Danfoss P348 Operating guide
Operating Guide
ECL Comfort 310, application P348
1.0 Table of Contents
1.0 |
Table of Contents ............................................... |
1 |
1.1 |
Important safety and product information. . . . . . . . . . . . . . . . . . . . |
. 2 |
2.0 |
Installation ........................................................ |
6 |
2.1 |
Before you start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 6 |
2.2 |
Identifying the system type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
12 |
2.3 |
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
13 |
2.4 |
Placing the temperature sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
17 |
2.5 |
Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
19 |
2.6 |
Inserting the ECL Application Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
26 |
2.7 |
Check list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
32 |
2.8 |
Navigation, ECL Application Key P348 . . . . . . . . . . . . . . . . . . . . . . . . . |
33 |
3.0 |
Daily use ......................................................... |
38 |
3.1 |
How to navigate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
38 |
3.2 |
Understanding the controller display . . . . . . . . . . . . . . . . . . . . . . . . . . |
39 |
3.3 |
A general overview: What do the symbols mean? . . . . . . . . . . . |
43 |
3.4Monitoring temperatures and system
components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.5 Influence overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 3.6 Manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.7 Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
4.0 |
Settings overview ............................................ |
48 |
5.0 |
Settings........................................................... |
51 |
5.1 |
Introduction to Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 51 |
5.2 |
Flow temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 52 |
5.3 |
Room limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 55 |
5.4 |
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 58 |
5.5 |
Flow / power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 64 |
5.6 |
Optimization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 68 |
5.7 |
Control parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 74 |
5.8 |
Flow meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 80 |
5.9 |
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 82 |
5.10 |
Heat cut-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 90 |
5.11 |
Tank temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 93 |
5.12 |
Anti-bacteria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 96 |
5.13 |
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 98 |
5.14 |
Alarm overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
102 |
6.0 Common controller settings............................ |
103 |
6.1 Introduction to ‘Common controller settings’ . . . . . . . . . . . . . . 103 6.2 Time & Date. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 6.3 Input overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 6.4 Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 6.5 Output override. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 6.6 Key functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 6.7 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
7.0 Miscellaneous................................................ |
117 |
7.1 ECA 30 / 31 setup procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 7.2 Override function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 7.3 Several controllers in the same system . . . . . . . . . . . . . . . . . . . . . . 128 7.4 Frequently asked questions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 7.5 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 7.6 Type (ID 6001), overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 7.7 Parameter ID overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
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Operating Guide ECL Comfort 310, application P348
1.1 Important safety and product information
1.1.1 Important safety and product information
This Operating Guide is associated with the ECL Application Key P348 (code no. 087H3843).
The ECL Application Key P348 contains one subtype, P348.1, which is a heating and an advanced Domestic Hot Water (DHW) application.
See the Installation Guide for electrical connections.
Described functions are realized in ECL Comfort 310 which also allows M-bus, Modbus and Ethernet (Internet) communication. The Application Key P348 complies with ECL Comfort 310 controllers as of firmware version 1.11. The firmware (controller software) is visible at start-up of the controller and in 'Common controller settings' in 'System'.
Up to two Remote Control Units, ECA 30 or ECA 31, can be connected.
The application P348 works with additional Internal I/O modules:
•The extension module ECA 32 gives 0 - 10 Volt signal for speed control of DHW related charging and circulation pump.
•The extension module ECA 35 gives 0 - 10 Volt signal for speed control of DHW related charging and circulation pump. ECA 35 can also give PWM* signal for speed control of the listed pumps.
A circulation pump can be considered as a circulator too.
The ECL Comfort 310 works with either one ECA 32 or one ECA 35. The Internal I/O module in question is placed in the base part of the ECL Comfort 310.
* PWM = Pulse Width Modulation
Together with the ECL Comfort 310 the additional Internal I/O modules can also be used for extra data communication to SCADA:
•Temperature, Pt 1000 (default)
•0 - 10 volt signals
•Digital input
The set-up of input type can be done by means of the Danfoss Software "ECL Tool".
Navigation: Danfoss.com > Products & Solutions > Products > District Heating and Cooling > Documentation > Tools & Software > ECL Tool.
The URL is: https://www.danfoss.com/en/service-and-support/downloads
ECL Comfort 310 is available as:
•ECL Comfort 310, 230 volt a.c. (code no. 087H3040)
•ECL Comfort 310B, 230 volt a.c. (code no. 087H3050)
•ECL Comfort 310, 24 volt a.c. (code no. 087H3044)
The B-type has no display and dial.
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Operating Guide ECL Comfort 310, application P348
The B-type is operated by means of the remote control unit
ECA 30 / 31:
•ECA 30 (code no. 087H3200)
•ECA 31 (code no. 087H3201)
Internal I/O modules:
•ECA 32 (code no. 087H3202)
•ECA 35 (code no. 087H3205)
Base part for ECL Comfort 310, 230 volt and 24 volt: Code no. 087H3230.
Additional documentation for ECL Comfort 210 and 310, modules and accessories is available on http://heating.danfoss.com/.
Safety Note
To avoid injury of persons and damages to the device, it is absolutely necessary to read and observe these instructions carefully.
Necessary assembly, start-up, and maintenance work must be performed by qualified and authorized personnel only.
Local legislations must be respected. This comprises also cable dimensions and type of isolation (double isolated at 230 V).
A fuse for the ECL Comfort installation is max. 10 A typically.
The ambient temperature ranges for ECL Comfort in operation are:
ECL Comfort 210 / 310: 0 - 55 °C
ECL Comfort 296: 0 - 45 °C.
Exceeding the temperature range can result in malfunctions.
Installation must be avoided if there is a risk for condensation (dew).
