Danfoss EFET 130 Manuale utente

INSTRUCTION

Thermostat EFET 130, 131, and 132

Table of contents

1. Applications and functions........................................ 3

2. Installation instructions.. ........................................... 4

a. Installation of sensor for EFET 130, and 132.

b. Placement of EFET 130, 131, and 132.

c. Connection diagram for EFET 130, 131, and 132.

d. Trouble shooting.

3. Technical speciﬁcations.............................................. 10

4. Guarantee conditions and guarantee certiﬁcate.....11-12

088L0371 - 01.01 11-2003

NB! The installation must only be carried out by an

authorised electrician. A disconnection must be

incorporated in the ﬁxed wiring to ensure all-pole

disconnection from the supply mains.

The EFET 130-series is a series of electronic

thermostats used for control of indoor heating.

The EFET 130 is used for control of ﬂoor heating

installations. The thermostat is equipped with a ﬂoor

sensor for control of the desired ﬂoor temperature.

The EFET 131 is used for control of room heating

installations. The thermostat is equipped with a built-in

sensor for control of the desired room temperature.

The EFET 132 is used for control of both ﬂoor heating

installations and room heating installations.

The thermostat is equipped with a built-in sensor for

control of the desired room temperature. In addition, the

thermostat is equipped with a ﬂoor sensor for control of the

desired ﬂoor temperature.

Furthermore with the temperature dial and front cover

removed, you can set the maximum ﬂoor temperature, be-

tween 20° and 50°C, by adjusting the sunken temperature

dial, located in the top right hand corner of the thermostat.

This is an important feature when having wooden ﬂoors.

1. Applications and functions

Away from doors and windows

(at least 50 cm)

110 cm

2. Installation instructions

2.a Installation of sensor for EFET 130, and 132.

The ﬂoor sensor should be mounted in a 16 mm installa-

tion pipe which is sealed at the end to prevent penetration

of concrete into the pipe. Minimum bending radius for the

pipe is 50 mm.

The sensor cable must

be placed in between

two strings of the

heating cable.

To avoid cracks

in the concrete

ﬂoor you must

ensure that the

ﬂoor is completely

hardened before the

heat is switched on.

2.b Placement of

EFET 130, 131,

and 132.

Thermostat

1) 2)

Cut

d132

temperature

limiter

Release tab

Min. Max.

2.c Connection diagrams for EFET 130, 131, and 132.

1234

NTC

Maks 16A

NTC

devireg 130

5 - 45°C

12 34

Maks 16A

devireg 132

5 - 35°C

20°C

50°C

NTC

5 - 35°C

devireg 131

Maks 16A

Temperature limiter

EFET 130 EFET 131

EFET 132

2.d Trouble-shooting.

Control of functioning:

If the heat is not turned on by activating the thermostat,

check the residual current device (RCD) and safety devices

before contacting an authorized electrician.

Fault: No heat

General:

First of all, make sure that all cables, connected to the

thermostat, are properly installed – Making sure that each

wire connected to the thermostat, creates a solid contact to

the screw terminal located on the thermostat.

Mains voltage: (terminal 3 & 4)

Measure the live supply voltage at terminal 3 & 4. The

reading should be within speciﬁed range, according to the

technical speciﬁcations.

If not, check the main fuse.

Thermostat output: (terminal 1 & 2)

Measure the voltage at terminal 1 & 2, (activated thermostat,

red light). The reading should be the same as previously

measured at terminal 3 & 4.

If the reading is ok, continue to the next step, if not – replace

the thermostat.

Heating cable: (terminal 1 & 2)

Disconnect the heating cable from terminal 1 & 2 on the

thermostat.

Measure the resistance in the heating cable with an ohm

meter, it is now possible to calculate the installed wattage,

using the formula below:

External sensor input: NTC – only for EFET 130 and

EFET 132

Disconnect the external NTC sensor at the terminal NTC, on

the thermostat.

Connect an ohm meter to the NTC sensor, measuring the

ohm value.

P = = W (at 230 V~)

2302

The measured value should be within the speciﬁed range

according to the technical speciﬁcations.

If not, replace the NTC sensor.

Fault: Constant heat

Floor sensor interrupt

If disconnection of the external sensor (NTC) occurs, the

thermostat will be constant on (activated thermostat – red

light).

Disconnect the external NTC sensor at the terminal NTC, on

the thermostat.

Connect an ohm meter to the NTC sensor, measuring the

ohm value.

The measured value should be within speciﬁed range

according to the technical speciﬁcations.

If not, replace the NTC sensor.

Relay constantly on

Measure the voltage at terminal 1 & 2, (non-activated ther-

mostat, no light or green light). There should be no voltage at

terminal 1 & 2. If voltage is measured replace the thermostat.

3. Technical speciﬁcations:

Operation voltage:

Power consumption:

Relays:

- Resistive load:

- Inductive load:

Sensing unit:

Sensing values:

- 0°C:

- 20°C:

- 50°C:

Hysteresis:

Temperature range:

- 130:

- 131:

- 132:

Ambient temperature:

Frost protection:

LED indicator:

- No light:

- Red light:

- Green light

IP class:

Dimensions:

230 VAC +10% / -20%, 50 Hz

Max. 5W

250V ~ 16A

1A (power factor 0.3)

NTC 15 kOhm at 25° C

42 kOhm

18 kOhm

6 kOhm

~ 0,2° C

(0) 5-45° C

(0) 5-35° C

(0) 5-35° C, for temperature limiter: 20-50° C

-10º to +50°C

5ºC

The system is off

The temperature set point is not reached.

The temperature set point is reached.

82 mm x 82 mm x 36 mm

Technical data

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