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Nimbus Compact M NET R32 Installation Manual UK

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Commissioning<br />

6.7 Temperature adjustment<br />

Simultaneously press the “Esc” and “Menu” buttons until “Insert<br />

Code” appears on the display.<br />

Turn the selector to enter the technical code (234) then press<br />

the selector to confirm; the display will show TECHNICAL<br />

AREA.<br />

Turn the selector to choose the desired item.<br />

– COMPLETE MENU<br />

Press the selector . Turn the selector to choose the desired<br />

item.<br />

4 ZONE 1 PARAMETERS<br />

4.0 SETPOINT<br />

4.0.0 T Day<br />

4.0.1 T Night<br />

4.0.2 T set Z1<br />

4.0.3 Zone frost temperature<br />

4.1 AUTOMATIC WINTER MODE<br />

4.1.0 Automatic winter mode activation [ON, OFF]<br />

Press the selector . Turn the selector to choose the desired<br />

item.<br />

0 OFF.<br />

1 ON.<br />

Press the selector to confirm.<br />

4.1.1 Automatic winter mode threshold<br />

Turn the selector and set the auto summer/winter switching<br />

delay.<br />

4.1.2 Automatic winter mode delay time<br />

Turn the selector and set the auto summer/winter switching<br />

delay.<br />

4.2 SETUP<br />

4.2.0 Zone temperature range<br />

Press the selector . Turn the selector to choose the desired<br />

item.<br />

0 Low Temp.<br />

1 High Temp.<br />

Press the selector to confirm.<br />

4.2.1 Thermoregulation<br />

Press the selector . Turn the selector to choose the desired<br />

item.<br />

0 Fix Flow T.<br />

1 Basic Thermoreg.<br />

2 Room T Only.<br />

3 Outdoor T Only.<br />

4 Room+Outdoor T.<br />

Press the selector to confirm.<br />

4.2.2 Slope<br />

Press the selector . Turn the selector and set the curve in<br />

accordance with the type of heating system.<br />

Press the selector to confirm.<br />

Low-temperature system (underfloor panels) curve between<br />

0.2 and 0.8.<br />

High-temperature system (radiators) curve between 1.0 and<br />

3.5.<br />

The checking process for the suitability of the curve requires a<br />

long period of time during which several adjustments may be<br />

necessary. When the outdoor temperature falls (winter) three<br />

conditions may arise:<br />

– The temperature of the room may fall, indicating that a<br />

steeper curve should be set.<br />

– The temperature of the room may rise, indicating that a<br />

gentler curve should be set.<br />

– The temperature of the room remains constant, indicating<br />

that the set curve is exactly right.<br />

Once you have found the curve which maintains the room<br />

temperature at a constant level, check the actual temperature<br />

value.<br />

°C 100<br />

1<br />

90<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

25 20 15<br />

10 5 0 -5 -10 -15 -20°C<br />

2 3<br />

°C<br />

3.5 3.0 2.5 2.0<br />

1 Delivery temperature to the system<br />

2 Delivery value room temperature<br />

3 Outdoor T<br />

4 Low temperature<br />

5 High temperature<br />

1.5<br />

1.2<br />

1.0<br />

0.8<br />

0.6<br />

0.4<br />

0.2<br />

5<br />

4<br />

Fig. 90<br />

4.2.3 Offset<br />

Press the selector . Turn the selector and set the most suitable<br />

value. Press the selector to confirm.<br />

IMPORTANT:<br />

If the room temperature is higher than the desired value,<br />

the curve must be shifted lower. If the room temperature<br />

is too low, the curve should be shifted upwards. If the<br />

temperature of the room corresponds with the desired<br />

value, the curve is correct.<br />

58 / EN

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