12 Care and maintenance
Regular care and observation of some basic points
will ensure trouble-free operation and a long
service life.
DANGER!
Prior to performing any work, ensure the equip-
ment is disconnected from the voltage supply
and secured to prevent accidental switch-on!
Care
n Ensure the unit is protected against dirt, mould
and other deposits.
n Only clean the unit using a damp cloth. Do not
use any caustic, abrasive or solvent-based
cleaning products. Do not use a jet of water.
n Clean the fins on the unit prior to long shut-
down periods.
Maintenance
n It is recommended that you take out a mainte-
nance contract with an annual service from an
appropriate specialist firm.
This enables you to ensure the operational reli-
ability of the plant at all times!
NOTICE!
Statutory regulations require an annual leak
test for the cooling cycle dependant on the
refrigerant quantity. Inspection and documenta-
tion of the work performed is to be carried out
by specialist technicians.
Type of task
Checks/maintenance/inspection
Commis-
sioning
Monthly Every 6
months
Yearly
General
l
l
Check voltage and current
l
l
Check function of compressor/fans
l
l
Dirt on condenser/evaporator
l l
Check refrigerant fill quantity
l
l
Check condensate drainage
l
l
Check insulation
l
l
Check moving parts
l
l
Sealing test for cooling cycle
l
l
1)
1)
See note
53
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