Idiomas disponibles
Idiomas disponibles
12 ELECTRICAL WIRING DIAGRAM LEGEND
Make the electrical connections with the power supply disconnected, in accordance with current safety regulations.
Check that the mains electricity supply is compatible with the voltage shown on the unit rating plate.
The electrical connections indicated must be made by the installer
Ū IL: Circuit breaker (not supplied)
Ū F: Safety 2A fuse (not supplied)
Ū CN: Fast on/screw terminal board
Ū EMC FILTER: EMI/RFI noise filter
Ū BN (L2): Brown = phase filter IN
Ū BU (N4): Blue filter IN neutral
Ū BK (U1): Black = filter OUT phase
Ū BU (U3): Blue = filter OUT neutral
Ū MV: Fan motor
Ū INVERTER: Inverter fan motor
Ū BN: Brown = inverter motor phase
Ū BU: Blue = motor power supply neutral
Ū red: Red = control signal 0-10 Vdc
Ū black: Black = GND control signal
Ū MP: Condensate drainage pump
Ū FLOAT SWITCH: Float
Ū BN: Brown = pump power supply phase
Ū BU: Blue = pump power supply neutral
Ū BK: Black = float switch alarm signal
Ū GY: Grey = common float alarm
Ū VC ON/OFF: ON/OFF cold/hot water valve (2 pipes system) (accessory); ON/OFF cold water valve (4 pipes system) (accessory)
Ū VH ON/OFF: hot water valve (4 pipes system) (accessory)
Ū BN: Brown = valves power supply phase
Ū BU: Blue = neutral valve power supply
Ū SAI: Pre-installed internal air temperature probe
Ū SAE: Remote air temperature probe
Ū SW: Water temperature sensor
Ū SWH: Hot water temperature probe additional coil (4-pipe units). Available only with SW
Ū SUI: Pre-installed internal air relative humidity probe
Ū SUE: Remote air relative humidity probe
12.1 ADDITIONAL CONNECTION FOR FWECSA
C
NOTE
in case of wrong communication with display, connect communication BUS display FWECSAP ->Display to clamp
FWECSAP (refer to FWECSAP technical manual).
Ū T1: Transformer 230Vac/24Vac (not supplied)
Ū VC MOD. 0-10 Vdc: modulating cold/hot water (2 pipes system); modulating cold water valve (4 pipes system)
Ū VH MOD. 0-10 Vdc: modulating cold water valve (4 pipes system)
Ū RD: Red = + 24Vac valves power supply
Ū BK: Black = 0V valve power suppliy / control signal GND
Ū grey: Grey = 0-10 Vdc valve control signal
on
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WC66000648-02
