dixell COOL MATE XLR470 Manuale operativo - Pagina 7

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1.9 HOW TO MOVE A PARAMETER FROM THE "PR2" MENU TO "PR1" AND VICE VERSA.

Each parameter present in "Pr2" MENU can be removed or put into "Pr1", user level, by pressing "SET1 + n

In "Pr2" when a parameter is present in "Pr1" the decimal point LE of the bottom display is on.

1.10 HOW TO CHANGE A PARAMETER

To change a parameter value operates as follows:

Enter the Programming mode

Select the required parameter.

Press the "SET1" key and the value starts blinking.

Use "UP" or "DOWN" to change its value.

Press "SET1" to store the new value and move to the following parameter.

TO EXIT: Press SET1 + o

o or wait 15s without pressing a key.

o o

NOTE: the set value is stored even when the procedure is exited by waiting the time-out to expire.

1.11 HOW TO LOCK THE KEYBOARD

1.12 TO UNLOCK THE KEYBOARD

Keep pressed together for more than 3s the o

1.13 ON/OFF FUNCTION – HOW TO SWITCH ON AND OFF THE CONTROLLER

By pressing the

During the stand by if a monitored unit is connected, it does not record the instrument data and alarms

To switch the instrument on again press the

NOTE1: When the instrument is in stand-by, all the relays are under power supply. Don't connect any loads to the normal closed contact of the

relays.

NOTE2: With the instrument in stand-by, it's possible to see and modify the set points and enter the programming mode.

PARAMETER LIST

DIFFERENTIALS

Hy1

Differential1: (0,1÷25,5°C; 1÷45°F): Intervention differential for set point1, always positive. Compressor1 Cut IN is Set Point Plus

Differential1 (Hy1). Compressor1 Cut OUT is when the temperature reaches the set point1.

Hy2

Differential2: (0,1÷25,5°C; 1÷45°F): Intervention differential for set point2, always positive. Compressor2 Cut IN is Set Point2 Plus

Differential2 (Hy2). Compressor2 Cut OUT is when the temperature reaches the set point2.

REGULATION – SECTION 1

LS1

Minimum set point1 limit: (-50,0°C

US1

Maximum set point1 limit: (SET1

OdS1 Outputs activation delay of section 1 at start up: (0÷255 min) This function is enabled at the initial start up of the instrument and inhibits

any output activation of the section 1 for the period of time set in the parameter. (Light can work)

AC1

Anti-short cycle delay for compressor1: (0÷30 min) interval between the compressor1 stop and the following restart.

Con1 Compressor1 ON time with faulty probe1: (0÷255 min) time during which the compressor1 is active in case of faulty thermostat probe.

With COn=0 compressor1 is always OFF.

COF1 Compressor1 OFF time with faulty probe1: (0÷255 min) time during which the compressor is off in case of faulty thermostat probe. With

COF=0 compressor is always active.

CH1

Kind of action for section 1: CL = cooling; Ht = heating

REGULATION – SECTION 2

LS2

Minimum set point2 limit: (-50,0°C

US2

Maximum set point2 limit: (SET2

OdS2 Outputs activation delay of section 2 at start up: (0÷255 min) This function is enabled at the initial start up of the instrument and inhibits

any output activation of the section 1 for the period of time set in the parameter.

AC2

Anti-short cycle delay for compressor2: (0÷30 min) interval between the compressor2 stop and the following restart.

Con2 Compressor2 ON time with faulty probe2: (0÷255 min) time during which the compressor2 is active in case of faulty thermostat probe.

With COn=0 compressor2 is always OFF.

1592017050 XLR470 GB r1.0 24.05.07.doc

Operating manual

Keep pressed for more than 3 s the o

The "POF" message will be displayed and the keyboard will be locked. At this point it will be possible only to

see the set points.

If a key is pressed more than 3s the "POF" message will be displayed.

o and n

o o

n keys, till the "Pon" message will be displayed.

n n

key the controller is switched OFF. The stand-by function switches OFF all the relays and stops the regulation.

key.

SET1; -58°F÷SET1) Sets the minimum acceptable value for the set point1.

÷ ÷ ÷ ÷

110°C; SET1÷230°F) Set the maximum acceptable value for set point1.

÷ ÷ ÷ ÷

SET2; -58°F÷SET2) Sets the minimum acceptable value for the set point2.

÷ ÷ ÷ ÷

110°C; SET2÷230°F) Set the maximum acceptable value for set point2.

÷ ÷ ÷ ÷

o and n

o o

n keys.

n n

XLR470

cod. 1592017

cod. 1592

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n n

017050

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