Rehsler Kuhlsysteme TAE K15, Руководство по эксплуатации и техническому обслуживанию, Страница: 25 / 69

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OPERATING AND MAINTENANCE MANUAL
Chapter 9 - Operation and maintenance
TAE K15÷K20
The data in this manual are not binding and may be changed by the manufacturer without notice. Reproduction of this manual, even partial, is strictly prohibited.
9 . 4 M a i n t e n a n c e s c h e d u l e
ATTENTION
- This plan is based on an average working situation.
- In some installations it may be necessary to increase the frequency of maintenance.
OPERATION
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Check for any alarm signals.
x
Check that the water outlet temperature is within the envisaged range.
x
Check that the water inlet temperature is in accordance with the value used for selecting the unit.
x
In units with hydraulic group, check that the pressure in the tank (with pump stopped, if present) is at least
0.5 bar with the circuit closed.
x
In units with hydraulic group, check that the difference between the discharge and the suction pressure of
the pump (measured on the manometer with the pump stopped) is within expected limits and, in particular,
that it is not lower than the value corresponding to the maximum flow capacity.
x
Clean the water filter.
We recommend to clean the filter after a week from the unit starting.
x
Check that the liquid indicator (if present) is full or with a small stream of bubbles when the compressor is
running.
x
Check that the unit current absorption is within the values on the data plate.
x
Carry out visual inspection of refrigerant circuit, looking out for any deterioration of the piping or any traces
of oil which might indicate a refrigerant leak.
x
Check the condition and security of piping connections.
x
Check the condition and security of electrical connections.
x
Using a spanner, check that the connections between the compressor inlet and outlet piping have not
slackened.
x
Check that the ambient air temperature is within the unit capacities.
Check that the environment is well ventilated.
x
Check that fan is automatically switched on .
Thoroughly clean the fins of the condenser with soft brush and/or jet of clean compressed air.
Check that the grilles of the unit are free from dirt and any other obstructions.
x
Clean condenser fins with a mild detergent.
x