EVCO EVFTFT618N7U User Manual
Page 45
EVCO S.p.A.
EVFTFT618 | Installer manual ver. 2.2 | Code 144FTFT618E224
Page
45
of
62
1 = normally closed (input active with open contact)
i11
-1
240
s
5
input circuit breaker protection alarm signal delay
(“CtH”code)
-1 = the alarm will not be signalled
Par.
Min.
Max.
Unit
Default
Digital outputs
u1
0
1
- - - -
0
utility managed by the output K8
0 = pump down valve (in this case, parameter u2 will
have meaning)
1 = evaporator fan (in this case, the output will respond
to the status of the PWM output dedicated to the
evaporator fan in ON/OFF mode)
u2
0
240
s
90
if i6 = 0 or 1:
compressor deactivation delay from pump-down valve
switch-off (pump-down in switch-off only for u1 = 0)
If i6 = 2:
Pump-down maximum duration in compressor switch-off
mode without activation if the low pressure input such to
cause the compressor to switch-off and signal the pump-
down alarm.
0 = the alarm is not signalled
u3
0
1
- - - -
0
utility managed by the output K4
0 = dehumidifier/extractor fan (in this case, parameters
rU5 and rU6 will have meaning)
1 = condenser fan (in this case, the F16 and F17
parameters will assume significance)
N.B. with u3 = 1 dehumidification will be automatically
managed via the activation of the cooling plant
Par.
Min.
Max.
Unit
Default
Serial
communication
(RS-48
serial
port
with
MODBUS communication protocol)
L1
1
240
min
5
internal data sampling time
LA
1
247
- - - -
247
device address
Lb
0
3
- - - -
2
baud rate
0 = 2,400 baud
1 = 4,800 baud
2 = 9,600 baud
3 = 19,200 baud
LP
0
2
- - - -
2
parity
0 = none (no parity)
1 = odd
2 = even
Par.
Min.
Max.
Unit
Default
Other
E8
0
2
- - - -
2
keyboard lock
0 = disabled
1= manual