5
Centrifugal cooling air fans –
B KLG 500/1000
Installation and Operating Instructions
3 .3 Electrical connection
m
WARNING
Before any maintenance or installation work or before opening the terminal compartment, the unit must be
fully isolated from the power supply and secured against unintended restart!
– The electrical connection must be carried out only by a qualified electrician in accordance with the data in the termi-
nal box and enclosed wiring diagrams.
– The relevant standards, safety regulations (e.g. DIN VDE 0100) and the technical connection conditions of the local
electricity supply companies must be observed.
– Connection data must comply with the information on the motor rating plate.
– The introduction of the supply line must be carried out professionally! Never lay the lines over sharp corners.
– Only use cables which comply with the specified installation requirements regarding voltage, current,
insulation material, capacity, etc.
– Lay the cables so that they cannot come into contact with rotating parts.
– Connect protective conductor.
– Only use cables which are designed for the currents according to the type plate.
– Safety components must not be dismantled, bypassed or disabled.
– Further operations see the following section “Commissioning”.
3 .4 Wiring diagrams
Centrifugal cooling air fans
B KLG 1000
(three-phase current)
– Wiring diagram SS-1018
Centrifugal cooling air fans
B KLG 500
(alternating current with thermal contact)
– Wiring diagram SS-1019
D
EN
m
DANGER
85250 001 SS-1018 09.12.11
PE
U1 V1 W1
PE L1 L2 L3
2 3 4 5 6
gegn
sw
bl
br
7 8 9
ge
gn
ws
W2 U2 V2
Farbcode nach IEC 757
BK-sw-schwarz-black
BN-br-braun-brown
RD-rt- rot-red
OG-or-orange-orange
YE-ge-gelb-yellow
GN-gn-grün-green
BU-bl-blau-blue
VT-vi-violett-violett
GY-gr-grau-grey
WH-ws-weiß-white
PK-rs-rosa-pink
Fig .2
85252 001 SS-1019 12.12.11
Farbcode nach IEC 757
BK-sw-schwarz-black
BN-br-braun-brown
RD-rt- rot-red
OG-or-orange-orange
YE-ge-gelb-yellow
GN-gn-grün-green
BU-bl-blau-blue
VT-vi-violett-violett
GY-gr-grau-grey
WH-ws-weiß-white
PK-rs-rosa-pink
PE
U1 U2 Z
TK TK
PE
N
L
2 3 4 5 6
gegn
bl
sw
br
gr
gr
7 8 9
TK
TK
Fig .3
