REMKO PWW 6000 - Manual (Page 12)

12
SW 2 - 380 DI switching unit
Rotary current 400 volt, fan 2-speed
maximum electrical capacity 4 kW
Wall-mounted, motor protected by integrated thermal
contacts in the fan motor.
Design
Plastic housing, protection type IP 41,
Protective insulation in accordance with VDE, front
plate with symbols for switching positions, power input
and protective conductor terminals, main contactor,
control switch with the functions "Off / Speed 1 / Speed
2", control fuse, operating light (goes out when there is
a fan malfunction and/or power interruption to the
switching unit), reset button, terminals for the motor
output, connection terminals for the thermal contacts
and room thermostat.
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!
Thermal protection
for 2 units
Thermal protection
for 3 units
Thermal protection
for 4 units
Additional thermal contacts
connected in a row
Luster
terminal
Thermal contact Power connection
Room ther-
mostat
or
bridge
Fan motor
Switching and wiring diagram
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.
Important information about safe operation
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 respon-
sible EVU.
The electrical unit connections must be performed by
authorised personnel in the line with the valid require-
ments in compliance with local laws and in accordance
with the wiring diagrams.
S1 Fan reset button K2A Auxiliary relay F1 Control fuse
S2 Control switch K1M Contactor to fan motor H1 Operating light
Star Delta Switch