manualshive.com logo in svg

FIOCCHETTI ULTRAFREEZER, Use And Maintenance

Share
Download
FIOCCHETTI ULTRAFREEZER Use And Maintenance Download Page 16

Instructions, Maintenance and Service Manual ULTRAFREEZER Series 

 

 

 

 

 

  15 

 

10.

 

TROUBLE SHOOTING 

 

10.1

 

TROUBLE SHOOTING AIRCOOLED CONDENSER 

 

 

Doesn't reach set

 

temperature.

 

Check settings of

 

the temperature-

 

controller.

 

Listen to strange

 

sounds.

 

Check operation

 

of the compressor

 

of the 1st stage,

 

fan & compressor

 

2nd stage.

 

Check and measure:

 

 

Leakage 1st stage,

 

 

Refrigerant 2nd stage,

 

 

Choked up 2nd stage by moisture or oil.

 

Cold

 

-85

 

-75

 

Control

 

-80

 

-70

 

Back up

 

-60

 

-50

 

Warm

 

-70

 

-60

 

Change settings.

 

Wrong

 

Allright

 

None

 

Total failure of

 

display.

 

Check power

 

supply.

 

Wrong

 

Wrong

 

Check fuse.

 

Check both compressors

 

& rimheating for circuiting

 

with regard to earth.

 

None

 

Short-circuit

 

Trace & correct.

 

Indeed

 

Voltage on

 

temperature

 

controller.

 

Replace

 

temperature

 

controller or

 

internal fuse.

 

Indeed

 

Indeed

 

Check and measure (1st stage):

 

 

Supply voltage,

 

 

Relay 1st stage,

 

 

“Cool”-relay at temperature controller,

 

 

Pressostate,

 

 

Startrelay,

 

 

Startcapacitor,

 

 

Runcapacitor,

 

 

Clixon (overheat protection),

 

 

Defective compressor.

 

 

Ambient temperature too high,

 

 

Condenser dirty,

 

 

Pressostate 1st stage defect.

 

 

Check voltage at fan outlet,

 

 

Check fan.

 

Compressor 1st stage commutes

 

(on-off-on-off), compressor

 

2nd stage off & fan operates.

 

Compressor 1st stage commutes

 

(on-off-on-off), compressor

 

2nd stage off & fan doesn't operate.

 

Check and measure (2nd stage):

 

 

Supply voltage,

 

 

Startpressure controller settings too high,

 

 

Pressostate (settings),

 

 

Thermostat (settings),

 

 

Startrelay,

 

 

Startcapacitor,

 

 

Runcapacitor,

 

 

Clixon (overheat protection),

 

 

Check leakage of refrigerant 1st stage.

 

Check and measure (2nd stage):

 

 

Relay 2nd stage,

 

 

Timerelay (time delay),

 

 

Pressostate (settings),

 

 

Thermostat (settings),

 

(thermostat not activated, check leakage of

 

refrigerant 1st stage)

 

 

Startrelay,

 

 

Startcapacitor,

 

 

Runcapacitor,

 

 

Clixon (overheat protection),

 

 

Defective compressor.

 

Compressor 2nd stage doesn’t

 

operate, compressor 1st stage &

 

fan are operating

 

Compressor 1st stage ,fan &

 

compressor 2nd stage  are operating

 

Compressor 1st stage + compressor

 

2nd stage don't operate,

 

fan does operate.

 

Compressor 2nd stage commutes

 

(on-off-on-off), compressor 1st stage

 

& fan are operating.

 

Summary of Contents for ULTRAFREEZER

Page 1: ......

Page 2: ...__ 9 7 3 Reading the setpoint _______________________________________________________________ 9 7 4 Reading the battery capacity_________________________________________________________ 9 7 5 Changing the setpoint _____________________________________________________________ 10 7 6 Changing the alarm _______________________________________________________________ 10 7 7 Alarm test function________...

Page 3: ...backup cooling system The controller has an alarm system which will be activated when the set minimum or maximum alarm temperature will be exceeded or when a sensor is defective Through the built in buzzer the alarm leds and errors on the front and the potential free alarm contact will activate In case of exceeding the maximum CO2 alarm temperature the CO2 backup cooling will switch on This is a p...

Page 4: ... 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 Pol...

Page 5: ...ing temperature 20 C 50 C Storage temperature 20 C 60 C Operating humidity 10 90 RH not condensing Accuracy 0 5 of the range Status leds COOL relay cooling on BACKUP CO2 backup cooling on PRG PRG active CODE CODE active Alarm leds LOW BATT battery empty TEMP HIGH warm temperature alarm TEMP LOW cold temperature alarm Buttons POWER ON OFF on off button value increasing button value decreasing butto...

