Danfoss ECL Comfort 300 User manual

F18

VI.KT.S1.02

2008.10

VI.KT.S1.02

2008.10

www.danfoss.com

User's Guide 

Installer's Guide 

www.danfoss.com

ECL Comfort

Installer's Guide

ECL Comfort

User's Guide

*087R8415*

*VIKTS102*

*087R8415*

*VIKTS102*

Fuel cell DHW 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 system, feel free to sketch an outline for

comparison. Adaptation of systems, see section 10.

Circuit

indicator

Circuit

selector

Shift

button

Adjust-

ment

Controller

mode

This guide is associated with ECL Card 087X1206

Installer:

By:

Date:

Controller mode

Manual operation (used only at maintenance

and service)

Scheduled operation

Constant comfort temperature

Constant saving 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.

List of components:

ECL Comfort 300

S1 Fuel cell, ﬂow temperature sensor

S2 Fuel cell, return temperature sensor

S3 Upper DHW storage tank temperature sensor

S4 Center DHW storage tank temperature sensor

S5 Lower DHW storage tank temperature sensor

S6 DHW temperature sensor

P1 Primary pump

P2 DHW circulation pump

P3 Standby pump

E1 Electric heater

FC Fuel cell control

FS Flow switch

Display indications, controlled units, F18

P1 P3 P2 E1 FC

2 3

P1, P2, FC Blank = OFF ON = ON

P3, E1 Blank = OFF = ON

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

11 Mounting the ECL Comfort controller

12 Electrical connections 230 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 DHW storage tank control, line C

22 Max. fuel cell temperature, lines 1 and 2

23 Start and stop of fuel cell charging - line 3

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)

1Choose your favorite display

2Select circuit mode

3Set your DHW temperature

4Set your personal schedule

5Advantages of the ECL Card

6Hot points

7Deﬁnitions

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 F18 is very ﬂexible. These are the basic principles:

The domestic hot water (DHW) storage tank is equipped with

three temperature sensors: S3, S4 and S5.

S3 is used for switch on and switch oﬀ of the electric heater in

connection with an extra energy source. The desired DHW storage

tank temperature sensor (S3) has two settings, one for reduced

temperature and one for comfort temperature which is controlled

according to the schedule in circuit I.

The DHW storage tank temperature sensor S4 decides the switch

on of the fuel cell energy supply and sensor S5 determines when

to switch it oﬀ.

S1 and S2 ensure that the temperature to and from the fuel cell

energy supply is kept under the acceptable values. If these are

exceeded, the fuel cell signal is overruled, FC and the alarm code

can be read.

A DHW tapping is detected by means of a ﬂow switch, FS. The

DHW circulation pumps P2 and P3 stop, and the primary pump

P1 starts. When the DHW tapping stops, P1 will stop, and P2 and

P3 will be controlled according to the schedules in circuit I and II,

respectively. The readout of the DHW temperature sensor S6 can

be used when adjusting the DHW temperature.

Before you start

VI.KT.S1.02

Card F18

2008.10

Disposal instruction:

This product should be dismantled and its

components sorted, if possible, in various

groups before recycling or disposal.

Always follow the local disposal regulations.

Installation

For easy access, you should mount the ECL Comfort

controller near the system. Select one of the three

following methods:

• Mounting on a wall

• Mounting on a DIN rail

• Mounting in a panel

Screws and rawlplugs are not supplied.

Mounting on a wall

Socket for mounting on wall: Order code No. 087B1149.

Mount the terminal box on a wall with a smooth surface.

Establish the electrical connections and position the

controller in the box. Secure the controller with the ﬁxing

screw.

Mounting on a DIN rail

Mounting kit: Order code No. 087B1145.

A mounting kit is necessary to mount the box with the

controller on a DIN rail.

Mounting in a panel

Connector set: Order code No. 087B1148.

The panel plate thickness must not exceed 3 mm.

Prepare a cut-out with the dimensions 93 x 139 mm. Pull o

the right side of the lid by means of a screwdriver.

Insert the controller into the panel cut-out and ﬁx it with the

two locks which are placed diagonally in two corners of the

controller.

Mounting the ECL Comfort

controller

11a

11b

Installation

12a Electrical connections -

230 V a.c. - in general

230 V a.c. connections

It might be necessary to use a relay to ensure the safety distance between low and

high voltage

12b

Terminal Description Max. load

1(L) Supply voltage 230 V a.c.

2(N) Supply voltage 230 V a.c.

3Not used

4P3 Standby pump 0.2 A / 230 V a.c.

5 230 V a.c. supply for P3

6Not used

7E1 Electric heater 0.2 A / 230 V a.c.

8 230 V a.c. supply for E1

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

10 230 V a.c. supply for P1

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

12 230 V a.c. supply for P2

13 FC Fuel cell control 4(2) A / 230 V a.c.

14 230 V a.c. supply for FC

Wire cross section: 0.75 - 1.5 mm2

Electrical connections

Max. 2 x 1.5 mm2wires can be inserted into each screw terminal.

