GPE Vendors DRX-Frozen, Technical Handbook, Page: 55 / 108

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TECHNIC
AL HANDBOOK
It is however possible to manually activate following this
procedure:
• Press down the UP button for 5 seconds
• the compressor stops and the led under the Defrost symbol
starts to fl ash indicating that the Defrost procedure is being
carried out
• the procedure terminates automatically
CONTROL OF THE INTERNAL TEMPERATURE AND DEFAULT
PARAMETERS
The internal temperature is continuously controlled so that sales
of products can be blocked in the event of exceeding –5°C for at
least 4 hours consecutively.
If this block is activated it can be deactivated manually in the
Master machine entering in ‘SERVICE’ and pressing key 3 for
more than fi ve seconds.
To optimize the functioning of the DRX-FROZEN some default
parameters of the thermostat have been modifi ed in the following
way:
• parameter dSt (defrost stop temperature) with value +15°C
• parameter FSt (fan stop temperature) with value –3°C
• parameter dt (drainage time) with value 5 min
LOADING OF THE PRODUCTS
To load the products in the machine, open the internal door and
extract completely the tray in question using the front handle.
During the loading of products phase the inferior opening of the
tray remains closed to avoid the loss of the “cold air”. During
this operation it is normal that on the cold surfaces a humidity
condensation is formed. The frosting of the glass is only temporary
and after approx. ten minutes disappears completely.
PROCEDURE FOR CONNECTING FROZEN
TO THE DRX MACHINES
DRX-FROZEN SLAVE can be connected to any GPE machine of
the DRX series with RVM72A logic board and blue display using
the connection kit composed as follows:
• Board FL1426 with plastic fi xing pins
• 2 x 14 way Flat cables
• NTC probe launch cable
CABLING PROCEDURE FOR CONNECTION:
• Remove the back grill of the DRX and fi x the FL1426 platelet in
the pre-disposed holes on the grill with the plastic fi xing pins
• Insert the 26 way fl at cable from the FROZEN SLAVE in the CN4
of the FL1426 platelet just installed.
• Insert the 2 x 14 way fl at cables in the CN1 and CN2 of the FL1426
platelet and the other heads of the 2 fl at cables respectively in the
CN16 and CN15 connectors of the RVM72A logic board of the DRX.
• Insert the NTC probe launch cable in the 2,54 step white CN5
connector of the FL1426 platelet and the other end with the 2
masculine pins in the CN14 of the RVM72A logic board of the DRX
in position 15 for the Brown wire and 12 for the Blue wire.
• Close the back grill of the DRX.
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