*
S7
A375.1
87H2181.10
ECL 310
S1
87H2182.10
S1
ECL 310
87H2186.10
S1
ECL 310
Example f
Up to 4 x boiler ON / OFF control for a heating circuit. * = Automatic by-pass valve.
A375.1
Example g
Up to 8 x boiler ON / OFF control for a heating circuit. * = Automatic by-pass valve.
B1 B4
B1 B8
S3
S5
S3
S5
+ ECA 32
A1
P1
P1
*
A1
*
Danfoss
S7
Danfoss
S7
A375.1
+ ECA 32
S3
Example h
Up to 8 x boiler ON / OFF control for a heating circuit. The rst boiler (high
B1
B2
B8
S5
A1
P1
*
eciency) has highest priority. * = Automatic by-pass valve.
Danfoss
S7
65
65
87H2187.10
S1
ECL 310
87H2188.10
S1
ECL 310
87H2189.10
S1
ECL 310
ECL Comfort 210/296/310 Application A275/A375
Weather compensated flow temperature control of 1-stage boiler based heating systems. One direct heat­ing circuit and one mixing circuit. Circulation pumps control, room temperature control and sliding return temperature limitation. Temperature control of DHW storage tank with internal heat exchanger. Frost protection and alarm function. The A275 application key contains applications related to ECL Comfort 310 for increased functionalities (mul­tiple boiler stages).
A375.1
Example i
Up to 8 x boiler ON / OFF control for a heating circuit. The rst two boilers (high eciency) have highest priority. * = Automatic by-pass valve.
A375.2
B1
B2 B3
B1 B8
A1
+ ECA 32
S3
B8
S5
S3
S5
P1
+ ECA 32
*
A1
P1
*
Danfoss
S7
Danfoss
S7
Example a
Up to 8 x boiler ON / OFF control for a heating circuit and a DHW circuit.
+ ECA 32
M2
P3
A1
S4
P4
S2
P1
*
* = Automatic by-pass valve.
A375.3
Example a
B1 B8
Up to 8 x boiler ON / OFF control for a direct heating circuit (1), a mixing cir-
S3
S5
cuit (2) and a DHW circuit (3). Optional
S6
P4
Danfoss
S8
S7
S6
DHW priority. * = Automatic by-pass valve.
66
66
P3
A375.4
Danfoss
87H1544.10
P1
S7
*
ECL 310
+ ECA 32
A1
S1
S3
S5
B1
1
S9
V1
Danfoss
87H1545.10
P1
S7
*
ECL 310
S1
S3
S5
B1
S6
P3
P4
S8
S2
S4
M2
+ ECA 32
A1
1
2
3
P5
S9
V1
Example a
Boiler ON / OFF or modulating con­trol for a heating circuit. S9 measures the static pressure. * = Automatic by-pass valve.
A375.5
Example a
Boiler ON / OFF or modulating con­trol for two heating circuits and one DHW circuit. S9 measures the static pressure. * = Automatic by-pass valve.
67
67
ECL Comfort 310 Application A319
Weather compensated control of flow temperature in a heating circuit, based on an advanced buffer temperature control. Charging pump P2 is speed controlled, based on 0 - 10 Volt or PWM signal. Discharging of buffer is avoided according to built-in logic. Differential pressure (S9) can be maintained by means of speed con­trolled circulation pump P3 (0 - 10 Volt or PWM). Optional sliding return temperature limitation. Relay output (X1) for buffer heating demand; override signal (S10) for remote setting of desired flow temperature. Alarm functions are related to flow temperatures.
A319.1
Example a
Indirectly connected charging system with 2 temperature sensors in buer. Heating system connected directly to buer.
A319.2
Example a
Indirectly connected charging system with 2 temperature sensors in buer. Heating system connected to buer via mixing valve.
68
68
ECL Comfort 310 Application A333
Weather compensated control of flow temperature in heating circuit. Sliding return temperature limitation. Control of one or two circulation pumps. Refill water func­tion for one or two pumps and refill water storage control. Pressure and temperature monitoring functions. Alarm function related to flow temperature, pressure and circulation pumps opera­tion.
A333.1
Example a
Indirectly connected heating system with control of two circulation pumps. Rell water function with control of two pumps.
A333.2
Example a
Indirectly connected heating system with control of two circulation pumps (ON / OFF and speed control). Rell water function with control of two pumps (ON / OFF and speed control). Rell water storage control.
A333.3
Example a
Indirectly connected heating system with control of two circulation pumps (ON / OFF and speed control). 0 - 10 V control of control valve M1. Rell water function with control of two pumps (ON / OFF and speed control). Rell water storage control.
