Schneider WDE002478 Manual

Schneider Termostat WDE002478

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EAV56173-00 11/14

Programmable thermostat 2- pole with touch displayWTH-16 Art. no. WDE0 02478, WDE00 3478, WDE004478© Schne ider-Electric 2014EAV56173-0011/14

- WDE002495 Floor Sensor

For operating the thermostat in floor and dual mode.

¼DANGER

Risk of serious damage to property and personal injury, e.g. from fire or

electric shock, due to incorrect electrical installation.

Safe electrical installation can only be ensured if the person in question can prove

basic knowledge in the following areas:

• Connecting to installation networks

• Connecting several electrical devices

• Laying electric cables

These skills and experience are normally only possessed by skilled professionals

who are trained in the field of electrical installation technology. If these minimum re-

quirements are not met or are disregarded in any way, you will be solely liable for

any damage to property or personal injury.

¼DANGER

Risk of death from electric shock.

The outputs may carry an electrical current even when the device is switched off.

Always disconnect the fuse in the incoming circuit from the supply before working

on connected loads.

Function and installation

• Getting to know the thermostat

• Installing the thermostat

Operation

• Displays and operating elements

• Starting up

• Operating the thermostat

• Adjusting the basic settings

Appendix

• Behaviour during mains voltage failure and recovery / power reserve

• What should I do if there is a problem?

• Technical data

Programmable thermostat 2-pole with

touch display

Operating instructions

WTH-16

Art. no. WDE002478, WDE003478, WDE004478

Accessories

For your safety

Table of Content

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13:21

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13:21

With the programmable thermostat 2-pole with touch display (referred to in the following

as the thermostat), you can regulate the room and/or floor temperature. The unit is oper-

ated using a touch display.

The thermostat can be connected to electrical underfloor heating systems, radiators or

valve drives which can be switched.

The thermostat has a weekly clock with an individually adjustable program. Alternatively,

you can select one of 3 pre-programmed weekly programs. Various heating modes with

individual temperature setpoints are available: comfort mode, eco mode and frost protec-

tion mode.

Operating modes

The thermostat can be operated in four different variants.

• Room air: The internal temperature sensor detects the room temperature. The thermo-

stat controls this with the aid of the connected heat load.

• Floor: The floor sensor detects the floor temperature. The thermostat controls this with

the aid of the underfloor heating.

• Dual: The internal temperature sensor monitors the room temperature and controls it

with the help of the connected heating systems. At the same time, the floor sensor mon-

itors the floor temperature and limits this to the predefined maximum temperature value

("max temp").

This variant is particularly recommended for temperature-sensitive parquet and lami-

nate floors.

• PWM: The pulse width modulator (PWM) switches the heating on and off at regular in-

tervals. In PWM mode, you can adjust the desired temperature using the PWM value

(see "Settings the PWM value").

The floor sensor does not work in this operating mode. The room temperature limits are

met.

External temperature reduction

In all operating modes, you can connect an external switch or time con-

trols for temperature reduction (TR). The internal temperature control is

overwritten here.

Installation site of thermostat and floor sensor

Room air mode or dual mode

To ensure reliable thermostat operation, note the following when planning the installation

site:

A Minimum installation height: 1.5 m above the floor.

B Do not install too close to windows, doors or ventilation openings.

C Avoid direct sunlight or direct light from lamps.

Do not install above radiators or other heat sources.

D Do not cover or install behind curtains.

Floor mode or dual mode

E Position at least 1 m from walls or doors.

Install in the middle of the loops of the underfloor heating unit (see drawing).

FLay the floor sensor in a plastic tube with an inside diameter of 10 mm.

Getting to know the thermostat

Installing the thermostat

09:01

1 m

min. ø10 mm

1 m

1,5 m

EAV56173-00 11/14

Wire the thermostat

Mounting the thermostat and covers

1 Install the thermostat in a flush-mounted box.

2 Place the frame onto the insert.

3 Press in the snap ring until it presses against the frame.

|Selecting a central plate with switches allows you to disconnect both the device

and the connected load from the network at both terminals.

4 Press on the central plate until it audibly clicks into place.

Removing the covers

1 Using a suitable screwdriver, press on the marked points to loosen the central plate.

2 Tilt the central plate forward and remove it.

3 Lift out the snap ring using a suitable screwdriver and remove it.

4 Remove the frame.

A External switch/external

time control (TR) or

"PilotWire"

B Heat load/valve drives

C Floor sensor

Displays and operating elements

A Push-button switch

B Display

C Selection key

D Cursor

E Navigation keys

• Press briefly:

change in steps

• Press and hold:

change continuously

-t

L N L

SENSOR

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