5 - ELECTRICAL CONNECTIONS
5.7 Connection to HID-Txx electronic room thermostat
HID-iI2 THERMOSTAT
HID-T2 / T3 THERMOSTAT
4 tube : Y1 + Y2
2 tube : Y1
BOILER Heating go-ahead output (boiler-caldaia)
free contact max 1A
CHILLER Cooling go-ahead output (chiller)
free contact max 1A
SW2 Remote ON / OFF
H2 Water temperature probe (4T → heating)
2T → cooling / heating
H4 Water temperature probe (4T → cooling)
S1 Grill safety micro-switch
Off = switched off ventilation at setpoint satisfied
Y1 Water solenoid valve (4T → heating)
(2T → heating / cooling)
Y2 Water solenoid valve (4T → cooling)
Radiant option: see 5.6
To Next Page