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•
A fault current switch with a nominal operating current of max. 30 mA must be
installed.
3.4.
Make sure that the heating load is equivalent to the thermostat power rating.
3.5.
Measure the insulation resistance and the circuit resistance of the heating load
controlled by the thermostat. See the correspondence between temperature and the
sensor resistance value on Table 1.
3.6.
Put the floor sensor cable in a dry protective tube between heating cables.
Note! Make sure, that there is not water in the protective tube.
3.7.
Route the room sensor cable in a protective tube to the room to be heated. Install
the sensor in an appliance box for example with a cable tie. Install the sensor at the
height of approximately 1,5m measured from the floor. Protect the sensor with a centre
plate, product number LS994BWWFI. You need also a cover frame to complete the
assembly, product number LS981WW85FI.
4.
Commissioning and Operation
4.1.
Turn on the thermostat with the separate main switch.
•
The default mode for the thermostat is "Floor". You can change the operation
mode with the Ensto Heat Control application.
•
The LED indicator B is green, when the thermostat is on and the heating is off.
•
The LED indicator B is red, when the heating is on.
4.2.
Adjust the floor temperature by turning the adjustment wheel C. The termostat
switches on the heat, when the floor temperature measured by the floor sensor is lower
than the set value.
4.3.
The thermostat uses a 47 kOhm NTC floor sensor by default. If another type of
sensor is connected to the thermostat, change the sensor type accordingly with the
Ensto Heat Control application "Settings / Sensor type".
4.4.
When you use the thermostat in "Combination" or "Floor" mode, the inbuilt fault
detector detects if the floor sensor is defect or missing. The thermostat indicates the
fault by blinking the red LED indicator B and blue LED indicator A alternatively. The blink-
ing stops when the fault has been repaired.
User Interface, figure 2
A
Blue LED indicator
B
Red / Green LED indicator
C
Adjustment wheel
5.
User Instructions for Ensto Heat Control Application
With this application you can program and change the settings of your thermostat. Blue-
tooth technology is used for the wireless connection. You can connect to one device at a
time. The range in free space is approximately 5m.
Commissioning the Application
5.1.
Download the Ensto Heat Control application from Apple Store or Google Play,
figure 3.
RAK128 / 10.6.2021
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