Honeywell DHC, SDC GETTING STARTED

Heating Controller SDC
Remote Heating Controller DHC

GETTING STARTED

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Controller

5

1

2

3

4

1011

1 "Manual mode" / "Emission measurement" button

(not on remote heating controllers)

2 "Operating modes" button (basic display)

3 "Switching time programs" / "Holiday programs"

button

4 "System information" button

5 Display

6 Cover clip for service socket

7 "Daytime room temperature" button

8 "Night-time room temperature" button

9 "Daytime hot-water temperature" button

10 Input button (press / turn)

11 Operating mode symbols (heating programs)

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Input button (press/turn) – General functions

Selected setpoints and parameters can be changed with
the input button and then saved by pressing the button.
The various programs can be selected by turning the
input button.

Turning to the

increases adjustment

right (+):
Turning to the

decreases adjustment
left (–):
Press: accepts the selected and

displayed value

Press and hold: jumps to the

programming level (level

selection), jumps back to

the previous selection

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Flashing elements in the display

In these instructions, flashing elements in the display are
indicated as follows:

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Basic display

Day of the week, date, time,

À

ÃÂ

Á

heat generator temperature

C

The mark (rectangle) over
the operating mode symbols
indicates the current
operating mode.

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Special indicators

Snowflake symbol:

À

ÃÂ

Á

System anti-freeze active

C

Beach umbrella symbol:

À

ÃÂ

Á

Summer de-activation active

C

(heating switched off; hot
water by program)

Error message (e.g. hot
water) alternates with the
basic display: Contact a
heating specialist!

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6

7

8

9

ð

ö

î

3 s

ö

î

Emission measurement

(for boiler maintenance purposes only)

Press the

button.

C

F

min

C

Heating curves

With the heating curves, the heating power is adapted to
the building condition based on the respective outside
temperature.

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Correcting slope of heating curve

Entering the menu:

Current boiler temperature

Remaining time from
activation

After pressing the button, the heat generator
controls the temperature with regard to the specified
maximum temperature. The duration of the emission
measurement is limited to 20 minutes and may need to
be reactivated.

Cancel: Press the
remaining time.

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button or wait until expiration of

Manual mode

Press and hold the

button for 5 seconds.

C

ð

Return to automatic operation: Press the button.

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Setting daytime room temperature

Press the

Accept the change:

after the set info time expires.

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Setting night-time room temperature

Press the

Accept the change:

after the set info time expires.

NOTE: In operating mode 2, select the respective

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Setting daytime hot-water temperature

Press the

Accept the change:

after the set info time expires.

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button.

button.

heating circuit and confirm it by pressing the
input button before setting the daytime or night­time room temperature

button.

C

Heat generator temperature:

Current actual value
Desired setpoint (flashing)

Set the heat generator
temperature to the desired
setpoint

Change the temperature:

C

ð

Setting range: 5 to 30°C

or or automatically

öî

Change the temperature:

C

ð

Setting range: 5 to 30°C

or or automatically

öî

Change the temperature:

C

ð

Setting range:
5°C to the maximum hot­water temperature

öî

or or automatically

Accept the change:

info time expires. If necessary, call up additional heating
circuits and correct the slopes of the heating curves.

CAUTION

Corrections may only be carried out after a
sufficiently long period of steady conditions and in
small increments.

Finish (return to basic display): Press the
button.

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Heating programs
(

æ ç è é ê ë ì í

The following heating programs can be selected with the
input button after the button is pressed:

1. Short-term programs:

ABSENT TIL

ç

PARTY TIL

è

Brief interruption of heating operation in
case of absence.

Extended heating operation past the
regular lowering time.

2. Automatic programs:

AUTOMATIC

é

SUMMER

ê

Automatic heating and lowering operation
by switching time program.

Exclusively hot-water operation by
switching time program; heating switched
off, but frost protected.

3. Continuous programs:

HEATING

¾

RED.
HEATING

ì

STANDBY

í

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Constant heating operation without time
limits.

Constant reduced heating operation
without time limits.

Frost-proof switch-off of heating and hot
water.

Selecting program

When the
program flashes. All other programs can be selected with
the input button, whereby the marking (rectangle) above
the operating mode symbols indicates the respective
symbol.

The selected program is activated by then pressing the
input button.

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wählen (Beispiel Party) (Controller) @

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Example: Automatic program

Press the

button and select AUTOMATIC.

When a time program is selected, the respective
accompanying periods such as the return date
(HOLIDAY), return time (ABSENT TIL) or extended
heating mode (PARTY TIL) can be specified.

for approx. 3 seconds

öî

Select the heating circuit:

ð

HC = Direct heating circuit
MC1 = Mixed heating

circuit 1
MC2 = Mixed heating

circuit 2

Accept the change:

öî

Correct the characteristic
curve:

Room temperature too hot:

Reduce setting value

Room temperature too cold:

Increase setting value

or automatically after the set

öî

)

button is pressed, the last selected

Accept the change:

or

öî

Example: Party program

Press the

button and select PARTY TIL.

