Danfoss BasicPlus2 WT-T User manual

Installation Guide

BasicPlus2WT-T

Room thermostat

VICUL202 Danfoss Heating Solutions

Installation Guide BasicPlus2WT-T Room Thermostat

1. Installation Steps

1. Installation must be done by an authorised

electrician.

2. The room thermostat should be installed at approx.

1.5 m above oor and where the eects of sunlight,

draught or other heat sources (eg. TV’s) are avoided,

see g. 1.

3. First of all, carefully remove the cover and dial knob,

see g. 2.

4. Connect the wire before mounting the back plate to

the wallbox using the enclosed screws. Then mount

the cover to the back plate, see g. 3.

2. Wiring

See g. 4 for dimensions and g. 5 for wiring diagram.

WT-T is often used with a Danfoss TWA actuator.

Depending on the conditions of power location and

actuator type (NC or NO), the wiring between room

thermostat and actuator is dierent.

Follow the illustrations to complete the wiring.

1. When power supply location is close to room

thermostat:

• Connect to actuator TWA 230 V NC type, see g. 6.

• Connect to actuator TWA 230 V NO type, see g. 7.

2. When power supply location is close to actuator:

• Connect to actuator TWA 230 V NC type, see g. 8.

• Connect to actuator TWA 230 V NO type, see g. 9.

Danfoss Heating Solutions VICUL202

Installation Guide BasicPlus2WT-T Room Thermostat

3. Notes

1. Correct wiring is essential; using instrument to con-

rm 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 screws to x 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 con-

nects with the screw.

4. If walls must be painted, mount the room thermo-

stat after painting, to avoid dust or paint material

penetrating the room thermostat and thus damag-

ing the PCB.

5. The max. load of relay is 3 A (resistive) or 1 A (induc-

tive, such as pump or motor). The relay will be dam-

aged if the load exceeds 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

corresponding loop actuator in individual room

temperature control.

VICUL202 Danfoss Heating Solutions

Installation Guide BasicPlus2WT-T Room Thermostat

4. Technical Specications

Feature Description

Approval CE Marking, EN60730

Ambient temperature -10 - 60° C

IP Class 30

Max. load, inductive <1 A

Max. load, resistive <3 A

Power consumption 7 W

Power supply 230 Vac ±10%, 50/60 Hz

Room temp. set range 5 - 30° C

Shell material ABS + PC

Danfoss Heating Solutions VICUL202

Installation Guide BasicPlus2WT-T illustrations

Fig. 1

1.5 m

Fig. 2

Fig. 3

VICUL202 Danfoss Heating Solutions

Installation Guide BasicPlus2WT-T illustrations

Fig. 4

Fig. 5

230 V

Fig. 6

NC NO L N

230 V

TWA

230V

WT-T

Danfoss Heating Solutions VICUL202

Installation Guide BasicPlus2WT-T illustrations

Fig. 7

NC NO L N

230 V

TWA

230V

WT-T

Fig. 8

NC NO L N

230

V ~

TWA

230V

WT-T

Fig. 9

NC NO L N

230

V ~

TWA

230V

WT-T

Danfoss A/S

Floor Heating Hydronics

Ulvehavevej 61

DK-7100 Vejle

Denmark

Phone...+45 7488 8500

Fax ......+45 7488 8501

E-mail ...heating.solutions@danfoss.com

www.heating.danfoss.com

VICUL202 Produced by Danfoss Floor Heating Hydronics 03/2015

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 specications already agreed.

All trademarks in this material are property of the respective companies. Danfoss and

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