Notes - Atmos Variotherm plus Operating Instructions Manual

11.0 Notes on EMC
Immunity Test
Voltage Dips / Dropout
IEC 61000-4-11
NOTE U is the mains alternating current prior to application of the test levels.
T
11.3 Guidelines and Manufacturer's Declaration ‒ Immunity
The Variotherm plus is designed for operation in the electromagnetic environment specified below. The customer or user of the
Variotherm plus should ensure that it is used in such an environment.
Immunity Test
Conducted distur-
bances
acc. to IEC 61000-
4-6
Radiated
HF disturbances
acc. to IEC 61000-
4-3
24
IEC 60601 Test Level
< 5 % U
T
(> 95 % Dip of the U )
T
for 0.5 Cycle
40 % U
T
(60 % Dip of the U )
T
For 5 cycles
70 % U
T
(30 % Dip of the U )
T
For 25 cycles
< 5 % U
T
(> 95 % Dip of the U )
T
for 5 s
IEC 60601 Test
Compliance Level
Level
3 V
eff 3 V
150 kHz to 80 MHz
3 V/m 3 V/m
80 MHz to 2.5 GHz
Compliance Level
< 5 % U
T
(> 95 % Dip of the U )
T
for 0.5 Cycle
40 % U
T
(60 % Dip of the U )
T
For 5 cycles
70 % U
T
(30 % Dip of the U )
T
For 25 cycles
< 5 % U
T
(> 95 % Dip of the U )
T
for 5 s
Electromagnetic Environment ‒ Guidance
Portable and mobile radio equipment should be
used no closer to the Variotherm plus, including
cables, than the recommended distance calculated
according to that which applies to the transmission
frequency.
Recommended distances:
d = (3.5 / V1) * √(P)
d = (3.5 / E1) * √(P) 80-800 MHz
d = (7 / E1) * √(P) 0.8-2.5 GHz
where „P" is the max. power in watts (W) and d is the
recommended separation distance in meters (m).
Field strengths from fixed transmitters, as deter-
mined by an electromagnetic site (a) survey, should
be less than the compliance level (b).
Interference may occur in the vicinity of equipment
containing following symbol:
Electromagnetic Environment ‒
Guidance
Mains power quality should be that of a
typical commercial or hospital environment.
If the user of the Variotherm plus requires
continued operation upon the occurrence of
disruptions in the energy supply, the Vario-
therm plus should make use of an uninter-
ruptible power supply or a battery.