Danfoss Link FT User manual

Danfoss Link™ FT

Floor Thermostat

Installation Manual

MAKING MODERN LIVING POSSIBLE

Danfoss Heating

INT

devireg™550

22.

Danfoss Link™ CC

Danfoss Link™ RS

Danfoss Link™ FT

The Danfoss Link™ FT (Floor Thermostat) is a device for

switching the heating element ON/OFF.

In connection with a ﬂoor sensor it can also measure the

temperature in the ﬂoor (FTS). Secondly you have the

possibility to use the FT as a on and oﬀ switch to other

equipments manually or by schedule.

Installation scenario:

ON/OFF

safety switch

LED

Push and hold

for 5 sec. to

install/connect

Danfoss Link™ FT

Placement of Danfoss Link™ FT

Installation and placement must be according to local

building regulations.

Operation mode

Danfoss Link™ FT supports two types of operation modes.

1. Heating regulation

2. On/OFF switching

When used in heating regulation mode you have to consider

the following advices for controlling the heating.

When used as simple ON/OFF mode do not connect ﬂoor

sensor.

Sensor combination

When installing the Danfoss Link™ FT you need to consider

the type of heating and thus which sensors should be used.

There are three options:

1. Comfort heating: Constant temperature on the ﬂoor in

bathrooms and other rooms where a comfortable warm

surface is required. Install the Floor sensor and choose

Floor regulation for the room when doing the conﬁgura-

tion.

2. Total heating: Control of room temperature in living

rooms etc. Install the ﬂoor sensor and a Danfoss Link™ RS.

Choose Combined regulation when doing the conﬁgura-

tion on the Danfoss Link™ CC.

3. No ﬂoor sensor: A ﬂoor sensor is not present, and cannot

be installed. You must install a Danfoss Link™ RS. Choose

Room regulation.

Be aware that temperature control is less accurate without

the ﬂoor sensor and that all Danfoss Link™ FTs in a room need

to havethe same sensor conﬁguration.

Danfoss recommends always installing a ﬂoor sensor.

Placement of Danfoss Link™ FT

Do not install ﬂoor heating system without a ﬂoor sensor

when the heating element is installed on or beneath

wooden surfaces and other surfaces

sensitive to temperature!

Installation of Danfoss Link™ FT

1. To remove the front cover, gently press the release tabs

under the bottom of the thermostat with a screwdriver.

Then remove the front.

2. Connect the thermostat according to the connection

diagram.

Conﬁguration:

See Step-by-Step guide in Danfoss Link™ CC instruction

manual.

Green LED ON Standby

Red LED ON Heating

Green LED fast ﬂash Inclusion or link test

Red LED short ﬂash Inclusion not OK, goes to not

included.

Linktest not OK, goes to

missing link

RED LED slow ﬂash Sensor failure

Factory reset a Danfoss Link™ FT

Turn oﬀ power on the safety switch on the front. Hold the

install button in while pushing ON the safety switch and

keep the install button pressed until the LED gives a red ﬂash

(approx. 5 sec.)

Trouble shooting

Disposal Instruction

Technical speciﬁcations

Operation voltage 180-250 VAC, 50/60 Hz

Standby power

consumption Max. 1 W

Relay:

• Resistive load

• Inductive load

230 V ~ 15 A / 3450 W

cos ϕ= 0.3 Max. 4 A

Sensing unit NTC 15kOhm AT 25°C

Sensing values:

• 0°C

• 20°C

• 50°C

42 kOhm

18 kOhm

6 kOhm

Regulation PWM

Ambient temperature -10° to +30°C

Sensor failure

monitoring

The thermostat has a built-in

monitoring circuit, which

will switch oﬀ the heating if the

sensor is disconnected or short-

circuited

Transmission

frequency 868.42 MHz

Transmission range in

normal buildings Up to 30 m

Transmission power Max. 1 mW

IP class 31

Dimensions 85 mm × 85 mm × 21 mm

The 2 Year Danfoss Warranty

You have purchased a Danfoss heating

system which we are sure will serve to

improve the comfort and economy of

your application.

Danfoss provides superior electrical

heating solutions for total climate

control in and around homes and

buildings. Danfoss oﬀers a complete

product program with Danfoss

heating cables or Danfoss heating

mats, Danfoss thermostats, Danfoss

selﬂimiting heating cables combined

with additional products completing

the product program.

This 2 year warranty applies to all

Danfoss products.

Should you, against all expectations,

experience a problem with your

Danfoss product, you will ﬁnd that

Danfoss oﬀers a 2 year warranty from

the date of purchase on the following

conditions:

During the warranty period Danfoss

shall oﬀer a new comparable

product or repair the product in

case the product is found to be

faulty by reason of defective design,

materials or workmanship. Repair

or replacement shall be carried out

at Danfoss’ discretion. Danfoss shall

not be liable for any consequential

or incidental damages including, but

not limited to, damages to property or

extra utility expenses.

This warranty shall only be valid on

production of proof of purchase and

must be submitted to the installer or

seller without undue delay.

An extension of the warranty period

following repairs undertaken under

warranty cannot be granted.

The Danfoss Warranty shall not

cover any damage caused by

incorrect conditions of use, incorrect

installation or if installation has

been carried out by non-authorised

electricians. All work will be invoiced

in full if Danfoss is required to inspect

or repair faults that have arisen as a

result of any of the above.

The Danfoss Warranty shall not extend

to equipment which has not been

paid in full.

Danfoss will, at all times, provide a

rapid and eﬀective response to all

complaints and inquiries from our

customers.

The warranty explicitly excludes

all claims exceeding the above

conditions.

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