Combination: Underfloor heating + Heat pump convectors
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1D – 2023.10
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Efficiency. Optimal energy efficiency because of the interlink function.
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Stylish.
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Space heating is provided by:
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The underfloor heating
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The heat pump convectors
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Space cooling is provided by the heat pump convectors only. The underfloor
heating is shut off by the shut-off valve.
Setup
A Main leaving water temperature zone
B One single room
a Heat pump convectors (+ controllers)
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For more information about connecting the electrical wiring to the unit, see:
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"9.2 Connections to the outdoor
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"9.3 Connections to the indoor
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The heat pump convectors are directly connected to the indoor unit.
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A shut-off valve (field supply) is installed before the underfloor heating to
prevent condensation on the floor during cooling operation.
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The desired room temperature is set via the controller of the heat pump
convectors. There are different controllers and setups possible for the heat pump
convectors. For more information, see:
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The installation manual of the heat pump convectors
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The installation manual of the heat pump convector options
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The addendum book for optional equipment
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The space heating/cooling demand signal is sent to one digital input on the
indoor unit (X2M/35 and X2M/30).
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The space operation mode is sent by one digital output (X2M/4 and X2M/3) on
the indoor unit to:
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The heat pump convectors
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The shut-off valve
6
Application guidelines
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B
A
M1
a
4
unit" [
109]
4
unit" [
117]
Installer reference guide
39