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Danfoss ECL Comfort 310, A362 Installation Guide

Code No.: 087H3845

General System Configurations

The following sections detail various system configurations and wiring examples for the ECL Comfort 310 and A362 controllers.

A362.1, Example a

This configuration illustrates a basic heating system setup with ECL 310 and ECA 32 components. It includes connections for valves (V1, V2), sensors (S1-S16), and actuators (Q1, Q2, M). The table below specifies control types for different regions:

Region	V1/V2 Control
GB	0-10 V-controlled
D	0-10 V-gesteuert
DK	0-10 V-styret

Diagram shows a heating circuit with a boiler/heat source, circulation pump (M), control valves (V1, V2), and various sensors (S1-S16) connected to ECL 310 and ECA 32 controllers.

A362.1, Example b

This configuration is similar to Example a, but specifies control types for M1/M2:

Region	M1/M2 Control
GB	3-point-controlled
D	3-Punkt-gesteuert
DK	3-punkt-styret

Diagram shows a heating circuit with a boiler/heat source, circulation pump (M), control valves (V1, V2), and various sensors (S1-S16) connected to ECL 310 and ECA 32 controllers, with specific settings for motor control (M1/M2).

A362.1, Example c

This example shows a configuration with both M1/M2 and V1/V2 control options:

Region	M1/M2 Control	V1/V2 Control
GB	3-point-controlled	0-10 V-controlled
D	3-Punkt-gesteuert	0-10 V-gesteuert
DK	3-punkt-styret	0-10 V-styret

Diagram shows a heating circuit with a boiler/heat source, circulation pump (M), control valves (V1, V2), and various sensors (S1-S16) connected to ECL 310 and ECA 32 controllers, detailing both 3-point and 0-10V control methods.

A362.1, Example d

This configuration details the function of P1/P2 inputs and shows a system diagram:

Diagrams illustrate the input signals for P1 and P2, showing how they relate to system control. A heating circuit diagram is also provided, similar to previous examples, with specific labels for M1/M2 and V1/V2 controls.

Region	M1/M2 Control	V1/V2 Control
GB	3-point-controlled	0-10 V-controlled
D	3-Punkt-gesteuert	0-10 V-gesteuert
DK	3-punkt-styret	0-10 V-styret

A362.1 & A362.2, Example d (P1/P2)

Illustrates P1/P2 signal flow and connections.

Diagrams show the input signals for P1 and P2, indicating their function in system control.

A362.1, Example f

A heating system configuration diagram.

Diagram shows a heating circuit with ECL 310, ECA 32, valves (V1), sensors (S1-S16), and actuators (M1, Q1).

A362.2, Example a

A heating system configuration diagram.

Diagram shows a heating circuit with ECL 310, ECA 32, valves (V1, V2), sensors (S1-S16), and actuators (Q1, Q2, M).

A362.2, Example b

A heating system configuration diagram.

Diagram shows a heating circuit with ECL 310, ECA 32, valves (V1, V2), sensors (S1-S16), and actuators (Q1, Q2, M).

A362.2, Example c

A heating system configuration diagram with M1/M2 and V1/V2 connections.

Diagram shows a heating circuit with ECL 310, ECA 32, valves (V1, V2), sensors (S1-S16), and actuators (M1, M2, Q1, Q2).

A362.2, Example d

A heating system configuration diagram.

Diagram shows a heating circuit with ECL 310, ECA 32, valves (V1, V2), sensors (S1-S16), and actuators (M1, M2, Q1, Q2).

A362.2, Example f

A heating system configuration diagram.

Diagram shows a heating circuit with ECL 310, ECA 32, valves (V1), sensors (S1-S16), and actuators (M1, Q1).

A362.1 & A362.2: Master/Slave Configurations

Illustrates master/slave setups using ECL 310 units connected via ECL 485 bus. Includes regional configurations:

Device	GB	D	DK
#M	Master (address 15)	Hauptregler (Adresse 15)	Master (adresse 15)
#1	Slave (address 1)	Folgeregler (Adresse 1)	Slave (adresse 1)
#2	Slave (address 2)	Folgeregler (Adresse 2)	Slave (adresse 2)

ECL Comfort 310: 230 V a.c. Power Ratings:

4 (2) A / 230 V a.c.
0.2 A / 230 V a.c.