The warning sign is used to emphasize special conditions that should be taken into consideration.
This symbol indicates that this particular piece of information should be read with special attention.
Application keys might be released before all display texts are translated. In this case the text is in English.
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Operating Guide ECL Comfort 310, application P348
Automatic update of controller software (firmware):
The software of the controller is updated automatically when the key is inserted (as of controller version 1.11 (ECL 210 / 310) and version 1.58 (ECL 296)). The following animation will be shown when the software is being updated:
Progress bar
During update:
•Do not remove the KEY
If the key is removed before the hour-glass is shown, you have to start afresh.
•Do not disconnect the power
If the power is interrupted when the hour-glass is shown, the controller will not work.
•Manual update of controller software (firmware):
See the section "Automatic / manual update of firmware"
As this Operating Guide covers several system types, special system settings will be marked with a system type. All system types are shown in the chapter: 'Identifying your system type'.
°C (degrees Celsius) is a measured temperature value whereas K (Kelvin) often is used for temperature differences.
The ID no. is unique for the selected parameter.
Example |
First digit |
Second digit |
Last three digits |
|
|
|
|
11174 |
1 |
1 |
174 |
|
|
|
|
|
- |
Circuit 1 |
Parameter no. |
|
|
||
|
|
|
|
|
|
|
|
12174 |
1 |
2 |
174 |
|
|
|
|
|
- |
Circuit 2 |
Parameter no. |
|
|
||
|
|
|
|
|
|
|
|
If an ID description is mentioned more than once, it means that there are special settings for one or more system types. It will be marked with the system type in question (e.g. 12174 - A266.9).
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Operating Guide ECL Comfort 310, application P348
Parameters indicated with an ID no. like "1x607" mean a universal parameter.
x stands for circuit / parameter group.
Disposal Note
This product should be dismantled and its components sorted, if possible, in various groups before recycling or disposal.
Always follow the local disposal regulations.
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Operating Guide ECL Comfort 310, application P348
2.0 Installation
2.1 Before you start
The ECL application key P348 contains one subtype, P348.1.
This application for heating temperature control and advanced DHW temperature control is very flexible.
The heating circuit:
P348.1, ex. a shows two radiator circuits in parallel, each circuit with its own return temperature sensor for monitoring purpose. P348.1, ex. b shows one radiator circuit with its own return temperature sensor for monitoring purpose.
P348.1, ex. c shows two radiator circuits in parallel, each circuit with its own return temperature sensor for monitoring purpose. P348.1, ex. d shows one radiator circuit with its own return temperature sensor for monitoring purpose.
Temperature control of heating circuit:
The flow temperature is adjusted according to your requirements. The flow temperature sensor S3 is the most important sensor and must be connected. Desired flow temperature at S3 is calculated in the ECL controller, based on the outdoor temperature S1 and the desired room temperature.
In general, the lower the outdoor temperature, the higher the desired flow temperature.
By means of a week schedule, the heating circuit can be in ‘Comfort’ or ‘Saving’ mode (two values for the desired room temperature). In Saving mode the heating can be reduced or switched off totally.
The motorized control valve M2 is opened gradually when the flow temperature is lower than the desired flow temperature and vice versa.
The return temperature S5 can be limited, for example not to be too high. If so, the desired flow temperature at S3 can be adjusted (typically to a lower value), which results in a gradual closing of the motorized control valve. Furthermore, the return temperature limitation can be dependent on the outdoor temperature. Typically, the lower the outdoor temperature, the higher the accepted return temperature.
In boiler-based heating supply the return temperature should not be too low (same adjustment procedure as above).
If the measured room temperature (via ECA 30 / 31) does not equal the desired room temperature, the desired flow temperature can be adjusted.
The circulation pump, P2, is ON at heat demand or at frost protection.
The heating can be switched OFF when the outdoor temperature is higher than a selectable value.
Return temperature sensors S11 and S12 are used for monitoring purpose only.
Pressure sensors S15 and S16 are used for monitoring purpose. Furthermore, an alarm can be activated if the pressure gets higher than a set value or lower than another set value.
P348.1, ex. a, heating (circuits A and B) and DHW temperature control. Pumps in DHW circuit can be 0 – 10 Volt controlled.
The shown diagram is a fundamental and simplified example and does not contain all components that are necessary in a system.
All named components are connected to the ECL Comfort controller.
List of components:
ECL 310 |
ECL Comfort 310 controller |
ECA 32 |
Built-in extension module, 0 - 10 V outputs for |
|
pump speed control |
S1 |
Outdoor temperature sensor |
S2 |
Supply temperature sensor |
S3 |
(mandatory) Flow temperature sensor, circuit 1 |
S4 |
(mandatory) DHW flow temperature sensor, circuit |
|
2 |
S5 |
Return temperature sensor, circuit 1 |
S6 |
(mandatory) Upper buffer temperature sensor |
S7 |
Buffer flow temperature sensor |
S8 |
Lower buffer temperature sensor |
S9 |
DHW circulation return temperature sensor |
S10 |
Buffer return temperature sensor |
S11 |
Return temperature sensor, circuit 1 A |
S12 |
Return temperature sensor, circuit 1 B |
S15 |
Supply return pressure sensor |
S16 |
Supply flow pressure sensor |
F1 |
Flow meter (signal type: Pulse) |
P1 |
DHW buffer charging pump (ON-OFF controlled) |
V1 |
Speed control of DHW buffer charging pump (0 - |
|
10 V) |
P2 |
Circulation pump (ON-OFF controlled), circuit 1 |
P3 |
DHW circulation pump (ON-OFF controlled) |
V3 |
Speed control of DHW circulation pump (0 - 10 V) |
M1 |
Motorized control valve (ON-OFF controlled) |
M2 |
Motorized control valve (3-point controlled) |
A1 |
Alarm |
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Operating Guide ECL Comfort 310, application P348
A connected flow or energy meter based on M-bus signal can limit the flow or energy to a set maximum value. Furthermore, the limitation can be in relation to the outdoor temperature. Typically, the lower the outdoor temperature, the higher the accepted flow / power.
