Airwell Airflow 2020, Installation And Operating Manual

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24
START-UP SEQUENCE
Machine start-up operations.
For details refer to the various chapters in the manual.
7 - START-UP
√ Start-up sequence
1 Powered unit
2
Unit ON
3
Verify that the inlets/outlets in the room and any dampers in the conduits are open
4
Check the airflow (anemometer) by taking a reading directly on the external inlets and outlets
5
Impossible to access the external inlets/outlets, check the airflows in the room using the following formula:
Airflow m
3
/h = Area (m
2
) x Speed (m/s) x 3600 seconds
6
Set the unit to winter mode ventilation only
7
Start the unit: when it reaches full power, with the compressor on verify that the evaporation pressure (status
51) exceeds 7 bar (values 200-600) and 1.8 bar (values 70-120), and that the temperature difference between
the external air (status 4) and the supply air (status 50) is at least 10°C in summer mode and at least 15°C in
winter mode.
8 Fans operation check
9
With the compressor on, verify that the unit's power supply voltage falls between 207-253 V
10 Fan configuration (size 200-650)
11
No anomalous vibrations check
12 Instruct the operator on how to switch the device on/off, change the set-point and clean the filter
13
Available machine documentation