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Idiomas disponibles
Idiomas disponibles
Is the circuit breaker positioned upstream from the unit of
the right size?
ᐁ YES
The water connections are compliant!
Commissioning
START
Switch off the thermal magnetic circuit breaker of the fixed
compressor. Disable the fixed compressor via software (see
"Manual operation" in the Electronic Controls manual).
ᐁ
Select the functioning mode (see Electronic Controls man-
ual)
ᐁ
Start the machine from the control panel(see Electronic
Controls manual)
ᐁ YES
Has the inverter compressor started correctly?
ᐁ YES
Wait for the thermoregulation to require activation of the
fixed compressor
ᐁ
Does the fixed compressor power contactor fit correctly?
ᐁ YES
Start up the machine from the control panel (ON/OFF key).
ᐁ
Switch off the machine via the control panel (see Electronic
Controls manual).
ᐁ
Activate the fixed thermal magnetic circuit breaker again.
Enable the fixed compressor via software (see "Manual op-
eration" in the Electronic Controls manual)
ᐁ
Start the machine from the control panel(see Electronic
Controls manual)
ᐁ
Check the correct rotation of the pumps and fans, the water
flow rates, the operation of the probes and the machine
pressure transducers.
Start-up procedure completed!
Checks to be made while the machine is running
Intervention test: use the water
gate valves to reduce the flow
to the evaporator.
IOM_EQRU-SS_EQRHU-SS_2160a4350_208676_230601_ES-EN-FR-DE-IT
96
ᐅ
ᐅ
ᐅ
ᐅ
START
Ask all unauthorised personnel to leave the area
ᐅ
Is the water differential pressure switch activated correctly?
Is the working pressure reading correct?
If you take the pressure on the high pressure side to ap-
prox. 8 bar, are there gas leaks of >3 grams/year?
Does the unit display feature any alarms?
Start-up procedure completed!
ᐅ
NO
Danger! Replace the component immediately!
All mode change operations must be carried out EXCLU-
SIVELY via software using the control panel.
All ON / OFF operations must be carried out EXCLUSIVELY
via software through the control panel
Stop the unit and check the cause of this anomaly. Contact an
NO
ᐅ
authorized HITECSA Service Center
ᐅ
Check and replace the component if necessary. Contact an
NO
authorized HITECSA Service Center
All ON/OFF operations must be carried out EXCLUSIVELY
using the ON/OFF key on the control panel.
All ON / OFF operations must be carried out EXCLUSIVELY
via software through the control panel
All ON / OFF operations must be carried out EXCLU-
SIVELY via software through the control panel
Check and replace the component if necessary. Contact an
ᐅ
NO
authorized HITECSA Service Center
ᐁ
ᐁ YES
ᐁ YES
ᐁ NO
ᐁ NO
EQRU-EQRUSS
EQRHU-EQRHUSS
Check and/or replace the
ᐅ
ᐅ
NO
component
Stop the unit and check the
ᐅ
ᐅ
NO
cause of this anomaly
Stop the unit and check the
ᐅ
ᐅ
cause of the leak (according
YES
to EN 378-2).
Check the cause of the
ᐅ
ᐅ
YES
alarm. See alarm table.
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