Accept the change:

or

öî

Change the time:

ð

Accept the change:

öî

or

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4. Holiday programs

The holiday programs can be selected with the
button.

HOLIDAY

æ

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wählen (Beispiel Urlaub) (Controller) @

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Example: Holiday programs

Press the

.

î

Select holiday block (e.g. HOLIDAY 01) and confirm with

.

î

Frost-protected switch-off or reduced
operation of heating during holidays. Hot
water is switched off, but frost protected.

button, select HOLIDAY and confirm with

Change the year and date:

ð

Accept the change:

Enter the date:

ð

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System information

After pressing the
and the operating conditions of all system components
can be queried one after another via the Input button.

Press:

• System temperatures (setpoints)

Turn:

• System temperatures (actual values)

• Function and values of variable inputs

• Counter and consumption data

Heating circuit information, such as:

• Program type (HOLIDAY, ABSENT TIL, PARTY TIL,

AUTOMATIC etc.)

• Current switching time program (P1 or P1 – P3 after

enable)

• Operating mode (daytime operation, lowering

operation, switch-off operation)

• Heating circuit depending on the device version (HC =

direct heating circuit, MC1 = mixed heating circuit 1,
MC2 = mixed heating circuit 2, DHW = hot-water
circuit)

• Status of the respective heating circuit pump (OFF-

ON)

• Status of the respective mixing motor (OPEN-STOP-

CLOS)

• Status of the heat generator (OFF-ON)

• Status and function of the variable outputs

NOTE: The system information appears in accordance

with the device version used.

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.

Accept the change:

button, all system temperatures

öî

öî

A

–

Switching time programming

Entering the "Switching times" level: Press the
button.

(For detailed information see the SDC/DHC operating
instructions, GE2H-0220)

Every setting value that flashes in the display is corrected
with the input button and accepted by pressing the

button. Pressing the
previous selection. Pressing the

the set info time jumps back to the basic display.

1. Selection of the circuit, reloading of default
programs, copying

Setting range: Direct heating circuit (HC), mixed

heating circuit 1 (MC1), mixed heating
circuit 2 (MC2), hot-water circuit (DHW),
default programs, copying heating
circuits

Continue:

öî

2. Selection of the switching time program

Prerequisite:

Parameter 02 in the "System Parameters" menu is P1–
P3.

Setting range: P1, P2, P3

button jumps back to the

button or waiting

6. Cycle temperature for the selected heating cycle
on selected weekday

Setting range: for heating circuits (HC, MC1, MC2):

5 to 30°C
for the hot-water circuit (DHW):
10 to 80°C (or the maximum hot-water
temperature)

CAUTION

If the desired daytime room temperature or hot-water
temperature is changed with the or

button, all associated cycle temperatures change by
the same value accordingly!

Continue:

öî

0 2 4 6 8 12 14 16 18 20 22 24

C

7. Selection of weekday and heating cycle, copying
(block building)

If necessary, select the next heating cycle or weekday as
described in Step 3 and program it accordingly.

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Continue:

öî

0 2 4 6 8 12 14 16 18 20 22 24

C

3. Selection of weekday and heating cycle, copying
(block building)

Setting
sequence:

Mon. 1st cycle – Mon. 2nd cycle,
Tue. 1st cycle – Tue. 2nd cycle... Sun.
2nd cycle, copy to individual days (Mon.,
Sun.), weekday block (1–5), weekend
block (6–7), entire week (1–7).

NOTE: If the second cycle is occupied, a third cycle is

available.

Continue:

öî

0 2 4 6 8 12 14 16 18 20 22 24

C

4. Start of heating (switch-on time)

Setting range: 0:00 to 24:00 hours

NOTE: The switch-on time is displayed in the top time

bar via a flashing segment.

Continue:

öî

0 2 4 6 8 12 14 16 18 20 22 24

C

5. End of heating (switch-off time)

Setting range: 0:00 to 24:00 hours

NOTE: The switch-off time is displayed in the top time

bar via a flashing segment.

Continue:

öî

0 2 4 6 8 12 14 16 18 20 22 24

C

Manufactured for and on behalf of the Environmental and
Combustion Controls Division of Honeywell Technologies
Sàrl, Ecublens, Route du Bois 37, Switzerland by its
Authorized Representative:

Automation and Control Solutions

Honeywell House
Arlington Business Park
Bracknell, Berks, RG12 1EB
Phone [phone]
Fax [phone]
http://honeywell.com/uk

Printed in Germany
All rights reserved. Subject to change without
notice.

EN2H-0223GE51 R0308

rt. 045 130 5560

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