sauter QRK 201 F001 Operating Instructions Manual

Operating instructions

Heating controller

QRK 201 F001

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You have opted for a Sauter control unit, a quality product from a leading manufacturer of control devices for heating, ventilation

and air conditioning.

Your new device features simple operation in connection with advanced micro-processor technology. Please follow operating

instructions for adapting the device to your specific system and requirements

.

Due to its automatic change-over between summer and winter modes (and vice-versa), its automatic weather compensation and

adaptation to building characteristics and heating systems, the individually programmable time programs for controlling the nightly

temperature reduction, domestic hot water charge etc, optimisation of ON/OFF switching time sections for normal and nightly tem-

perature and controlled booster pre-heating mode, this device enables consequent energy saving programs to be implemented

while simultaneously ensuring high comfort. The quartz clock of the controller has an automatic summertime/wintertime change-over

system and works without environmentally unfavourable batteries or accumulators.

Due to a high flexibility of the input and output configuration, this controller can be adapted perfectly to different types of heating

systems; demand-led heating circulation pumps (with speed reduction control), domestic hot-water charge pumps and general circu-

lation pumps can be controlled in addition to one or two three-point control valves. The controller measures all parameters relevant

for an efficient heating system control by means of up to eight "Nickel 1000" temperature sensors and additional special inputs for

flow measurement with three optional methods.

The controller can be configured and programmed on site without any additional accessories; it can also be adapted to an extended

range of tasks at a later time.

The exceptionally high number of functions includes safety features such as the system frost-protection function which is activated

in OFF mode, standstill-damage protection of the circulation pumps during summer, anti-legionella function for hygienically unob-

jectionable hot water, minimum and maximum limitation of temperatures and flow, etc.

With the optional remote control accessory, the heating controller can be operated from up to two independent homes or offices.

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Table of contents

User information

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Controller front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

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Operating elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

The information centre . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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Heating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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Domestic hot-water modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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Special conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

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Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

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Control values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Frequently used abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Factory settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

SET

time operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

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Setting the day of the week and the time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

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Setting year and date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

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Activating the wintertime/summertime change-over . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

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Activating the summertime/wintertime change-over . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Selection of operating mode (heating and domestic hot water) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Short-term interruption of the weekly program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Party function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Adapting the heating characteristic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Adapting the normal temperature setpoint. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Tips for energy saving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

PRO

time programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

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Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

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Weekly program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

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Annual program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Switching-time optimisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Inquiry and adaptation of user adjustment values

PAR

(parameters) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Hand switch, emergency operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Automatic switch-off/switch-on (daily heating limit, summer/winter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Manual activation of winter mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Manual activation of summer mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Frost-protection function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Pump control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Anti-jamming function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Mains power failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

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Room-temperature sensor EGT 320 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

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Remote-control unit EGS 52/15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Malfunctions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Specialist’s information

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

SERV service settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

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Output status configuration in manual operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

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3-point output configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

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2-point output configuration, pump follow-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

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Calibration of the temperature and flow inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

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Configuration of binary and temperature inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

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Flow rate and return temperature limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

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Closed-loop control via final control element V1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

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Closed-loop control via final control element V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

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Heating system, building and air conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

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Heating characteristic 1 (for heating circuit 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

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Heating characteristic 2 (for heating circuit 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

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Limits for heating characteristic 1 (heating circuit 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

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Limits for heating characteristic 2 (heating circuit 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

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Type of building . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

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Switching-time optimisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

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Adaptation of heating characteristic(s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

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Domestic hot water. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

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Pre-control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Characteristic curves for heating and domestic hot water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Resistance values of the temperature sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Wiring diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Record sheets

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Weekly and annual switching program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

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Configuration sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Index

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

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User information

Controller front view

Information panel Operating keys

Slide switch

Service and adaptor keypad

SETPROPAR SERV

SERV

Normal operation

Reduced operation

OFF mode

Party

Short-term presence/absence

Automatic operation acc. to time program

Normal-temperature setpoint

(= PAR 1)

Forward

Return

Numerical keypad

Clearing and preparation of a new entry

Control parameter entry

Time program entry

Entry of day of the week,

time and date

Service

Domestic-hot-water system disabled

Domestic-hot-water system enabled

Annual program in conjunction

with PRO key

. . .

