Danfoss ECL Comfort 110 Manuale utente

Operating Guide

ECL Comfort 110, application 116

(valid as of software version 1.08)

English version

www.danfoss.com

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How to navigate?

Safety Note

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

observe these instructions carefully. 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.

Adjust temperatures and values.

Switch between menu lines.

Select / return.

2 sec.

Return to daily user menu.

What do the symbols mean?

Mode COMFORT<

Temp. 48@½1000

The desired ﬂow temperature is inﬂuenced by for example return temperature.

The actuator closes the control valve.

The actuator opens the control valve.

The actuator does not activate the valve.

The pump is ON.

The pump is OFF.

The controller is in setback mode.

The controller is in pre-setback mode (the symbol is blinking).

The controller is in comfort mode.

The controller is in pre-comfort mode (the symbol is blinking).

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Table of contents

Table of contents Line Page

Constant temperature control of domestic hot-water systems (DHW)

User guide, installation & maintenance

Introduction 5

Settings overview 6

Daily use 7

Temperatures 7

Select control mode 8

Set your personal schedule 8

Maintenance 10

Date - time 1000 10

Flow temp. (ﬂow temperature control) 2000 10

Temp. min. (ﬂow temp. limit, min.) 2177 10

Temp. max. (ﬂow temp. limit, max.) 2178 10

Return T limit (return temp. limitation) 4000 11

Limit (return temp. limitation) 4030 11

Gain - max. (return temp. limitation - max. inﬂuence) 4035 12

Gain - min. (return temp. limitation - min. inﬂuence) 4036 12

Intgr. time (time constant for return temp. limitation) 4037 13

Control param. (control parameters) 6000 14

Auto tuning 6173 14

Motor prot. (motor protection) 6174 15

Xp1 at 65 C (proportional band) 6184 15

Xp2 at 90 C (proportional band) 6129 15

Tn (integration time constant) 6185 16

Tn - idle (integration time constant) 6096 16

M1 run (running time of the motorized control valve) 6186 16

Nz (neutral zone) 6187 17

Open time 6094 18

Close time 6095 18

S2 idle 6097 18

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Table of contents

Application 7000 19

P1 exercise (pump exercise) 7022 19

M1 exercise (valve exercise) 7023 19

P1 frost T (frost protection) 7077 19

P1 heat T (heat demand) 7078 19

Standby T (standby temperature) 7093 20

Ext. (external override) 7141 20

Min. on time (min. activation time gear motor) 7189 20

Daylight (daylight saving time changeover) 7198 21

ECL address (master / slave address) 7199 21

Type 7600 22

Service 8000 23

Code no. 8300 23

Ver. (version no.) 8301 23

Backlight (display brightness) 8310 23

Contrast (display contrast) 8311 23

Language 8315 24

MOD address (MODBUS address) 8320 24

Installation 25

Mounting the ECL Comfort controller 25

Electrical connections - 230 V a.c. - in general 26

Electrical connections - 24 V a.c. - in general 27

Connecting the temperature sensors and the ECL BUS 28

Connecting the ﬂow switch (FS) 28

How to identify your system type 29

Adapting the ECL Comfort 110 controller 31

Manual control 32

Placing the temperature sensors 33

Checklist, electrical connections 34

Frequently asked questions 35

Deﬁnitions 36

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Introduction

How to use this guide

The instructions is divided into six parts:

• Introduction

• Settings overview

• Daily use

• Maintenance

• Installation

• Check

Basic principles of application 116 for ECL Comfort 110

If the measured ﬂow (DHW) temperature (S3) is lower than the desired DHW

temperature, the motorized control valve (M1) is opened gradually and vice versa.

The return temperature (S4) to the district heating supply should not be too high. If so,

the desired ﬂow temperature can be adjusted (typically to a lower value) thus resulting

in a gradual closing of the motorized control valve, i.e. the return temperature will

decrease.

The circulation pump, P1, is ON when the desired ﬂow temperature is higher than 20 °C

(factory setting) or the actual ﬂow temperature (S3) is below 10 °C (factory setting).

Furthermore, a ﬂow switch (FS) signal (terminals 11 + 12) can be applied in order to heat

the DHW separately on DHW demand (DHW tapping, DHW draw-oﬀ).

If a supply temperature sensor S2 is connected, the proportional band Xp is adapted

to the actual temperature in order to avoid control instability. In addition, an idle

temperature for the supply temperature can be maintained to minimize the heat-up

time for the DHW.

° C

FS Time

°C (degrees Celsius) is an absolute temperature whereas K (Kelvin) is a relative temperature.

