Danfoss ECL Comfort 300 - C14 Operating instructions

Brand: Danfoss

Model: ECL Comfort 300 - C14

Type: Operating instructions

C14

VI.7C.P3.02

2005.09

VI.7C.P3.02

2005.09

www.danfoss.com

User's Guide 

Installer's Guide 

www.danfoss.com

ECL Comfort

Installer's Guide

ECL Comfort

User's Guide

*087R8092*

*VI7CP302*

*087R8092*

*VI7CP302*

Constant air temperature controller

The shown diagram is a fundamental and simpliﬁed example and

does not contain all components that are necessary in a system.

If the system you are about to install diﬀers from the shown

diagram of a standard heating system, feel free to sketch an outline

for comparison. Adaptation of systems, see section 10.

List of components:

ECL Comfort 300

S1 Compensation temperature sensor

S2 Room temperature sensor

S3 Flow / air duct temperature sensor

S4 Limitation temperature sensor

S6 Frost temperature sensor

P1 Fan

P2 Damper actuator

M1 Motorized control valve

Circuit

indicator

Circuit

selector

Shift

button

Adjust-

ment

Controller

mode

Controller mode

Manual operation (used only at maintenance

and service)

Scheduled operation

Constant comfort temperature

Constant setback temperature

Standby mode

Arrow buttons. Switch between the lines of the ECL

Card.

Shift button. Switches between temperatures,

changeover points etc.

Adjust temperatures and values etc.

Circuit selector for switching between the circuits.

Safety Note

To avoid injury of persons and damages to the device, it is

absolutely necessary to read and observe these instructions

carefully.

Necessary assembly, start-up, and maintenance work must be

performed by qualiﬁed and authorized personnel only.

This guide is associated with ECL Card 087B4824

Installer:

By:

Date:

Table of Contents

Sections in the Installer’s Guide

The documentation for the ECL Comfort controller is

composed of numbered sections. Only sections relevant to

your ECL Comfort controller are included here.

Before you start

Installation

10 Identifying the system type

11 Mounting the ECL Comfort controller

12 Electrical connections 230 V a.c.

13 Electrical connections 24 V a.c.

14 Connecting and placing the temperature sensors

15 Inserting the ECL Card

Basic Set-up

16 Adjusting the ECL Card settings

17 Setting the time and date - line A

18 Monitoring temperatures and system units - line B

19 Manual control - line B

20 Balance temperature - line C

21 Dead zone - line 1

22 Flow / inlet temperature limits - line 2

23 Room temperature inﬂuence - line 3

26 Control parameters - lines 4-7

Control & Overviews

29 Check list

30 ECL Card settings

31 Service parameters

Extended Service

32 Adjusting the service parameters

Miscellaneous

34 Copying with the ECL Card

User's Guide (turn the guide over for sections 1-7)

1 Choose your favorite display

2 Select circuit mode

3 Set your room and air duct temperature

4 Set your personal schedule

5 Advantages of the ECL Card

6 Hot points

7 Deﬁnitions

VI.7C.P3.02

Card C14

2005.09

Sketch your application

The ECL Comfort controller series is designed for a wide

range of heating, hot-water and cooling systems with

diﬀerent conﬁgurations and capacities.

If your system diﬀers from the diagrams shown in section

10, you may want to make a sketch of the system about to

be installed. This makes it easier to use the Installer’s Guide,

which will guide you step-by-step from installation to ﬁnal

adjustments before the end-user takes over.

The controller is pre-programmed with factory settings that are

shown in the relevant sections of this guide.

However, you might come across some settings that are not listed

in this instruction. These settings could be related either to recent

updates or the use of optional modules (which are described in

the instructions in question).

How to use this guide

This guide is divided into two parts:

• User’s Guide: Yellow sections 1-7

• Installer's Guide: Grey sections 10 and onwards

The application C14 is very ﬂexible. These are the basic principles:

The most important temperature sensor in the system is S3, which

measures the ﬂow / air duct temperature. A constant comfort or

setback temperature is kept at S3 according to schedule.

Additional temperature sensors have the following

functions:

S1: Compensation temperature sensor:

Can correct the S3 reference temperature. The compensation

temperature could be the outdoor temperature.

S2: Room temperature sensor (typically):

When used, the temperature at S3 is considered as

the balance temperature. This means that the comfort or

setback temperature now is related to S2 instead of S3.

S4: Limitation temperature sensor:

Can correct the S3 reference temperature. The limitation

temperature could be the return temperature.

Fan and pump are controlled according to the schedule.

Before you start

Installation

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 section you ﬁnd the most frequently used systems. If

your system is not quite as shown below, ﬁnd the diagram

which has the best resemblance with your system and make

your own combinations.

The functions can only be realized with ECL Comfort 300 and as

of controller version 1.04.

10.1 Unit heater system with constant room

temperature control

Control principle:

PI control of the ﬂow temperature (S3) and P control of the

room temperature (S2). The adjusted ﬂow temperature is

controlled by the motorized valve M1. The P1 fans are

controlled by relay R1, and the circulation pump P2 by

relay R2.

