Danfoss WT-DR Manuel utilisateur

1 Installation Steps

The User Guide can be downloaded from: heating.danfoss.com.

1. Installation must be done by an authorised electrician.

2. The room thermostat should be installed at approx. 1.5 m

above floor and where the effects of sunlight, draught or oth-

er heat sources (eg. TV's) are avoided. See illustration 1.

3. First of all, carefully remove the cover. See illustration 2.

4. Connect the wire before mounting the back plate to the wall

box using the enclosed screws. Then mount the cover to the

back plate. See illustration 3.

2 Wiring

1. Dimensions (see ill. 4).

2. Wiring diagram (see ill. 5, S1, S2: floor sensor terminals; A1,

A2: volt-free auxiliary relay terminals, e.g. boiler).

3. WT-D/P is often used with Danfoss TWA actuator. Depending

on the conditions of power location and actuator type (NC or

NO), the wiring between room thermostat and actuator is dif-

ferent. Follow the illustrations to complete the wiring:

1. When power supply location is close to room thermo-

stat:

▪Connect to actuator TWA 230 V NC type (see ill. 6).

▪Connect to actuator TWA 230 V NO type (see ill. 7).

2. When power supply location is close to actuator:

▪Connect to actuator TWA 230 V NC type (see ill. 8).

▪Connect to actuator TWA 230 V NO type (see ill. 9).

3 Error Codes

Item Display Description

1 E1 room sensor failure

2 E2 floor sensor failure

4 Notes

1. Correct wiring is essential; using instrument to confirm L and

N before wiring is recommended.

2. Don't remove too much of the insulation cover from the wire

to avoid short circuit caused by the naked wire touching the

metal 86 size mounting wall box.

3. Don't let the screw press or touch the wire when using screw

to fix room thermostat in wall box. A short-circuit risk exists if

the wire insulation cover is damaged by the screw, and if the

naked wire connects with the screw.

4. If walls must be painted, mount the room thermostat after

painting, to avoid dust or paint material penetrating the

room thermostat and thus damaging the PCB.

5. The max load of relay is 3 A (resistive) or 1 A (inductive, such

as pump, motor). The relay will be damaged if the load ex-

ceeds the limit.

6. Don't cover the thermostat, for instance by hanging towels

directly in front of it.

7. The room thermostat should be connected to the corre-

sponding loop actuator in individual room temperature con-

trol.

5 Technical Specification

Feature Description

Approval CE Marking, EN60730

Ambient temperature -10 ℃ -60 ℃

IP class 30

Max load, inductive <1 A

Max load, resistive <3 A

Feature Description

Power consumption 2 W

Power supply 85-250 Vac, 50/60 Hz

Room temperature set range 5 ℃ -35 ℃

Floor temperature set range 20 ℃ -45 ℃

Shell material ABS + PC

Installation Guide

WT-DR/PR Installation Instruction

Danfoss Heating Solutions VICUK102 1

6 Illustrations

Illustration 1

Illustration 2

Illustration 3

Illustration 4

Illustration 5

Illustration 6

Illustration 7

Illustration 8

Illustration 9

Installation Guide WT-DR/PR Installation Instruction

VICUK102 Danfoss Heating Solutions

Installation Guide WT-DR/PR Installation Instruction

Danfoss Heating Solutions VICUK102 3

Installation Guide WT-DR/PR Installation Instruction

Danfoss A/S

Heating Solutions

Haarupvaenget 11

8600 Silkeborg

Denmark

Phone: +45 7488 8000

Fax: +45 7488 8100

Email: [email protected]

www.heating.danfoss.com

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products

already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective

VICUK102 Produced by Danfoss Heating Solutions © 07/2014

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