Diagrams show ECL 310 units configured as master and slave devices on an ECL 485 bus. Terminal connections and regional settings are indicated.

A362.1 & A362.2: Wiring Diagrams (230 V a.c.)

Detailed wiring diagrams for 230 V a.c. connections, including master/slave configurations and terminal block layouts.

Complex wiring diagrams illustrating the physical connections to ECL 310 units, including power supply (L, N, PE), communication bus (ECL 485), and various input/output terminals (S1-S16, P1, P2, Q1, Q2, M1, M2).

A362.1 & A362.2: V1, V2, V3 Wiring

Wiring diagrams for valve control signals V1, V2, and V3, showing connections to ECA 32 and ECL 310.

Diagrams show the specific wiring for analog output signals (0-10V) used to control valves V1, V2, and V3, connecting ECA 32 to ECL 310.

Safety Thermostat Wiring (1-step and 2-step closing)

Wiring diagrams for 230 V a.c. / 24 V a.c. safety thermostats with 1-step and 2-step closing functions for ECL 210/310/311 and ECL 210/310 controllers.

Wiring schematics illustrating the connection of safety thermostats to the ECL controllers, showing terminal assignments for different models and safety functions.

Pt 1000 Sensor Wiring

Wiring diagrams for Pt 1000 temperature sensors (1000 Ω / 0°C) to ECL Comfort 210/296/310/311 controllers, including M-bus connections.

Diagrams show the connections for Pt 1000 sensors to specific terminals on the ECL controllers and illustrate M-bus communication wiring.

S9/S10 and S12/S13 Wiring

Details on configurations for S9/S10 inputs and wiring for S12/S13 connections to ECA 32 and ECL 310, including 0-10V inputs and potentiometer connections.

Diagrams show different input configurations for S9/S10 and detailed wiring for S12/S13, including analog inputs and potentiometer connections to ECA 32 and ECL 310.

S15/S16 Wiring and ECA 30/31 Connections

Wiring diagrams for S15/S16 connections to ECA 32 and ECL 210/296/310, along with ECA 30/31 connections.

Wiring diagrams illustrate connections for sensors S15 and S16 to ECA 32 and ECL controllers, as well as connections for ECA 30/31 units.

Modbus and M-bus Communication

Illustrates connections for Modbus and M-bus communication protocols with ECL controllers.

Diagrams show how to connect ECL controllers for Modbus and M-bus communication, including terminal assignments and network configurations.

Pt 1000 Sensor Characteristics

Provides a table and graph detailing the resistance-temperature characteristics of Pt 1000 sensors (IEC 751B, 1000 Ω / 0°C).

Pt 1000 Resistance vs. Temperature:

°C	Ω
-50	803
-40	843
-30	882
-20	922
-10	961
0	1000
10	1039
20	1078
30	1117
40	1155
50	1194
60	1232
70	1271
80	1309
90	1347
100	1385
110	1423
120	1461
130	1498
140	1535
150	1573

A graph plots temperature (°C) against resistance (Ω) for Pt 1000 sensors. A second graph shows flow rate versus pressure drop for various valve sizes (indicated by numbers like 1.8, 2.2, etc.).

ECA 30 Installation Steps

A step-by-step guide for installing the ECA 30 unit.

Ten numbered diagrams illustrate the physical installation process for the ECA 30 unit, showing mounting, connection, and final assembly steps.

Additional Information

For more information and resources, visit the Danfoss website:

www.danfoss.com

View installation videos on YouTube:

Danfoss Climate Solutions YouTube Channel

Specific playlist for District Energy installation videos.

Models: A362, A362 ECL Comfort 310 Controller, ECL Comfort 310 Controller, Comfort 310 Controller, Controller

File Info : application/pdf, 20 Pages, 2.12MB

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References

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