Ascon tecnologic TLZ 12 P Operating Instructions Manual

TLZ 12 P
MICROPROCESSOR-BASED
DIGITAL ELECTRONIC FREEZER
CONTROLLER
OPERATING INSTRUCTIONS
Vr. 02 (ENG) - cod.: ISTR-MTLZ12PENG02
ASCON TECNOLOGIC S.r.l.
VIA INDIPENDENZA 56
27029 VIGEVANO (PV) ITALY
TEL.: +39 0381 69871
FAX: +39 0381 698730
www.ascontecnologic.com
info@ascontecnologic.com
FOREWORD
This manual
necessary for the product to be installed
correctly
maintenance
recommend that the utmost attention is paid to
the following instructions and to save it.
This document is the
TECNOLOGIC Srl which forbids any reproduction and
divulgation , even in part, of the document, unless expressly
authorized.
ASCON TECNOLOGIC Srl reserves the right to make any
formal or functional changes at any moment and without any
notice.
Whenever a failure or a malfunction of the device may cause
dangerous situations for persons, thing or animals, please
remember that the plant has to be equipped with additional
devices which will guarantee safety.
ASCON TECNOLOGIC Srl and its legal representatives do not
assume any responsibility for any damage to people, things or
animals deriving from violation, wrong or improper use or in
any case not in compliance with the instrument's features.
ASCON TECNOLOGIC - TLZ 12 P - OPERATING INSTRUCTIONS - Vr.02 - ISTR-MTLZ12PENG02- PAG. 1
contains the information
and also instructions
and use; we
exclusive property of
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 PROTECTION USING THE PASSWORD
2.4 PARAMETERS PROGRAMMING LEVEL
2.5 ON / STAND-BY FUNCTION
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 TEMPERATURE CONTROL
4.3 COMPRESSOR PROTECTION FUNCTION AND DELAY
AT POWER-ON
4.4 DEFROST CONTROL
4.5 MANUAL DEFROST
4.6 ALARM FUNCTIONS
4.6.1 TEMPERATURE ALARMS
4.6.2 EXTERNAL ALARM
4.7 DIGITAL INPUT
4.8 FUNCTION OF KEY "U"
4.9 PARAMETERS CONFIGURATION BY A01
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
7.5 INSTRUMENT ORDERING CODE
1 - INSTRUMENT DESCRIPTION
1.1 - GENERAL DESCRIPTION
The model TLZ 12 P 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
by means of stopping compressor.
The instrument has up to 2 relay outputs, one input for Pt1000 or
NTC (PT-24C2 up to 300° C) temperature probes and a digital input,
that can be configured.
for its
The 2 outputs can be used for controlling the compressor or the
therefore
temperature control device (OUT) and an alarm (AL).
The instrument is equipped with 4 programme keys, a 4-digit
display and 3 LED signals, in addition to an internal buzzer that is
ASCON
the sound system for alarms.
Other important characteristics of the instrument are: programme
parameters protection using personalised password, switching on
and off (stand-by) of the instrument using the "U" front key,
configuration of parameters via the A01 device and the possibility
of power supply in the range 100 ... 240 VAC.
1.2 - FRONT PANEL DESCRIPTION
7
6
8
TLZ 12
Out Def AL
4
3
2
1
5