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Start - up

1.   Ambient temperature:

Design

max.

min.

4. Electrical connection

400V - 3 - 50 Hz

              

Standard version.         

20 °C

42 °C

+ 5 °C

Or according to order, type plate, wiring -

                                              

Tropical version:      

35 °C

45 °C

+ 5 °C

                

diagram

Water temperature             

Check voltage:

Standard version.         

15 °C

> 5 °C

Max. deviation is   +5% / -10%

Tropical version:      

25 °C

> 5 °C

Check phase sequence:

When the phases are not in the correct order, 

2. Installation place:

the direction of the auger is reversed. 

The distance between condenser (air outlet) and wall 

The ice then is pressed down onto the bearing

or ceiling respectively shall at least be 75 cm, 

instead upwards, damaging the seal.

see data sheet.

(Phase sequence relay: see page 3,  point 10)

Provide sufficient room ventilation.

Observe the arrow indicating the
direction of rotation

Prevent any heat build-up.
Especially the air outlet of the condenser must be free  

Provide at site:

and at least 1,5 to 2,5 times larger in diameter than the 

Provide main switch and fuses according to 

condenser itself.

wiring diagram. Make firm installation to mains
power supply, do not use a plug-and-socket
connection in order to avoid later erroneous

At higher air  temperatures  (above 20°C  resp.  35°C),  

interchange of phases.

or insufficient ventilation of the machine,

Tighten all electrical connections in the control

and at water temperatures   above 15°C  resp.  25°C

panel, as they may have loosened during.

the production capacity may decrease.

 transport

Crankcase heater:

3. Water connection

After connecting the machine to electricity
the start-up is possible only after abt. 1 hr.

The machine works with normal potable water.

(Preheating - see page 3 point 9) 

With harder water above 20° d.H.  install a water- 
softener.

5. Cut-Out of machine when storage bin

If the water is slightly saline, or comes from a well

or ice car is full:

or is outside 6,5 - 9,5 pH consult ZIEGRA 

See page 3 point 2 .

for accordingly advice.

and contact our service department

Provide at site:

Rigid piping or high-pressure hose.

6.   Start:

If long supply lines necessary,

Ice production starts after approx. 2 min.

insulate, if possible.

              

Water pressure 2 - 4 bar

7.  V-Belt:

Provide water overflow hose

Check after 2-8 days and tighten, if necessary.

8 Ice discharge

Fasten tube to the ice discharge slightly with the clamp. Put on the insulation.  

The ice must leave the outlet freely and without clogging.

Otherwise the freezing unit and gearbox will be overloaded.

                            

Extension of ice discharge tube.
Enlargen diameter, no sharp curbs. Only use tubes
with smooth inner surface, without edges or ridges.

Ice must slide downwards only,

not horizontically or upwards.

Further advice in the extra folder "Installation Ice discharge"

2

Summary of Contents for 1.750

Page 1: ...ce quality Miscellaneous 7 Cleaning of freezing unit 8 Wiring diagram attached Cooling circuit General installation advice Assembly Instruction Freezing Unit Spare parts list Subject to technical modifications 6 07 ZIEGRA EISMASCHINEN Germany 30901 Isernhagen www ziegra com Service Tel 49 511 90244 0 Tel 49 511 90244 14 Fax 90244 90 Fax 90244 92 ice ziegra com service ziegra com UBE ZBE SWE SI TW ...

Page 2: ...otating auger does not form part of the refrigeration circuit Therefore leakages in the refrigeration system caused by rotating parts cannot occur The ideal ice temperature is 0 5 C ZIEGRA Chip ice has the ideal temperature of 0 5 C It is irregular and crystalline in structure and always stays loose In contrast with other types of ice it can be stored without being sub cooled and never freezes up ...

Page 3: ...f the machine Tighten all electrical connections in the control and at water temperatures above 15 C resp 25 C panel as they may have loosened during the production capacity may decrease transport Crankcase heater 3 Water connection After connecting the machine to electricity the start up is possible only after abt 1 hr The machine works with normal potable water Preheating see page 3 point 9 With...

Page 4: ...is full This light barrier has been chosen by us for these 10 Phase sequence Relay particular conditions Please contact us The phase sequence relay switches off the machine if the phases are not connected in the c Other cut off devices correct order see electrical connection Also when the ice is produced directly in an ice car a cut off device should be installed 11 Low voltage relay Please contac...

Page 5: ... if necessary V belts check replace if necessary A loose V belt does not transfers the load correctly on the auger This will overload the freezing unit Ice hose and water retainer calcified clean or replace Gearbox ATM NRV 90 Lifetime lubrication with synthetic oil 1 Litre check oil level or Flender OT 80 Lifetime lubrication with synthetic oil 1 5 Litre detach drive shaft cover BP Energol SGXP 22...

Page 6: ...heck connection and fuses Fuses blow up Check Intermittent contact Check electrical connections also in control panel Water pressurestat or readjust or replace Water level control defective readjust or replace Ice jam switch has cut off eliminate cause reset switch manual reset of machine Light barrier does not work check see page 6 Voltage too low or too high Voltage as per type plate max 5 min 1...

Page 7: ... cooled machine insufficient water pressure increase water pressure to min 2 bar condenser soiled clean condenser with bottle brush hot water and antilime agent clean water filter water or condensing pressure check clean replace governor misadjusted soiled or defective Cut out by compressor compressor overheated depending on ambient temperature let machine cool for 3 hours compressor starts again ...

Page 8: ...just evaporation temperature as indicated Check thermal feeler pipe and contact at evaporator outlet insufficient amount of refrigerant remove leak evacuate circuit refill bubbles in sight glass with indicated quantity of refrigerant lime deposit on auger or cylinder clean freezing unit see page 8 machine has switched off also consider possible water shortage in between times or malfunction with a...

Page 9: ...g unit into a container o Connect a hose of appr 80 cm with funnel at the water inlet of the freezing unit o Mix cleaning agent with hot water For each freezing unit 1 2 bottle agent in 1 litre water of appr 50 C o Fill the freezing unit with cleaning agent up to the ice discharge level o Allow the cleaner to react for 10 15 minutes This is mostly sufficient A maximum of 30 minutes must not be exc...

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