Page 6: ...size 280 140 mm Range 100 25 C Sensors TEMP 1 Control sensor PT1000 2 sensor DIN IEC751 TEMP 2 condenser sensor PT1000 2 sensor DIN IEC751 Digital inputs DOOR door contact entry potential free entry contact Communication USB connection Ethernet RJ connection Relays RY1 Alarm potential free contact RY2 Backup cooling CO2 RY3 Cooling RY4 Fan RY5 Battery monitoring RY6 Temperature alarm relay telepho...

Page 7: ...stem Pressure pressostat 2 Water in outlet 1 Cool technical diagram freezer with water cooled condenser Example back of upright freezer water cooled condenser CO2 emergency cooling system optional Fixation points spacers Water pressure valve 5 5 5 valvedruk ventiel 5 Water valve 3 Condenser 6 Inlet 4 Outlet 1 Inlet 4 Uitlet 1 ...

Page 8: ...a pressure pressostat 2 So when water does not have enough pressure the cooling won t be activated and the temperature inside of the freezer will increase Schematic drawing 5 INSTALLATION INSTRUCTIONS Check that the equipment has been transported in an upright position and has not any physical damage Make sure that the main voltage is as specified in the documentation or as mentioned into the iden...

Page 9: ...ttery may be out of power So loading the battery can take some time The RJ connection at the back of the freezer can be used to connect the freezer to a local network Ethernet Water cooled condenser see chapter 4 Connect the water supply tube to the water connection 4 Take care that there is sufficient water pressure available 4 bar and that the quality of water is as clean as possible it should n...

Page 10: ...as described here above Before doing any of the below operations make sure to have entered the password 7 2 Switching ON OFF Plug in the ultrafreezer The ULTRAFREEZER is switched on by pressing the POWER ON OFF button if the access code is correct led above code button is switched on Once switched on the freezer the controller will display the temperature detected by the temperature sensor and the...

Page 11: ...ressed the display will show P37 When the SETP is pressed the display will show the adjusted value of the alarm temperature relay or telephone selector This can be changed by pressing the SETP and or at the same time Release the buttons when the correct value is reached The display returns to its normal status when the PRG button is pressed or when during 30 seconds no button is used When again th...

Page 12: ...lue is reached The display returns to its normal status when the PRG button is pressed or when during 30 seconds no button is used 7 7 Alarm test function Enter the password standard factory setting 1234 After activation press simultaneously BATT MUTE and All leds buzzer and potential free contact will be activated The display returns to its normal status when the buttons are released and when dur...

Page 13: ...paired as soon as possible 7 11 Storage of the log on a USB stick To download the log files on the USB pen put the USB pen with sufficient free space into the USB connection at the front of the freezer behind the condenser plate which can be removed very easily Enter the password and press on the button after having entered the password When the text L USb appears on the screen the Setp button nee...

Page 14: ...EZER Series 13 Click on the Fiocchetti logo left above and CHOOSE LANGUAGE Select the language you wish Press button load and below dialog screen appears to select the map with the log data Press OK and the data will be read in and appears in the program ...

Page 15: ...binet defective Connections E2 Condenser sensor defective Connections E3 Battery not connected Connections fuses battery E4 Main voltage absent Absence voltage fuse internal E5 Battery voltage too low Battery E6 Door alarm Closure of the door E10 Main voltage deviates too much Parameter P72 P73 Lo1 Temperature line sensor inside too low See chapter 10 Hi1 Temperature line sensor inside too high Se...

Page 16: ...lixon overheat protection Defective compressor Ambient temperature too high Condenser dirty Pressostate 1st stage defect Check voltage at fan outlet Check fan Compressor 1st stage commutes on off on off compressor 2nd stage off fan operates Compressor 1st stage commutes on off on off compressor 2nd stage off fan doesn t operate Check and measure 2nd stage Supply voltage Startpressure controller se...

Page 17: ...TRA TROUBLE SHOOTING WATERCOOLED CONDENSER Compressor 1ste stage commutes on off on off compressor 2e stage off ventilator functions Magnet switch for water is defect Constipation warmth exchanger Water temperature too high Water pressure too low Absence of water circulation ...

Page 18: ...Instructions Maintenance and Service Manual ULTRAFREEZER Series 17 ...

Page 19: ...Instructions Maintenance and Service Manual ULTRAFREEZER Series 18 ...

Page 20: ...Instructions Maintenance and Service Manual ULTRAFREEZER Series 19 ...

Reviews:

No comments

Brands by name

Popular brands

Load more brands