Danfoss DHP-AT, Installation And Service Instructions Manual

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Different ambient air temperatures
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Selected heat curve
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Desired room temperature setting
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-2 0 -1 8 -1 6 -1 4 -1 2 -1 0 - 8 - 6 - 4 - 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26
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Figure 5. Heat curves and heat pump working range in AUTO mode
Position Explanation
1 Initial supply line temperature (°C)
2 Supply line water temperature (°C)
3 Working range in AUTO mode
4 Outdoor Air temperature (°C)
Note! The reference point for the heat curves is an outside air temperature of -6°C.
When the outside air temperature is -6°C, selecting heat curve 45 and AUTO mode means that the heat pump will
adjust the water temperature to 45°C. Heat curve 45 is suitable for radiator heating.
16 – Installation and service instructions VMGFI202