Installation and operation manual
4
FWEC1
Standard electronic controller
FC66002763
LOGICS
COOLING/HEATING SWITCHING
Four logics are present to select the thermostat operating
modes according to the controller confi guration setting:
■ Local manual: user choice made through the key
■ Remote manual: depending on the Digital Input 1 status
(contact logic: see confi guration parameters of board)
■ Automatic depending on water temperature
NB: in case of water sensor alarm, the controller returns
to the Local mode temporarily.
■ Automatic depending on air temperature
Where:
- Set is the temperature setting made by the arrows
- ZN is the neutral zone (parameter P03)
The thermostat operating mode is indicated on the display by
the symbols
(cooling) and (heating).
AVAILABLE CONFIGURATIONS (PARAMETER P00)
025
■ System pipes: 4
■ Valve: 2-3 WAYS
■ Heating element: NO
■ Fan speed: 3
■ Summer/winter switching logic: LOCAL MANUAL
026
■ System pipes: 4
■ Valve: 2-3 WAYS
■ Heating element: NO
■ Fan speed: 3
■ Summer/winter switching logic: REMOTE MANUAL
027
■ System pipes: 4
■ Valve: 2-3 WAYS
■ Heating element: NO
■ Fan speed: 3
■ Summer/winter switching logic: AUTOMATIC AIR SIDE
028
■ System pipes: 4
■ Valve: 2-3 WAYS
■ Heating element: NO
■ Fan speed: 3 + CN (NATURAL CONVECTION)
■ Summer/winter switching logic: LOCAL MANUAL
029
■ System pipes: 4
■ Valve: 2-3 ways
■ Heating element: NO
■ Fan speed: 3 + CN (NATURAL CONVECTION)
■ Summer/winter switching logic: REMOTE MANUAL
030
■ System pipes: 4
■ Valve: 2-3 WAYS
■ Heating element: NO
■ Fan speed: 3 + CN (NATURAL CONVECTION)
■ Summer/winter switching logic: AUTOMATIC AIR SIDE
031
■ System pipes: 4
■ Valve: NO
■ Heating element: YES
■ Fan speed: 3
■ Summer/winter switching logic: LOCAL MANUAL
Summer
Winter
Air temp.
Summer
Winter
Water temp.