89
Start-up - initial settings and functions
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NOTE
Parameters 5.1 and 5.2 are set to YES, 5.3 will be automatically changed to YES.
The two zones can be controlled in dierent ways:
Zone 1 and Zone 2
Both are controlled according to the supply water temperature (T1).
Parameters 5.1 WATER FLOW TEMP. must be set to YES and 5.2 ROOM TEMP. must be set to NO.
Zone 1 will have setpoint T1S and Zone 2 will have setpoint T1S2 and the HMI will display these pages:
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HOME PAGE ZONE 1 HOME PAGE ZONE 2
Fig. 87
Zone 1
With control based on the supply water temperature (T1) and Zone 2 with control based on the room air tem-
perature (Ta): it will be necessary to set parameters 5.1 WATER FLOW TEMP. to YES and
5.2 Room temp. to yes.
Zone 1 will have setpoint T1S and Zone 2 will have setpoint T1S2 and the HMI will display these pages:
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25.0
HOME PAGE ZONE 1 HOME PAGE ZONE 2
Fig. 88
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NOTE
Zone 2 has automatically controlled supply water temperature according to the climate curve. In double
zone systems, Zone 1 cannot have room air temperature control.
L
NOTE
Both zones can be equipped with an electromechanical thermostat to manage the request.