69
69
ECL Comfort 310 Application A361
87H2002.10
ECL 310
Weather compensated control of ow temperature in two heating circuits. Sliding return temperature limitation. Control of one or two circulation pumps in each heating circuit. Optional control of ow temperature related to supply temperature. Rell water function. Alarm function related to ow temperature, pressure and circulation pumps operation.
A361.1
Example a
Indirectly connected heating sys­tems with two-pump control and rell water function.
A361.2
M1
M2
R6
S7
P
P1
S3
P2
S5
P4
S6
S10
V1
S4
V2
S8
P
P3
P5
S9
Danfoss
Example a
Indirectly connected heating systems with two-pump control and rell water function (supply temperature measurement gives further control / limitation possibilities).
70 70
ECL Comfort 310 Application A362
Danfoss
87H1755.10
S1
ECL 310
A1
+ ECA 32
V1
P5
S5
O2
S6
V2
O1
S2
V3 (0 - 10 V)
S10
S9
S7 S8 S15 S16
S3
S4
Danfoss
87H1754.10
S1
ECL 310
A1
+ ECA 32
V1
P1
S3
S5
O2
S4
S6
V2
P2
O1
S2
V3 (0 - 10 V)
S10
S9
S7
S8
S15
S16
Weather compensated control of flow temperature in a heating circuit, based on advanced cascade control of 2 heat exchangers (HEX). Control valve characteristics are taken into consideration and flow in unused HEX circuit can be stopped. Optional sliding return temperature limitation. Scheduled shift for inversed cascade (HEX-1 - HEX-2 and HEX-2 - HEX-1) can be set. Override inputs for start of HEX-1 and HEX-2 are available. M-Bus based signal can be used for flow / energy limitation. Up to 6 heat exchangers can be cascade controlled by 1, 2 or 3 ECL Comfort 310 controllers, each equipped with the ap­plication key A362; the ECL controllers are interconnected by means of the ECL 485 Bus. Alarm functions are related to flow
and flow temperatures.
A362.1
Example a
Indirectly connected system with 2 x HEX, each managed by means of a 0
- 10 Volt controlled motorized control valve (MCV). Each HEX circuit has its own circulation pump.
A362.1
Example b
Indirectly connected system with 2 x HEX, each managed by means of a 0 ­10 Volt controlled MCV. One circulation pump is common.
A362.1
Example c
Indirectly connected system with 2 x HEX, each managed by means of a 3-point controlled MCV with position feedback. Each HEX circuit has its own circulation pump, but a common circulation pump can be used.
S5
S6
ECL 310
+ ECA 32
A1
S3
P1
S9
S4
P2
S10
87H1756.10
Danfoss
71
71
S15 S16
V3 (0 - 10 V)
S2
S8
S7
O1
O2
S1
M1
S12 (0 - 10 V)
M2
S13 (0 - 10 V)
Danfoss
87H1757.10
S1
ECL 310
A1
+ ECA 32
V1
P1
S5
O2
S6
P2
O1
S2
V3 (0 - 10 V)
S10
S9
S7
S8
S15
S16
S12 (0 - 10 V)
M1
V2
S13 (0 - 10 V)
M2
S3
S4
ECL Comfort 310 Application A362
A362.1
Example d
Indirectly connected system with 2 x HEX, each managed by means of one 0 ­10 Volt controlled MCV and one 3-point controlled MCV with position feedback. Each HEX circuit has its own circulation pump, but a common circulation pump can be used.
72
72
73
73
ECL Comfort 310 Application A367
S1
ECL 310
S1
ECL 310
S1
ECL 310
P2 / M3
Weather compensated control of ow temperature in two heating circuits. Room tempera­ture compensation and sliding return temperature limitation. Heating circuits work inde­pendent in parallel or circuit 2 after circuit 1. Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limitation. DHW priority. Alarm function related to ow temperatures.
Danfoss
87H2073.11
S9
S7
A367.1
A1
S4
M2
S2
P5
Example a
Indirectly connected system with 2 heating circuits and secondarily con­nected DHW tank with internal heat exchanger (optional DHW priority).
A367.1
Example b
Indirectly connected system with 2 heating circuits and secondarily con­nected DHW tank with internal heat exchanger (DHW priority).
P1
S3
M1
S5
P2
A1
S4
M2
S2
S3
M1
S5
P5
P1
S6
S8
P3
Danfoss
87H2074.11
S9
S7
S6
S8
P3
Danfoss
A1
A367.1
S4
M2
S2
S3
M1
S5
P5
P1
87H2075.11
S9
S7
Example c
Indirectly connected system with 2 heating circuits and primarily con­nected DHW tank with internal heat exchanger (optional DHW priority).