The frost protection mode maintains a selectable flow temperature, for example 10 °C.
The heating circuit can act as master and via the ECL 485 communication bus fulfil the heat demand from slave circuits.
Exercise of circulation pump and control valve in periods without heating demand can be arranged.
The DHW (Domestic Hot Water) circuit:
P348.1, ex. a and P348.1, ex. b run with the extension module ECA 32 only. This allows for speed control by means of voltage signal of charging pump P1 / V1 and circulation pump P3 / V3.
P348.1, ex. c and P348.1, ex. d can run with the extension module ECA 32 (speed control (by means of voltage signal) of the pumps P1 / V1 and P3 / V3) — or run with the extension module ECA 35 for speed control (by means of voltage or PWM signal) of the pumps P1 / V1 and P3 / V3.
Temperature control of buffer:
The desired DHW temperature at S4 determines the buffer charging procedure. The DHW temperature sensor S4 and upper buffer temperature sensor S6 are the most important sensors and must be connected.
The desired buffer temperature at S6 is based on the desired DHW temperature at S4 and a set "Demand offset" (= Charging difference).
P4 has an ON / OFF function. M1 follows P4 to be either fully open or fully closed.
Start buffer charging process:
1.Buffer temperature S6 temperature gets lower than ('Desired DHW temperature' + 'Demand offset' + 'Start diff.').
An example: 60 °C + 6 K + (-2 K) = 64 °C
2.P4 is switched ON; M1 is commanded to open
P348.1, ex. b, heating (circuit A) and DHW temperature control. Pumps in DHW circuit can be 0 – 10 Volt controlled.
The shown diagram is a fundamental and simplified example and does not contain all components that are necessary in a system.
All named components are connected to the ECL Comfort controller.
List of components:
ECL 310 |
ECL Comfort 310 controller |
ECA 32 |
Built-in extension module, 0 - 10 V outputs for |
|
pump speed control |
S1 |
Outdoor temperature sensor |
S2 |
Supply temperature sensor |
S3 |
(mandatory) Flow temperature sensor, circuit 1 |
S4 |
(mandatory) DHW flow temperature sensor, circuit |
|
2 |
S5 |
Return temperature sensor, circuit 1 |
S6 |
(mandatory) Upper buffer temperature sensor |
S7 |
Buffer flow temperature sensor |
S8 |
Lower buffer temperature sensor |
S9 |
DHW circulation return temperature sensor |
S10 |
Buffer return temperature sensor |
S11 |
Return temperature sensor, circuit 1 A |
S15 |
Supply return pressure sensor |
S16 |
Supply flow pressure sensor |
F1 |
Flow meter (signal type: Pulse) |
P1 |
DHW buffer charging pump (ON-OFF controlled) |
V1 |
Speed control of DHW buffer charging pump (0 - |
|
10 V) |
P2 |
Circulation pump (ON-OFF controlled), circuit 1 |
P3 |
DHW circulation pump (ON-OFF controlled) |
V3 |
Speed control of DHW circulation pump (0 - 10 V) |
M1 |
Motorized control valve (ON-OFF controlled) |
M2 |
Motorized control valve (3-point controlled) |
A1 |
Alarm |
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Operating Guide ECL Comfort 310, application P348
Stop buffer charging process:
1.a
S6 connected and 'Stop diff.' has a negative value
Buffer temperature S6 temperature gets higher than ('Desired DHW temperature' + 'Demand offset').
An example: 60 °C + 6 K = 66 °C
1.b
S6 connected and 'Stop diff.' has a positive value:
Buffer temperature S6 temperature gets higher than ('Desired DHW temperature' + 'Demand offset' + 'Stop diff.').
An example: 60 °C + 6 K + 4 K = 70 °C
1.c
S6 and S8 connected and 'Stop diff.' has a negative value:
Buffer temperature S6 temperature gets higher than ('Desired DHW temperature' + 'Demand offset') AND S8 temperature gets higher than ('Desired DHW temperature' + 'Demand offset' + 'Stop diff.').
An example: S6 higher than (60 °C + 6 K = 66 °C) AND S8 higher than (60 °C + 6 K + (-8 K) = 58 °C).
1.d
S6 and S8 connected and 'Stop diff.' has a positive value:
Buffer temperature S6 temperature gets higher than ('Desired DHW temperature' + 'Demand offset') AND S8 temperature gets higher than ('Desired DHW temperature' + 'Demand offset' + 'Stop diff.').
An example: S6 higher than (60 °C + 6 K = 66 °C) AND S8 higher than (60 °C + 6 K + (8 K) = 74 °C).
2. P4 is switched OFF; M1 is commanded to close
P348.1, ex. c, heating (circuits A and B) and DHW temperature control. Pumps in DHW circuit can be 0 – 10 Volt or PWM controlled.
The shown diagram is a fundamental and simplified example and does not contain all components that are necessary in a system.
All named components are connected to the ECL Comfort controller.