PAR

PRO

SET

User keypad with function keys Service and adjustment keypad

Operating-mode switch

Operating elements

1

AUTO

2

AUTO

Incrementation keys

1

B01493

Manual operation

Automatic operation

Service

Interface RS 232

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The information centre (LCD)

This display unit provides information on the current operating status of the heating system. Flashing symbols prompt parameter

entry or indicate a special operating condition and are designated with the symbol in the following text. means factory

setting of the controller.

Heating modes

If no "upper" clock symbol is shown in conjunction with the

display of the current operating mode, this indicates either con-

tinuous operating of heating circuit 1 or timer-controlled opera-

tion.

When 2 heating circuits are configured, the operating mode of

the second heating circuit will be indicated by a flashing symbol

if different from the operating mode of the first heating circuit.

The "upper" clock symbol is only displayed for heating

circuit 1.

Operating modes for domestic hot water

If no "lower" clock symbol is shown in conjunction with the

display of the current operating mode, this indicates either con-

tinuous operation of the domestic-hot-water system or timer-

controlled operation.

12

3

2

0

I

2

LIM

OPT

2

SET

PRO

PAR SERV

m /h

3

d

°C

B01494

. . .

(

upper

)

Heating operation controlled by weekly program

(

upper)

Heating operation controlled by annual program

Heating operation controlled by timer (without upper clock symbol)

Normal operation

Reduced operation

Off mode

(

lower

)

Domestic-hot-water operation controlled by weekly program

(

lower

)

Domestic-hot-water operation controlled by annual program

Domestic-hot-water operation controlled by timer control (without lower clock symbol)

Domestic-hot-water heating disabled

Domestic-hot-water heating enabled (setpoint 1)

Domestic-hot-water heating enabled (setpoint 2)

Heating

Domestic hot water

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Special conditions

Outputs

External temperature below freezing (frost-protection function will be activated as required)

Optimised heating phase

Optimised temperature reduction/switch-off phase

Flow or return-temperature limiting function has been triggered

Emergency operation: flow transmitter defective

Valve 1 opens

Time-channel contact to exterior is open (will

only be displayed for creating the corresponding

time program)

Valve 1 closes Time-channel contact to exterior closed

Valve 2 opens Charge pump for domestic hot water on

Valve 2 closes Circulation pump for domestic hot water on

Circulation pump of heating circuit 1 on

Charge pump 2 on

Circulation pump of heating circuit 2 on

Internal circulation pump (secondary) on

Speed-reduction output for

circulation pump of heating circuit 1 switched on

OPTEIN output on

Speed-reduction output for

circulation pump of heating circuit 2 switched on

Heat demand

OPT

LIM

0

I

2

3

OPT

2

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Control values

In closed-loop operation, several values can be inquired or dis-

played continuously.

The display can be changed by means of the incrementation

keys (forward) and (return).

A thermometer symbol is always shown in conjunction with a

temperature setpoint; a flashing thermometer symbol indicates

an

actual temperature value.

Year/month/date of the digital clock (from the controller)

B07565

2

Weekday and time of the digital clock

Actual value of ouside temperature

Actual value of room temperature

Setpoint for room temperature

Actual value of room temperature

Setpoint for room temperature

Actual value of DHW temperature

(upper)

Setpoint for DHW temperature

Actual value of DHW temperature

(lower)

DHW

Heating circuit 2

Heating circuit 1

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Flow temperature setpoint

Actual return temperature

Return temperature limitation setpoint

Actual flow temperature

Flow temperature setpoint

Flow temperature setpoint regulated

by valve V2

Primary flow rate, max. limit

regulated

by valve V2

m /h

3

m /h

3

m /h

3

2

Actual return temperature

Return temperature limitation setpoint

Primary flow rate, actual value

Primary flow rate, min. limit

regulated

by valve V1

flow rate

Actual flow temperature

2

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Frequently used abbreviations

Temperatures

T

A

= outdoor temperature

T

F

= flow temperature

T

FS

= flow-temperature setpoint

T

FS(W)

= flow-temperature setpoint during domestic-hot-water

charge

T

I

= base point (initial point) of the heating curve

T

R

= room temperature

T

RS

= room-temperature setpoint

T

RF

= return temperature

T

RFS

= return-temperature setpoint

T

W

= domestic-hot-water temperature

T

WS

= setpoint of domestic-hot-water temperature

Control parameters

S = slope of heating characteristic

t

N

= reset time

X

p

= proportional band

X

sh

= neutral zone

X

sd

= switching differential

X

sd(w)

= switching differential for domestic hot water tank

Other abbreviations

BW = domestic (hot) water

KW = cold water

HE, HA = auxiliary contacts of the valve actuator which is

closed above or below a certain valve travel/value

flow rate

HK.. = heating circuit..

