8
The WCT is supplied as default with a range proportional value of 3°C. If three-way valve control is
shown unstable, it is possible to change the range to 5°C changing the jumper position located in
the internal board (FIG 3-A).
6. Technical features
Mechanical characteristics
Casing material
Self-extinguishing plastic ABS V0 white colour
Dimensions
110x74x26 mm
Connections
Cable terminals of 1,5 mm
2
Mounting
On wall
Protection degree
IP20
Isolation
Class II
Electrical characteristics
Voltage
Ϯϰ
VAC 50Hz
Electrical consumption
Max. 6 VA
Input/Output characteristics
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Analog inputs (temperature sensors)
NTC sensor (R
25
=10K). Long cable=4m.
Operation conditions
Temperature setpoint
15°C to 30°C
Maximum ambient temperature
50°C
Maximum relative humidity
95%
Vibration
0°C to 50°C
Supply air temperature measurement is done with NTC sensor included with the unit.
Activate the thermostat with On/Off selector (FIG.2B)
͘
Define supply air temperature desired adjusting the frontal wheel (FIG.2C)
͘
Select operation mode (heating or cooling) with selector located in frontal cover (FIG.2A)
͘
NOTICE: Before selecting cooling operation mode in WCT thermostat, be sure that the unit
incorporate a specific cold water coil with corresponding condensation plate and drain system.
Do not use this WCT thermostat in cold operation mode in combination with internal coils of
CADB-HE DC, CADB-N DC heat recovery units or COR-NW air curtains.
5. Settings
In order to adapt thermostat response for different installations needs, it is possible to change
proportional range.