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3.9 To enter in parameters list Pr2
To reach the parameters present in "Pr2" (parameters
accessible
to
the
, which will deliver you the secret code
making it possible to reach these parameters.
4. ALARM SIGNALS
Message
Cause
Thermostat probe
"P1"
failure
Maximum
"HA"
temperature alarm
Minimum
"LA"
temperature alarm
Data or memory
"EE"
failure
The alarm message is displayed until the alarm condition is
recovery.
All the alarm messages are showed alternating with the room
temperature except for the "P1" which is flashing. To reset the
"EE" alarm and restart the normal functioning press any key,
the "rSt" message is displayed for about 3s.
technicians),
please
Output
Alarm output ON; Compressor
output according to parameters
"COn" and "COF"
Alarm output ON; Other outputs
unchanged
Alarm output ON; Other outputs
unchanged
Alarm output ON; Other outputs
unchanged
5. PARAMETERS PROGRAMS IN FACTORY
Parameter
Set
Set point
Hy
Differential
AC
Anti-short cycle delay
rES
Resolution (integer/decimal point)
IdF
Interval between defrost cycles
MdF
(Maximum) length for defrost
ALU
MAXIMUM temperature alarm
ALL
Minimum temperature alarm
ot
Thermostat probe calibration
Adr
Address series (unused)
Access parameter list ( read only)
P2r
4.1 EE alarm
The instruments are provided with an internal check for the
contact
data integrity. Alarm "EE" flashes when a failure in the
memory data occurs. In such cases the alarm output is
enabled.
4.2 Alarm recovery
Probe alarms "P1" (probe1 faulty), "P2" ; they automatically
stop 10s after the probe restarts normal operation. Check
connections before replacing the probe.
Temperature alarms "HA" and "LA" automatically stop as soon
as the thermostat temperature returns to normal values or
when the defrost starts.
Name
12
Default
2
1
1
de
7
60
8
2
0
1
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