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Resumen del manual
2. INSTALLATION 2.1 Data plate information • Check that the data specified on the plate correspond to the characteristics of the power supply (V, kW, Hz, no. phases and power available). • The dataplate with appliance specifications is located at the rear exterior of the machine and/or on the electrical boards (fig. 3). The setup of individual units and the installation of condensers are subject to the fire-safety regulations of the country in which the machine is installed; seek all necessary advice from the local fire- fighting authorities. Bear in mind that the intervention of safety valves or plug fuses in the refrigerating circuit will lead to the immediate discharge of refrigerant into the environment. 2.2 Positioning • The machine must be installed in complete compliance with safety regulations, procedures and standing laws. • Position the machine in the allocated site. • Adjust the machine feet by turning the foot clockwise until the appliance is perfectly level. In the case of particularly heavy equipment, use appropriate lifting means. (fig. 4). • If the appliance is not perfectly level, correct operation and condensate flow-off will not be assured. AVOID • direct exposure to sunlight; • closed sites with high temperatures and poor air circulation; • installing the machine near sources of heat Installation Clearance Requirements All Cabinets: 12” clearance above top 12” clearance on sides and rear Remote condensing units for T20, T24 and T40 models. 24” clearance above top 6” clearance on sides and rear 2.3 Ambient temperature and air circulation For air-cooled appliances, the maximum ambient temperature for operation is 90°F / 32°C. Correct operation cannot be guaranteed at higher temperatures. The machine may operate safely to a maximum temperature of 100°F / 38°C. Remote condensing units may be installed indoors next to the unit or within 25 ft. Consult Delfield if placementwill be greater than 25 ft. away. Remote condensing units may also be installed outdoors but require a U.L. listed enclosure which is supplied as an option from Delfield. Sufficient air circulation must be guaranteed at all times. 2.4 Electrical connections A dedicated thermal-magnetic circuit breaker compliant with established regulations must be installed on the appliance power line. • Connected electrical cables must correspond to the technical data (as specified on electrical drawings provided by the installation technician). Connect the earthing conductor to an efficient earthing system. THE MANUFACTURER DECLINES ALL LIABILITY AND GUARANTEE OBLIGATIONS IN THE EVENT OF INJURY TO PERSONS OR DAMAGE TO EQUIPMENT AND OBJECTS DUE TO INCORRECT INSTALLATION AND/OR FAILURE TO COMPLY WITH STANDING INSTALLATION REGULATIONS. 2.6 Condensate drainage connection For models T20C-T24C-T40 fit a condensate water drainage hose with a minimum diameter of 1” . Provide a waste pipe with a trap with a diameter of at least 1 1/2” at floor level. 2.7 Information for the installation technician Before starting up the machine, check that it has been correctly installed. 1. Check that there are no gas leaks from weldings or joints made during installation works. 2. Check that the pipes connecting the condenser to the remote condensing unit have been well insulated. 3. Check all wiring connections. 4. Check electrical input. 5. Check the standard pressure in the refrigerant system. 6. Perform at least one blast freezing cycle (to the SET temperature) and one manual defrosting cycle. In the event that the appliance or the remote condensing unit have not been transported in a vertical position (e.g. on the back) or have been overturned during installation works, allow at least 4 hours before starting up the equipment. 2.8 Safety and control systems • Door microswitch: shuts down fan operation in the cell when the door is opened. • General fuses: protect the power circuit against short circuiting and overloads. • Compressor heat relay: intervenes in the event of overloads or operating faults. • Safety pressure switch: intervenes in the event of excessive pressure in the refrigerant circuit. • Plug fuses: intervene in the event of verpressure or operating fault in the safety pressure switch (see above). • Chamber temperature control: operated by the electronic board by means of a probe inside the cell. • Temperature control end defrost cycle: controlled by the electronic board by means of the probe in the evaporator. 2.9 Appliance disposal After the useful life of the applicance has been realized, be sure to demolish and dispose of the machine in compliance with the regulations applied in the country of installation, particularly in regards to refrigerant gas and compressor lubricant oil. 3.1 Shut-down procedures In the event of emergency, shut down the appliance by switching off power at the main panel, by means of a breaker or power disconnect or by removing the plug from the power socket. 3.2 Operating tips Before starting up the appliance, clean th...
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