74
74
P2 / M3
S6
S8
P3
A367.1
S1
ECL 310
S1
ECL 310
Example d
Indirectly connected system with 2 heating circuits (one connected as sub circuit) and secondarily connected DHW tank with internal heat exchang­er (optional DHW priority).
A367.1
Danfoss
M2
S3
M1
S5
P1
M2
A1
S4
P5
S2
P2
A1
S4
P5
S2
87H2076.11
S9
S7
S6
S8
P3
Danfoss
87H2077.11
S9
Example e
S3
M1
S5
P1
S7
Indirectly connected system with 2 heating circuits (one connected as sub circuit) and primarily connected DHW tank with internal heat exchanger (op-
P2 / M3
tional DHW priority).
S6
S8
P3
75
75
ECL Comfort 310 Application A367
S1
ECL 310
P2 / M3
S1
ECL 310
S1
ECL 310
Weather compensated control of ow temperature in two heating circuits. Room tempera­ture compensation and sliding return temperature limitation. Heating circuits work inde­pendent in parallel or circuit 2 after circuit 1. Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limitation. DHW priority. Alarm function related to ow temperatures.
Danfoss
87H2078.11
(S7)
(S7)
A367. 2
A1
S4
M2
S2
P5
Example a
Indirectly connected system with 2 heating circuits and secondarily con­nected DHW charging system (option­al DHW priority).
A367. 2
Example b
Indirectly connected system with 2 heating circuits and secondarily con­nected DHW charging system (DHW priority).
P1
S3
M1
S5
P2
S4
M2
S2
S3
M1
S5
P1
P5
S9
P4
A1
S9
P4
S6
P3
S8
Danfoss
87H2079.11
(S7)
(S7)
S6
P3
S8
Danfoss
M2
A367. 2
Example c
Indirectly connected system with 2 heating circuits (one connected as
S3
M1
S5
P1
S4
S2
sub circuit) and secondarily connect-
A1
P5
S9
ed DHW charging system (optional DHW priority).
76
76
P2
P4
87H2080.11
(S7)
(S7)
S6
P3
S8
ECL Comfort 310 Application A368
Weather compensated control of ow temperature in heating circuit. Sliding return tempera­ture limitation. Control of one or two circulation pumps. Optional control of ow temperature related to supply temperature. Rell water function for one or two pumps. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Control of one or two circulation pumps. Alarm function related to ow temperature, pressure and circulation pumps operation.
A368.1
Example a
Indirectly connected heating and DHW system with two-pump control and re­ll water function.
A368.2
Example a
Indirectly connected heating and DHW system with two-pump control and rell water function (supply tem­perature measurement gives further control / limitation possibilities).
A368.3
Example a
Indirectly connected heating and DHW system with two-pump control and rell water function. Pressure measure­ments in the system.
77
77
77
ECL Comfort 310 Application A368
Weather compensated control of ow temperature in heating circuit. Sliding return tempera­ture limitation. Control of one or two circulation pumps. Optional control of ow temperature related to supply temperature. Rell water function for one or two pumps. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Control of one or two circulation pumps. Alarm function related to ow temperature, pressure and circulation pumps operation.
A368.4
Example a
Indirectly connected heating and DHW system with two-pump control and rell water function. Supply tem­perature measurement gives further control / limitation possibilities. Pres­sure measurements in the system.
A368.5
Example a
Indirectly connected heating and DHW system with two circulation pump control and rell water func­tion with volume measurement. Monitoring of secondary return tem­peratures. Monitoring of pressures.
A368.6
Example a
Indirectly connected heating and DHW system with two circulation pump control and rell water func­tion. Monitoring of secondary return temperatures. Monitoring of pressure in heating circuit.
78
78
78
S1
87H2097.11
ECL 310
S1
ECL 310
S1
87H2099.11
ECL 310
ECL Comfort 310 Application A376
Weather compensated control of ow temperature in two heating circuits. Room tem­perature compensation and sliding return temperature limitation. Heating circuits work independent in parallel or circuit 2 after circuit 1. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Optional DHW tempera­ture control related to DHW ow detection. Alarm functions related to ow temperatures, pressures and extra alarm input. Optional control of motorized control valves by means of analog signal (0-10 volt).
A376.1
Example a
Indirectly connected heating and DHW system (typically district heating).
