Bedienungsanleitung AEG EM 50-2 (Seite 8 von 12) (Deutsch, Englisch)

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EM 50-2 English

OFFSET T2 0.0C

Zone 2 temperature can be calibrated here. With

EF 50-25 H sensor, the temperature shown on the

EM 50-2 display is always the core temperature

of the sensor. For calibration, please see page 13.

OFFSET OUT. 0.0C

Outdoor temperature can be calibrated here. The

temperature, recorded by the ATF outdoor sensor,

can be adjusted so that the exact temperature is

displayed on EM 50-2. Measure the temperature

beside the sensor using a thermometer. Adjust

the necessary oset using the encoder button.

Press OK.

SENSORHEAT AUTO

In auto mode, sensor heating is switched o

during periods when snow melting is active. In

special options or extreme cold weather the sen-

sor heat can be selected on continuously. Select

ON and press OK.

MOIST CTRL ON

The moist control on sensor can be switched o

here. The termostat will only control snow and ice

melting after the set temperature, see SET TEMP.

Select OFF for switching o the moist control and

press OK.

Note that energy consumption/costs will

rise with lacking moisture control.

SENSITIVITY NORM

Sensor sensitivity can be adjusted in 5 steps:

MIN - LOW - NORM - HIGH - MAX. To change

sensitivity, press OK, turn the encoder button to

the desired setting and conﬁrm with OK.

LANGUAGE ENGLISH

Menu language is selectable here. Select your

preferred language and press OK

FACTORY RESET

All EM 50-2 factory settings can be restored here.

Selecting this option deletes all customised set-

tings.

FACTORY RESET

REINSTALL

PASSWORD XXXX

Whether setup failure in startup menu, or new

hardware connection has been done, The primare

setup must be changed in STARTUP menu. Se-

lect PASSWORD and turn the encoder button to

the factory code (1202) The controller will then re-

turn to the startup menu, see STARTUP.

EXIT

Select this option and press OK to return to the

main menu.

Restart

When changing the settings or require a new process start, the EM

50-2 can be restarted in this menu.

RESTART

Restart operation. Keeping your current settings.

The EM 50-2 will go to the initial status display.

Oset calibration

If it is necessary to calibrate the temperature measured by the

GROUND SENSOR sensor, please follow the steps below:

1. Disconnect the sensor from terminals 11 and 12 (sensor heating)

of the EM 50-2.

2. Wait a few hours until the sensor has acquired the same tempera-

ture as the ground.

3. Measure the real ground/sensor temperature and compare it with

the temperature shown on the EM 50-2 display.

4. Program the oset for the sensor concerned to match the dier-

ence between the two temperatures (displayed/real). Adjust the

necessary oset using the encoder button. Press OK.

5. Reconnect the sensor to terminals 11 and 12 of the EM 50-2.

NOTE: With EF 50-25 H sensor, the temperature shown on the EM

50-2 display is always the core temperature of the sensor.

Setup Factory settings Own settings

Application Electric

Zone 1 GROUND SENSOR

Zone 2 OFF

Select scale Celsius

Afterrun time Zone 1 2.00 hours

Afterrun time Zone 2 2.00 hours

Temp. oset Zone 1 0.0°C/0.0°F

Temp. oset Zone 2 0.0°C/0.0°F

Temp. oset ATF 0.0°C/0.0°F

Temperature setpoint Zones 1+2 3.0°C/37.4°F

OFF temperature Zones 1+2 OFF

Sensor heating Zones 1+2 AUTO

Moisture control Zones 1+2 ON

Sensitivity Zones 1+2 NORM

Factory settings

Troubleshooting

By errors in the snow melting system, it is recommendable to

check the setup of the EM 50-2. Activate the menu by pressing the

adjustment knob, press SHOW INFO and readout the programmed

application. By errors in the setup, activate REINSTALL with factory

code 1202.

Check that all connections are placed correctly, and that cables are

fastened in the clamps.

Ice/snow does not melt

• Does the display show heat ON in zone 1 / 2?

YES:

o Wait 1-2 hours.

o Check under the snow, if the snow is beginning to melt the

system is OK.

o Check heating cables for defects, bad connections, incorrect

connections.

o It is too cold for snow melting (power/m2) or undersized heating

cables/ water heating system.

NO:

o The temperature is higher than SET TEMP. Adjust SET TEMP to

higher temperature.

o The snow around the ground sensor is melting/drifting snow has

exposed the sensor.

AFTERRUN time must be increased. Alternatively, FORCED

HEAT can be activated.

o Igloo eect around the sensor. The ground sensor has melted

an insulated hollow under the snow. Activate FORCED HEAT or,

alternatively, set MOIST SENSOR to OFF.

o The temperature is lower than the OFF TEMP setting.

Depending on dimensioning, the system has a lower temperature

limit, at which the system can melt the snow. Try melting the

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