Eliwell IDplus 961 Manuale utente

Electronic controllers for refrigerating units

PLUS

961 - 971 - 974

CONTENTS GB

USER INTERFACE................................... 4

KEYS AND LED ....................................... 5

ACCESSING AND USING MENUS . 6

BASIC COMMANDS MENU ............. 6

BASIC COMMANDS EDIT LOCK.... 7

PROGRAMMING MENU .................... 7

COPY CARD ............................................. 8

PASSWORD.............................................. 9

ENABLING DEFROST CYCLE

MANUALLY .............................................. 9

DIAGNOSTICS......................................... 9

ALARMS..................................................... 10

MAX AND MIN TEMPERATURE

ALARM ....................................................... 11

MECHANICAL ASSEMBLY.................. 12

ELECTRICAL WIRING............................ 12

CONDITIONS OF USE ......................... 13

LIABILITY AND RESIDUAL RISK ...... 13

DISCLAIMER............................................. 14

TECHNICAL DATA................................. 14

PARAMETERS TABLE............................ 16

ENGLISH

Electronic controllers for refrigerating units

set

* When switched on, the device performs a Lamp Test; the display and LEDs will flash for several

seconds to check that they all function correctly.

* To activate the LOC function: - enter the ‘Basic Commands’ menu by pressing

-press the and keys within 2 seconds.

If the LOC function is active and you try to enter the ‘Parameters’ menu, the word LOC appears.

If this happens, the parameters are still displayed but cannot be edited.

To disable the keypad lock, repeat the aforementioned procedure.

set

KEYS AND LEDs

set

Press and release

Scrolls through menu items

Increases values

Press for at least 5 secs

Activates the Manual Defrost function

DOWN

Press and release

Scrolls through menu items

Decreases values

STAND-BY (ESC)

Press and release

Returns to the previous menu level

Confirm parameter value

Press for at least 5 secs

Activates the STAND BY function

(when outside the menus)

SET (ENTER)

Press and release

Displays alarms (if active)

Opens Basic Commands menu

Press for at least 5 secs

Opens the Programming menu

Confirms commands

Reduced Set/Economy LED

Flashing: Reduced set active

Compressor LED

Permanently on: Compressor Active

Flashing: Delay, protection or blocked

start-up.

Defrost LED

Permanently on: Defrost Active

Flashing: Manual or D.I activation

Fan LED

Permanently on: Fans active

Alarm LED

Permanently on: Alarm on

Flashing: Alarm acknowledged

Aux LED Depending on model

°C LED

Permanently on: °C setting (dro = 0)

°F LED

Permanently on: °F setting (dro = 1)

ACCESSING AND USING THE MENUS

Resources are organised into menus which are accessed by briefly tapping the key (‘Basic Commands’ menu) or by

keeping the key pressed for more than 5 seconds (‘Programming’ menu).

Either do not press any keys for 15 seconds (time-out) or press the key once, to confirm the last value displayed

and return to the previous screen.

BASIC COMMANDS MENU

Access the ‘Basic Commands’ menu by pressing and releasing the key. If no alarms are active, the ‘SEt’ label appears.

By pressing the and keys you can scroll all folders in the ‘Basic Commands’ menu:

- AL: alarms folder (only visible if an alarm is active);

- SEt: Set point setting folder.

- Pb1: probe 1 folder;

- Pb2: probe 2 folder **;

- dit: interval between defrosts folder;

- dEt: defrost timeout folder;

- dSt: defrost end temperature folder **;

(** models ID971 and ID974 only)

Setting the Set point: To display the Set point value press the key when the ‘SEt’ label is displayed.

The Set point value appears on the display. To change the Set point value, press the and

keys within 15 seconds. Press to confirm the modification.

Change the value of the dit, dEt and dSt defrost parameters in the same way.

Displaying the probes: When the Pb1 or Pb2* label is displayed, press and the associated probe value will appear

(* Pb2 is only present on models ID971 and ID974).

set

5 secs

set

5 secs

Figure 1 Figure 2

set

BASIC COMMANDS EDIT LOCK

It is possible to disable the keypad on this device.

The keypad can be locked by entering the ‘Basic Commands’ menu using and pressing and within 2

seconds or by programming the ‘LOC’ parameter (see ‘diS’ label folder)

With the keypad locked you can still access the ‘Basic Commands’ menu by pressing to display the Set point and

dit, dEt and dSt parameters, but you cannot edit them.

To disable the keypad lock, repeat the locking procedure.

PROGRAMMING MENU

To access the ‘Programming’ menu hold down the key for more than 5 seconds.

If specified, the ‘PA1’ access PASSWORD will be requested (see ‘PASSWORD’ paragraph).

Press the key to modify the values. The display will show the first folder in the menu (e.g.: the ‘CP’ folder).