List of components:
ECL 310 |
ECL Comfort 310 controller |
ECA 32 |
Built-in extension module, 0 - 10 V outputs for |
|
pump speed control |
ECA 35 |
Built-in extension module, 0 - 10 V outputs and |
|
PWM outputs for pump speed control |
S1 |
Outdoor temperature sensor |
S2 |
Supply temperature sensor |
S3 |
(mandatory) Flow temperature sensor, circuit 1 |
S4 |
(mandatory) DHW flow temperature sensor, circuit |
|
2 |
S5 |
Return temperature sensor, circuit 1 |
S6 |
(mandatory) Upper buffer temperature sensor |
S7 |
Buffer flow temperature sensor |
S8 |
Lower buffer temperature sensor |
S9 |
DHW circulation return temperature sensor |
S10 |
Buffer return temperature sensor |
S11 |
Return temperature sensor, circuit 1 A |
S12 |
Return temperature sensor, circuit 1 B |
F1 |
Flow meter (signal type: Pulse) |
P1 |
DHW buffer charging pump (ON-OFF controlled) |
V1 |
Speed control of DHW buffer charging pump (0 - |
|
10 V) |
P2 |
Circulation pump (ON-OFF controlled), circuit 1 |
P3 |
DHW circulation pump (ON-OFF controlled) |
V3 |
Speed control of DHW circulation pump (0 - 10 V) |
M1 |
Motorized control valve (ON-OFF controlled) |
M2 |
Motorized control valve (3-point controlled) |
A1 |
Alarm |
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Operating Guide ECL Comfort 310, application P348
Temperature control of DHW:
The desired DHW temperature at S4 determines the temperature control.
By means of a week schedule (up to 3 'Comfort' periods / day), the DHW circuit can be in 'Comfort' or 'Saving' mode (two different temperature values for the desired DHW temperature at S4).
The DHW flow temperature sensor S4 and the DHW circulation return temperature sensor S9 are the most important sensors and must be connected. If S4 is not connected, the control pump P1 / V1 will stop. If S9 is not connected, the DHW circulation pump will operate at 100 % speed.
The control pump P1 / V1 is gradually increased in speed when the DHW flow temperature is lower than the desired DHW temperature and vice versa.
The supply temperature S7 is used to compensate the proportional band Xp in order to improve the temperature control at different supply temperatures.
Temperature control of the DHW circulation pipe at S9 ensures the desired temperature by means of speed control of P3 / V3.
A week schedule (up to 3 'Comfort' periods / day) controls the DHW circulation pump to be ON or OFF. If in OFF mode, the DHW temperature control will be disabled.
The cold water flow signal from F1 can be used to override the control valve in order to optimize the DHW temperature control. This pro-active functionality compensates for the delay before the flow temperature sensor S4 measures a change in temperature. An anti-bacteria function for the DHW circuit is available for activation on selected days of the week. The anti-bacteria function can be set to include the DHW circulation.
P348.1, ex. d, heating (circuit A) and DHW temperature control. Pumps in DHW circuit can be 0 – 10 Volt or PWM controlled.
The shown diagram is a fundamental and simplified example and does not contain all components that are necessary in a system.
All named components are connected to the ECL Comfort controller.
List of components:
ECL 310 |
ECL Comfort 310 controller |
ECA 32 |
Built-in extension module, 0 - 10 V outputs for |
|
pump speed control |
ECA 35 |
Built-in extension module, 0 - 10 V outputs and |
|
PWM outputs for pump speed control |
S1 |
Outdoor temperature sensor |
S2 |
Supply temperature sensor |
S3 |
(mandatory) Flow temperature sensor, circuit 1 |
S4 |
(mandatory) DHW flow temperature sensor, circuit |
|
2 |
S5 |
Return temperature sensor, circuit 1 |
S6 |
(mandatory) Upper buffer temperature sensor |
S7 |
Buffer flow temperature sensor |
S8 |
Lower buffer temperature sensor |
S9 |
DHW circulation return temperature sensor |
S10 |
Buffer return temperature sensor |
S11 |
Return temperature sensor, circuit 1 A |
F1 |
Flow meter (signal type: Pulse) |
P1 |
DHW buffer charging pump (ON-OFF controlled) |
V1 |
Speed control of DHW buffer charging pump (0 - |
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10 V) |
P2 |
Circulation pump (ON-OFF controlled), circuit 1 |
P3 |
DHW circulation pump (ON-OFF controlled) |
V3 |
Speed control of DHW circulation pump (0 - 10 V) |
M1 |
Motorized control valve (ON-OFF controlled) |
M2 |
Motorized control valve (3-point controlled) |
A1 |
Alarm |
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Operating Guide ECL Comfort 310, application P348
P348, in general
Up to two Remote Control Units, ECA 30 / 31, can be connected to one ECL controller in order to control the ECL controller remotely.
Additional ECL Comfort controllers can be connected via the ECL 485 bus in order to utilize common outdoor temperature signal, time and date signals.
The ECL controllers in the ECL 485 system can work in master - slave system.
When connecting an override switch or a relay contact to an unused input the ECL 310's schedule can be overridden to:
•Comfort mode
•Saving mode
•Frost protection mode or
•Constant temperature mode (keeping a set desired flow temperature).
Modbus communication to a SCADA system can be established.
Heat-meters:
Up to 5 heat-meters can be connected to the M-bus terminals. M-bus data can be transferred to the SCADA system via Modbus and TCP / IP to the ECL Portal.
Alarm A1 (= relay 6) can be activated if:
•The actual flow temperature differs from the desired flow temperature.
•If a temperature sensor or its connection disconnects / short circuits. (See: Common controller settings > System > Raw input overview).
A measured temperature can be offset adjusted, if needed.
10 | © Danfoss | 2018.11 |
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Operating Guide ECL Comfort 310, application P348
PWM (Pulse Width Modulation)
A 200 Hz frequency is applied to the PWM controlled pump. The duty cycle (the percentage of the period time) determines the pump speed.
