Evco EVFTFT618 - Analogue inputs; Digital inputs

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.