Electrical Connection; Technical Data - Helios SU-3 10 Operating Instructions Manual

Operating Instructions
m
ATTENTION
NOTE!
Three-Step Switch SU/SA

2.2 Electrical connection

Before any maintenance or installation work or before opening the terminal compart-
ment, the device must be fully isolated from the power supply. The electrical connec-
tion must be carried out only by a qualified electrician in accordance with the follo-
wing wiring diagram.
The relevant safety regulations, standards (VDE 0100 and VDE 0700 as well as the technical
connection conditions of the local electricity supply companies and accident prevention regu-
lations) must be observed. The Installation and Operating Instructions for the fan must also
be observed.

2.3 Technical data

2.3 Basic circuit diagram
Three-step
speed switching
Depending on the fan type to be connected, multiple fans may be connected to a three-
step switch in para llel.
SU-3 10
For flush mounting, installation in deep FM box (D 65 mm)
Power supply Input
Internal consumption
Control output
Protection category
Protection class
Dimensions mm
Wiring diagram
Ref. no.
SA-3 10
For surface mounting
Power supply Input
Internal consumption
Control output
Protection category
Protection class
Dimensions mm
Wiring diagram
Ref. no.
4
10 V DC Ri=12.5 kOhm
(safety extra-low voltage)
1.5 mA
0 to 10 V DC
optional via switch
or external switching
IP30 (installed)
III
W 80 x H 80 x D 15 protr.
SS-1022
4266
10 V DC Ri=12.5 kOhm
(safety extra-low voltage)
1.5 mA
0 to 10 V DC
optional via switch
or external switching
IP30 (installed)
III
W 80 x H 80 x D 60
SS-1022
4267
EC
fan
EN
Fig.2