Pump speed, PWM or 0 – 10 Volt controlled
Some types of speed controlled pumps are limited to a minimum speed, for example 30 % (PWM or 3.0 Volt). Even if the applied control % gets lower than 30 %, the pump speed remains on the minimum level *.
Furthermore, when the applied control % gets below, for example, 10 %, the pump switches OFF. In order to get the pump switched ON again, the applied control % must exceed 20 %.
This behavior can, at low load or a too big pump, cause unstable temperature regulation. To avoid this, the P348 has a function where the applied control signal is converted into a pulsed signal. The pump is shortly stopped and then started again. The result is a pump speed control also below the minimum speed level.
The parameters "PWM period" (ID 12565) and "Adapt time" (ID 12065) are used for this functionality.
*) See the pump manufacturer's data sheet
Commissioning
When the P348 application has been uploaded the ECL Comfort 310 controller starts in Manual mode. This can be used to verify correct connections of temperature, pressure and flow sensors.
Also verifying the controlled components for correct functionality can be done.
Depending on system type, it might be necessary to change some factory settings individually in order to optimize the functionality.
The application key must be inserted in order to change settings.
Important:
•Set the correct running time "M run" of the Motorized Control Valve M2. (Circuit 1 > MENU > Settings > Control parameters > M run).
•Set a minimum speed of P1 / V1 and ensure that the pump runs constantly. (Circuit 2 > MENU > Settings > Control par. 1 > V out min.). See pump manufacturer's manual.
•Verify if the speed controlled pumps should be reversed controlled. (Circuit 2 / 3 > MENU > Settings > Control par. > Reverse out). See pump manufacturer's manual.
The controller is pre-programmed with factory settings that are shown in the ‘Parameter ID overview’ appendix.
VI.LV.G3.02 |
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Operating Guide ECL Comfort 310, application P348
2.2 Identifying the system type
Sketch your application
The ECL Comfort controller series is designed for a wide range of heating, domestic hot-water (DHW) and cooling systems with different configurations and capacities. If your system differs from the diagrams shown here, you may want to make a sketch of the system about to be installed. This makes it easier to use the Operating Guide, which will guide you step-by-step from installation to final adjustments before the end-user takes over.
The ECL Comfort controller is a universal controller that can be used for various systems. Based on the shown standard systems, it is possible to configure additional systems. In this chapter you find the most frequently used systems. If your system is not quite as shown below, find the diagram which has the best resemblance with your system and make your own combinations.
See the Installation Guide (delivered with the application key) for application types / sub-types.
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Operating Guide ECL Comfort 310, application P348
2.3 Mounting
2.3.1 Mounting the ECL Comfort controller
See the Installation Guide which is delivered together with the
ECL Comfort controller.
For easy access, you should mount the ECL Comfort controller near the system.
ECL Comfort 210 / 296 / 310 can be mounted
•on a wall
•on a DIN rail (35 mm)
ECL Comfort 296 can be mounted
•in a panel cut-out
ECL Comfort 210 can be mounted in an ECL Comfort 310 base part (for future upgrade).
Screws, PG cable glands and rawlplugs are not supplied.
Locking the ECL Comfort 210 / 310 controller
In order to fasten the ECL Comfort controller to its base part, secure the controller with the locking pin.
To prevent injuries to persons or the controller, the controller has to be securely locked into the base. For this purpose, press the locking pin into the base until a click is heard and the controller no longer can be removed from the base.
If the controller is not securely locked into the base part, there is a risk that the controller during operation can unlock from the base and the base with terminals (and also the 230 V a.c. connections) are exposed. To prevent injuries to persons, always make sure that the controller is securely locked into its base. If this is not the case, the controller should not be operated!
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Operating Guide ECL Comfort 310, application P348
Mounting on a wall
Mount the base part on a wall with a smooth surface. Establish the electrical connections and position the controller in the base part. Secure the controller with the locking pin.
Mounting on a DIN rail (35 mm)
Mount the base part on a DIN rail. Establish the electrical connections and position the controller in the base part. Secure the controller with the locking pin.
Dismounting the ECL Comfort controller
In order to remove the controller from the base part, pull out the locking pin by means of a screwdriver. The controller can now be removed from the base part.
The easy way to lock the controller to its base or unlock it is to use a screw driver as lever.
The easy way to lock the controller to its base or unlock it is to use a screw driver as lever.
14 | © Danfoss | 2018.11 |
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Operating Guide ECL Comfort 310, application P348
2.3.2 Mounting the Remote Control Units ECA 30 / 31
Select one of the following methods:
•Mounting on a wall, ECA 30 / 31
•Mounting in a panel, ECA 30 Screws and rawlplugs are not supplied.
Mounting on a wall
Mount the base part of the ECA 30 / 31 on a wall with a smooth surface. Establish the electrical connections. Place the ECA 30 / 31 in the base part.
Mounting in a panel
Mount the ECA 30 in a panel using the ECA 30 frame kit (order code no. 087H3236). Establish the electrical connections. Secure the frame with the clamp. Place the ECA 30 in the base part. The ECA 30 can be connected to an external room temperature sensor.
The ECA 31 must not be mounted in a panel if the humidity function is to be used.
Before removing the ECL Comfort controller from the base part, ensure that the supply voltage is disconnected.
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Operating Guide ECL Comfort 310, application P348
2.3.3 Mounting the internal I/O module ECA 32 or ECA 35
The ECA 32 module (order code no. 087H3202) or ECA 35 module (order code no. 087H3205) can be inserted into the ECL Comfort 310 / 310B base part for additional input and output signals in relevant applications.
ECA 32
ECA 35
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Operating Guide ECL Comfort 310, application P348
2.4 Placing the temperature sensors
2.4.1 Placing the temperature sensors
It is important that the sensors are mounted in the correct position in your system.
