Myson iVector S2 - Integrated Control Wiring Diagrams; 2-Pipe and 4-Pipe Integrated Control Connections


iVector S2
Installation manual
iVector S2 • 2022-07-01
US
5.4 2 Pipe & 4 pipe models with integrated control
H2* water temperature probe (10 k) BO
boiler switched output (voltage free contact
max 1A)
H4* water temperature probe (10 k) 4 pipe only CH
chiller switched output (voltage free contact
max 1A)
AIR air temperature probe (10 k) CP
presence detector input (if closed, the fan coil
unit is placed in standby)
M1 DC inverter fan motor
Y1
Valve actuator (230V/ 50Hz 1A output
voltage) (115V/60Hz Canada/US)
Y2
4 pipe valve actuator (230V/ 50Hz 1A output
voltage) (115V/60Hz Canada/US)
* After power on and with the unit is set for
heating or cooling, the fan will only operate
when the water temperature reaches 30°C
(86 °F) in heating, or falls below 20°C (68 °F)
in cooling.
L-N
230V/50Hz electrical power supply
(115V/60Hz Canada/US)
UV UV lamp connection
H2H4 AIR