I.. = input..

O.. = output..

LP.. = charge pump .. for domestic hot water

UP.. = circulation pump .. (heating)

ZP = circulation pump for domestic hot water

t

AK

= building (cooling) time constant

V.. = valve/final control element ..

F=flow rate

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Factory setting

The factory settings ( ) refer to an average building and a

common system layout.

You can, of course, adpat all settings quickly and easily to

your specific requirements.

Day of the week and time SET

3 12.03 Wednesday 12:03; after the initial switch-on

a random value is shown here for the day

of the week and for the time.

Year and date

90 01.01 January 1, 1990

Date for switching from wintertime to summertime

03.25 March 25

Date for switching from summertime to wintertime

10.25 October 25

Weekly program PRO 1 for heating circuit 1

No enable/disable commands are programmed for the domestic

hot water supply in the factory settings. This means that do-

mestic hot water is heated at any time if required.

See section PAR... for factory settings of user adjustment values

See section SERV... for factory settings of service adjustment

values.

SET time operations

Setting the day of the week and the time

Example: the current day of the week is Tuesday (2nd day of the week), the time is 09:14 am.

PRO 1 0 06:00 Daily normal operation

0 22:00 from 6:00 am to 22:00 pm

6 07:00 Normal operation on Saturdays

6 23:00 from 7:00 am to 23:00 pm

7 07:00 Normal operation on Sundays

7 22:00 from 7:00 am to 22:00 pm

Key Display Explanation

1 23:45

SET mode selected, display shows the current values for day of the week and controller time

– – –:– –

Invalid day of week and time cleared (if required)

2 09:14

Enter valid day of week (2 = Tuesday) and valid time (09:14 = 9:14 am)

1 = Monday 3 = Wednesday 5 = Friday

2 = Tuesday 4 = Thursday 6 = Saturday

7 = Sunday

SET

8

2

0

9

1

4

R

–

9

–

7 000458 003

Setting year and date

Activating the wintertime/summertime change-over

According to the change-over dates entered in the factory

settings, the seasonal time changeover will automatically take

place during the last Sunday of march/october. The change over

takes place on the Sunday following the change-over date, at

02 o’clock am. If other change-over times are required, these

settings can be implemented as follows:

Activating the summertime/wintertime change-over

Key Display Explanation

e. g. 1 23:45 SET mode selected, display shows day of the week and time

e. g. 93 10.18 Select controller date (year/month/day)

– – –:– – Invalid date cleared

e. g. 93 11.27 Enter valid date (year/month/day)

Key Display Explanation

e. g. 1 23:45 SET mode selected, display shows day of the week and time

2×

e. g. 03.25 Date (month/day) for wintertime/summertime change-over (h+)

– –.– –

Clear invalid date

e. g. 04.01 Enter valid date (month/day)

Key Display Explanation

e. g. 1 23:45

SET mode selected, display shows day of the week and time

3×

e. g. 10.25

Date (month/day) for summertime/wintertime change-over (h-)

– –.– –

Clear invalid date

e. g. 10.01

Enter valid date (month/day)

SET

8

9

3

1

2

7

SET

8

0

3

2

7

SET

8

0

9

2

6

R

–

10

–

7 000458 003

Selecting the operating mode (heating and domestic hot water)

By pressing one of the keys shown below, you can select the following modes of operation:

The clock symbol is never used for heating circuit 2; here only

the current operating mode is displayed. A flashing operating

mode symbol ( , , ) always refers to heating circuit 2. If

the operating modes ( , , ) are the same for both heating

circuits, the corresponding symbol is shown continuously.

If, in addition, a remote control device is installed, this device will

only act on one heating circuit. An additional remote-control unit

must be installed for the second heating circuit, if required. Re-

mote control has priority only when the controller is in automatic

mode PRO 1 or 2.

Automatic mode:

Heating operation and enabling/disabling the charge of domestic water is controlled according to

the time program as specified in PRO 0...2. If further time channels have been configured in PRO 0...2, they will

also be operated according to this time program.

Heating system in

continuous

normal operation (upper symbol disappears from the display)

If an additional heating circuit is installed, the operator must specify whether the entry is valid for heating

circuit 1 or heating circuit 2 after pressing the key.

