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iVector S2
Installation manual
iVector S2 • 2022-07-01
US
5.5 2 Pipe & 4 pipe models with remote-mounted control
+AB-
serial connection for wall-mounted remote
control (respect AB polarity)
BO
boiler switch output (voltage free contact max
1A)
CH
chiller switch output (voltage free contact
max 1A)
H2*
hot water temperature probe (10 kΩ)
AIR
Air probe optional (
**
)
H4*
cold water temperature probe (10 kΩ) air
temperature probe (10 kΩ)
M1
DC inverter fan motor
Y1
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.
Y2
4 pipe valve actuator or 230V/50Hz 1A output
voltage (115V/60Hz Canada/US)
L-N
230V/50Hz electrical power supply
(115V/60Hz Canada/US)
**
Alternatively, connect the air probe to the
remote mounted control
UV
UV lamp connection
H2
H4
AIR
Electrical connection of the cable from the remote wall-mounted control should be made to the 4-way screw terminal
block (A) on the unit control board. Use suitable cables as detailed in sections 6.2 and 6.3.
A
8mm
0.2-1mm
2
+ A B -
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