TF7038GB_A_NOT
REGULAR MAINTENANCE
Disconnect the unit from the electrical power supply prior to undertaking any cleaning work. Before
starting work, make sure that there is no live voltage. Periodic maintenance is essential to keep the unit
fully functional, both from a functional and energy point of view. It is therefore essential to provide
annual
checks
for:
Test object
Target state
Measure for
deviation from
target
Remarks
Heating water circuit
Water circuit
Filled
Filling the water circuit
Air-free
Ventilate
Water filter
Residue-free
Cleaning the water
filter
Thermal insulation of
water pipes
available, not
damaged
Replacement
Brine circuit
Glycol concentration
35% (if not specified
otherwise)
Adjustment
Evaporator
Constant water flow rate
Cleaning the water
filter
Flow monitor
Electrical contact
connected during
operation
Clean the water
filter, check proper
operation of the
pump, shut-offs in
the pipeline network
must
be open
Electric
Fuses
Work correctly
Replacement
Supply voltage
According to technical
data
Adjustment
Power consumption
According to technical
data
Investigate causes,
inform
customer
service
Connections
Seated firmly
Check for damage
and remedy it, fasten
the connections
Refrigerant circuit
Compressor
Condition unremarkable
Inform customer
service
Operating pressure
According to technical
data
Inform customer
service
Circuit
1
Tight, leak-free
Inform customer
service, remedy
leak,
refill
Max./min. pressure
switch
Work correctly
Replacement
Filter dryer
Work correctly
Replacement
Refrigerant sight glass
Filling quantity ok and
dry (visual inspection)
Refill
Sum of components
Screws, compressors,
switch boxes,
housing, etc.
Seated firmly
Mounting (no noise
development)
Overall appearance
No rust spots, etc.
Treat affected
surfaces with
suitable paints
A
l
eak test is not mandatory according to EU regulation 517/201.
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