Emerson Dixell XRi77CX User Manual

1592020670 XRi77CX-CH GB r1.1 15.10.2019 XRi77CX-CH 3/9
10. FRONT PANEL AND COMMANDS
To display target set point; in programming mode it selects a parameter or
confirm an operation.
(DEF) To start a manual defrost.
(UP) To see the used parameter map. When in programming mode, it browses
the parameter codes or increases the displayed value.
(DOWN) To see the used parameter map. When in programming mode, it
browses the parameter codes or decreases the displayed value.
Keep it pressed 5 sec to change parameter map from “nt” to “Lt” and vice-versa
(valid when button properly configured).
To switch the instrument on and off (when onF=oFF).
To switch on and off the light (when oAx=LiG).
KEY COMBINATIONS:
+
To lock & unlock the keyboard
+
To enter in programming mode
+
To exit the programming mode
10.1 USE OF LEDS
Icon functions are described in the following table:
LED
MODE
FUNCTION
ON
Compressor enabled
Flashing
Anti-short cycle delay enabled
ON
Defrost enabled
Flashing
Drip time in progress
ON
Fans enabled
Flashing
Fans delay after defrost in progress.
ON
An alarm is occurring
ON
A PULL DOWN is running
ON
Energy saving enabled
ON
Light on
ON
Auxiliary relay on
,
ON
Measurement unit
Flashing
Programming phase
11. MAX & MIN TEMPERATURE MEMORIZATION
11.1 HOW TO SEE THE MIN TEMPERATURE
1. Press and release the DOWN button (if properly configurated).
2. The “Lo” message will be displayed followed by the minimum temperature recorded.
3. By pressing the DOWN button again or waiting for 5 sec the normal display will be restored.
11.2 HOW TO SEE THE MAX TEMPERATURE
1. Press and release the UP button (if properly configurated).
2. The “Hi” message will be displayed followed by the maximum temperature recorded.
3. By pressing the UP button again or waiting for 5 sec the normal display will be restored.
11.3 HOW TO RESET THE MAX AND MIN TEMPERATURE RECORDED
1. Keep SET button pressed for more than 3 sec while the max or min temperature is displayed.
(“rSt” message will be displayed)
2. After confirming the operation, the “rSt” message will start blinking and then the normal
temperature will be displayed.
12. MAIN FUNCTIONS
12.1 TO SET THE CURRENT TIME AND DAY (ONLY WITH RTC)
When the instrument is switched on, it could be required to set the real-time clock.
1. Enter the Pr1 programming menu by keeping both SET+DOWN buttons pressed for 3 sec.
2. Browse to the rtC menu and then push the SET key to enter the real time clock menu.
3. The Hur (hour) parameter is displayed.
4. Push the SET and set current hour by the UP and DOWN keys, then push SET to confirm the
value.
5. Repeat the same operations with Min (minutes) and dAy (day) parameters and other
parameters.
To exit: Push both SET+UP buttons or wait for 15 sec without pushing any button.
12.2 HOW TO SEE THE SET POINT
1. Push and immediately release the SET key: the display will show the Set point value
2. Push and immediately release the SET key or wait for 5 sec to display the probe value again
12.3 HOW TO CHANGE THE SET POINT
1. Push the SET button for 3 sec to change the Set point value.
2. The value of the set point will be displayed and the °C or °F icon will start blinking
3. Use the UP or DOWN buttons to modify the current value
4. Use the SET button to store the new value into memory
12.4 HOW TO START A MANUAL DEFROST
Keep the DEF button pressed for 3 sec to start a manual defrost.
12.5 HOW TO ENTER PARAMETER PROGRAMMING MENU “PR1”
Follow these steps:
1. Enter the Programming mode by pressing the SET+DOWN buttons for 3 sec (the °C or °F LED
will start blinking)
2. Browse to the required parameter and then press the SET button to display its current value
3. Use UP or DOWN buttons to change its value
4. Press SET button to store the new value and move to the following parameter
To exit: press SET+UP buttons or wait for 15 sec without pressing any key.
NOTE: the set value is stored even when the procedure exits by waiting for the time-out
12.6 HOW TO ENTER PARAMETER PROGRAMMING MENU “PR2”
The manufacturer menu (Pr2) includes all the parameters of the instrument.
12.6.1 ENTERING THE PARAMETER PROGRAMMING MENU “PR2”
1. Enter the Programming mode by pressing the SET+DOWN buttons for 3 sec (the °C or °F icon
will start blinking).
2. Released the buttons and then push again the SET+DOWN buttons for more than 7 sec. The
Pr2 label will be displayed immediately followed from the HY parameter.
NOW THE PARAMETER MENU “PR2” IS AVAILABLE FOR ANY MODIFICATION
3. Browse to the required parameter.
4. Press the SET button to display its value.
5. Use UP or DOWN to change its value.
6. Press SET to store the new value and move to the following parameter.
To exit: press SET+DOWN or wait for 15 sec without pressing any key.
NOTE1: if no parameter is present in Pr1 menu, after 3 sec the “noP” message will be displayed. Keep
the buttons pushed till the Pr2 message will be displayed.
NOTE2: the set value is stored even when the procedure ends by waiting for the time-out
12.6.2 HOW TO MOVE A PARAMETER FROM “PR2” MENU TO “PR1” MENU AND VICE-
VERSA
Each parameter present in the hidden menu (Pr2) can be moved into the user level (Pr1) by pressing
both SET+DOWN buttons. If a parameter is part of the user level, when showed in the hidden menu
the decimal point will be lit.
12.7 HOW TO LOCK THE KEYBOARD
1. Keep both UP and DOWN buttons pressed more than 3 sec.
2. The “PoF” message will be displayed, and the keyboard will be locked. At this point it will be
possible only to see the set point or the MAX o Min temperature stored
3. If a button is pressed more than 3 sec the “PoF” message will be displayed.
12.8 HOW TO: UNLOCK THE KEYBOARD
Keep both UP and DOWN pressed more than 3 sec till the “Pon” message will be displayed.
12.9 THE ON/OFF FUNCTION
By pushing the ON/OFF key, the instrument will go in stand-by.
During the stand-by status, all the relays are switched OFF and the regulations are stopped;
if a monitoring system is connected, it does not record the instrument data and alarms.
WARNING: Loads connected to the normally closed contacts of the relays are always supplied
and under voltage, even if the instrument is in stand-by mode.
13. PARAMETERS
rtC
Real time clock menu (only for controller with RTC): to set the time and date and
defrost start time.
REGULATION
LS
Minimum set point: (-100°C to SET; -148°F to SET) sets the minimum value for the
set point.
US
Maximum set point: (SET to 150°C; SET to 302°F) set the maximum value for set
point.
HY
Differential for normal regulation (compressor cut-in): (0.1 to 25.5°C; 1 to 45°F)
differential for set point. Compressor Cut IN is Set Point + differential (HY). Compressor
Cut OUT is when the temperature reaches the set point.
odS
Outputs delay activation after power on: (0 to 255min) this function is enabled at
the initial start-up of the instrument and inhibits any output activation for the period set
in the parameter.
AC
Compressor anti-short-cycle delay: (0 to 50min) minimum interval between the
compressor stop and the following restart.
AC1
Second compressor anti-short-cycle delay: (0 to 50min) minimum interval between
the second compressor stop and the following restart.

Emerson Dixell XRi77CX Specifications

General

Brand	Emerson
Model	Dixell XRi77CX
Category	Controller
Language	English