By pressing the and keys you can scroll all folders in the Programming menu (Figure 1):

Press the key beside the selected folder (‘dEF’ in the example in figure 2) to view the first parameter contained.

Select the desired parameter using the and keys. Press to see the current value of the selected parameter.

Press and to change the value and then press to save it.

NOTE: It is strongly recommended that you switch the device off and on again each time the parameter configuration is

changed, in order to prevent malfunctioning of the configuration and/or ongoing timings.

USING THE COPY CARD

The Copy Card is an accessory connected to the TTL serial port used for quick programming of the device parameters

(upload and download a parameter map to one or more devices of the same type). Upload (label UL) and copy card

formatting (label Fr) operations should be performed as explained below:

The ‘FPr’ folder contains the commands necessary for use of the Copy Card. Press the key to open the Functions

menu. Press the and keys to scroll through to the required function (e.g. UL).

Press the key to execute the upload. If the operation is successful, the display will show ‘y’, if not it will show ‘n’.

Upload (UL) This function uploads the programming parameters from the device.

UPLOAD: device Copy Card

Format: (Fr) This command is used to format the copy card, an operation which is necessary when using the card

for the first time. Important: when the copy card has been programmed, the parameter ‘Fr’ will delete

all data that have been entered. This operation cannot be cancelled.

Download from reset:

Connect the copy card when the device is switched off. When the

device is switched on, the download from the copy card will

begin automatically. At the end of the lamp test, the display will

show ‘dLy’ if the operation was successful and ‘dLn’ if not.

DOWNLOAD: Copy Card device

NOTES:

- after the parameters have been downloaded, the device uses the downloaded parameter map settings.

- see ‘FPr’ folder in Parameter Table and Description of Parameters.

UPLOAD

DOWNLOAD

set

PASSWORDS

The password ‘PA1’ allows access to the programming parameters. In the standard configuration the password is disabled

(value = 0). To enable it (value ≠0) and assign the required value, enter the ‘Programming’ menu, in the folder with the

‘diS’ label.

If the password is already enabled it will be required to access the ‘Programming’ menu. To enter it:

If the password is incorrect, the display will show the ‘PA1’ label and you will have to repeat the entry procedure.

MANUAL DEFROST CYCLE ACTIVATION

To manually activate the defrost cycle, hold down the key for 5 seconds.

If the defrost conditions are not satisfied

- the parameter OdO ≠0 (Models ID961, ID971 and ID974)

- the evaporator probe Pb2 temperature is higher than the defrost end temperature (Models ID971 and ID974)

the display will flash 3 times, to indicate that the operation will not be carried out.

DIAGNOSTICS

Alarms are always indicated by the buzzer (if present) and the alarm icon .

To switch off the buzzer, press and release any key, the relative icon will continue to flash.

NOTES: If alarm exclusion times have been set (see ‘AL’ folder in the parameters table) the alarm will not be signalled.

A probe 1 (Pb1) malfunction alarm will appear directly on the display with the

indication E1.

Models ID971 and ID974: A probe 2 (Pb2) malfunction alarm will appear

directly on the display with the indication E2.

set

5 secs

set

ALARMS

Label Fault Cause Eects Remedy

E1 Probe 1 faulty

(cold room)

• measured values are outside

operating range

• probe faulty/short-circuited/open

• Display label E1

• Alarm icon permanently on

• Min/max alarm regulator disabled

• Compressor operation according to “Ont”

parameter.

• check probe type NTC/PTC (H00)

• check the probe wiring

• replace probe

E2 Probe 2 faulty

(defrost)

• measured values are outside

operating range

• probe faulty/short-circuited/open

• Display label E2

• Alarm icon permanently on

• The Defrost cycle will end due to Time out

(Parameter“dEt”)

• check probe type NTC/PTC (H00)

• check the probe wiring

• replace probe

AH1

Probe 1 HIGH

temperature

alarm

• value read by probe 1 > HAL after

time of“tAO”.

(see MAX/MIN ALARMS table)

• Recording of label AH1 in folder AL

• No eect on regulation

• Wait until temperature value read

by probe 1 returns below HAL

AL1

Probe 1 LOW

temperature

alarm

• value read by probe 1 < LAL dopo

tempo pari a“tAO”.

(see MAX/MIN ALARMS table)

• Recording of label AL1 in folder AL

• No eect on regulation

• Wait for the temperature value

read by probe 1 to come back

above LAL

EA External alarm • Digital input activated

(H11 set as external alarm)

• Recording of label EA in folder AL

• Alarm icon permanently on

• Regulation blocked if EAL = y

• to check and to remove the

external cause which generate

alarm on D.I.

Opd Door open alarm

• Digital input activated

(H11 set as door switch)

(for a longer time than tdO)

• Recording of label Opd in folder AL

• Alarm icon permanently on

• Regulator blocked

• close the door

• delay function dened by OAO

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