EVCO EVFTFT618N7U User Manual
Page 57
EVCO S.p.A.
EVFTFT618 | Installer manual ver. 2.2 | Code 144FTFT618E224
Page
57
of
62
Analogue inputs:
3 inputs (cabinet probe, evaporator probe, condenser probe), can be set via
configuration parameter for PTC/NTC probes
1 digital input (humidity sensor).
PTC type analogue inputs (990 Ω @ 25°C, 77°F)
Type of sensor:
KTY 81-121.
Measurement field:
from
-50
to
150℃
(from -58 to 302°F).
Resolution:
1 °C (1 °F).
Protection:
none.
NTC type analogue inputs (10K Ω @ 25°C, 77°F)
Type of sensor:
ß3435.
Measurement field:
from
-40
to
105℃
(from -40 to 220 ℃).
Resolution:
1 °C (1 °F).
Protection:
none.
4-20 mA analogue input
Digital inputs:
4 inputs (door micro switch, high pressure, low pressure and compressor
circuit breaker protection), which can be set via configuration parameter due
to normally open contact/normally closed contact (potential-free contact, 5
VDC, 2 mA)
Digital inputs
Power:
none.
Protection:
none.
Displays:
320
x
240
pixel
(3.5 inch) colour TFT graphics display
Analogue outputs:
1 PWM output for management of the evaporator fan.