A376.1
A1
S3
M2
S5
M3
S10
M1
S6
S3
M2
S5
P2
S9
P3
S4
P1
A1
P2
Danfoss
S2
1
S7
2
3
Danfoss
87H2098.11
S2
1
M3
Example b
Indirectly connected heating and DHW system (typically district heating).
S9
P3
S10
S4
S7
2
Heating circuit 2 is connected as a sub-cir­cuit of heating circuit 1. Alternatively, heat­ing circuit 2 can be a oor heating circuit.
A376.2
Example a
M1
S6
P1
A1
S3
M2
S5
M3
S10
S7
P2
S9
P3
S4
3
Danfoss
(S2)
1
(S2)
2
Indirectly connected heating and DHW system with ow switch ((DHW heating on demand).
M1
S6
S8
P1
3
79
79
ECL Comfort 310 Application A376
S1
ECL 310
S1
ECL 310
Weather compensated control of ow temperature in two heating circuits. Room tem­perature compensation and sliding return temperature limitation. Heating circuits work independent in parallel or circuit 2 after circuit 1. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Optional DHW temperature control related to DHW ow detection. Alarm functions related to ow temperatures, pressures and extra alarm input. Optional control of motorized control valves by means of analog signal (0-10 volt).
A1
A376.2
Example b
Indirectly connected heating and DHW system with ow switch (DHW heating on demand). Heating circuit 2 is connected as a sub-circuit of heat­ing circuit 1. Alternatively, heating cir­cuit 2 can be a oor heating circuit.
M2
S5
S7
M1
S6
S3
P2
M3
S9
P3
S10
S4
S8
P1
(S2)
1
(S2)
2
3
Danfoss
87H2100.11
Danfoss
A1
A376.3
M2
S5
A
M3
S10
Example a
Indirectly connected heating and DHW system (typically district heating). Mo­torized control valves are controlled by means of analog signals (0–10 V).
A376.3
A
M1
S6
A
+ ECA 32
S3
P2
S9
P3
S4
P1
A1
87H2101.11
S2
1
S7
2
3
1
Example b
Indirectly connected heating and DHW system (typically district heat­ing). Motorized control valves are controlled by means of analog signals (0–10 V). Heating circuit 2 is connected as a sub-circuit of heating circuit 1. Al­ternatively, heating circuit 2 can be a oor heating circuit.
2
3
80
80
A376.4
S1
ECL 310
Danfoss
A1
S3
M2
S5
P2
S9
87H1430.11
S2
1
Example a
Indirectly connected system with 1 heating circuit, 1 directly DHW heating circuit and 1 directly DHW heating cir­cuit with ow switch (DHW heating on demand).
A376.9
Example a
Indirectly connected heating and DHW system with pressure transmitters and alarm input (typically district heating).
M3
S10
S7
M1
S4
S6
S8
P3
P1
2
3
81
81
81
S1
87H2104.11
ECL 310
ECL Comfort 310 Application A376
Weather compensated control of ow temperature in two heating circuits. Room tem­perature compensation and sliding return temperature limitation. Heating circuits work independent in parallel or circuit 2 after circuit 1. Flow temperature control in DHW circuit. Return temperature limitation. Sliding DHW priority possibility. Optional DHW temperature control related to DHW ow detection. Alarm functions related to ow temperatures, pressures and extra alarm input. Optional control of motorized control valves by means of analog signal (0-10 volt).
A376.9
Example b
Indirectly connected heating and DHW system with pressure transmit­ters and alarm input (typically district heating). Heating circuit 2 is connect­ed as a sub-circuit of heating circuit 1. Alternatively, heating circuit 2 can be a oor heating circuit.
A376.10
S12
S15S8 S16
A1
+ ECA 32
S3
M2
S5
S11
S4
M1
(S6)
M3
S6
P2
S7
S2
S9
P3
S14
S10
P1
Danfoss
1
2
3
Example a
Indirectly connected heating and DHW system with pressure transmit­ters and alarm input (typically district heating). Monitoring of secondary re­turn temperatures.
82
82
ECL Comfort 310 Application A377
S1
87H1521.10
ECL 310
S1
87H1522.10
ECL 310
S1
ECL 310
Weather compensated control of flow temperature in two heating circuits. Room temperature compensation and sliding return temperature limitation. Heating circuits work independent in parallel or circuit 2 after circuit 1. Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limitation. DHW priority. Optional temperature control of DHW heating temperature. Alarm function related to flow temperatures.
A377.1
Example a
Indirectly connected heating systems and DHW charging system (optional DHW priority).
