Inspecting The Electrical Installation - Nordmann AT4 D Series Mounting Instructions

5.6.3

Inspecting the electrical installation

Internal control voltage supply via option CVI
– Option CVI (mains supply with neutral lead):
For mains voltages of 400 V/3~/50...60 Hz, 400 V/2~/50...60 Hz and
230 V/3~/50...60 Hz. The option CVI is connected according to the fol­
lowing wiring diagram.
MODULE B
P N P1
AT4 D
ext.
Check the following points:
Do the supply voltages for heating and control comply with the relevant
voltages given in the wiring diagram?
Is the correct CF Card inserted?
Are the voltage supplies (heating and control voltage) correctly fused?
Are the service switches "Q.." installed in the supply lines for to the
heating and control voltage?
Are all components correctly connected according to the wiring dia­
gram?
Are all connecting cables fastened?
Are the connecting cables free of tension (passed through cable
glands?)
Does the electric installation meet the applicable local regulations for
electric installations?
Is the unit reassembled correctly and the front panel of the control
compartment fixed with the screw?
F1
6.3 AT
MAIN SUPPLY
PE L1 N SC1 SC2 PE PE
X2
L1 L2 L3
F7
XE1
L1 L1 L2 L3 N PE
6.3 AT
Q5
F5
L1 L2 L3 N PE
400 V/3~/50..60 Hz
230 V/3~/50..60 Hz
Q5
F5
L1 L2 N PE
400 V/2~/50..60 Hz
K1
45