Enerblue PURPLE, User And Maintenance Manual, Page: 28 / 40

USER and
MAINTENANCE
MANUAL
28
Routine maintenance of the unit is essential to the life of the machine.
A lack of maintenance can cause malfunctioning and/or damage to the
unit. If the certified routine maintenance is not carried out, the warranty
is immediately rendered null and void.
13.2 OVERVIEW
OPERATION
RECOMMENDED
FREQUENCY
Check functioning of all control and safety appliances as described previously� Monthly
Check the tightness of the electric terminals both in the power panel and in
the compressors’ terminal boards� The mobile and fixed contacts of the remote
controls must be cleaned periodically and must be replaced whenever they
show signs of deterioration�
Monthly
Control the refrigerant load via the liquid indicator Monthly
Verify that there are no oil leaks from the compressor Monthly
Check that there are no water or water and glycol mixture leaks in the hydraulic
circuit�
Monthly
If the unit is to remain out or service for a long period, drain the water from the
pipes and the heat exchanger� This operation is necessary whenever ambient
temperatures are lower than the freezing point of the fluid used throughout
the standstill period
Seasonal
Verify the filling of the water circuit Monthly
Verify the operation of the flow meter Monthly
Check the heater of the compressor guard Monthly
Clean the metal filters in the hydraulic pipes Monthly
Clean the finned battery and the metal filters, if present, using compressed air
in the opposite direction to the passage of air� If it is clogged, use a jet of water
taking care not to bend or damage the fins of the coil�
Monthly
Verify the state, fastening and balance of the fans 4 months
Check the humidity indicator on the liquid indicator (green = dry, yellow =
humid)� If the
indicator is not green, as indicated on the indicator label, replace the filter�
4 months
lubricant replacement after approx� 100 working hours from the initial
compressor start to remove impurities remained in the system and collected in
the crankcase from refrigerant and lubricant flow�
lubricant charge replacement each 10000 working hours to grant the original
viscosity characteristics�
It is good practice to carry out periodic inspections to verify the proper operation of the unit:
WARNING
The refrigerant R290 (Propane) is flammable
and it must be handled only by competent and
responsible operators, under the conditions
specified in the safety regulations in force.