System settings

Circuit Line Description Recomm.

setting

I C Balance temperature 60 °C

I 2

Temperature at S3 limit min/

max

30 °C / 90 °C

I 85 Application selection 0

I 89 Relay output status R2 0

System diagrams in this instruction are principal drawings and do

not contain all components which are necessary in your systems.

Identifying the system type

10a

Installation

Connections of controlled components

Establish these jumpers:

1-5-10-12 and

jumper from 2 to common N-terminal

Terminal Description Max. load

1 (L) Voltage supply 230 V a.c.

2 (N) Voltage supply 230 V a.c.

3 M1 Actuator - open 0.2 A / 230 V a.c.

4 M1 Actuator - close 0.2 A / 230 V a.c.

5 230 V a.c. voltage supply for

actuator M1

9 P1 Fan 4 (2) A / 230 V a.c.

10 230 V a.c. voltage supply for

fan P1

11 P2 Circulation pump 4 (2) A / 230 V a.c.

12 230 V a.c. voltage supply for

circulation pump P2

Temperature sensor connections, see section 14a.

10b

Installation

10c

10.2 Ventilation system with constant supply air

control

Control principle:

PI control of the inlet temperature (S3). The temperature is

held at a constant level by the motorized valve M1 in the

primary circuit of the air heater. Fan P1 is controlled by relay

R1, damper P2 by relay R2.

System settings

The desired temperature at S3 is set in display A (with

the yellow side of the card facing you). The setting of the

balance temperature (grey side, line C) has no function in this

application.

Circuit Line Description Recomm.

setting

I 85 Application selection 0

I 87 R2 relay cut-in delay 180 sec.

Installation

10d

Connections of controlled components

Establish these jumpers:

1-5-10-12 and

jumper from 2 to common N-terminal

Terminal Description Max. load

1 (L) Voltage supply 230 V a.c.

2 (N) Voltage supply 230 V a.c.

3 M1 Actuator - open 0.2 A / 230 V a.c.

4 M1 Actuator - close 0.2 A / 230 V a.c.

5 230 V a.c. voltage supply for

actuator M1

9 P1 Fan 4 (2) A / 230 V a.c.

10 230 V a.c. voltage supply for

fan P1

11 P2 Damper 4 (2) A / 230 V a.c.

12 230 V a.c. voltage supply for

damper P2

Temperature sensor connections, see section 14a.

Installation

10e

10.3 Ventilation system with constant

room temperature control

Control principle:

PI control of the inlet temperature (S3) and P control of

the room temperature (S2). The adjusted temperature is

controlled by the motorized valve M1 in the primary circuit of

the air heater. Fan P1 is controlled by relay R1, damper P2 by

relay 2.

System settings

Circuit Line Description Recomm.

setting

I C Balance temperature 23 °C

I 85 Application selection 0

I 87 R2 relay cut-in delay 180 sec.

Installation

10f

Connections of controlled components

Establish these jumpers:

1-5-10-12 and

jumper from 2 to common N-terminal

Terminal Description Max. load

1 (L) Voltage supply 230 V a.c.

2 (N) Voltage supply 230 V a.c.

3 M1 Actuator - open 0.2 A / 230 V a.c.

4 M1 Actuator - close 0.2 A / 230 V a.c.

5 230 V a.c. voltage supply for

actuator M1

9 P1 Fan 4 (2) A / 230 V a.c.

10 230 V a.c. voltage supply for

fan P1

11 P2 Damper 4 (2) A / 230 V a.c.

12 230 V a.c. voltage supply for

damper P2

Temperature sensor connections, see section 14a.

Installation

10g

10.4 Ventilation system with constant

temperature control and fresh air supply

Control principle:

PI control of the inlet temperature (S3) and P control of the

room temperature (S2) with a neutral zone between heating

and mixing. When heating, the adjusted temperature is

controlled by the motorized valve M1 in the primary circuit

of the air heater. When mixing, the adjusted temperature is

controlled by the gear motor M2 which controls the dampers.

Fan P1 is controlled by relay R1 (please note that it is not

possible to set any minimum damper position from the

controller).

System settings

Circuit Line Description Recomm.

setting

I C Balance temperature 23 °C

I 1 Dead zone - Dz OFF

I 85 Application selection 2

Installation

10h

Connections of controlled components

Establish these jumpers:

1-5-8-10 and

jumper from 2 to common N-terminal

Terminal Description Max. load

1 (L) Voltage supply 230 V a.c.

2 (N) Voltage supply 230 V a.c.

3 M1 Actuator - open 0.2 A / 230 V a.c.

4 M1 Actuator - close 0.2 A / 230 V a.c.

5 230 V a.c. voltage supply for

actuator M1

6 M2 Damper motor - open 0.2 A / 230 V a.c.

7 M2 Damper motor - close 0.2 A / 230 V a.c.

8 230 V a.c. voltage supply for

damper motor M2

9 P1 Fan 4 (2) A / 230 V a.c.

10 230 V a.c. voltage supply for

fan P1

Temperature sensor connections, see section 14a.

