• The temperature of water returning from the system must be min. 20°C. At a lower
temperature of the reverse (e.g. when the heat pump first approaches or after a longer
shutdown and start-up in a cold object), auxiliary heating bars will be started at the same
time as the heat pump.
• The minimum room temperature set is related to the minimum reverse temperature
condition. For systems without a storage tank, the minimum adjustable value is 15°C, for
systems with a storage tank, the desired temperature of the heated object may be lower
(anitfreeze – at least 10°C).
• The control maintains the set temperature in the room with a tolerance of +/- 0.5°C. The
regulation will stabilize after a significant intervention within 24 hours for underfloor
heating, or within 12 hours for a system equipped with radiators. Significant interference
with the regulation is considered to be a change in the desired temperature in the room
by more than 1.5°C, switching on the system, failure of one of the temperature sensors,
change in the type of regulation, etc.
• At lower outdoor temperatures, the auxiliary heating rod will be attached, or the heat
pump will be switched off and all installed heating rods will be switched on if the heat
pump power is insufficient.
• In the summer, at high outdoor temperatures (>28°C), a fault A01 - high pressure may
occur during service water heating. In this case, we recommend lowering the desired
service water temperature.
• For the proper function of the AcondTherm control, the heating system in the room with
the spatial thermostat must not be equipped with thermostatic heads or other superior
regulation. If this is not observed, we recommend using the Equitherm or Standard
regulation (see chap. 3.2.6 on page 25).
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