Working method The ZIEGRA chip-ice machine is delivered ready for operation and has only to be connected to power and water supply. No operating personnel is required. The machine works fully automatically. Water flows by gravity from the water chamber in the ice- machine into the freezing cylinder.
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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.
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Control Elements and Safety Devices Operation Only by of ice machine operating switch 1. When switching off the machine by the operating 6. Safety Device for the Compressor: switch, the drive motor of the freezing unit continues A built-in or external motor protection guards the to run for further 3 minutes.
Compressor oil level in sight glass check refrigerant oil (consult ZIEGRA) refill, 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.
Trouble shooting Repairs of electrical parts and refrigeraion circuit only by qualified technician Malfunction Cause Remedial Action Water - Leakage Hose connections loose fasten, insert new seals or replace Water runs into machine or defective or onto floor Water leaks from freezing cylinder Water seals or lower bearing replace in cylinder defective...
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Trouble shooting Repairs of electrical parts and refrigeraion circuit only by qualified technician Malfunction Cause Remedial Action Highpressure switch Air in refrigeration circuit evacuate circuit, refill refrigerant has switched off (insufficiently evacuated after repair) o Control lamp shows red Refrigeration circuit overfilled adjust air-cooled machine: machine must not be placed in the sun or...
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/ replace Ice jam in ice outlet Defective light barrier check (see page 6) or ice hose consult ZIEGRA Decrease of ice production * Condenser soiled or clean with brush or compressed air, never poor ice quality insufficientcooling water flow with a wire brush.
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Remove tenacious deposits on the auger with steel wool. However, these deposits often are of calcareous nature, which can be removed with an antilime agent, e.g. ZIEGRA cleaning agent: o Switch the ice machine off, close the water tap and wait 1-2 hours until the ice in the freezing unit has totally melted.
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