KEY:
SA
SW
SC
VS, VC, VF
V3, V2, V1
VR
2 Tubi solo freddo + RE per il caldo
2 COOLING-ONLY PIPES + ELECTRIC HEATER FOR HEATING
SA
4 PIPES WITH 2-WAY VALVES
20
1904 - 5902720_00
Ambient probe
Hot/Cold water probe for 2-pipe systems / Hot water probe for 4-pipe systems
Cold water probe for 4-pipe systems
Solenoid valve (Hot/Cold) / Hot valve / Cold valve
Fan speed (maximum, average, minimum)
Solenoid valve for enabling the radiant plate
Y2:RE
V3
V2
V1
SW
SA
Y2:VR
SW
V3
V2
V1
RADIANT
Radiant
Y1:VF
acqua fredda
cold water
hot water
acqua Calda
Y2:VC
V3
V2
V1
SW
SAE
Y2:RE
SW
SA
2 PIPES + ELECTRIC HEATER FOR HEATING
(REPLACEMENT/INTEGRATION) + 3-WAY VALVE
Y2:VR
SW
V3
V2
V1
SA
RADIANT WITH VALVE
Radiant con valvola
cold waterhot water
Y1:VF
acqua fredda
V3
V2
V1
SA
4 PIPES WITH 3-WAY VALVES
V3
V2
V1
Y2:VS
hot water
acqua Calda
Y2:VS
SW