Centrifugal Fans direct driven with scroll - Nicotra Gebhardt
Centrifugal Fans direct driven with scroll - Nicotra Gebhardt Centrifugal Fans direct driven with scroll - Nicotra Gebhardt
RZA 11-0225 Direct driven centrifugal fans / RZA / Technical Data Technical Data Nomi- Nominal Max. Media Speed Nominal Mains nalfre- Nominal Max. power motor Max. output operating Nominal Max. fan Temperature control voltage frequency quency motor power consumption current current (FC) frequency motor speed speed max. Weight RZA 11- V Hz kW kW A A Hz 1/min 1/min °C kg 0225-4D (3) 400 87 0.60 0.87 1.6 110 3000 40 17 Technical Data Nomi- Nominal Max. Media Speed Nominal Mains nalfre- Nominal Max. power motor Max. output operating Nominal Max. fan Temperature control voltage frequency quency motor power consumption current current (FC) frequency motor speed speed max. Weight RZA 11- V Hz kW kW A A Hz 1/min 1/min °C kg 0225-4D-50 * 400 50 0.12 0.55 110 1460 3000 40 17 0225-4D-60 * 460 60 0.17 0.52 110 1740 3000 40 17 Frequency Inverter Parameters Calculations formula The following curves show the fans operating with frequency control: The nominal frequency of the inverter is 87Hz, i.e. the input frequency 400V is increased to 87Hz. The performance curves plot speed/frequency against volume and pressure, and the total efficiency (h inverter x h motor x h impeller) is expressed as a parabola. The set up parameters for each inverter are provided in the accompanying literature. PS = psF × qV / hfaS LWokt7 = LWA6/7 + LWrel7 LWokt6 = LWA6/7 + LWrel6 (3) = Stepless speed controllable via frequency converter * = No speed control available Dimensions in mm, subject to change. ZKF 15-1717 ZKE 15-1717 399 ZSG 03-0225 191 212 26 288 468 194 100 30 130 176 26 220 270 LG 0 LG 90 LG 180 LG 270 RD 0 RD 90 RD 180 RD 270 26 255 447 10.5 Accessories Isolator (metal casing) Frequency Inverter Unit MM420 for 3~ Line Choke for 3~ Anti Vibration Rubber Buffers RZA 11- 0225-4D RZA 11- ESH 22-0075-32 MM420 3AC 400V 0.75KW EMV B 6SE6400-3CC00-4AD3 ZBD 01-0506-A 0225-4D-50 ESH 22-0075-32 - - ZBD 01-0506-A 0225-4D-60 ESH 22-0075-32 - - ZBD 01-0506-A 176 322 348 244 10 2 x 100 286 322 348 173
RZA 11-0250 Technical Data Density of media 1.15 kg/m³ p sF 174 Pa 2000 1500 1200 1000 800 600 500 400 300 200 150 120 100 80 60 50 40 600 800 qV q V P S 2.0 0.2 0.3 1000 0.4 0.5 1200 0.6 kW 42 % 1.0 46 0.8 68 1500 71 Direct driven centrifugal fans / RZA / Technical Data Tolerance class 2 according to DIN 24166 Measured in installation A according to ISO 5801 (unducted) saS (N max) 2000 3000 4000 5000 m³/h 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Determination of the Octave level Inlet side Relative sound power level LWrel7 octave band correction factors fm Discharge side Duty point 63 125 250 500 1000 2000 4000 8000 Hz Duty point 1.4 qVopt -9 -8 -4 -3 -4 -7 -12 -17 dB 1.4 qVopt 1.4 qVopt -11 -12 -6 -4 -4 -6 -12 -21 dB 1.4 qVopt 74 48 77 46 80 L WA6;7 83 40 86 30 89 dB 20 m³/s 3010 1/min 110 Hz 2600 2300 2000 1700 1500 N 90 79 69 59 52 f Relative sound power level LWrel6 octave band correction factors fm 63 125 250 500 1000 2000 4000 8000 Hz -10 -8 -5 -1 -5 -9 -16 -26 dB -12 -12 -8 -1 -5 -8 -15 -27 dB
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RZA 11-0225<br />
Direct <strong>driven</strong> centrifugal fans / RZA / Technical Data<br />
Technical Data<br />
Nomi-<br />
Nominal<br />
Max.<br />
Media<br />
Speed Nominal Mains nalfre- Nominal Max. power motor Max. output operating Nominal Max. fan Temperature<br />
control voltage frequency quency motor power consumption current current (FC) frequency motor speed speed max. Weight<br />
RZA 11- V Hz kW kW A A Hz 1/min 1/min °C kg<br />
0225-4D (3) 400 87 0.60 0.87 1.6 110 3000 40 17<br />
Technical Data<br />
Nomi-<br />
Nominal<br />
Max.<br />
Media<br />
Speed Nominal Mains nalfre- Nominal Max. power motor Max. output operating Nominal Max. fan Temperature<br />
control voltage frequency quency motor power consumption current current (FC) frequency motor speed speed max. Weight<br />
RZA 11- V Hz kW kW A A Hz 1/min 1/min °C kg<br />
0225-4D-50 * 400 50 0.12 0.55 110 1460 3000 40 17<br />
0225-4D-60 * 460 60 0.17 0.52 110 1740 3000 40 17<br />
Frequency Inverter Parameters<br />
Calculations formula<br />
The following curves show the fans operating <strong>with</strong> frequency control: The nominal frequency<br />
of the inverter is 87Hz, i.e. the input frequency 400V is increased to 87Hz. The<br />
performance curves plot speed/frequency against volume and pressure, and the total<br />
efficiency (h inverter x h motor x h impeller) is expressed as a parabola.<br />
The set up parameters for each inverter are provided in the accompanying literature.<br />
PS = psF × qV / hfaS LWokt7 = LWA6/7 + LWrel7 LWokt6 = LWA6/7 + LWrel6 (3) = Stepless speed controllable via frequency converter<br />
* = No speed control available<br />
Dimensions in mm, subject to change.<br />
ZKF 15-1717 ZKE 15-1717 399<br />
ZSG 03-0225<br />
191<br />
212<br />
26<br />
288<br />
468<br />
194 100<br />
30 130<br />
176<br />
26<br />
220<br />
270<br />
LG 0 LG 90 LG 180 LG 270 RD 0 RD 90 RD 180 RD 270<br />
26<br />
255<br />
447<br />
10.5<br />
Accessories<br />
Isolator (metal casing)<br />
Frequency Inverter Unit MM420<br />
for 3~ Line Choke for 3~ Anti Vibration Rubber Buffers<br />
RZA 11-<br />
0225-4D<br />
RZA 11-<br />
ESH 22-0075-32 MM420 3AC 400V 0.75KW EMV B 6SE6400-3CC00-4AD3 ZBD 01-0506-A<br />
0225-4D-50 ESH 22-0075-32 - - ZBD 01-0506-A<br />
0225-4D-60 ESH 22-0075-32 - - ZBD 01-0506-A<br />
176<br />
322<br />
348<br />
244<br />
10<br />
2 x 100<br />
286<br />
322<br />
348<br />
173