Danfoss WT-DR Instrukcja instalacji

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Installation Guide

WT-DR/PR Installation Instruction

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.

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:

Error Codes

Item

Display

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.

Technical Specification

Feature

Approval

Ambient temperature

IP class

Max load, inductive

Max load, resistive

Danfoss Heating Solutions

Description

room sensor failure

floor sensor failure

Description

CE Marking, EN60730

-10 ℃ -60 ℃

<1 A

<3 A

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.

▪ 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).

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.

Feature

Power consumption

Power supply

Room temperature set range

Floor temperature set range

Shell material

VICUK102

Description

2 W

85-250 Vac, 50/60 Hz

5 ℃ -35 ℃

20 ℃ -45 ℃

ABS + PC