This is effected by means of key for heating circuit 1 or for heating circuit 2.

The operating mode of the heating circuit not addressed by the entry remains unchanged.

If the key is pressed instead of or , both circuits will be switched to winter operation.

Heating system in

continuous

reduced operation (upper symbol disappears from the display)

If an additional heating circuit is installed, the operator must specify whether the entry is valid for heating

circuit 1 or heating circuit 2 after pressing the key.

This is effected by means of key for heating circuit 1 or heating circuit 2.

The operating mode of the heating circuit not addressed by the entry remains unchanged.

If the key is pressed instead of or , both circuits will be switched to winter operation.

Heating

continuously

switched off (upper symbol disappears from the display). The

frost protection function

will reliably prevent damage to the heating system when outdoor temperature drops below freezing point.

If an additional heating circuit is installed, the operator must specify whether the entry is valid for heating

circuit 1 or heating circuit 2 after pressing the key.

This is effected by means of key for heating circuit 1 or for heating circuit 2.

The operating mode of the heating circuit not addressed by the entry remains unchanged.

If the key is pressed instead of or , both circuits will be switched to summer operation.

Single immediate

charging of the domestic-hot-water-tank. This is also possible during periods in which the hot

water system is disabled if the domestic-hot-water-temperature lies below the setpoint (SERV 90).

Domestic-hot-water charging continuously disabled

(lower symbol disappears from the display) or

interruption of single immediate charging.

1

2

1

2

1

2

1

2

1

2

1

2

1

2

1

0

R

–

11

–

7 000458 003

Short interruption of the weekly heating program

After the switching command (in our example at 10:00 pm) following A, the heating operation will return to the weekly program.

Party function

(Please note: The switching command 7 23:30 has been entered in addition to the factory-set weekly program)

(without previous actuation of or ) results in a RESET

command for the party function and the short-term absence/pre-

sence function. These two functions can only be activated for

heating circuit 1 and 2 if the selected heating circuit is in winter

operation and operation is controlled by the weekly program.

When operation is controlled by the weekly program, the operating mode can be changed until the next switching com-

mand is released. The operating modes are switched according to the symbols printed on the keys.

If a second heating circuit is installed, the operator must specify whether the entry is valid for heating

circuit 1 or heating circuit 2 after pressing the yellow key. This is effected by means of key for heating

circuit 1 and for heating circuit 2.

Example: 0 06:00 , 0 22:00 ; the house is left at time A with the intention of returning late at night.

06:00 22:00 06:00

06:00 22:00 06:00A

A

1 x

Prematurely reduced heating operation

06:00 22:00 06:00A

Heating OFF until the next switching

command is released

or

2 x

B01530

When operation is controlled by the weekly program, the next switching command will not be executed. After the key

has been pressed, the symbol in the display will flash. The function is cancelled when the same key is pressed

again.

If an additional second heating circuit is installed, the operator must specify whether the entry is valid for heating

circuit 1 or heating circuit 2 after pressing the yellow key. This is effected by means of key for heating

circuit 1 and for heating circuit 2.

07:00 23:00 07:00

07:00

No change-over to ,

B01531

23:00 07:00

Example 2: Sunday 7 07:00 , 7 22:00 , 7 23:30

07:00 23:30 06:00

07:00

22:00

23:30 06:0022:00

Example 1: Saturday 6 07:00 , 6 23:00

Change-over to ,

at a later time

1

2

1

2

1

2

1

2

R

–

12

–

7 000458 003

Adapting the heating characteristic

A properly adapted heating characteristic results in a constant

room temperature even with varying outdoor temperatures. The

factory settings of the controller heating characteristic are de-

signed for an average building with radiator heating. If no room-

temperature sensor is available or if the reference room is not

typical for the entire building, the heating characteristic can be

adapted

manually

(see below for automatic correction). If the

set normal temperature (user adjustment value PAR no. 1) is not

reached after a couple days, corrections can be entered as fol-

lows (example for heating circuit 1):

Correct: PAR no. 1 in steps of 0.5 °C max. and PAR no. 3 in

steps of 0.05 max. until the desired normal temperature is

reached. If possible, introduce only one change per day in order

to give the building time to adjust to the new condition.

If there is a second heating circuit, the same applies with the ap-

propriate parameters:

PAR 7 = normal temperature of heating circuit 2

PAR 9 = curve slope of heating circuit 2

and for the corresponding SERV adjustment values.

