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dixell Wing Series Instruções de instalação e de utilização

4.5 HOW TO SEE AND MODIFY THE SET POINT

Push and immediately release the SET key: the display will show the Set point value;

The SET LED start blinking;

To change the Set value push the o or n arrows within 10s.

To memorise the new set point value push the SET key again or wait 10s.

4.6 TO ENTER IN PARAMETERS LIST "PR1"

To enter the parameter list "Pr1" (user accessible parameters) operate as follows:

1. Enter the Programming mode by pressing the Set and DOWN key for few

seconds (

The instrument will show the first parameter present in "Pr1"

4.7 TO ENTER IN PARAMETERS LIST "PR2"

To access parameters in "Pr2":

Enter the "Pr1" level.

Select "Pr2" parameter and press the "SET" key.

The "PAS" flashing message is displayed, shortly followed by "0 - -" with a flashing zero.

Use o or n to input the security code in the flashing digit; confirm the figure by pressing "SET".

The security code is "321".

If the security code is correct the access to "Pr2" is enabled by pressing "SET" on the last digit.

Another possibility is the following: after switching ON the instrument the user can push Set and DOWN

keys within 30 seconds.

NOTE: each parameter in "Pr2" can be removed or put into "Pr1" (user level) by pressing "SET" + n.

When a parameter is present in "Pr1" LED

4.8 HOW TO CHANGE THE PARAMETER VALUE

1. Enter the Programming mode.

2. Select the required parameter with o or n.

3. Press the "SET" key to display its value (

4. Use o or n to change its value.

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

To exit: Press SET + UP or wait 15s without pressing a key.

NOTE: the new programming is stored even when the procedure is exited by waiting the time-out.

4.9 HOW TO LOCK THE KEYBOARD

Keep the o and n keys pressed together for more than 3 s the o and n keys.

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

only possible the viewing of the set point or the MAX o Min temperature stored and

to switch ON and OFF the light, the auxiliary output and the instrument.

TO UNLOCK THE KEYBOARD

Keep the o and n keys pressed together for more than 3s.

4.10 ON/OFF FUNCTION

By pushing the ON/OFF key, the instrument shows "OFF" for 5 sec. and the ON/OFF

LED is switched ON.

During the OFF status, all the relays are switched OFF and the regulations are stopped;

N.B. During the OFF status the Light button is active.

5. PARAMETER LIST

REGULATION

Hy Differential: (0,1 ÷ 25,5°C / 1÷255 °F) Intervention differential for set point.

Cooling: Compressor Cut IN is Set Point Plus Differential (Hy). Compressor Cut OUT is when the

temperature reaches the set point.

Heating: Compressor Cut IN is Set Point minus Differential (Hy). Compressor Cut OUT is when

the temperature reaches the set point.

LS Minimum set point limit: (-50,0°C

the set point.

US Maximum set point limit: (SET

110°C; SET÷230°F) Set the maximum acceptable value for set

point.

OdS Outputs activation delay at start up: (0÷255 min) This function is enabled at the initial start up

of the instrument and inhibits any output activation for the period of time set in the parameter.

(Light can work)

AC Anti-short cycle delay: (0÷30 min) interval between the compressor stop and the following

restart.

CCt Thermostat override: (0min ÷23h 50min) allows to set the length of the continuous cycle. Can

be used, for instance, when the room is filled with new products.

Con Compressor ON time with faulty probe: (0÷255 min) time during which the compressor is active

in case of faulty thermostat probe. With COn=0 compressor is always OFF.

COF Compressor OFF time with faulty probe: (0÷255 min) time during which the compressor is off

in case of faulty thermostat probe. With COF=0 compressor is always active.

CH Type of action: CL = cooling; Ht = heating.

DISPLAY

CF Temperature measurement unit: °C = Celsius; °F = Fahrenheit. When the measurement unit is

changed the SET point and the values of some parameters have to be modified.

rES Resolution (for °C): (in = 1°C; de = 0,1°C) allows decimal point display.

dE = 0,1°C; in = 1 °C

ALARMS

ALC Temperature alarm configuration

rE = High and Low alarms related to Set Point

Ab = High and low alarms related to the absolute temperature.

ALU High temperature alarm setting:

ALC= rE, 0

50°C or 90°F

1592009211 XW10L-V GB r1.0 30.05.2011

and

start blinking).

is on.

and

LED starts blinking).

SET; -58°F÷SET) Sets the minimum acceptable value for

ALC= Ab, ALL

110°C or 230°F

when this temperature is reached and after the ALd delay time the HA alarm is enabled.