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Settings overview

Line Page Factory

setting

Your

setting

Temp. min. (ﬂow temp. limit, min.) 2177 10

Temp. max. (ﬂow temp. limit, max.) 2178 10

Limit (return temp. limitation) 4030 11

Gain - max. (return temp. limitation - max. inﬂuence) 4035 12

Gain - min. (return temp. limitation - min. inﬂuence) 4036 12

Intgr. time (time constant for return temp. limitation) 4037 13

Auto tuning 6173 14

Motor prot. (motor protection) 6174 15

Xp1 at 65 C (proportional band) 6184 15

Xp2 at 90 C (proportional band) 6129 15

Tn (integration time constant) 6185 16

Tn - idle (integration time constant) 6096 16

M1 run (running time of the motorized control valve) 6186 16

Nz (neutral zone) 6187 17

Open time 6094 18

Close time 6095 18

S2 idle 6097 18

P1 exercise (pump exercise) 7022 19

M1 exercise (valve exercise) 7023 19

P1 frost T (frost protection) 7077 19

P1 heat T (heat demand) 7078 19

Standby T (standby temperature) 7093 20

Ext. (external override) 7141 20

Min. on time (min. activation time gear motor) 7189 20

Daylight (daylight saving time changeover) 7198 21

ECL address (master / slave address) 7199 21

Type 7600 22

Code no. 8300 23

Ver. (version no.) 8301 23

Backlight (display brightness) 8310 23

Contrast (display contrast) 8311 23

Language 8315 24

MOD address (MODBUS address) 8320 24

10 °C

90 °C

50 °C

0.0

25 s

OFF

50 K

120 K

20 s

120 s

15 s

3 K

OFF

2.0 s

OFF

10 °C

20 °C

10 °C

OFF

116

XXXX

English

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Daily use

Temperatures

Push any button to switch on the backlight.

Mode COMFORT

Temp. 48@½

Setting the desired DHW temperature

Change the desired temperature.

Temperature overview

2 sec.

Push the button to see the sensor (S3, S4, S2) temperatures, calculated Xp and ﬂow switch

(FS) status.

Change between the temperature displays:

S3:

Actual ﬂow temperature

Desired ﬂow temperature

S3 des. T 48@

S3 act. T 49@

S4:

Actual return temperature

Desired return temperature limitation

S4 lim. T 50@

S4 act. T 24@

Calculated Xp, based on S2 temperature

Actual supply temperature

S2 act. T 78@

Xp actual 87K

Flow switch (FS) not activated = OFF

Flow switch (FS) activated = ON

FS status OFF

Push to exit ‘Temperature overview’.

If the temperature value is displayed as

"- -" the sensor in question is not connected.

"- - -" the sensor is short-circuited.

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Daily use

Select control mode

During scheduled operation (AUTO), the symbols will show you the control mode.

Wednesday

Mode COMFORT<

Change the mode (AUTO, COMFORT, SETBACK, or STANDBY).

Set your personal schedule

It is only possible to set the personal schedules if the ECL Comfort 110 controller has a built-in

ECA 110 timer program.

04-01-12 8:32

Wednesday <

This display will show the current day and time.

Choose the day for which you wish to change the settings.

Today’s schedule

The ﬁrst display will show you the start of the ﬁrst comfort period (‘Start1’). See or change

the start of this period.

The ﬁrst bar will blink.

Wed ]]]][!]]]!!]

Start1

09:00

See or change the end (‘Stop1’) of the ﬁrst comfort period.

AQ188586469032en-010701 © Danfoss | 2020.12 | 9

Daily use

The next bar will blink.

Wed ]]]][!{]]!!]

Stop1 12:00

See or change the start (‘Start2’) of the next comfort period.

Wed ]]]][!{]]!!]

Start2 18:00

See or change the next start / stop periods, if necessary.

Wed ]]]][!{]]!!]

Stop2 22:00

฀฀

The schedule has always two comfort periods a day. The start and stop times can be set in

half-hourly intervals (30 min.).

To arrange only one comfort period on a day: Set Start2 and Stop2 times to the same time

value.

AQ188586469032en-01070110 | © Danfoss | 2020.12

Maintenance

2 sec.

Enter the maintenance menus.

Date - time 1000

It is only necessary to set the correct date and time in connection with the ﬁrst use of the

ECL Comfort 110 controller or after a power break of more than 36 hours (see the chapter on

Adapting the ECL Comfort 110 controller).

Flow temp. (ﬂow temperature control) 2000

Temp. min. (ﬂow temp. limit, min.) 2177

Setting range Factory setting

-20 ... 110 °C 10 °C

Set the allowed min. ﬂow temperature for your system. Adjust the factory setting, if

required.

Temp. max. (ﬂow temp. limit, max.) 2178

Setting range Factory setting

10 ... 150 °C 90 °C

Set the allowed max. ﬂow temperature for your system. Adjust the factory setting, if

required.

The setting for ‘Temp. max.’ has higher priority than ‘Temp. min.’.

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