VTS Ventus VVS650 [27/55] Control elements

VTS Ventus VVS021 [27/55] Control elements
CONTROL ELEMENTS
Functions and application
» Regulation of supply and exhaust air
temperature.
» Protection of the energy recovery
unit against freezing.
» Outdoor air temperature
measurement in order to identify
need of heat/chill recovery and
engagement protecting function for
water heater.
Operational parameters
» Measurement range:
-50°C to +90°C.
» Measurement accuracy: ±0,5K.
» Sensor type: NTC 10k.
» Air humidity range: 5 ÷ 100%.
» Protection degree: IP67.
» Shielded cable length: max. 100 m.
CONTROL ELEMENTS
Functions and application
» Protection of water heater against
freezing by means of return medium
temperature monitoring.
(Function supported by controller.
Sensor out of VTS offer.)
Operational parameters
» Measurement range:
-20°C do +70°C.
» Measurement accuracy: ±0,5K.
» Sensor type: NTC 10k.
» Air humidity range: 5 ÷ 100%.
» Protection degree: IP67.
» Shielded cable length: max. 100 m.
STRAP-ON MEDIUM TEMPERATURE SENSOR
Functions and application
» Protection of water heater
against freezing by means of air
off-coil temperature monitoring
(recommended temperature
threshold setting: +5°C).
Operational parameters
» Measurement range: -18 ÷ +15°C.
» Hysteresis: 1,7 ÷ 12K.
» Nominal voltage:
30V DC or 230V AC.
» Output signal: potential-free contact.
» Protection degree: IP 44.
ANTI-FREEZE THERMOSTATE
Functions and application
» Monitoring of lter’s contamination.
» Control of the operation of a
direct driven fan unit in case of
cooperation with electric heater.
Operational parameters
» Measurement range: 30 do 500 Pa.
» Nominal operating voltage: 250V AC
(Imax=3A).
» Output signal: potential free contact.
» Working temperature range:
-20°C do 60°C.
» Protection degree: IP 54.
DIFFERENTIAL PRESSURE SWITCH
Functions and application
» Measurement of air pressure
drop on lters, activated manually
(button).
» Signal light (LED) informing about
exceeding pressure drop thresholds.
» Low battery warning light signal.
Operational parameters
» Max. Pressure difference: 800 Pa.
» Accuracy: 2,5% of the range.
» Protection degree (interface side):
IP 65.
FILTER CONTAMINATION INDICATOR
Functions and application
» Regulation of supply and exhaust air
(CAV function).
» Regulation of static pressure
in ventilation system trunk duct
(VAV function).
» Constant monitoring of lter
pressure drop (control of lter
contamination level).
Operational parameters
» Measurement range: 6000 Pa.
» Measurement accuracy:
0,25% of the range.
» Communication: ModBus RTU.
» Supply voltage: 21,5V to 30V DC or
21,5V do 26,5V AC.
» Working temperature range:
-20°C do 50°C.
» Protection degree: IP 65.
DIFFERENTIAL PRESSURE TRANSDUCER
Functions and application
» Regulation o temperature
in handled space.
Operational parameters
» Measurement range:
-20°C do +70°C.
» Measurement accuracy: ±0,5K.
» Sensor type: NTC 10k.
» Air humidity range:
5 ÷ 95% no condensation.
» Protection degree: IP20.
» Shielded cable length: max. 100 m.
ROOM AIR TEMPERATURE SENSOR
Functions and application
» Protection of electric heater
against overheating.
Operational parameters
» Power cut-off temperature setpoint:
65°C.
» Power re-switch on temperature
setpoint : 45°C.
» Nominal voltage: 20V DC
or 230V AC.
» Output signal: potential-free contact.
OVERHEAT PROTECTION THERMOSTATE FOR ELECTRIC HEATER
Controls Controls
5352

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