BA_OTE 3+4_Endkunde_EN_V03_20170726.docx Page 47 of 52
16.6 BLOCKING
In "BLOCKING" cases, the system changes to "emergency mode economy". The heat
pump is switched off. The system is controlled at reduced temperatures (heating and
warm water) and the additional heat generators (electro auxiliary, furnace) take over the
heating (if installed). An automatic restart is only possible when blocking function is no
longer active.
16.7 Procedure by BLOCKING
Contact your contractual partner and start (when desired) the "Emergency operation
normal".
1. Press the ESC knob in the main display >
the blocking menu appears.
2. The type of error which has led to the heat
pump blocking will be displayed in the
blocking menu. The emergency operation
menu is selected by pressing the adjust-
ment knob.
3. Set the operation mode by turning the set-
tings knob and store by pressing, > repeat-
ed pressing of the ESC knob returns to
main display.
1: Emergency operation reduced: The set value for heating will be reduced by 7°C; the set
value for hot water to 35°C.
2: Emergency operation normal: The set values are not reduced no reduction of tem-
peratures.
Attention: These types of operation can lead to increased heating costs as the heat load is
cover only by the additional heat generators (if installed).
1: Emergency mode economy
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