Danfoss C67 Bedienungsanleitung

C67

VI.KM.F1.02

2005.09

VI.KM.F1.02

2005.09

www.danfoss.com

User's Guide 

Installer's Guide 

www.danfoss.com

ECL Comfort

Installer's Guide

ECL Comfort

User's Guide

*087R8147*

*VIKMF102*

*087R8147*

*VIKMF102*

Double mixing controller with DHW control

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 Outdoor temperature sensor

S2 Flow temperature sensor, circuit I

(and charging temperature sensor, DHW circuit)

S3 Return temperature sensor, circuit I

S4 Flow temperature sensor, circuit II

S5 Return temperature sensor, circuit II

(or charging temperature sensor, DHW circuit

or lower tank temperature sensor)

S6 Upper tank temperature sensor

P1 Circulation pump, heating, circuit I

P2 Circulation pump, heating, circuit II

P3 Circulation pump, DHW

M1 Motorized control valve, circuit I

M2 Motorized control valve, circuit II

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 087B4820

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 Setting the heat curve - line C

21 Heating cut-out - line 1

22 Flow 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 DHW charging temperature

4 Set your personal schedule

5 Advantages of the ECL Card

6 Hot points

7 Deﬁnitions

VI.KM.F1.02

Card C67

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 C67 is very ﬂexible. These are the basic

principles:

Heating:

Typically, the ﬂow temperature is always adjusted according to

your requirements.

The ﬂow temperature sensors S2 (circuit I) and S4 (circuit II) are

the most important sensors. The desired ﬂow temperatures at S2

and S4 are calculated in the ECL controller, based on the outdoor

temperature (S1). The lower the outdoor temperature, the higher

the desired ﬂow temperature.

The motorized control valves M1 (circuit I) and M2 (circuit II) are

opened gradually when the ﬂow temperature is lower than the

desired ﬂow temperature and vice versa.

The return temperature, S3 (circuit I) and (if available) S5 (circuit

II) 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 / valves. In boiler-based heating supply the return

temperature should not be too low (same adjustment procedure

as above).

If the measured room temperature does not equal the desired

room temperature, the desired ﬂow temperature / temperatures

can be adjusted.

DHW:

If the measured DHW temperature is lower than the desired DHW

heating temperature minus the cut-in diﬀerence, the desired ﬂow

temperature at S2 is increased in order to heat the DHW. DHW

heating can have priority, i.e. pump P3 is ON and the pump P1 is

OFF (or changeover valve is activated and P1 is still ON).

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 1.08.

10.1 Two indirectly connected heating systems

and secondarily connected storage tank

with built-in heating coil

System settings

Circuit Line Description Recomm.

setting

I 17 Inﬂuence on desired ﬂow temp. OFF

I 43 Priority or parallel operation 99

I 51 DHW charging pump /

changeover valve OFF

I 53 Desired ﬂow temperature at

DHW charging OFF

I 67

Adaptive function of S2 ﬂow

temperature during DHW

charging

OFF

I 140 Function of temperature sensor

S5 0 (1)

I 152 Max limitation temperature at

sensor S2 during DHW charging 90

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

10.1a Two indirectly connected heating systems

and secondarily connected storage tank

with built-in heating coil

System settings

Circuit Line Description Recomm.

setting

I 17 Inﬂuence on desired ﬂow temp. OFF

I 43 Priority or parallel operation OFF

I 51 DHW charging pump /

changeover valve ON

I 53 Desired ﬂow temperature at

DHW charging OFF

I 67

Adaptive function of S2 ﬂow

temperature during DHW

charging

OFF

I 140 Function of temperature sensor

S5 0 (1)

I 152 Max limitation temperature at

sensor S2 during DHW charging 90

10b

Installation

10c

10.2 Two indirectly connected heating systems

and primarily connected storage tank with

built-in heating coil

System settings

Circuit Line Description Recomm.

setting

I 17 Inﬂuence on desired ﬂow temp. OFF

I 51 DHW charging pump /

changeover valve OFF

I 53 Desired ﬂow temperature at

DHW charging ON

I 67

Adaptive function of S2 ﬂow

temperature during DHW

charging

OFF

I 140 Function of temperature sensor

S5 0 (1)

I 152 Max limitation temperature at

sensor S2 during DHW charging 90

Installation

10.3 Indirectly connected heating system with

or without mixing loop and primarily

connected storage tank with built-in heating

coil

System settings

Circuit Line Description Recomm.

setting

I 17 Inﬂuence on desired ﬂow temp. 3

I 43 Priority or parallel operation 99

I 51 DHW charging pump /

changeover valve OFF

I 53 Desired ﬂow temperature at

DHW charging OFF

I 67

Adaptive function of S2 ﬂow

temperature during DHW

charging

OFF

I 140 Function of temperature sensor

S5 0 (1)

I 152 Max limitation temperature at

sensor S2 during DHW charging 90

Heating circuit II can only be operated against heating circuit I.

This means that heating circuit II cannot be supplied if heating

circuit I is deactivated.

10d

Installation

10e

10.4 Indirectly connected heating system with

or without mixing loop and secondarily

connected storage tank with built-in heating

coil

System settings

Circuit Line Description Recomm.

setting

I 17 Inﬂuence on desired ﬂow temp. 3

I 43 Priority or parallel operation 99

I 51 DHW charging pump /

changeover valve OFF

I 53 Desired ﬂow temperature at

DHW charging OFF

I 67

Adaptive function of S2 ﬂow

temperature during DHW

charging

OFF

I 140 Function of temperature sensor

S5 0 (1)

I 152 Max limitation temperature at

sensor S2 during DHW charging 90

Heating circuit II can only be operated against heating circuit I.

This means that heating circuit II cannot be supplied if heating

circuit I is deactivated.

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