Eliwell IWP 740 - User Manual

The device consists of two units:
• a IWK keyboard available in 3 sizes
(see below and in paragraph on
Models)*;
• an IWP power module.
The IWK keyboard is connected to the
IWP power module using an “powered”
serial connection also referred to as
SHORT DISTANCE.
*Different types of IWK keyboards are
available: the functions and connec-
tion of the standard 32x74 4 button
IWK keyboard are illustrated below.
For information on this and other key-
boards, refer to the relevant technical
data sheets.
USER INTERFACE
(example of a standard 32x74 4-button
keyboard).
The user has a keyboard with a 6 LED
display and four buttons for controlling
status and programming of the instru-
ment.
BUTTONS AND MENUS
UP Button
Scrolls through the menu items
Increases the values
Parameter programmable*
(see H31 parameter: by default
Manual DEFROST is defrost)
DOWN Button
Scrolls through the menu items
Decreases the values
Parameter programmable*
(see parameter H32, by default
aux relay is active)
ESC button
ESC function (exit)
Parameter programmable*
(see H33 parameter)
set button
(press once)
MACHINE STATUS MENU
•Accesses the set point
•Displays the alarms
(if active)
•Dispays Pb1,Pb2 and Pb3
(see)
(hold down)
•Accesses the programming
Menu Parameters
UP button +esc button pressed simultaneously
(press for 2 seconds)
•Keyboard locking/unlocking
FOR WIDE AND 6 BUTTON IWK KEYBOARDS
“secondary” or function buttons
“ON-OFF” (hold down, see par.H02)
(function 2)
Switches unit on/off
Parameter programmable*
(see H35 parameter)
“LIGHT” button (function 1)
Switches on the light
Parameter programmable*
(see H34 parameter)
*NOTE:
The “primary” buttons can be pro-
grammed using the parameters H31…H33
(see)
In standard configuration the buttons are
set by default as:
• “UP” button; par. H31=1; enables
manual defrosting
• “DOWN” button; par. H32=0 no related
function (disabled)
• “esc” button; par. H33=3 enables the
reduced set function
• “set” button; not programmable.
LEDS
“Display” LEDs
The display is red, the 6 LEDs are red
“eco” LED
•ON for parameter programming level 2;
•blinking when OSP reduced set is entered
Compressor LED
ON for compressor on;
•blinking for protection delay, or enabling
blocked.
Defrosting LED
ON when automatic defrosting in progress;
•blinking when manual defrosting is in
progress;
LED Fans
•ON when fan is on;
•blinking for manual or D.I. (Digital Input)
fan forcing
(%RH function, humidity reduction
if par. H11=13)
Alarms LED
•ON for active alarm;
•blinking for silenced alarm
FOR IWK WIDE AND 6-BUTTON LED
KEYBOARDS ONLY
“set” LED
•ON for paramter programming level 2;
•blinking when OSPreduced set is entered
“on-off” LED
ON when unit “off” (on STAND-BY);
•OFF when unit on;
“light” LED
ON when output is active, (%RH / light
depending on model and/or default set-
tings);
ON when output is also active from D.I.
IWP 740 (LX)
Electronic controllers for “ventilated” refrigerating units
Model
IWK keyboard
IWK std 6 buttons
IWK 32x74 4
buttons
IWK wide
6 (max 8) buttons
IWP power module
IWP 740 (LX)
Characteristics
open board keyboard
68x124mm (LxH)
Eliwell std. keyboard
32x74x60mm (LxHxD)
“IWC” style keyboard
180x37x45mm (LxHxD)
base module with 4 relays
92x121mm (LxH)
MODELS
set
f nc
IWK

eco
aux
fnc
set
fnc
set
COD. 9IS23033
REL. 3/04
I
PLEASE NOTE - WIDE AND 32X74 KEY-
BOARD ALL LEDS ARE RED
PLEASE NOTE - IF WIDE OR “OPEN”
KEYBOARDS ARE USED, SOME FUNC-
TIONS RELATED TO THE DEDICATED
BUTTONS MAY NOT BE AVAILABLE:
READ THE USER INTERFACE SECTION
ONLY FOR IWK WIDE AND 6-BUTTON
KEYBOARDS
“ AND TABLE OF PARAMETERS, “config-
uration parameters”

Summary

USER INTERFACE OVERVIEW

MENU ACCESS AND NAVIGATION

PROGRAMMING MENU

Accessing level 1 and level 2 parameters.