A377.1
A1
S4
M3
S2
M2
S5
M1
S10
P5
S3
P2
S9
B
P4
M3
A1
S4
P5
S6
A
P3
S8
Danfoss
Danfoss
S2
S10
S3
P2
S9
B
P4
M3
S3
A1
S4
P5
S2
S6
A
P3
S8
Danfoss
87H2145.13
Example b
Indirectly connected heating systems and DHW charging system (optional DHW priority). Heating circuit 2 is con­nected as a sub-circuit of heating cir­cuit 1. Alternatively, heating circuit 2 can be a oor heating circuit.
A377.1
M2
S5
M1
Example c
Indirectly connected heating systems
(S9)
P2
S6
A
P3
S8
B
P4
83
83
and DHW charging system with pre­heating circuit control and optional DHW priority. Heating circuit 2 is con­nected as a sub-circuit of heating cir­cuit 1. Alternatively, heating circuit 2 can be a oor heating circuit.
M2
S5
S9
M1
S10
P1
87H2141.12
ECL 310
ECL 310
S1
87H2143.12
ECL Comfort 310 Application A377
Weather compensated control of flow temperature in two heating circuits. Room tem­perature compensation and sliding return temperature limitation. Heating circuits work independent in parallel or circuit 2 after circuit 1. Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limitation. DHW priority. Optional temperature control of DHW heat­ing temperature. Alarm function related to flow temperatures.
A377. 2
Example a
Indirectly connected heating systems and DHW charging system (optional DHW priority). Alternatively, heating circuit 2 can be a oor heating circuit. The DHW tank charging has adaptive and pre-controlled charging tempera­ture.
A377. 2
Example b
Indirectly connected heating systems and DHW charging system (optional DHW priority). Heating circuit 2 is connected as a sub-circuit of heating circuit 1. Alternatively, heating circuit 2 can be a oor heating circuit. The DHW tank charging has adaptive and pre-controlled charging temperature.
S1
A1
S4
M3
S2
S3
M2
S5
S3
M2
S5
P5
P2
M1
S9
P1
M3
S4
S2
M1
S9
P1 P4
S10
B
P4
A1
P5
P2
S10
B
S6
A
P3
S8
S6
A
P3
S8
Danfoss
Danfoss
84
84
S1
87H1516.10
ECL 310
A377. 2
S1
87H2142.12
ECL 310
M3
S2
A1
S4
P5
Danfoss
Example c
Indirectly connected system with heat­ing circuit and DHW tank charging cir­cuit with pre-controlled charging tem­perature. Optional DHW priority.
A377. 3
Example a
Indirectly connected heating systems and advanced DHW charging system (optional DHW priority). Monitoring of return temperature in DHW circula­tion.
S3
M2
S5
M1
S9
P1
M3
S2
M2
S5
M1
S10
S10
B
P4
A1
S4
P5
S3
P2
S9
B
P4
S6
A
P3
S8
Danfoss
S6
S8
A
P3
85
85
ECL Comfort 310 Application A390
Weather compensated control of ow temperature in heating circuits. Room temperature compensation and sliding re­turn temperature limitation. Heating circuits work independent in parallel or circuit 2 / 3 after circuit 1. Optional control of motorized control valves by means of analog signal, 0 - 10 volt, (A390.2 only). Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limita tion. Optional DHW priority. Flow temperature control of 3 cooling circuits with room temperature compensation and return temperature limitation. Cooling circuits work independent in parallel or circuit 2 and 3 after circuit 1. Alarm function related to ow temperatures.
A390.1
Example a
3 x indirectly connected heating sys­tems.
A390.1
Example b
3 x directly connected heating sys­tems.
A390.1
Example c
3 x indirectly connected heating sys­tems. Two heating circuits are sub­circuits.
86
86
Subtypes A390.3, A390.11, A390.12 and A390.13 have for the control valve 3-point outputs as well as 0 – 10 V outputs.
A390.2
Example a
3 x indirectly connected heating circuits. The actuators for the control valves are controlled by means of 0 - 10 Volt signal
A390.3
Example a
3 x indirectly connected cooling circuits. Cooling to the rooms can be an Air Handling Unit (AHU).
A390.3
Example b
3 x indirectly connected cooling circuits. Two cooling circuits are sub-circuits. Cooling to the rooms can be an Air Handling Unit (AHU).
87
87
87
ECL Comfort 310 Application A390
Weather compensated control of ow temperature in heating circuits. Room temperature compensation and sliding re­turn temperature limitation. Heating circuits work independent in parallel or circuit 2 / 3 after circuit 1. Optional control of motorized control valves by means of analog signal, 0 - 10 volt, (3 x heating circuits only). Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limita tion. Optional DHW priority. Flow temperature control of 3 cooling circuits with room temperature compensation and return temperature limitation. Cooling circuits work independent in parallel or circuit 2 and 3 after circuit 1. Alarm function related to ow temperatures.
