ULT Energy-saving Series
After-sales Service Manual
7
Initial letters from "Di Wen" means low
temperature
II. Product promotion points and selling points
2.1 Temperature control:
Computer controlled, digital display of temperature with adjustment unit of 1 °C, and the applicable temperature
range is -40°C~- 86°C;
2.2 Safety control:
2.2.1 Multiple fault alarms (high and low temperature alarm, sensor alarm, dirty condenser alarm, excessive ambient
temperature alarm, low battery power alarm, power failure alarm, door opening alarm);
2.2.2 Two alarm modes (buzzer alarm, flashing light alarm), and startup delay protection (startup delay time can be
set in accordance with user requirements);
2.2.3 Safe grounding of all individual components;
2.3 Refrigerating system:
2.3.1 With optimized cascade hydrocarbon refrigeration technology and imported brand compressor, it has
strong refrigeration capacity, and the refrigerant is environment-friendly and fluorine-free, which has no
emission to environmental pollution;
2.3.2 Combination freezer design of high density insulation layer and VIP special insulation material has good
insulation effect;
2.3.3 Independent multi-layer sealing structure and heat insulation system design can effectively eliminate frosting;
2.3.4 The specially designed computer controlled low temperature can avoid the cascade system's general wrong
control to the compressor of the low temperature stage system;
2.4 Humanization design:
2.4.1 LED display screen, which can display the freezer temperature, setting temperature, ambient temperature and
input voltage, set high and low temperature alarm and freezer temperature, and has fault prompt and early warning
function;
2.4.2 Adjustable shelf design for easy access to items;
2.4.3 Safety door lock design with two locks (a padlock and a built-in lock with key) to prevent opening at
will;
2.4.4 Innovative integrated handle design and compact caster enable the freezer to be more flexible and convenient;
2.4.5 It has network alarm and remote alarm functions, which are advanced and practical;
2.4.6 The unique 5 V power supply module solves the user's trouble of connecting a power supply separately
and directly outputs 5 V power from the whole machine;
2.5 VIP
PU foam layer + VIP vacuum insulation material is used to minimize the floor area of the equipment at the same
