Tefcold BLC3 - Xb570 L Blast Chill&Freeezer Controller; 9 General Features; 10 Mounting & Installation; 11 Electrical Connections

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XB570L
BLAST CHILL&FREEEZER CONTROLLER
9. General Features
The series XB has been created for fast chilling or freezing goods according to international food safety
standards.
There are FOUR types of cycles:
The CYCLES: Cy1, Cy2, Cy3, Cy4 are pre-set according to the most common cycles used in food -
safety applications; the user can select one of them according to his own requirements and modify
it as he wants.
Any cycle can be manually terminated before the normal.
Any cycle can use the insert probe, it measures the internal temperature of the product.
During the Cycle there are no defrosts and the fans are always on, a defrost cycle can be done
before any freezing cycle.
The cycle is divided up to 3 phases completely configurable by the user.
Each instrument is provided with an output for remote display XR REP, which shows the
temperature of cabinets or goods.
The XB570L controller is provided with internal real time clock and can be connected to the
XB07PR printer. This means that a report, which includes all the main features of cycle, can be
printed: start and end of the cycle, length of the cycle, logging of the temperature of the cabinet and
goods.
10. Mounting & Installation
Model XB570L is a controller panel mounted, hole dims 150x31 mm, and fixed with the screws. The
ambient operating temperature range is 0÷60°C. Avoid locations subject to heavy vibration, corrosive
gases or excessive dirt. The same applies to the probes. Ensure ventilation around the instrument.
11. Electrical Connections
The instruments are provided with a screw terminal block to connect cables with a cross section up to
2,5mm² for probes and digital input.
Spade on 6,3mm heat-resistant wiring for supply and loads. Before connecting cables make sure the
power supply complies with the instrument’s requirements. Separate the input connection cables from the
power.
supply cables, from the outputs and the power connections. Do not exceed the maximum current
allowed on each relay, in case of heavier loads use a suitable external relay.