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Example of commissioning
Below is an example of selection of the machine that can help to explain calibration:
The aim here is to install a primary air ventilation system with very high thermal recovery per-
formance in an average-sized store.
The ventilation unit is to be inserted in a 4-pipe central air conditioning system provided by the
owner and used for water terminals.
The store is located in a climate area characterised by cold winter temperatures (climate area
E, design temperature -8°C).
Primary air is to be used as the energy carrier for summer air conditioning.
The design data for selection of the machine are summarised below:
On the basis of the calculated flow rate, the Energy Plus model is selected as the most suita-
ble, together with all the necessary accessories.
Supply configuration selected:
Useful surface area:
Crowding index:
Circulation flow pro capite:
Total circulation flow:
• Model = ENY-P3
• Antifreeze resistance = EXTERNAL
• Cooling water coil = EXTERNAL
0
500
After selecting the most appropriate model in the Energy Plus range, it is possible to iden-
tify the parameters for correct calibration of the machine and, therefore, the characteristic
performance parameters.
The control voltage at which to control the EC fan motors depends on:
200
0,25
25
1250
1000
1500
Project flow rate
1250 m
/h
3
m
2
pers/ m
2
m
/h pers
3
m
/h
3
ENY−P3
ENY−PE
2000
2500
167
English
3000
3500
Air flow m
/h
3
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