The temperature sensor mentioned below are sensors used for the ECL Comfort 210 / 296 / 310 series which not all will be needed for your application!
Outdoor temperature sensor (ESMT)
The outdoor sensor should be mounted on that side of the building where it is less likely to be exposed to direct sunshine. It should not be placed close to doors, windows or air outlets.
Flow temperature sensor (ESMU, ESM-11 or ESMC)
Place the sensor max. 15 cm from the mixing point. In systems with heat exchanger, Danfoss recommends that the ESMU-type to be inserted into the exchanger flow outlet.
Make sure that the surface of the pipe is clean and even where the sensor is mounted.
Return temperature sensor (ESMU, ESM-11 or ESMC)
The return temperature sensor should always be placed so that it measures a representative return temperature.
Room temperature sensor
(ESM-10, ECA 30 / 31 Remote Control Unit)
Place the room sensor in the room where the temperature is to be controlled. Do not place it on outside walls or close to radiators, windows or doors.
Boiler temperature sensor (ESMU, ESM-11 or ESMC)
Place the sensor according to the boiler manufacturer’s specification.
Air duct temperature sensor (ESMB-12 or ESMU types)
Place the sensor so that it measures a representative temperature.
DHW temperature sensor (ESMU or ESMB-12)
Place the DHW temperature sensor according to the manufacturer’s specification.
Slab temperature sensor (ESMB-12)
Place the sensor in a protection tube in the slab.
ESM-11: Do not move the sensor after it has been fastened in order to avoid damage to the sensor element.
ESM-11, ESMC and ESMB-12: Use heat conducting paste for quick measurement of the temperature.
ESMU and ESMB-12: Using a sensor pocket to protect the sensor will, however, result in a slower temperature measurement.
VI.LV.G3.02 |
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Operating Guide ECL Comfort 310, application P348
Pt 1000 temperature sensor (IEC 751B, 1000 Ω / 0 °C) |
Relationship between temperature and ohmic value: |
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18 | © Danfoss | 2018.11 |
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Operating Guide ECL Comfort 310, application P348
2.5 Electrical connections
2.5.1 Electrical connections 230 V a.c.
The common ground terminal is used for connection of relevant components (pumps, motorized control valves).
See also the Installation Guide (delivered with the application key) for application specific connections.
Safety Note
Necessary assembly, start-up, and maintenance work must be performed by qualified and authorized personnel only.
Local legislations must be respected. This comprises also cable size and isolation (reinforced type).
A fuse for the ECL Comfort installation is max. 10 A typically.
The ambient temperature range for the ECL Comfort in operation is
0 - 55 °C. Exceeding this temperature range can result in malfunctions.
Installation must be avoided if there is a risk for condensation (dew).
ECL 210 / 310
Wire cross section: 0.5 - 1.5 mm²
Incorrect connection can damage the electronic outputs.
Max. 2 x 1.5 mm² wires can be inserted into each screw terminal.
Maximum load ratings:
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Relay terminals |
4 (2) A / 230 V a.c. |
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(4 A for ohmic load, 2 A for |
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inductive load) |
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Triac (= electronic |
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relay) terminals |
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Operating Guide ECL Comfort 310, application P348
Electrical connections, ECA 32 / ECA 35
Connections, in general.
See also the Installation Guide (delivered with the application key) for application specific connections.
Maximum load ratings:
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Terminals |
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ECA 32 |
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ECA 35 |
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PWM Out 1 (52) |
5 kΩ * |
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PWM Out 2 (53) |
5 kΩ * |
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PWM Out 3 (54) |
5 kΩ * |
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PWM Out 4 (55) |
5 kΩ * |
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Analog Out 1 (59) |
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Analog Out 1 (59) |
47 kΩ * |
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Analog Out 2 (60) |
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Analog Out 2 (60) |
47 kΩ * |
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Analog Out 3 (61) |
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Analog Out 3 (61) |
47 kΩ * |
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* The value is a minimum. |
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Operating Guide ECL Comfort 310, application P348
2.5.2 Electrical connections, Pt 1000 temperature sensors
See the Installation Guide (delivered with the application key) for sensor and input connections.
P348
Sensor |
Description |
Recommended type |
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S1 |
Outdoor temperaure |
ESMT |
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sensor |
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S2 |
Supply temperature |
ESM-11 / |
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sensor |
ESMB / |
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ESMC / |
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ESMU |
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S3 |
Flow temperature |
ESM-11 / |
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sensor (heating) * |
ESMB / |
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ESMC / |
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ESMU |
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S4 |
Flow temperature |
ESMB / |
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sensor (DHW) * |
ESMU |
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S5 |
Return temperature |
ESM-11 / |
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sensor (heating) |
ESMB / |
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ESMC / |
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ESMU |
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S6 |
Upper buffer-tank |
ESMB / |
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temperature sensor * |
ESMU |
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S7 |
Buffer-tank flow |
ESM-11 / |
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temperature sensor |
ESMB / |
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ESMC / |
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ESMU |
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S8 |
Lower buffer-tank |
ESMB / |
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temperature sensor |
ESMU |
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S9 |
DHW circulation |
ESM-11 / |
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temperature sensor |
ESMB / |
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ESMC / |
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ESMU |
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S10 |
Buffer-tank return |
ESM-11 / |
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temperature sensor |
ESMB / |
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ESMC / |
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ESMU |
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Temperature sensors must be connected in order to have the desired functionality.
*If the sensor is not connected or the sensor cable is short-circuited, the motorized control valve or control pump closes / stops (safety function).
