OPERATING AND MAINTENANCE MANUAL
Chapter 9 - Operation and maintenance
iC 215 ÷ iC 780
61
The data in this manual are not binding and they can be modified by the manufacturer without notice.
Reproduction of this manual is strictly prohibited
EN
ENGLISH
9 . 5
M a i n t e n a n c e S c h e d u l e
(*) For this purpose use specific test meters.
ATTENTION
The above maintenance schedule is based on average operating conditions.
In some installations it may be necessary to increase the frequency of maintenance.
OPERATION
1
day
1
month
6
months
1
year
Check control panel display for any alarm signals.
¡
Check that the water outlet temperature is within the prescribed interval.
¡
Check that water inlet temperature is in compliance with the value utilised for selection of
the unit.
(*)
¡
In units complete with a hydraulic unit, check that the pressure in the tank (with pump
stopped) is approximately 0.5 bar.
¡
In units equipped with a hydraulic unit check that the difference between the pump outlet
pressure and suction pressure (measured on the pressure gauge with pump stopped) is within
the prescribed range and not lower than the pump maximum flow rate value.
¡
Clean the water filter.
The water filter should be cleaned one week after the first start-up of the unit.
¡
Check that the liquid sight glass is always full or shows a minimum passage of bubbles when
the compressor is running.
¡
Check that the unit’s current absorption is within the data plate values.
(*)
¡
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.
¡
Check the condition and safety of piping connections.
¡
Check the condition and safety of wiring and electrical connections.
¡
Check that ambient air temperature is commensurate with the value utilised when selecting
the dryer. Check that the area in which the unit is installed is well-ventilated.
¡
Make sure that the fan starts automatically.
Thoroughly clean the fins of the condenser with soft brush and/or jet of clean compressed
air.
Check that the grilles of the dryer are free from dirt and any other obstructions.
¡
Clean condenser fins with a mild detergent.
¡