5.5. REMOTE CONDENSING UNIT PLACING
According to the model of ice cream display cabinet you have No.1 or No.2 internal, or remote, condensing units.
The remote condensing unit has to be checked by specialised technicians and according to the required refrigerating power and their position
respect the cabinet. The condensing unit has to be placed following these points:
The condensing unit has to be located at least 250 mm from any eventual wall.
(pic.5.1)
Air flow direction has to be from the eventual wall towards compressor.
The local, in case will be closed, has to be with enough air circulation.
By the condenser has to be guaranteed in any case as much as possible cold air.
In case will be necessary it has to be foreseen a forced air exchange by any fan according to the
air flow of condenser.
The condensing units of display cabinets have to be fixed properly.
The generated noise has not exceed the admitted noise levels relevant to the public places,
especially in case of domestic buildings.
It is always necessary a sufficient place along the four sides of the display cabinet in order to make
easy any type of check and maintenance operations.
When the condensing units are external will be necessary a frame holder that has to be fixed in a
proper way and eventually added with amortising elements. Besides this frame has to be closet with
no-water protection grid and sufficient opening holes for ventilation.
5.6 PIPING CONNECTION BETWEEN DISPLAY CABINET AND REMOTE CONDENSING UNITS.
The liquid and suction piping exit from the base of the display cabine; the choice of piping diameter and insulation thickness has to be taken by
specialised technical personnel, who know specific parameters.
The choice of piping diameter and insulation thickness has to be taken by specialised technical personnel, who know specific parameters.
The piping length has to be as short as possible.
The piping arrangement has to be made on purpose by qualified personnel in order to guarantee the main functionalities as the right inclination,
to have some siphons on the base of suction piping on the way up, and eventually on the intermediate elevation.
WARNING!
A wrong connection may occur serious damages on the display cabinet, especially on the compressor. The display cabinet
manufacturer cannot be responsible of any damage, which can arise from a wrong connection made by third parties.
5.7 ELECTRICAL CONNECTION
Before proceeding with electrical connection, be sure that the available electric power and tension are what is required on technical label of the
cabinet.
The electric connection has to be made by qualified personnel and following manufacturer’s instructions taking into
consideration the relevant norms in force.
The display cabinet has already a general switch, however it is necessary an omni
polar switch, with a minimum distance among the contacts of 3mm.
It is obligatory that the display cabinet will be connected properly with an efficient
ground socket.
WARNING!
A wrong connection may occur always to persons, animals and things,
where the manufacturer cannot be considered as responsible.
WARNING!
The display cabinet has no main switch breaking both the phases.
Before any maintenance operation disconnect the electrical supply of the
display cabinet (see label on the rear of the display cabinet). (pic.5.2).
pic.5.1
pic.5.2
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