10 Operating Instructions
Refi lling of fl uid
Automatic refi ll (option)
Automatic water feed guarantees constant level in the tank, ensure that the evaporator always remains submerged.
Float valve function has to be tested regularly.
Manual refi ll
Ensure that the evaporator is always submerged.
Water supply
Larger volumes of fresh water supply may disturb the equilibrium of mixture or reduce concentration of antifreezing
agent. The content of concentration should be checked and determined at required intervals of time.
Standstill for prolonged period
Longer standstill of chiller requires draining of tank and complete water circuit. For renewed start-up of the chiller
the same steps as for the initial start-up must be considered.
Cleaning of condenser (air-cooled chillers)
Make sure that the cooling fi ns of the condenser remain clean in order to guarantee the required heat exchange.
The condensor must be cleaned in monthly intervals or if required at shorter time intervals.
Dust and dirt clogging up the cooling fi ns should be removed by means of compressed air.
4 CARE AND MAINTENANCE
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