A39 0.11
Example a
Three independent heating circuits. The heating circuits are indirectly con­nected. DHW charging circuit 4 is com­bined with circuit 1. Optional DHW priority.
A39 0.11
Example b
Three independent heating circuits. The heating circuits are indirectly con­nected. DHW heating circuit 4 is com­bined with circuit 1. Optional DHW priority.
A39 0.11
Example c
Three independent heating circuits. The heating circuits are indirectly con­nected. DHW heating circuit 4 is com­bined with circuit 1. DHW priority.
88
88
88
S1
87H2139.12
ECL 310
Subtypes A390.3, A390.11, A390.12 and A390.13 have for the control valve 3-point outputs as well as 0 – 10 V outputs.
A39 0.11
Example d
The heating circuits are indirectly con­nected. Two heating circuits are sub­circuits to heating circuit 1. DHW heating circuit 4 is combined with circuit 1. DHW priority.
A39 0.11
Example e
Three independent and indirectly con­nected heating circuits. DHW heating circuit 4 is directly heated.
A1
A390.12
M3
S2
S4
P5
S3
Danfoss
Example a
Two indirectly connected heating cir­cuits. One advanced DHW charging cir­cuit. Optional DHW priority.
M2
S5
S9
M1
S10
P1
P2
S7
B
P4
S6
A
P3
S8
89
89
89
S1
87H2140.12
ECL Comfort 310 Application A390
Weather compensated control of ow temperature in heating circuits. Room temperature compensation and sliding re­turn temperature limitation. Heating circuits work independent in parallel or circuit 2 / 3 after circuit 1. Optional control of motorized control valves by means of analog signal, 0 - 10 volt, (3 x heating circuits only). Temperature control in DHW circuit with storage tank, directly heated or charging system. Return temperature limita tion. Optional DHW priority. Flow temperature control of 3 cooling circuits with room temperature compensation and return temperature limitation. Cooling circuits work independent in parallel or circuit 2 and 3 after circuit 1. Alarm function related to ow temperatures.
A390.12
Example b
Two indirectly connected heating cir­cuits. Heating circuit 2 is a sub-circuit to heating circuit 1. One advanced DHW charging circuit. Optional DHW priority.
A390.13
ECL 310
M3
S3
M2
S5
S9
M1
S10
P1
A1
S4
P5
S2
P2
S7
B
P4
S6
A
P3
S8
Danfoss
Example a
Two indirectly connected heating cir­cuits and one DHW charging circuit. Always DHW charging priority.
A390.13
Example b
Two indirectly connected heating cir­cuits and one DHW heating circuit. Al­ways DHW heating priority.
90
90
90
ECL Comfort Master/slave applications
Example showing connections between ECL 210 / 296 / 310 via the ECL 485 bus. Only one outdoor temperature sensor is needed and is connected to the master. Via the ECL 485 bus the master broadcasts to other ECL 210 / 296 / 310 (slaves):
- Outdoor temperature signal
- Time and date
- DHW heating activity
Master/slave system 1
In this example the master is an A266 application. The slaves are applica­tions A237 and A260.
91
91
Example showing ECL 210 / 296 / 310 as master, controlling the main heat supply. Outdoor temperature signal, time, date and DHW heating activity signals are broadcast­ed to the slaves (other ECL 210 / 296 / 310). Slaves having an address can for each circuit send its desired ow temperature to the master. The master ensures that the highest demand from the slaves is fulllled. Each circuit in the slaves can be set to close when DHW heating activity is present in the master in order to prioritize the DHW heating.
Master/slave system 2
In this example the master is an A230 application. The slaves are applica­tions A260 and twice A247.
92
92
ECL Comfort Code numbers
ECL Comfort controllers
Typ e Designation Code no.
ECL Comfort 110
ECL Comfort 110
ECL Comfort 110 w. timer program
ECL Comfort 110 w. timer program
ECL Comfort 210
ECL Comfort 210B
ECL Comfort 296
ECL Comfort 310
ECL Comfort 310
ECL Comfort 310B
Universal hardware – 230 V a.c. (base part is included)
Universal hardware – 24 V a.c. (base part is included)
Universal hardware – 230 V a.c. (base part is included)
Universal hardware – 24 V a.c. (base part is included)
Universal hardware – 230 V a.c. (base part is not included).
