Roof Fans – with direct drive

egister cut guide
266
Dachventilatoren
Beschreibung
Typenschlüssel-Beispiel
Die Typenbezeichnung jedes Ventilators ist folgendermaßen
aufgebaut. Beispiel:
RDM 31-3540-4D-10-..
Sonder:
- FU = Frequenzumrichter
integriert (RDM / RFM)
- 15 = Werkstoffkennzahl
(KDM: PVC und PP-GF)
- 25 = Werkstoffkennzahl
(KDM: PPs und PP-GF)
- 3G = Gerätekategorie „3“
Fördermedium „G“
Kennziffer für Motorbaugröße
Motor:
- D = Drehstrom
- A = Drehstrom
(spannungsregelbar)
- E = Einphasen-Wechselstrom
- EC = EC-Motor
mit Kommutiereinheit
- X = ATEX Ausführung
Polzahl:
- 2 = 2-polig
- 4 = 4-polig
- 6 = 6-polig
- 8 = 8-polig
- M = 4/4-polig
- N = 6/6-polig
- I = 4/6-polig
- G = 4/8-polig
- K = 6/8-polig
- H = 6/12-polig
Laufraddurchmesser
(nominal 400mm)
Anschlussdurchmesser
(nominal 355mm)
Ausführung
- 1 = Standard
- 2 = Schallgedämpft
Laufradgeometrie
(Typenreihe 30)
Antriebsart
- A = Außenläufer-Motor
- M = Norm-Motor
Roof extract fans
Description
Example of type code
The type code of every fan is composed as follows:
Example:
RDM 31-3540-4D-10-..
Special:
- FU = Frequency inverter
integrated (RDM / RFM)
- 15 = Material code
(KDM: PVC and PP-GF)
- 25 = Material code
(KDM: PPs and PP-GF)
- 3G = Fan category “3“
Medium “G“
Index for motor size
Motor:
- D = 3-phase current
- A = 3-phase current
(voltage adjustable)
- E = single phase current
- EC = EC-motor
with Commutation unit
- X = ATEX version
N° of poles:
- 2 = 2-poles
- 4 = 4-poles
- 6 = 6-poles
- 8 = 8-poles
- M = 4/4-poles
- N = 6/6-poles
- I = 4/6-poles
- G = 4/8-poles
- K = 6/8-poles
- H = 6/12-poles
Impeller diameter
(nominal 400mm)
Connecting diameter
(nominal 355mm)
Specification
- 1 = Standard
- 2 = Noise attenuated
Impeller geometry
(Type 30)
Drive type
- A = External rotor motor
- M = IEC standard motor