Service and maintenance of refrigeration equipment is a set of actions and operations in support of high-quality, reliable and durable operation of all systems and mechanisms of the installation, which in turn affects the safety of the goods stored in refrigerating chambers, refrigerating furniture . As practice shows the damage to the goods exceeds the cost of repair of the equipment, and sometimes exceeds the cost of the equipment, so the timely and proper servicing of refrigeration is the key to successful sales.