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FIOCCHETTI ULTRAFREEZER - Unit Transportation; Technical Specifications; Freezer Specifications; Controller Specifications

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Instructions, Maintenance and Service Manual ULTRAFREEZER Series
3
In case of power failure (no AC available) the controller switches to the back-up battery power.
During this mode, all relays will be off except for the CO
2
relay, which will be activated when the
temperature will be higher than the set temperature.
During battery backup mode, the 2 decimal points of the displays will flicker one time in four
seconds (because of power saving). The buzzer will sound one short time per minute. If a
button is pressed, the controller can be used normally. After approx. 30 seconds, the decimal
points in the displays will start flickering again.
2. TRANSPORT
The Fiocchetti ULTRAFREEZERS must be transported vertically (especially for the compressors
which need to be upright under all circumstances!).
This prevents that oil comes out of the carter (from the compressors and the oil separator),
which would affect the cooling system seriously. The compressors could be damaged too.
The wheels must be free from the ground (for example freezer mounted on a pallet), so that
the wheels do not break off during transport.
After transport, wait a while! The freezer may be switched on after 8 hours.
3. SPECIFICATIONS
3.1 Freezer
Material internal
Material external
Stainless Steel
Coated steel
Isolation
Polyurethane
Cooling
2 cascade connected compressors
Protection compressors
Thermal
Protection cooling system first stage
Pressostat (350 psi / diff 100 psi)
Protection cooling system second stage
Thermostat
Refrigerant first stage
R507
Refrigerant second stage
Mix of R508b and R170
Heating door
Door warmth cooling system
Controller
SL9002
Temperature sensor
PT1000
Temperature adjustments
-50°C till -86°C
Minimum temperature
-86°C
Time delay second stage
180 seconds
Locker
All models by using a key
Transit/vacuum release
Ø 26 mm / vacuum release situated in transit
(optional)
Requirements
220/240 VAC, 50 Hz, fuse 16 Amp. slow
Condenser
Air-cooled
Water-cooled (optional), see chapter 4

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