Thermia iTec, Пусконаладка

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11 Tuning the system
11.1 Tuning the heating system
To obtain a heating system balance and obtain an even and comfortable indoor temperature, the heating system may need adjustment
according to the example below.
The indoor temperature is adjusted by changing the heat curve . The heat curve calculates the supply temperature depending on the
outdoor temperature. The lower the outdoor temperature, the higher the supply temperature.
The heat curve may need to be adapted to obtain a pleasant indoor temperature in any weather conditions. A correctly set heat curve
reduces maintenance and gives an energy efficient operation.
See chapter CURVE for more information.
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Adjust the heating system during the cold season to obtain the best
possible performance.
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Tuning must be carried out over a few days as the inertia in the heat-
ing system causes the indoor temperature to change slowly.
Tuning example
1. Choose one of the rooms, where the highest temperature is desired (20-21°C), as a reference room for the indoor temperature.
2. Place a thermometer in the room.
3. Open all radiator valves fully.
4. Leave the ROOM value set at 20°C.
See chapter ROOM for more information.
5. Note the temperature in the reference room regularly over a 24 hour period.
6. Adjust the ROOM value so that the reference room reaches your required indoor temperature of 20-21°C. Remember that other
rooms will have different temperatures during tuning, but these are adjusted later.
7. If the ROOM value must be adjusted more than 3°C upwards or downwards the CURVE value must be adjusted instead.
See chapter CURVE for more information.
8. If the indoor temperature varies several degrees despite tuning, a specific part of the heat curve may need adjusting. Check at what
outdoor temperature the variation is greatest and adjust the curve at the corresponding value (CURVE 5, CURVE 0, CURVE -5).
See chapter Adjusting the heat curve at -5°C, 0°C and 5°C for more information.
9. When the reference room has an even temperature of 20 - 21°C over a 24 hour period, you can adjust the radiator valves in the
other rooms so that their temperatures are the same temperature or lower than the reference room.
11.2 CURVE
The most energy efficient and cost effective setting is achieved by changing the CURVE value to adjust the temperature in the house to
an even and constant temperature.
The control computer shows the value for CURVE by means of a graph in the display. The heat curve can be changed by adjusting the
CURVE value. The value for the CURVE indicates which value on the supply temperature is required in relation to the outdoor tempera-
ture.
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For a temporary temperature increase or reduction, adjust the ROOM
value instead.
Commissioning iTec
VIJSR102 Thermia Värmepumpar
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