Siemens QAW20 Handleiding

Siemens Thermostaat QAW20

Lees hieronder de 📖 handleiding in het Nederlandse voor Siemens QAW20 (8 pagina's) in de categorie Thermostaat. Deze handleiding was nuttig voor 93 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

Pagina 1/8

2812

SYNERGYR®

Room Unit QAW20

Programmable room unit for operation of the SYNERGYR® control and billing

system. The unit's setting knob and economy button make it very easy to control

the supply of heat. 7-day heating program, adjustable temperature setpoints,

selection of operating mode and info button.

Use

QAW20 is the room unit for reference room-compensated temperature control in con-

nection with the

• WRI80 control and heat meter interface

• WRV… control and heat cost allocation valve

For the field of use of the SYNERGYR® system, refer to Data Sheets N2800 to N2803

(System Overview).

Functions

The QAW20 is a combination of room temperature sensor and operator and control unit

for use with the control and heat meter interface or the control and heat cost allocation

valve. Using a digital 2-wire interface, it delivers the setpoint for temperature control by

the WRI80 or WRV… . This can be accomplished via a 7-day heating program or by

manual action. The QAW20 also serves as a display unit for the WRI80 or WRV… and

other metering devices connected to SYNERGYR®.

CE1N2812en

13.08.2010 Building Technologies

Operation All operating elements that are required for normal operation are easily accessible:

• Operating mode buttons

• Info button for the actual meter readings

• Economy button

• Setpoint readjustment knob

Programming To program and display specific values, a cover must be removed. The unit then

switches automatically to the programming level and the display shows the required

data:

• Temperatures and heating program

• Weekday and time of day

• Meter readings on the set day

• Holiday period

• Retrieval of standard values

Programming is made in 2 steps. First, the entry line is selected and then the respec-

tive value changed. Operating Instructions which explain all steps are located under the

cover. The programming level can be locked if these setting choices shall not be ac-

cessible.

Automatic operation

The heating program controls setpoint changeover. It can be temporarily over-

ridden by pressing the economy button. The overriding action then remains in

effect until the next heating program switching action occurs (refer to «Economy

button»).

Manual operation

The required room temperature is selected by pressing the economy button

(refer to “Economy button”).

Standby

The room temperature is maintained at a minimum level preselected either at the

central unit or the room unit.

Operating modes

2812Z11

AUTO

Each time the info button is pressed, the values

shown on the list below are displayed in successive

order. The selected display is maintained until the info

button is pressed again. Heating control continues to

operate independently of the selected display.

Info button

Time of day, room temperature

Weekday, time of day

Outside temperature*

% Heat consumption trend

Meter reading of space heating (heat consumption)

Meter reading of DHW*

Meter reading of gas*

Meter reading of electricity*

Meter reading of other meters*

* These displays appear only if the respective signal sources are connected

Note If several meters of the same type are used, a number appears in addition to the symbol.

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Siemens Room unit QAW20 CE1N2812en

Building Technologies 13.08.2010

2812Z03

0 4 8 12 16 20 24

The QAW20 features an LCD showing

all relevant information in every situa-

tion.

Display

°C

2812Z12

With the setting knob, the nominal room temperature setpoint can be read-

justed by ±3 °C. Any readjustment is added to the programmed nominal set-

point while the reduced setpoint remains unchanged.

Setpoint readjustment

2811X06

The economy button permits changeover from the nominal to the reduced

room temperature, or vice versa. The action of the economy button in auto-

matic and manual operation is as follows:

In manual operation, the selected setpoint is maintained until the but-

ton is pressed again.

0 4 8 12 16 20 24 h

2812Z17

Action of economy button in

manual operation

In automatic operation, the actual setpoint is temporarily overridden

when pressing the button. The next time the heating program per-

forms a switching action, the controller will resume the programmed

heating operation.

048 12 16 20 24 h

2812Z18

Action of economy button in

automatic operation

Economy button

Setpoints The temperature of the reference room is controlled to t he selected setpoint. There is a

choice of two temperature settings. Changeover is accomplished either by the time

program or the economy button.

Nominal room temperature

Reduced room temperature

Setpoint generation The nominal and the reduced setpoint are selected on the programming level. In the

case of the nominal setpoint, the readjustment made with the knob on the unit is added

to the basic setting.

There are two choices: Setpoint limitation

• Central limitation via the OZW30 central unit

• Locally by limiting the angular rotation of the knob by means of pins at the rear of the

room unit

7-day clock The time of day and weekday are set on the programming level of the unit:

• Display of time of day from 00.00 to 23.59 hrs

• Display of weekday from 1 through 7

If an OZW30 central unit is installed, the clock of the QAW20… is synchronized by the

that unit. In that case, setting of synchronization on the room unit is not possible.

Clock synchronization

3/8

Siemens Room unit QAW20 CE1N2812en

Building Technologies 13.08.2010

Product specificaties

Merk:	Siemens
Categorie:	Thermostaat
Model:	QAW20

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