Installation

10i

10.5 Ventilation system with constant room

temperature control - heating and cooling

Control principle:

PI control of the inlet temperature (S3) and P control of the

room temperature (S2) with a neutral zone between

heating and cooling. When heating, the adjusted temperature

is controlled by the motorized valve M1 in the primary circuit

of the air heater. When cooling, the adjusted temperature is

controlled by the motorized valve M2 in the primary circuit of

the air cooler. Fan P1 is controlled by relay R1, damper P2 by

relay 2.

System settings

Circuit Line Description Recomm.

setting

I C Balance temperature 23 °C

I 1 Dead zone - Dz 2 K

I 2

Temperature limits (S3) min/

max

10 °C / 50 °C

I 85 Application selection 2

Installation

10j

Connections of controlled components

Establish these jumpers:

1-5-8-10-12 and

jumper from 2 to common N-terminal

Terminal Description Max. load

1 (L) Voltage supply 230 V a.c.

2 (N) Voltage supply 230 V a.c.

3 M1 Actuator - open 0.2 A / 230 V a.c.

4 M1 Actuator - close 0.2 A / 230 V a.c.

5 230 V a.c. voltage supply for

actuator M1

6 M2 Actuator - open 0.2 A / 230 V a.c.

7 M2 Actuator - close 0.2 A / 230 V a.c.

8 230 V a.c. voltage supply for

damper motor M2

9 P1 Fan 4 (2) A / 230 V a.c.

10 230 V a.c. voltage supply for

fan P1

11 P2 Damper 4 (2) A / 230 V a.c.

12 230 V a.c. voltage supply for

damper P2

Temperature sensor connections, see section 14a.

Installation

10k

10.6

Ventilation system with constant room

temperature control - heating and heat

recovery

Control principle:

PI control of the inlet temperature (S3) and P control of

room temperature (S2) with a neutral zone between heating

and recovery. When heating, the adjusted temperature is

controlled by the motorized valve M1 in the primary circuit

of the heat exchangers. At heat recovery, the adjusted

temperature is controlled by the gear motor M2 which

controls the dampers. Fan P1 is controlled by

relay R1 and damper P2 by relay R2.

System settings

Circuit Line Description Recomm.

setting

I C Balance temperature 23 °C

I 1 Dead zone - Dz OFF

I 85 Application selection 2

Installation

10l

Connections of controlled components

Establish these jumpers:

1-5-8-10-12 and

jumper from 2 to common N-terminal

Terminal Description Max. load

1 (L) Voltage supply 230 V a.c.

2 (N) Voltage supply 230 V a.c.

3 M1 Actuator - open 0.2 A / 230 V a.c.

4 M1 Actuator - close 0.2 A / 230 V a.c.

5 230 V a.c. voltage supply for

actuator M1

6 M2 Actuator - open, damper 0.2 A / 230 V a.c.

7 M2 Actuator - close, damper 0.2 A / 230 V a.c.

8 230 V a.c. voltage supply for

actuator M2

9 P1 Fan 4 (2) A / 230 V a.c.

10 230 V a.c. voltage supply for

fan P1

11 P2 Damper 4 (2) A / 230 V a.c.

12 230 V a.c. voltage supply for

damper P2

Temperature sensor connections, see section 14a.

Installation

10m

10.7 Cooling system with constant cooling

temperature

Control principle:

PI control of brine temperature (S3). The brine temperature

is held at a constant level by the motorized valve M2. The

circulation pump P1 is controlled by relay R1.

System settings

The desired temperature at S3 is set in display A (with

the yellow side of the card facing you). The setting of the

balance temperature (grey side, line C) has no function in this

application.

Circuit Line Description Recomm.

setting

I 2

Temperature limits (S3) min/

max

-20 °C / 50 °C

I 85 Application selection 1

I 86 R1 relay cut-in delay 0 sec.

Installation

10n

Connections of controlled components

Establish these jumpers:

1-8-10 and

jumper from 2 to common N-terminal

Terminal Description Max. load

1 (L) Voltage supply 230 V a.c.

2 (N) Voltage supply 230 V a.c.

6 M2 Actuator - open, damper 0.2 A / 230 V a.c.

7 M2 Actuator - close, damper 0.2 A / 230 V a.c.

8 230 V a.c. voltage supply for

actuator M2

9 P1 Circulation pump 4 (2) A / 230 V a.c.

10 230 V a.c. voltage supply for

circulation pump P1

Temperature sensor connections, see section 14a.

Installation

10o

10.8 Cooling system with constant room

temperature

Control principle:

PI control of the brine temperature (S3) and P control of the

room temperature (S2). The adjusted ﬂow temperature is

controlled by the motorized valve M2. The circulation pump

P2 is controlled by relay R2 and fan P1 by relay R1.

System settings

Circuit Line Description Recomm.

setting

I C Balance temperature 4 °C

I 2

Temperature limits (S3) min/

max

-20 °C / 50 °C

I 85 Application selection 1

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Danfoss ECL Comfort 300 - C14 Operating instructions

Danfoss ECL Comfort 300 - C14 Operating instructions

Danfoss ECL Comfort 300 - C14 Operating instructions

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