ALL Low temperature alarm setting:

ALC = rE , 0

50 °C or 90°F

ALC = Ab , - 50°C or -58°F

when this temperature is reached and after the ALd delay time, the LA alarm is enabled,.

AFH Temperature alarm differential: (0,1÷25,5°C; 1÷45°F) Intervention differential for temperature

alarm set point, always positive.

ALd Temperature alarm delay: (0÷255 min) time interval between the detection of an alarm condition

and the corresponding alarm signalling.

dAO Delay of temperature alarm at start-up: (0min÷23h 50min) time interval between the detection

of the temperature alarm condition after the instrument power on and the alarm signalling.

dot Delay of temperature alarm after closing the door : (0

temperature alarm condition after closing the door.

doA Open door alarm delay:(0÷255 min) delay between the detection of the open door condition and

its alarm signalling: the flashing message "dA" is displayed.

nPS Pressure switch number: (0

interval, before signalling the alarm event (I2F= PAL).

If the nPS activations in the did time are reached, switch off and on the instrument to

restart normal regulation.

PROBE INPUTS

Thermostat probe calibration: (-12.0

thermostat probe.

HES Temperature increase during the Energy Saving cycle : (-30,0°C

the increasing value of the set point during the Energy Saving cycle.

DIGITAL INPUTS

odc Compressor status when open door:

no, Fan = normal; CPr, F_C = Compressor OFF.

I2P Configurable digital input polarity:

CL : the digital input is activated by closing the contact;

OP : the digital input is activated by opening the contact

I2F Digital input operating mode: configure the digital input function:

EAL = generic alarm;

bAL = serious alarm mode;

PAL = Pressure switch;

dFr = Not used;

AUS = Not used;

Es = Energy Saving;

onF = remote On/OFF.

dor = door switch

did Time interval/delay for digital input alarm:(0

the pressure switch activation when I2F=PAL. If I2F=EAL or bAL (external alarms), "did"

parameter defines the time delay between the detection and the successive signalling of the

alarm.

OTHER

PbC Type of probe: it allows to set the kind of probe used by the instrument:

PbC = PBC probe, ntC = NTC probe.

rEL Release software: (read only) Software version of the microprocessor.

Ptb Parameter table: (read only) it shows the original code of the dIXEL parameter map.

Prd Probes display: (read only) display the temperature.

Pr2 Access to the protected parameter list (read only).

6. DIGITAL INPUTS

The XW10L has 1 free contact digital input. It is programmable in six different configurations by the

"I2F" parameter.

6.1 DOOR SWITCH INPUT (I2F = dor)

It signals the door status and the corresponding relay output status through the "odc" parameter:

no, Fan = normal (any change);

CPr, F_C = Compressor OFF;

Since the door is opened, after the delay time set through parameter "dOA", the alarm output is

enabled and the display shows the message "dA". The alarm stops as soon as the external digital input

is disabled again. During this time and then for the delay "dot" after closing the door, the high and low

temperature alarms are disabled.

6.2 GENERIC ALARM (I2F = EAL)

As soon as the digital input is activated the unit will wait for "did" time delay before signalling the "EAL"

alarm message. The outputs status don't change. The alarm stops just after the digital input is de-

activated.

6.3 SERIOUS ALARM MODE (I2F = BAL)

When the digital input is activated, the unit will wait for "did" delay before signalling the "BAL" alarm

message. The relay outputs are switched OFF. The alarm will stop as soon as the digital input is de-

activated.

6.4 PRESSURE SWITCH (I2F = PAL)

If during the interval time set by "did" parameter, the pressure switch has reached the number of

activation of the "nPS" parameter, the "PAL" pressure alarm message will be displayed. The

compressor and the regulation are stopped. When the digital input is ON the compressor is always

OFF.

If the nPS activation in the did time are reached, switch off and on the instrument to restart

normal regulation.

6.5 ENERGY SAVING (I2F = ES)

The Energy Saving function allows to change the set point value as the result of the SET+ HES

(parmeter) sum. This function is enabled until the digital input is activated.

6.6 REMOTE ON/OFF (I2F = ONF)

This function allows to switch ON and OFF the instrument.

XW10L – XW10V

ALU

255 min) Time delay to signal the

15) Number of activation of the pressure switch, during the "did"

12.0°C/ -21

21°F) allows to adjust possible offset of the

255 min.) Time interval to calculate the number of

30,0°C / -22÷86°F) sets

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