dixell COOL MATE XLR470 Manuale operativo - Pagina 14

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dIXEL

1.25 HOW TO PROGRAM AN INSTRUMENT USING A HOT KEY (DOWNLOAD)

Turn OFF the instrument.

Insert a programmed "Hot Key" into the 5 PIN receptacle and then turn the Controller ON.

Automatically the parameter list of the "Hot Key" is downloaded into the Controller memory, the "doL" message is blinking followed a by

flashing "End".

After 10 seconds the instrument will restart working with the new parameters.

Remove the "Hot Key"..

NOTE the message "Err" is displayed for failed programming. In this case turn the unit off and then on if you want to restart the download again or

remove the "Hot key" to abort the operation.

14.

ALARM SIGNALS

Message

"P1"

Thermostat1 probe failure

"P2"

Evaporator 1 probe failure

"P3"

Thermostat 2 probe failure

"P4"

Evaporator 2 probe failure

"HA"

High temperature alarm

"LA"

Low temperature alarm

"EE"

Some memory problems

"dA"

Door switch alarm

"EAL"

External alarm

"bAL"

Serious external alarm

"rtc"

RTC data wrong

"rtF"

RTC failure

"noP"

Display probe not present

"POF"

Keyboard locked

"POn"

Keyboard unlocked

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.

1.26 SILENCING BUZZER

Once the alarm signal is detected the buzzer can be silenced by pressing any key.

1.27

"EE" ALARM

The dIXEL instruments are provided with an internal check for the data integrity. Alarm "EE" flashes when a failure in the memory data occurs. In

such cases the alarm output is enabled.

1.28 ALARM RECOVERY

Probe alarms : "P1" (probe1 faulty), "P2" "P3" and "P4"; they automatically stop 10s after the probe restarts normal operation. Check connections

before replacing the probe. Door switch alarm "dA" stop as soon as the door is closed. External alarms "EAL", "bAL" stop as soon as the external

digital input is disabled. 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.

1592017050 XLR470 GB r1.0 24.05.07.doc

Operating manual

Cause

Alarm output ON; Compressor1 output according to parameters "COn1" and "COF1"

Alarm output ON; Other outputs unchanged

Alarm output ON; Compressor2 output according to parameters "COn2" and "COF2"

Alarm output ON; Other outputs unchanged

Outputs unchanged

Alarm output ON; Other outputs OFF

Outputs unchanged

Regulation outputs deactivated

Outputs unchanged

Outputs

XLR470

cod. 1592017

cod. 1592

017050

017

050

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