Universal hardware – 230 V a.c. (base part is not included). Without display and dial. Requires a remote control unit, ECA 30 or ECA 31.
Universal hardware – 230 V a.c. (base part is not included). Dimension (L x H): 144 x 96 mm
Universal hardware – 230 V a.c. (base part is not included).
Universal hardware – 24 V a.c. (base part is not included).
Universal hardware – 230 V a.c. (base part is not included). Without display and dial. Requires a remote control unit, ECA 30 or ECA 31.
08 7B1261
08 7B1251
087B1262
08 7B1252
087H3020
087H3030
087H3000
087H3040
087H3044
087H3050
ECL Comfort accessories
Typ e Designation Code no.
ECL Comfort 210/210 B base part For mounting on wall or DIN rail (35 mm “top hat” type). 087H3220
ECL Comfort 296 base part For mounting on wall or DIN rail (35 mm “top hat” t ype). 087H3240
ECL Comfort 296 panel kit
ECL Comfort 310/310 B base part
ECA 30
ECA 31
ECA 30/31 frame kit for mounting in panel front
ECA 32
ECA 35
ECA 99 230 V a.c. to 24 V a.c. transformer (35 VA). 087 B115 6
ECA 110 Timer module for ECL Comfort 110 (the code no.s 087B1251 and 087B1261) 08 7B1248
DLG
For mounting in a panel cut-out (138 x 92 mm). Contains 2 x terminal blocks and clamps.
For mounting on wall or DIN rail (35 mm “top hat” t ype). Has space for the extension module ECA 32 or ECA 35. ECL Comfort 210 can be mounted in an ECL Comfort 310 base part (for future upgrade).
Remote control unit for ECL 210 / 210 B / 296 / 310 / 310 B with integrated room temp. sensor. Possibility for connecting an external room temp. sensor (base par t for mounting on wall included).
Remote control unit for ECL 210 / 210 B / 296 / 310 / 310 B w. integrated ro om temp. sensor and relative humidity sensor. Possibility for connecting an external room temp. sensor. Base part included.
For mounting in a cut-out. Format 144 x 96 mm, actual cut-out 138 x 92 mm.
Internal I/O extension module for ECL Comfort 310. Analog outputs. To be inserted in the ECL 310 base part.
Internal I/O extension module for ECL Comfort 310. Analog and PWM outputs. To be inserted in the ECL 310 base part.
Danfoss Link Gateway. Communication between ECL Comfor t 110 and Danfoss Living Connec t thermostats.
087H3242
087H3230
087H3200
087H3201
087H3236
087H3202
087H3205
087H3241
93
93
ECL Comfort Code numbers
ECL Comfort 110 instructions
Typ e English Danish Swedish
116 087B 8151 0 87B8153 087B 8155
130 087B8152 087B 8154 0 87B8156
Safety thermostats
Typ e Designation Code no.
ST-1
ST-2 Thermostat (TR) and safety limit (STB) with manual reset 087N1051
Sensor pocket
Thermostat (TR) and safety monitor (ST W) with automatic reset
For ST-1 and ST-2 08 7N1201
087N1050
Temperature sensors for ECL Comfort controllers
Typ e Designation Code no.
ESMT
ESM-10
ESM-11
Outdoor temperature sensor
Room temperature sensor
Pipe surface temperature sensor
08 4N1012
087 B116 4
087 B116 5
ES MB-12
ESMC
ESMU-100
ESMU-250
ESMU -100
ESMU-250
Pocket 100 mm
Pocket 250 mm
Pocket 100 mm
Pocket 250 mm
Universal temperature sensor with 2.5 m cable
Pipe surface temperature sensor
Immersion sensor, 100 mm, copper
Immersion sensor, 250 mm, copper
Immersion sensor, 100 mm, stainless steel
Immersion sensor, 250 mm, stainless steel
stainless steel, for ESMU-100, copper
stainless steel, for ESMU-250, copper
stainless steel, for ESMB-12
stainless steel, for ESMB-12
087 B118 4
087 N0 011
087B1180
087 B1181
087 B118 2
087 B118 3
087 B119 0
087 B1191
087 B119 2
087B1193
94
94
ECL Comfort Additional accessories
Differential pressure switch and Alarm pressure switches
Typ e Differential pressure range Electrical contact type Code no.
