Edition: 11/2007
Technical Instructions
Commissioning and Maintenance Guide
TAM 00 526
Page 8 / 18
2.4 Necessary Cooling Air Volume and Pressure for fGN Motors
Size Air Volume m
3
/s Pressure Head Pa
100 0.08 420
112 0.10 380
132 0.22 800
160 0.32 1200
180 0.40 1200
200 0.50 1400
225 0.65 1350
250 0.85 2200
280 0.95 2300
These values apply to the direction of air flow from the B side to the A side. In the opposite direction,
approximately 10% higher air volumes are needed.
2.5 Fan Assignment for Series Motors
Motor Type Force Ventilation Rated Current
Size 400V/50Hz
A
GNA 100 BFB 398 0.33
AGN 100 BFB 398 0.33
GNA 112 BFB 398 0.33
AGN 112 BFB 398 0.33
GNA 132 BFB 635 1.4
AGN 132 BFB 635 1.4
GNA 160 BFB 752 3.8
AGN 160 BFB 752 3.8
GNA 180 BFB 752 3.8
AGN 180 BFB 752 3.8
GNA 200 BFB 880 8.1
AGN 200 BFB 880 8.1
GNA 225 BFB 880 8.1
AGN 225 BFB 880 8.1
GNA 250 FB D09 11.2
AGN 250 FB D09 11.2
GNA 280 FB D09 11.2
AGN 280 FB D09 11.2
Up to fan type BFB 880, separately driven fan motors are rated as standard
for ∆/Y 200–265/345–460 V, 50/60 Hz.
In the case of FB D09 separately driven fans, Y 345 - 460 V, 50 Hz is intended as the supply voltage.
For this reason, you must always observe the information on the fan motor's rating plate.
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