8 Faults and malfunctions
Installation and maintenance instructions
53
Daikin Altherma EHS(X/H)(B)-D
Heat pump (indoor unit) with integrated heat accumulator
008.1444099_01 – 11/2018 – EN
8.4 Emergency operation
If the heat pump fails, the backup heater or another external heat
generator can be used as an emergency heater. If [Emergency oper-
ation] is set to "Yes", emergency operation is automatically activated
in the event of an error. Otherwise, emergency operation can only be
started in the event of an error via the error screen (see enclosed
controller operating instructions).
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