Differential pressure switch, Danfoss type
RT 262A
Alarm pressure switch BCP
Alarm pressure switch KPI 35
* depending on application (control, high limiter, low limiter) and pressure range
0,1 - 1,5 bar
- SPDT - gold
0,2 - 8 bar SPDT - silver/gold
Comparison
ECL 110 ECL 210 ECL 296 ECL 310
Flow / energy limitation
M-bus
TCP / IP (Internet)
24 Volt a.c.
Inputs, temp. sensor (Pt 1000)
Inputs, 0 - 10 V
X
max. 4 max. 8 max. 8
max. 2 max. 2
SPDT - silver SPDT - gold available on request
X X
017D002566 (silver)
*
060-121766 (silver) 060-504766 (gold)
X
X
X
X
X
X
max. 10
max. 4
Inputs, digital
Inputs, ECA 32
Inputs, ECA 35
Pulse inputs, ECA 32 / 35 2
Outputs, 0 - 10 V 3 (ECA 32 / 35)
Outputs, PWM 4 (ECA 35)
Relay outputs, max.
Relay outputs, ECA 32 / 35 4 (2 x CO and 2 x NC)
Integration w. Danfoss Link
Dimensions, front (L x H mm)
Optional panel mounting
TM
1 4 4
DLG
148 x 104 220 x 110 144 x 96
yes no yes
max. 2 max. 2
max. 4
max. 6 (Pt 1000 / digital /
0 - 10 V)
max. 2 (Pt 1000 / digital /
0 - 10 V)
6
220 x 110
no
95
95
ECL Comfort application keys and languages
ECL Comfort 210 + 296 + 310 Application keys
Application type Code no.
A214 also covering A314 087H 3811
A217 also covering A317 087H3807
A230 087H3802
A231 also covering A331 087H3805
A232 also covering A332 087H 3812
A237 also covering A337 087H3806
A247 also covering A347 087H3808
Application keys Available languages
Languages
Bulgarian Italian
Croatian Latvian
Czech Lithuanian
Danish Polish
Dutch Romanian
English Russia
Estonian Serbian
A260 087H3801
A266 087H3800
A275 also covering A375 0 87H3814
A319 087H3847
A333 087H 3818
A361 087H3804
A362 087H3845
A367 0 87H3813
A368 087H3803
A376 087H3810
Finnish Slovak
French Slovenian
German Spanish
Hungarian Swedish
Please visit
www.ecl.doc.danfoss.com
and find all relevant documentation for the ECL Comfort series
A377 087 H3817
A390 087H3 815
96
96
High performance made easy
The ECL Comfort controller is designed to function as the intelligent hub of a heating system or a district heating substation. The ECL Comfort controller is designed and developed with your needs in mind and incorporates a range of features that enable you to achieve high performance.
Clever communication
The ECL Comfort 296 and 310 offer state-of-the-art options for communi­cation interfaces, such as Modbus, M­Bus and USB for service purposes. The application range of the ECL Comfort 310 can be extended with the module ECA 32.
Automatic setup of DHW parameters
With advanced ECL Auto Tuning, con­trol parameters for domestic hot wa­ter production can be configured and optimised automatically, ensuring both higher comfort and additional energy savings.
Tap Water T (°C)
Faster installation
Improved cable connectors and more space for wiring ensure fast and trouble free installation of the ECL Comfort controller in the system.
Longer lifetime
The ECL Comfort controllers feature a unique motor protection function, which prevents instability in the sys­tem, thus protecting acutators and control valves against unnecessary ac­tivity. This results in up to 25% longer lifetime of these components.
97
Easy interaction
The ECL Comfort controller has a large display with graphic text and a back­light. Supported by intuitive menu navigation, turn/push dial and the set­up wizard, this makes the interaction straightforward.
97
Easy, Eective, ECL
Danfoss A/S · Danfoss Heating Segment · DK-6430 Nordborg · Denmark
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Danf This also applies to produc All trademarks in this material are proper
Access your ECL controllers via PC or smartphone
The ECL Portal application for the electronic controller ECL Comfort 310 is an easy-to-use SCADA tool for control of your district heating sys­tem. ECL Portal enables you to streamline service, commission­ing and maintenance – directly from your PC or smartphone, wherever you are.
Increase your service levels and reduce costs with 24/7 access and control and get a complete overview of energy consumption data, temperatures and ow. The result is optimum performance and actual en­ergy savings.
Real benets, real savings
The ECL Portal allows you to:
 Increase long-term system performance  Gain a higher level of awareness and transparency of
the energy consumption
 Improve service level and reduce response time to
alarms  Do troubleshooting without having to visit the heating system
Feel free to contact us or visit www.ecl.portal.danfoss.com for further information.
el.: +45 74 88 22 22 · Email: heating@danfoss.com · www.heating.danfoss.com
oss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice.
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ts already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed.
ty of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
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