Osaka OF 33 Z Operating Instructions Manual

OF 33 Z / OF 33 AZ
MICROPROCESSOR-BASED
DIGITAL ELECTRONIC FREEZER
CONTROLLER

OPERATING INSTRUCTIONS

FOREWORD
This manual contains the information necessary for the product
to be installed correctly and also instructions for its
maintenance and use; we therefore recommend that the utmost
attention is paid to the following instructions.
Though this manual has been issued with the greatest care,
OSAKA will not take any responsibility deriving from its use.
The same applies to each person or Company involved in the
issuing of this manual.
This document is the exclusive property of OSAKA which
forbids any reproduction and divulgation , even in part, of the
document, unless expressly authorized.
OSAKA reserves the right to make any formal or functional
changes at any moment and without any notice.
INDEX
1 INSTRUMENT DESCRIPTION
1.1 GENERAL DESCRIPTION
1.2 FRONT PANEL DESCRIPTION
2 PROGRAMMING
2.1 PROGRAMMING OF SET POINT
2.2 PARAMETERS PROGRAMMING
2.3 PARAMETER
PASSWORD
2.4 PARAMETERS PROGRAMMING LEVEL
2.5 ACTIVE SET POINT SELECTION
2.6 ON / STAND-BY FUNCTION
2.7 CLOCK PROGRAMMING
3 INFORMATION ON INSTALLATION AND USE
3.1 PERMITTED USE
3.2 MECHANICAL MOUNTING
3.3 ELECTRICAL CONNECTIONS
3.4 ELECTRICAL WIRING DIAGRAM
4 FUNCTIONS
4.1 MEASURING AND VISUALIZATION
4.2 OUTPUTS CONFIGURATION
4.3 TEMPERATURE CONTROL
4.4 CONTINUOUS CYCLE FUNCTION
4.5 COMPRESSOR PROTECTION FUNCTION AND AND
DELAY AT POWER-ON
PROTECTION USING
OSAKA - OF 33 AZ - OPERATING INSTRUCTIONS - Vr. 01 - PAG. 1
4.6 DEFROST CONTROL
4.7 MANUAL DEFROST
4.8 EVAPORATOR FANS CONTROL
4.9 ALARM FUNCTIONS
4.9.1 TEMPERATURE ALARMS
4.9.2 EXTERNAL ALARM
4.9.3 OPEN DOOR ALARM
4.9.4 ALARM MEMORY
4.10 DIGITAL INPUT
4.11 AUXILIARY OUTPUT
FUNCTION OF KEYS "F" AND "DOWN/AUX"
4.12
4.13 KEY USB + OSAKA SETUP: KEY PROGRAMMING
5 PROGRAMMABLE PARAMETERS TABLE
6 PROBLEMS , MAINTENANCE AND GUARANTEE
6.1 SIGNALLING
6.2 CLEANING
6.3 GUARANTEE AND REPAIRS
7 TECHNICAL DATA
7.1 ELECTRICAL DATA
7.2 MECHANICAL DATA
7.3 MECHANICAL DIMENSIONS, PANEL CUT-OUT AND
MOUNTING
7.4 FUNCTIONAL DATA
1 - INSTRUMENT DESCRIPTION
1.1 - GENERAL DESCRIPTION
The model OF 33 AZ is a digital controller with microprocessor
that is typically used in cooling applications that have
temperature control with ON/OFF regulation and defrosting
control with set time and hours intervals (Real Time Clock
Defrosting) by means of electrical heating or hot gas/cycle
inversion.
The instrument has 3 relay outputs, two inputs for PTC or NTC
temperature probes and a digital input, that can all be
configured.
The 3 outputs can be used for controlling the compressor or the
temperature control device (OUT), the defrosting device (DEF),
the evaporation fan (FAN) or, alternatively any of the previous
functions, using an auxiliary device (AUX) or an alarm (AL).
The two inputs for the PTC and NTC temperature probes
(which can be selected by parameter) can be used to measure
the cell temperature (Pr1) and the evaporator temperature (Pr2)
while the digital input (DIG) can be programmed to carry out
various functions such as defrosting commands, selecting a
different set of temperature regulations, external alarm signals,
activating a continuous cycle, and activating an auxiliary output
etc.
The instrument is equipped with 4 programme keys, a 4-digit
display and 9 LED signals, in addition to an internal buzzer that
is the sound system for alarms.
Other important
programme
password, switching on and off (stand-by) of the instrument
using the front keys or the digital input,
parameters via the COPY KEY device, memorising of two sets
THE
of temperature regulations that can be switched and the
possibility of power supply in the range 100 ... 240 VAC.
1.2 - FRONT PANEL DESCRIPTION
characteristics of
parameters protection
the instrument are:
using personalised
configuration of