5 Commissioning
5.1
Establishing a mains connection
Personnel:
n
Operating personnel
WARNING!
Contact with voltage conductors due to faulty mains cable
Electric shock
The mains cable may not come into contact with hot heat
transfer liquid and other hot parts, neither during operation
nor after the device is switched off.
NOTICE!
Use of impermissible mains voltage or mains frequency
Device damage
Compare the rating label with the available mains voltage
and mains frequency.
Please note:
n
Only connect the devices with a mains cable to a socket with a protec-
tive ground (PE) and only use the installed mains cable for the power
supply.
n
The mains switch disconnects the device from the power unit. The mains
switch must be easy to identify and access.
Note for electric installation on site
n
We recommend LAUDA that a back-up fuse is installed on the installa-
tion side for three-phase devices: 25 A class cc low peak
The note only applies to devices in the USA
and Canada
V4
Integral process thermostats with flow control unit
55 / 171