If a room-temperature sensor is available in a typical room

(reference room) of the building, an

automatic

adaptation of the

heating characteristic can be triggered via setting value

SERV 88.

It is essential for this mode that any thermostat valves installed

in this room remain in their fully open position.

By means of the measured deviations of the room temperature

from the corresponding setpoint and the average outdoor tem-

perature calculated for the measuring period, the system will

either.

•

adjust the slope of the heating characteristic (PAR 3);

or

•

adjust the curvature factor of the heating characteristic

(SERV 66);

or

•

shift the base point of the heating characteristic

(= external heat supply) horizontally.

The number of adaption steps executed is shown under

SERV 88

The automatic adaption of the heating characteristic parameters

is executed with high weighting factors for the first adaption steps

(if a deviation has been detected) and with reduced weighting

for the subsequent adaption steps.

Observation Action

Normal temperature

too high

during warm

and cold

weather

Reduce normal temperature PAR no. 1

during warm

weather only

Reduce normal temperature (PAR no. 1) and increase slope

of heating characteristic (PAR no. 3)

during cold

weather only

Reduce slope of heating characteristic (PAR no. 3)

Normal temperature

too low

during warm

and cold

weather

Increase normal temperature (PAR no. 1)

during warm

weather only

Increase normal temperature (PAR no. 1) and reduce slope of

heating characteristic (PAR no. 3)

during cold

weather only

Increase slope of heating characteristic (PAR no. 3)

B01093

B01096

B01098

B01099

B01100

B01101

R

–

13

–

7 000458 003

Adapting the normal-temperature setpoint

Normal temperature can easily be changed by pressing the keys shown above (see also PAR 1 and 7). If a second heating circuit

is installed, the operator must specify whether the entry is valid for heating circuit 1 or heating circuit 2 after pressing the

yellow key. This is effected by means of key for heating circuit 1 or for heating circuit 2.

Example:

Use these keys when the heating characteristic is adjusted properly and the normal temperature is to be increased or reduced

(please refer also to the section on remote control EGS 52/15)

Tips for energy saving

Your heating system controller has been designed according to

state-of-the art principles of energy saving. Your management

of the heating system is, however, also important.

•

The highest savings are possible when the heating

system is switched off during the night. Normal buildings

(of medium-heavy construction and average-type insu-

lation) cool down by 2...3 °C when the heating is

switched off for between 8 and 10 hours. Try to comple-

tely switch off the heating system over night ( instead

of reduced operation ). The integrated frost protection

function will reliably prevent freezing of system compo-

nents.

•

Can the switching times of the weekly program for or

operation be advanced?

•

Heat to temperatures between 19 °C and 21 °C.

Each additional degree increases the heating costs by

approx. 6 %.

•

Air the rooms only for short periods (5 min) but with wide

open windows and, if possible, across the room.

•

The radiator-thermostat valve can be partially closed in

rooms not being used for a considerable period of time

(except for the reference room).

•

Close window shutters and curtains at night.

•

Curtains hanging over the radiators reduce their efficien-

cy and result in increased energy consumption.

•

Switch the heating system to reduced temperature ( )

or OFF ( ), when you leave the house for several

hours. Use the short-term absence key for this

purpose.

B01532

2

1

2

±

0.5 °C per depression

B01533

R

–

14

–

7 000458 003

PRO time programs

Dependent on the corresponding system configuration, the com-

ponents of the system can be controlled individually. By pressing

one of the yellow keys of the user keypad, the controller is

switched to the corresponding continuous operating mode (refer

to the section on operating mode selection). The controller nor-

mally operates in mode. By suitably programming the time

programs PRO 0...2, several components of the system can be

triggered once (timer) or repeatedly (weekly and annual pro-

grams). The operating status of the system can be influenced

by several sources in the following manner:

Possible conflicts between the individual sources are solved by

different priorities assigned to the sources (Example: annual

program specifies: heating circuit 1 ON, weekly program spe-

cifies: circuit 1 OFF; the annual program has higher priority than

the weekly program, therefore heating circuit 1 is switched ON).

The timer has the highest priority; it can therefore not be inter-

rupted by the continuous operating mode (disabling is, however,

possible with PRO 0 = 000 (h)).

The controller has 3 time programs:

PRO 0: 1 timer (hourly count-down)

PRO 1: 1 weekly program with a maximum of

40 switching commands

PRO 2: 1 annual program with a maximum of

28 switching commands

SUBSYSTEM / TIME CHANNEL

Source Priority Key

PRO...