VI.LV.G3.02 |
© Danfoss | 2018.11 | 21 |
Operating Guide ECL Comfort 310, application P348
ECA 32
Sensor |
Description |
Recommended type |
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S11 |
Return temperature |
ESM-11 / |
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sensor, heating circuit A |
ESMB / |
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ESMC / |
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ESMU |
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S12 |
Return temperature |
ESM-11 / |
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sensor, heating circuit B |
ESMB / |
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ESMC / |
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ESMU |
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S13 |
Not used |
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S14 |
Not used |
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S15 |
Supply return pressure |
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sensor |
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S16 |
Supply return pressure |
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sensor |
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Temperature sensors must be connected in order to have the desired functionality.
ECA 35
Sensor |
Description |
Recommended type |
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S11 |
Return temperature |
ESM-11 / |
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sensor, heating circuit A |
ESMB / |
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ESMC / |
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ESMU |
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S12 |
Return temperature |
ESM-11 / |
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sensor, heating circuit B |
ESMB / |
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ESMC / |
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ESMU |
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Temperature sensors must be connected in order to have the desired functionality.
Wire cross section for sensor connections: Min. 0.4 mm².
Total cable length: Max. 200 m (all sensors incl. internal ECL 485 communication bus).
Cable lengths of more than 200 m may cause noise sensibility (EMC).
22 | © Danfoss | 2018.11 |
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Operating Guide ECL Comfort 310, application P348
2.5.3 Electrical connections, ECA 30 |
/ 31 |
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Terminal |
Terminal |
Description |
Type |
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ECL |
ECA 30 / 31 |
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(recomm.) |
30 |
4 |
Twisted pair |
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31 |
1 |
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Cable 2 x |
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32 |
2 |
Twisted pair |
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twisted pair |
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4 |
Ext. room temperature |
ESM-10 |
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5 |
sensor* |
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*After an external room temperature sensor has been connected, ECA 30 / 31 must be repowered.
The communication to the ECA 30 / 31 must be set up in the ECL
Comfort controller in 'ECA addr.'
The ECA 30 / 31 must be set up accordingly.
After application setup the ECA 30 / 31 is ready after 2–5 min. A progress bar in the ECA 30 / 31 is displayed.
If the actual application contains two heating circuits, it is possible to connect an ECA 30 / 31 to each circuit. The electrical connections are done in parallel.
Max. 2 ECA 30 / 31 can be connected to an ECL Comfort 310 controller or to ECL Comfort 210 / 296 / 310 controllers in a master-slave system.
Setup procedures for ECA 30 / 31: See section ‘Miscellaneous’.
ECA information message: ‘Application req. newer ECA’:
The software (firmware) of your ECA does not comply with the software (firmware) of your ECL Comfort controller. Please contact your Danfoss sales office.
Some applications do not contain functions related to actual room temperature. The connected ECA 30 / 31 will only function as remote control.
VI.LV.G3.02 |
© Danfoss | 2018.11 | 23 |
Operating Guide ECL Comfort 310, application P348
ECA 32 / 35
S12
Connection of voltage signal (0–10 V) for external control of desired DHW temperature.
The applied voltage must, as a minimum, be 1 Volt.
Total cable length: Max. 200 m (all sensors incl. internal ECL 485 communication bus).
Cable lengths of more than 200 m may cause noise sensibility (EMC).
24 | © Danfoss | 2018.11 |
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Operating Guide ECL Comfort 310, application P348
2.5.4 Electrical connections, master / slave systems
The controller can be used as master or slave in master / slave systems via the internal ECL 485 communication bus (2 x twisted pair cable).
The ECL 485 communication bus is not compatible with the ECL bus in ECL Comfort 110, 200, 300 and 301!
Terminal |
Description |
Type |
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(recomm.) |
30 |
Common terminal |
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31 |
+12 V*, ECL 485 communication bus |
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* Only for ECA 30 / 31 and master / |
Cable 2 x |
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slave communication |
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twisted pair |
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32 |
B, ECL 485 communication bus |
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33 |
A, ECL 485 communication bus |
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Total cable length: Max. 200 m (all sensors incl. internal ECL 485 communication bus).
Cable lengths of more than 200 m may cause noise sensibility (EMC).
2.5.5 Electrical connections, communication
Electrical connections, Modbus
ECL Comfort 210: Non-galvanic isolated Modbus connections
ECL Comfort 296: Galvanic isolated Modbus connections
ECL Comfort 310: Galvanic isolated Modbus connections
2.5.6 Electrical connections, communication
Electrical connections, M-bus
ECL Comfort 210: Not implemented
ECL Comfort 296: On board
ECL Comfort 310: On board
VI.LV.G3.02 |
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Operating Guide ECL Comfort 310, application P348
2.6 Inserting the ECL Application Key
2.6.1 Inserting the ECL Application Key
The ECL Application Key contains
•the application and its subtypes,
•currently available languages,
•factory settings: e.g. schedules, desired temperatures, limitation values etc. It is always possible to recover the factory settings,
•memory for user settings: special user / system settings.
After having powered-up the controller, different situations might be existing:
1.The controller is new from the factory, the ECL Application Key is not inserted.
2.The controller already runs an application. The ECL Application Key is inserted, but the application needs to be changed.
3.A copy of the controllers settings is needed for configuring another controller.
ECL Comfort 210 / 310
ECL Comfort 210 / 310 |
User settings are, among others, desired room temperature, desired DHW temperature, schedules, heat curve, limitation values etc.
System settings are, among others, communication set-up, display brightness etc.
26 | © Danfoss | 2018.11 |
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Operating Guide ECL Comfort 310, application P348
Automatic update of controller software (firmware):
The software of the controller is updated automatically when the key is inserted (as of controller version 1.11 (ECL 210 / 310) and version 1.58 (ECL 296)). The following animation will be shown when the software is being updated:
Progress bar
During update:
•Do not remove the KEY
If the key is removed before the hour-glass is shown, you have to start afresh.
