5 - ELECTRICAL CONNECTIONS
5.7 Connection to HID-Txx electronic room thermostat
4 Pipes : Y1 + Y2
2 Pipes : Y1
4 pipes
M1 = motor
On the wall
OFF unit
ON unit
BOILER Heating go-ahead output (boiler-caldaia)
free contact max 1A
CHILLER Cooling go-ahead output (chiller)
free contact max 1A
CP Remote ON / OFF
H2 Water temperature probe (10k)
(4 Pipes ĺ heating)
(2 Pipes ĺ cooling / heating)
H4 Water temperature probe (10)
(4 Pipes ĺ cooling)
Y1 Water solenoid valve (4 Pipes ĺ heating)
(2 Pipes ĺ heating / cooling)
Y2 Water solenoid valve (4 Pipes ĺ cooling)
Radiant optional
Only 2 pipes
Gr. 003.0 = n°1
2 pipes
Gr. 015.0 - 017.0 = n°3
Gr. 005.0 - 011.0 = n°2
HRS - Water temperature probe (10k)
A - dip-switch position
2 pipes version
4 pipes version
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