35
iVector S2
Installation manual
iVector S2 • 2022-07-01
US
8.4 Activation
Switch on the electrical power supply at the switched
fused spur.
To activate the device
Key
Operation
Display
Press the "ON" stand-by key
from off to on
Select one of the 4 operating modes by pressing the relative
key.
8.5 Heating/cooling mode settings
Key
Operation
Display
Keep the Heating / Cooling key pressed for approx. 2 seconds to change the
mode between heating and cooling, which is indicated by the 2 symbols that
appear if heating or cooling is active.
When heating, the symbol displays when the set point is higher than ambient
temperature, both are off when the set point is lower.
When cooling, the symbol displays when the set point is lower than ambient
temperature, both are off when the set point is higher.
In the 4-pipe version, with automatic cooling/heating regulation system,
when both symbols are displayed it signifies the set point has been reached
(temperature is in the neutral band).
One of the two symbols flashing means that the
water temperature (hot or cold) is not sufficient and
stops the fan until the water temperature reaches a
level needed to activate the fan.
If the water temperature is at the required level for
heating or cooling after switching the power on, then
start-up will occur the normal way with the fan
working between the minimum and maximum limits.
8.6 Stand by
Key
Operation
Display
Press and hold the ON Stand-By key for approx. 2 seconds. No illuminated
signals on the display at all means that the system is in stand-by (no operation).
Off
When the control is in stand-by mode, anti-freezing
protection is guaranteed. If the ambient
temperature drops below 5°C (41 °F), the solenoid
valves on the hot water output and the boiler are
opened.
8.7 Temperature selection
Key
Operation
Display
Set the required room temperature using the two increase/decrease keys to
set the temperature value on the 3-digit display.
The adjustment range is from 16 °C (61 °F) to 28°C
(83 °F) in intervals of 0.5°C/°F, but out-of-range
values are also accepted, from 5°C (41 °F) to 40°C
(104 °F) (unless in auto mode). Only set these values
for brief periods, and then set an intermediate value.
The controller is very precise - set it to the required
value and wait for the controller to regulate itself
according to the actual room temperature detected.
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