Incorrect connection can damage the TRIAC outputs. Max. load

(terminals 3, 4, (6 and 7)) 0.2 A / 230 V a.c.!

Installation

Connecting the temperature sensors and the bus

Terminal Description Type (recomm.)

15 and 16 Flow switch

17 and 16 S1 Fuel cell, ﬂow temperature

sensor

18 and 16 S2 Fuel cell, return

temperature sensor

19 and 16 S3 Upper DHW storage tank

temperature sensor

20 and 16 S4 Center DHW storage tank

temperature sensor

21 and 16 S5 Lower DHW storage tank

temperature sensor

22 and 16 S6 DHW temperature sensor

Establish the jumper from 16 to common terminal.

Wire cross section for sensor connections:

Min. 0.4 mm2

Total cable length: Max. 125 m (all sensors incl. system device

bus)

Cable lengths of more than 125 m may cause noise sensibility

(EMC).

Connecting and placing the

temperature sensors

14a 14b

The grey

side of the

ECL Card

Basic set-up

The grey

side of the

ECL Card

Basic set-up

How to insert your ECL Card the ﬁrst time

After the power has been switched on, open the lid on the

front side of the controller.

Place the ECL Card with the yellow side facing you. This

enables the controller to read the ECL Card data. The

controller immediately starts to copy the application type and

factory settings from the ECL Card. After copying, the display

will show you the application type. After approx. 10 sec. the

display will change to display line C.

Display example:

Software

version, ECL

Card

Line

Circuit

Time

Outdoor

temp.

C99

C73

05 109

036912 15 18 21 24

023

Application type

Software version,

controller

Desired room temp.

The controller is now ready to be set to control your system.

If the display keeps showing CPY, see section 34b.

Inserting the ECL Card

15a

Understanding the ECL Card

The ECL Card contains factory settings for a standard

system. If the actual system diﬀers from the standard

system, the controller must be adjusted accordingly. After

the adjustment, the new settings should be stored on the

ECL Card.

For ECL Card copying and daily use including adjustment

of temperatures and schedules, insert the ECL Card with

the yellow side facing you.

For system set-up adjustments, the grey side of the ECL

Card - the installer’s side - must be facing you.

As a main rule, the ECL Card should always remain in the

controller during service, maintenance and setting.

If the card is removed or left in the controller with the grey

side facing you, please note that:

• After approx. 25 min.:

- The controller cannot be operated.

- The controller reverts to display C (section 1).

• The ECL Card must not be exposed to direct heat or

sunshine.

If several controllers are installed in the system you can

write a title on the ECL Card with a permanent ink pen.

Do not remove the ECL Card while copying. The data on the

ECL Card can be damaged!

When you store your personal settings on your ECL Card, the

factory settings will be overridden.

15b

The grey

side of the

ECL Card

Basic set-up

The grey

side of the

ECL Card

Basic set-up

General principles

When the controller is connected and operating you can

check and adjust all or some of the basic settings. Turn the

ECL Card so that the grey side is facing you (see the example

below).

Use the arrow buttons to move from line to line of

the ECL Card, for example line 2:

Circuit

Line

1 2

Adjustable setting

Use the plus / minus buttons to adjust the

settings.

In some displays more than one setting or value

can be adjusted. Use the shift button to switch

between the options.

Update of the ECL Card after maintenance and service

All new settings can be stored on the ECL Card. For details

about copying, see section 34.

Adjusting the ECL Card

settings

Actual time

Year

5720

Month, day

Use the shift button to switch between minutes,

hours, years, months and days.

Set the correct time and date.

In case of a power break, which lasts longer than 12 hours, the

time and the date have to be set again. All other settings are

stored as programmed.

Use the yellow side of the card to change the schedules.

See User’s Guide, section 4.

Setting the time and date -

line A 17

The grey

side of the

ECL Card

Basic set-up

The grey

side of the

ECL Card

Basic set-up

Controlled units

DHW

storage

tank temp.,

center

sensor (S4)

1 2

034

DHW

storage

tank temp.,

lower

sensor (S5)

Push and hold the shift button to see:

- the desired DHW storage tank temperature.

The activity of controlled units is shown as blanks (OFF) or ON

/ arrow up when the unit is ON.

If a sensor is not mounted or is disconnected, the display will

indicate it as “- -”.

If the sensor is short-circuited, the display will indicate

it as “- - -“.

If you are in doubt, remove the controller and check the

ohmic value between the relevant terminals.

Relationship between temperature and ohmic value

-50

800

900

1000

1100

1200

1300

1400

1500

1600

-25 0255075 100 125 150

°C

805

845

883

922

961

1000

1039

1078

1117

1155

1194

1232

1271

1309

1347

1385

1423

1462

1501

1539

1578

°C

-50

-40

-30

-20

-10

100

110

120

130

140

150

Shift to manual mode.

Controlled units

1 2

034

Controller mode

Choose the unit you want to control. The selected

unit symbol will blink.

Controlled units are switched OFF or ON when the

relevant button is pushed.

During manual operation, all control functions are deactivated.

Monitoring temperatures

and system units - line B

18 Manual control -

line B 19

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