ADVANCED OPERATIONS AND NETWORKING

USING COPY CARD

Procedures for parameter transfer using a copy card.

LINK NETWORK FUNCTIONS

Describes network connectivity and roles.

SYSTEM CONTROL AND PROTECTION

PRESSURE SWITCH CONTROL

Monitoring and control via pressure switches.

DIAGNOSTICS AND ERROR CODES

DIAGNOSTICS OVERVIEW

General overview of diagnostics and error indications.

Probe errors table

Table detailing probe-related error codes.

ALARM HANDLING AND SYSTEM ASSEMBLY

TEMPERATURE AND PROBE ALARMS

Settings for temperature and probe 3 alarms.

PRESSURE SWITCH AND ALARM TABLE

Alarms for pressure switches and alarm code reference.

ELECTRICAL CONNECTIONS AND USAGE CONDITIONS

ELECTRICAL CONNECTIONS

Details on wiring and connections.

TECHNICAL DATA

IWP 740 (LX) BASE TECHNICAL DATA

Technical specs for the base unit.

STANDARD 4 BUTTON IWK KEYBOARD TECHNICAL DATA

Technical specs for the 4-button keyboard.

KEYBOARD AND SERIAL OUTPUT TECHNICAL DATA

IWK WIDE KEYBOARD TECHNICAL DATA

Technical specs for the wide keyboard.

6 BUTTON IWK KEYBOARD TECHNICAL DATA

Technical specs for the 6-button keyboard.

PARAMETER TABLES: COMPRESSOR CONTROL

COMPRESSOR CONTROLLER

Parameters for compressor control.

COMPRESSOR PROTECTIONS

Parameters for compressor safety protections.

PARAMETER TABLES: DEFROSTING

DEFROST TYPE AND INTERVAL

Defines defrost method and time between operations.

DEFROST TIMING AND COUNTING

DEFROST SCHEDULES AND CONDITIONS

DEFROST POWER ON AND OFF SETTINGS

FAN AND ALARM CONTROL PARAMETERS

FAN REGULATOR SETTINGS

Parameters for fan operation and behavior.

ALARM CONFIGURATION SETTINGS

Parameters for various alarm conditions.

LIGHT AND DIGITAL INPUT SETTINGS

SPECIFIC PARAMETER GROUPS

Defrost relay and compressor relay settings

NETWORK, DISPLAY, AND COMMUNICATION PARAMETERS

LINK CONTROL AND NIGHT;DAY CONTROL

DISPLAY PARAMETERS

CONFIGURATION PARAMETERS

DIGITAL I;O AND BUTTON CONFIGURATIONS

PROBE PRESENCE AND PRESSURE SWITCH ERROR SETTINGS

COPY CARD OPERATIONS

Upload, Download, and Format procedures

LOCAL KEYBOARD PARAMETERS

Tab. 2 Local keyboard parameters table

DEFROST SCHEDULES AND TABLES

dd and Fd folders description

Daily and Festive defrost start time tables

NIGHT;DAY EVENT TABLES

Tab. 5 Event Table Overview

ALARM AND DUTY CYCLE DIAGRAMS

Max;Min. Alarm Diagram

Duty Cycle diagram

PROGRAMMING MENU DIAGRAM

WIRING DIAGRAMS

1 - KEYBOARD WIRING

2 - LINK WIRING

IWP 740 BASE BOARD WIRING

Eliwell IWP 740 Specifications

General

Brand	Eliwell
Model	IWP 740
Category	Controller
Language	English