•Do not disconnect the power
If the power is interrupted when the hour-glass is shown, the controller will not work.
•Manual update of controller software (firmware):
See the section "Automatic / manual update of firmware"
The “Key overview” does not inform — through ECA 30 / 31 — about the subtypes of the application key.
Key inserted / not inserted, description:
ECL Comfort 210 / 310, controller versions lower than 1.36:
-Take out the application key; for 20 minutes settings can be changed.
-Power up the controller without the application key inserted; for 20 minutes settings can be changed.
ECL Comfort 210 / 310, controller versions 1.36 and up:
-Take out the application key; for 20 minutes settings can be changed.
-Power up the controller without the application key inserted; settings cannot be changed.
ECL Comfort 296 , controller versions 1.58 and up:
-Take out the application key; for 20 minutes settings can be changed.
-Power up the controller without the application key inserted; settings cannot be changed.
VI.LV.G3.02 |
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Operating Guide ECL Comfort 310, application P348
Application Key: Situation 1
The controller is new from the factory, the ECL Application Key is not inserted.
An animation for the ECL Application Key insertion is displayed. Insert the Application Key .
Application Key name and Version is indicated (example: A266 Ver. 1.03).
If the ECL Application Key is not suitable for the controller, a "cross" is displayed over the ECL Application Key-symbol.
Action: Purpose:
Select language
Confirm
Select application (subtype)
Some keys have only one application.
Confirm with ‘Yes’
Set 'Time & Date'
Turn and push the dial to select and change 'Hours', 'Minutes', 'Date', 'Month' and 'Year'.
Choose ''Next'
Confirm with ‘Yes’
Go to ‘Aut. daylight’
Choose whether ‘Aut. daylight´ * should be active or not
Examples:
YES or NO
* ‘Aut. daylight’ is the automatic changeover between summer and winter time.
Depending on the contents of the ECL Application Key, procedure A or B is taking place:
A
The ECL Application key contains factory settings:
The controller reads / transfers data from the ECL Application Key to ECL controller.
The application is installed, and the controller resets and starts up.
B
The ECL Application key contains changed system settings: Push the dial repeatedly.
’NO’: |
Only factory settings from the ECL Application Key will |
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be copied to the controller. |
’YES*: |
Special system settings (differing from the factory |
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settings) will be copied to the controller. |
If the key contains user settings:
Push the dial repeatedly.
‘NO: |
Only factory settings from the ECL Application Key will |
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be copied to the controller. |
‘YES*: |
Special user settings (differing from the factory settings) |
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will be copied to the controller. |
* If ‘YES’ cannot be chosen, the ECL Application Key does not contain any special settings.
Choose ‘Start copying’ and confirm with 'Yes'.
28 | © Danfoss | 2018.11 |
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Operating Guide ECL Comfort 310, application P348
(Example):
The "i" in the upper right corner indicates that - besides the factory settings - the subtype also contains special user / systems settings.
Application Key: Situation 2
The controller already runs an application. The ECL Application Key is inserted, but the application needs to be changed.
To change to another application on the ECL Application Key, the current application in the controller must be erased (deleted).
Be aware that the Application Key must be inserted.
Action: |
Purpose: |
Examples: |
|
Choose ‘MENU’ in any circuit |
|
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Confirm |
|
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Choose the circuit selector at the top |
|
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right corner in the display |
|
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Confirm |
|
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Choose ‘Common controller settings’ |
|
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Confirm |
|
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Choose ‘Key functions’ |
|
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Confirm |
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Choose ‘Erase application’ |
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Confirm with ‘Yes’ |
|
The controller resets and is ready to be configured.
Follow the procedure described in situation 1.
VI.LV.G3.02 |
© Danfoss | 2018.11 | 29 |
Operating Guide ECL Comfort 310, application P348
Application Key: Situation 3
A copy of the controllers settings is needed for configuring another controller.
This function is used
•for saving (backup) of special user and system settings
•when another ECL Comfort controller of the same type (210, 296 or 310) must be configured with the same application but user / system settings differ from the factory settings.
How to copy to another ECL Comfort controller:
Action: Purpose:
Choose ‘MENU’
Confirm
Choose the circuit selector at the top right corner in the display
Confirm
Choose 'Common controller settings'
Confirm
Go to ‘Key functions’
Confirm
Choose ‘Copy’
Confirm
Choose ‘To’.
‘ECL’ or ‘KEY’ will be indicated. Choose ’ECL’ or KEY’
Push the dial repeatedly to choose copy direction
Choose ‘System settings’ or ‘User settings’
Push the dial repeatedly to choose ‘Yes’ or ‘No’ in ‘Copy’. Push to confirm.
Choose ‘Start copying’
The Application Key or the controller is updated with special system or user settings.
Examples:
*
’ECL’ or ‘KEY’.
**
‘NO’ or ‘YES’
* |
|
|
‘ECL’: |
Data will be copied from the Application Key to the |
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‘KEY’: |
ECL Controller. |
|
Data will be copied from the ECL Controller to the |
|
|
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Application Key. |
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** |
|
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‘NO’: |
The settings from the ECL controller will not be copied |
|
‘YES’: |
to the Application Key or to the ECL Comfort controller. |
|
Special settings (differing from the factory settings) will |
|
|
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be copied to the Application Key or to the ECL Comfort |
|
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controller. If YES can not be chosen, there are no special |
|
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settings to be copied. |
|
30 | © Danfoss | 2018.11 |
VI.LV.G3.02 |
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