UM / UM PLUS
Chillers and inverter air / water heat pumps with axial fans
15
SAN
Analogue (ST9)/digital (DI8) input
Sanitary water boiler sensor terminal
DO5N
Digital output (DO5) 230 Vac
Neutral output (for other configuration)
DO5
Digital output (DO5) 230 Vac
Phase output (for other configuration)
DO4N
Digital output (DO4) 230 Vac
Neutral output (230V, 50Hz, 5A resistive, 1 A inductive) (optional to be
used only on UM unit, without antifreeze kit)
DO4
Digital output (DO4) 230 Vac
Phase output (230V, 50Hz, 5A resistive, 1 A inductive) (optional to be used
only on UM unit, without antifreeze kit)
SW Digital
input
Summer/winter switching mode terminal via remote control (closed =
summer/open = winter);
SW Digital
input
Summer/winter switching mode terminal via remote control (closed =
summer/open = winter)
onoff
Digital input
Remote on-off terminal (closed = unit ON/open = unit OFF)
onoff
Digital input
Remote on-off terminal (closed = unit ON/open = unit OFF)
0-10V+
Analogue input (ST10)
Input signal 0-10V (+) for set point adjustment
0-10V-
Analogue input (ST10)
Input signal 0-10V (-) for set point adjustment
