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Sw 2 380 di switching unit – REMKO PWW 5000 User Manual

Page 10

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10

Design

◊ Rotary current 400 Volt, fan 2-speed, maximum

electrical capacity 4 kW

◊ On-plaster mount
◊ Full motor protection through integrated connections

for thermal contacts

◊ Plastic housing, protection type IP 65, protective in-

sulation in accordance with VDE

◊ Front plate with symbols for switching positions
◊ Power input and protective conductor terminals,

main contactor

◊ Control fuse, control switch with the functions “Off/

Speed 1/Speed 2”

◊ Operating light (goes out when there is a fan mal-

function and/or power interruption to the switching
unit)

◊ Reset button, motor output terminals, connection ter-

minals for thermal contacts and room thermostat.

Wiring diagram

Thermal protection for

2 units

Thermal protection for

3 units

Thermal protection for

4 units

Connect additional

thermal

contacts in a row

Luster–
terminal

Thermal contact

Power switch

Room thermostat

or bridge

Fan motor

Group switching

The switching unit is suitable for group switching. Sev-
eral motors wired the same way can be connected to
one switching unit.
The total capacity of the connected motors may not ex-
ceed the permissible switch capacity of the switching
unit. The thermal contacts of all motors are to be con-
nected in a row.
See figure below.

SW 2 380 DI switching unit

Legend

Grounding and earthing or protective wiring and
fuse protection must be done

by the customer in

accordance with the requirements of the VDE as
well as the responsible EVU.

*

Switching on again after a problem

◊ Each time the power supply is interrupted or the fan

malfunctions, the fan reset button has to be pressed
once.

We reserve the right to make changes to dimensions and design in the interest of technical progress.

S1

Fan reset button

K2A Auxiliary

relay

F1 Control

fuse

S2 Control

switch

K1M Contactor to fan motor

H1 Operating

light

Star Delta Switch