Honeywell SDW 30 Getting Started

Wall device SDW 30

GETTING STARTED

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1 "Operating modes" button (basic display)

2 "Switching time programs"/"Holiday programs" button

3 "System information" button

4 Display

5 "Daytime room temperature" button

6 "Night-time room temperature" button

7 "Daytime hot-water temperature" button

8 Input button (press/turn)

9 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
right (+):

increases adjustment

Turning to the
left (–):

decreases adjustment

ð

Press: accepts the selected and

displayed value

ö

î

Press and hold: jumps to the

programming level (level
selection), jumps back to
the previous selection

ö

î

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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

C

ÃÂÀÁ

Day of the week, date, time,
heat generator temperature

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

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Special indicators

C

ÃÂÀÁ

Snowflake symbol:
System anti-freeze active

C

ÃÂÀÁ

Beach umbrella symbol:
Summer de-activation active
(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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Setting daytime room temperature

Press the

button.

C

Change the temperature:

ð

Setting range: 5 to 30°C

Accept the change:

öî

or or automatically

after the set info time expires.

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Setting night-time room temperature

Press the

button.

C

Change the temperature:

ð

Setting range: 5 to 30°C

Accept the change:

ö

î

or or automatically

after the set info time expires.

NOTE: In operating mode 2, select the respec tive

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

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Setting daytime hot-water temperature

Press the

button.

C

Change the temperature:

ð

Setting range:
5°C to the maximum hot­water temperature

Accept the change:

öî

or or automatically

after the set info time expires.

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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:

öî

for approx. 3 seconds

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

Accept the change: öî or automatically after the set

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

Brief interruption of heating operation in
case of absence.

PARTY TIL

è

Extended heating operation past the
regular lowering time.

2. Automatic programs:

AUTOMATIC

é

Automatic heating and lowering operation
by switching time program.

SUMMER

ê

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

3. Continuous programs:

HEATING

¾

Constant heating operation without time
limits.

RED.
HEATING

ì

Constant reduced heating operation
without time limits.

STANDBY

í

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

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Selecting program

When the

button is pressed, the last selected
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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Example: Automatic program

Press the

button and select AUTOMATIC.

Accept the change:

öî

or

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.

Example: Party program

Press the

button and select PARTY TIL.

Accept the change:

öî

or

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

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

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Example: Holiday programs

Press the

button, select HOLIDAY and confirm with

î

.

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

î

.

Change the year and date:

ð

Accept the change:

öî

Enter the date:

ð

Accept the change:

öî

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System information

After pressing the

button, all system temperatures
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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3 s

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.

EN2B-0227GE51 R0308

A

rt. 045 130 5574

–

0812 – 30

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

button jumps back to the

previous selection. Pressing the

button or waiting

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

Continue:

öî

C

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

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

C

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

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

C

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

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

C

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

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

C

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

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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Operation of digital wall device SDW 30

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Function

The digital wall device SDW 30 can be connected to a
central controller (central device).

With a digital wall device, remote control of a central
device (e.g. from a living room), in addition to room
temperature detection, is possible. Settings can be
carried out for all the existing heating circuits.

The bus address of the wall device is used to specify the
heating circuit on which the room sensor (room
influence) is to act.

The selection of the address for the heating circuit to
which the SDW 30 is to be assigned (bus address)
occurs the first time an SDW 30 is connected to the bus
system.

Should the address be changed later on, the press and
turn button must be pressed and held when the wall
device is set into the socket until the bus address
appears in the display.

After the input has been confirmed, feedback of the
heating circuit (HC, MC1, MC2) and the central device
(CU) to which the digital wall device has been assigned is
output.

Assignment is carried out on the basis of the following
table:

Address CU address Assignment
11 10 CU 1 – Direct heating circuit
12 10 CU 1 – Mixed heating

circuit 1

13 10 CU 1 – Mixed heating

circuit 2
21 20 CU 2 – Direct heating circuit
22 20 CU 2 – Mixed heating

circuit 1
23 20 CU 2 – Mixed heating

circuit 2
31 30 CU 3 – Direct heating circuit
32 30 CU 3 – Mixed heating circuit 1
33 30 CU 3 – Mixed heating circuit 2
41 40 CU 4 – Direct heating circuit
42 40 CU 4 – Mixed heating

circuit 1
43 40 CU 4 – Mixed heating

circuit 2
51 50 CU 5 – Direct heating circuit
52 50 CU 5 – Mixed heating

circuit 1
53 50 CU 5 – Mixed heating

circuit 2

Caution

Double assignments of bus addresses are not
permissible and inevitably lead to errors in data
transmission and thus to faulty control behaviour of
the heating system.

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Installation

Installation location

The wall device is to be attached in a neutral
measurement location, i.e. that is representative of all
rooms, at a height of approx. 1.2 to 1.5 m. It is advisable
to select a partition wall of the coolest room used during
the day.

The wall device may not be attached:

• at locations in direct sunlight (take seasonal variations

into consideration)

• near devices that generate heat, such as te levisions,

refrigerators, wall lamps, radiators etc.

• to walls containing heating or hot-water pipes or

heated chimneys

• to exterior walls

• in corners or wall recesses, shelves or behind curtains

(insufficient air circulation)

• near doors leading to unheated rooms (external cold

influence)

• in front of unsealed flush-mounted boxes

Installation

Remove the front cover and secure the wall device at the
intended installation site using screws and plugs. Feed
the data bus cable required for the electrical connection
through the central break-out.

Electrical connection

Make the electrical connection to the 2-pole terminal
strip. Recommended connection cable: J-Y (ST) Y
2 x 2 x 0.6 mm

2

.

Caution

Do not switch connection terminals A and B!

After connecting the data bus cable and setting the bus
address, reattach the front cover.

General wiring diagram

AB

SDC / DHC

a

AB

SDW 30

a

AB

SDW 30

a

bc d

Fig. 1: Connection of SDW 30 to central device

a Data bus b Data bus cable

(shielded)

c SDW 30 connected

to heating circuit 1
(direct heating circuit)

d Additional wall devices

connected to heating
circuit

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