Hitecsa EQS 2335 Manual Del Usuario página 71

II.8.1.4 Commissioning
Ask all unauthorised personnel to leave the area
De–activate the magnet circuit breaker switches on the
compressor power supply
Simulate an empty start in order to ensure that the power
contactors have been inserted correctly
Are the power contactors inserted correctly?
Disconnect the power from the auxiliary supply again
Activate the magnet circuit breaker switches on the compressor
power supply
Power the auxiliary circuit
Start the machine using the control panel
(ON/OFF key).
Check the correct rotation of the pumps and fans, the flow rates
and the operation of the heat exchanger sensors.
Start-up procedure completed!
II.8.1.5 Checks to be made while the machine is running
Intervention test: use
the water gate valves to
reduce the flow to the
evaporator.
START
YES
START
Ask all unauthorised personnel to leave the area
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
approx. 8 bar, are there gas leaks of >3
grams/year?
NO
Does the unit display feature any alarms?
NO
Start-up procedure completed!
Check and replace the component if necessary
NO
All ON/OFF operations must be carried out
EXCLUSIVELY using the ON/OFF key on the control
panel.
Check and replace the component if necessary
NO
YES
YES
YES
73
EQS
Check and/or replace the
NO
component
Stop the unit and check the cause of
NO
this anomaly
Stop the unit and check the cause of
YES
the leak (according to EN 378-2).
Check the cause of the alarm.
YES
See alarm table