0

12

3

4

Auto. timer

999 h max.

1

(highest)

0

Continuous operating

mode

2

–– –

Ext. clock.

refer to SERV 19

3a

––

Autom. annual progr.

28 switching com-

mands max.

4

2

Autom. weekly progr.

40 switching com-

mands max.

5

(lowest)

1

possible operating status

0: Off

0:

0: Off

1: On

1:

1: On

2:

for annual program only:

subsequent operation according to weekly program

2

0

1 1

1

Individual weekly or annual programs can be entered in the record sheets attached at the end of these operating instructions.

R

–

15

–

7 000458 003

If two heating circuits are installed and if both circuit 1 and circuit

2 are supplied by the same heat exchanger (SERV 01 = +3),

heating circuit 1 always has priority *

)

. During operating pha-

ses for heating circuit 1, it is possible to run heating circuit 2 in

or mode, but not in mode. The setpoint of the secondary

flow temperature for the corresponding operating modes can be

seen in the following table:

Heating circuit 1

(HK1)

Heating circuit 2

(HK2)

Secondary

flow temperature

setpoint

Annual program, weekly program, timer, external clock, conti-

nuous operating mode, etc., have the following priorities:

Priority 1: Timer (highest priority)

Priority 2: Continuous operating mode

Priority 3a: External clock

Priority 3b: Remote control

Priority 4: Annual program

Priority 5: Weekly program (lowest priority)

*) Exception: Domestic hot water heating in parallel operation. In this case, the corresponding flow temperature setpoint applies

for domestic-hot-water heating.

After the key has been pressed, the automatic programs are generally displayed and entered in 3 steps:

Step 1:

Selecting the time program

Step 2:

Selecting the time channel

Step 2:

Selecting the operating status

2

7

PRO

Key Program

Timer

Weekly program

Annual program

Key Channel

External time channel

Heating circuit 1

Heating circuit 2

Domestic-hot-water circuit

•

Heating circuit 1

•

Domestic hot water

– function heating disabled

– function heating enabled (setpoint 1)

– function heating enabled (setpoint 2)

•

Heating circuit 2

•

Time channel to exterior

– function

0

OFF

– function 1 ON

– function

•

Domestic-hot-water circ.

0

OFF

1

ON

0

1

2

0

1

2

3

4

0

1

2

0

1

0

1

R

–

16

–

7 000458 003

Timer PRO 0

Enables the operating status or mode to be specified for 1...999 hours (~ 40 days).

The timer function can then be activated for another time channel by using the same procedure.

Key Function Display

Set controller to time-program entry status

–

Select timer function

/ / / /

*)

Select time channel to be programmed:

e. g.

Heating circuit 2 (see above)

0 h

Clear displayed period

– – – h

e. g. ...

Enter required period,

027 h

e. g. for 27 h

Enter desired operating status or mode:

e. g.

reduced operation (see above)

Return to automatic operation

7

PRO

0

2

2 2

2

0 9

2

0

2

7

1

R

–

17

–

7 000458 003

Weekly program PRO 1

Up to 40 switching commands in total can be entered for the

existing time channels with time periods of up to one week.

The program is repeated every week.

Then, another time channel of the weekly program can be se-

lected by using the same procedure

The 40 switching commands of the weekly program can be

distributed among the configured time channels in any arrange-

ment.

For heating circuit 1, factory settings are entered into the weekly

program ( ) which can simply be adapted as required

(refer to factory settings).

The switching commands valid for daily actuation (0 hh:mm) are

not taken into account on special days (1...7 hh:mm).

*

)

Dependent on configuration

Key Function Display

Set controller to time-program entry status

–

Select weekly program

/ / / / *

)

Select the time channel for which the 1st switching command

of the weekly program shall be displayed*

)

e.g.

Heating circuit 1 (see above)

0 06:00

Call the next switching command of the selected time channel

(if required)

0 22:00

Delete the displayed switching command (if required)

– – –:– –

e.g.

Enter the new switching time, e.g. for every day, 9:30 pm and...

0 21:30

e.g.

Enter the operating mode assigned to the switching time...

(see above)

0 21:30

Return to automatic mode

0 = Daily 1 = Monday 2 = Tuesday 3 = Wednesday

4=Thursday 5=Friday 6=Saturday7= Sunday

1

7

PRO

1

0

2

1

0

2

1

3

0

1

R

–

18

–

7 000458 003

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