Operating instructions

4 Before commissioning
4.1 EMC classification
Approval of the devices according to EMC classification
Countries EMC class
Europe Class B
This classification has been
made according to the EMC
standard DIN EN 61326-1 (cor-
responds to VDE 0843-20-1).
USA Class A
This classification has been
made according to the FCC
(Federal Communications
Commission) regulations, Sec-
tion 15.
Canada Class A
This classification has been
made according to the
ICES-003 (Interference
Causing Equipment Standards)
and NMB-003 regulations.
EMC classification of the devices:
 Class A: Operation only on mains power supplies without con-
nected residential areas.
 Class B: Operation on mains power supplies with connected
residential areas.
In the case of unfavourable mains conditions, disruptive voltage
fluctuations can occur.
"This equipment has been tested and found to comply with the
limits for Class A digital device, pursuant to Part 15 of the FCC
(Federal Communication Commission) Rules. These limits are
designed to provide reasonable protection against harmful interfer-
ence when the equipment is operated in a commercial environ-
ment. This equipment generates, uses, and can radiate radio fre-
quency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area
is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense".
Instructions for devices, Europe
Instructions for Class A digital
device, USA
Before commissioning
Variocool 23