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Installation Guide
EvoFlat 4.0 Flat Stations for apartments, single- and multi-family houses
5. CONTROLS
5.1 Zone valve
Heating block contains a zone valve. For F version without TWA. If a plastic cap is to
be fitted, the zone valve is closed.
5.2 Air vent
The station should be vented during start up.
5.3 Strainer
Strainers should be cleaned regularly by authorized personnel. The frequency of
cleaning would depend on operating conditions.
Note! Do not use tool to open the filter.
5.4 Summer bypass
The bypass thermostat is designed to keep the supply line warm.
Setting range: from 10 °C to 50 °C.
Scale setting (indicative).
Factory setting 3.
Scale setting
1
2
3
4
20
30
40
45
5.5
Mixing loop
The mixing loop creates a suitable temperature level e.g. for floor heating.
Setting range: Can be done by the FTC termostat.
FTC control
The FTC controls the mixing loop HE supply temperature.
Setting range from 15 °C to 50 °C.
The setting values may vary depending on the operating conditions.
It is important to set the supply temperature to the radiators as low possible.
NB! For houses that are heated exclusively with floor heating.
ALWAYS refer to the instructions from the floor supplier.
Factory setting: 50 °C.
Safety thermostat
The safety thermostat will shut the zone valve if the HE supply temperature is
above 55 °C.
If the temperature is lower, the safety thermostat will open the zone valve.
10 | © Danfoss | DCS-SGDPT/PL | 2022.01
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