OSAKA - USER MANUAL - B4U - v2 - PAG. 1
B4U
Display + Power Unit
INTUITIVE CONTROL PANEL
FOR REFRIGERATION
USER MANUAL - v1
This manual contains the information necessary
for the correct installation and instruction for
use and maintenance of the product, it is
recommended that you read it carefully and
keep it.
This publication is the exclusive property of OSAKA
SOLUTIONS, which prohibits reproduction and disclosure, even
partial, unless expressly authorized.
OSAKA SOLUTIONS reserves the right to make aesthetic and
functional changes at any time and without prior notice.
In order to avoid that an irregular operation of the B4U or
malfunction can create dangerous situations or damage to
people or things or animals, it is recalled that the installation
must comply with and take into account the attached security
systems, necessary to guarantee said security.
OSAKA SOLUTIONS and its legal representatives do not
assume any responsibility for damages to people, things or
animals derived from improper handling, improper use,
incorrect use or, in any case, non-compliance with the
characteristics of the B4U.
INDEX
DESCRIPTION DISPLAY B4U + POWER UNIT B4U
QUICK CONFIGURATION OF THE SET POINT
“NORMAL”
STANDARD PARAMETER PROGRAMMING
PARAMETER PROTECTION THROUGH PASSWORD.
PARAMETER PROGRAMMING LEVELS
RESET THE FACTORY SETTINGS OF THE
PARAMETERS
VISUALIZATION OF THE VARIABLES
“NORMAL”, “ECONOMIC” AND “TURBO” OPERATING
MODES
PROBE INPUTS AND DISPLAY CONFIGURATION
DIGITAL INPUTS CONFIGURATION
CONFIGURATION OF THE OUTPUTS AND BUZZER
COMPRESSOR PROTECTION AND START DELAY
FUNCTION
INTERVAL AND DURATION OF DEFROST IN CASE OF
EVAPORATOR PROBE ERROR
KEYBOARD OPERATION “ON / OFF” AND “LIGHT”
PARAMETER CONFIGURATION BY “KEY USB” ”
RS485 COMMUNICATION WITH “KEY TTL”
PROGRAMMABLE PARAMETERS TABLE
PROBLEMS, MAINTENANCE AND WARRANTY
1.1 - GENERAL DESCRIPTION
The B4U model is an intuitive control panel that combines the Display
B4U (Display) plus the Power Unit B4U (power unit). It has a digital
microprocessor that can be used for temperature control in
refrigeration applications. It is prepared for the ON / OFF control and
defrost control, at intervals of time, to reach the temperature or for
the continuous operation of the compressor through the compressor
stop, electrical resistance or gas inversion / hot cycle.
The B4U has special functions to optimize defrost and functions that
can be used to achieve energy savings in the system.
The B4U has up to 4 relay outputs and 5 configurable inputs, of which
3 are for NTC temperature probes and 2 are digital for voltage-free
contacts.
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