Wilo -Flumen OPTI-TR 22 Instrucciones De Instalación Y Funcionamiento página 17
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5.4
Operation in an explosive atmos-
phere
Approval according to
ATEX
FM
CSA-Ex
5.5
Rating plate
Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 22, 28-1, 30-1, 40-1, Wilo-Flumen EXCEL-TRE 20, 30, 40
Product description
o
o
o
o
o
o
o
−
o
Legend
− = not available/possible, o = optional, • = standard
For use in explosive atmospheres, the mixer must be marked as follows on the rating plate:
ƒ
"Ex" symbol for the relevant approval
ƒ
Ex classification
For the relevant requirements, refer to the explosion protection chapter in the appendix
of these installation and operating instructions!
ATEX approval
The mixers are suitable for operation in potentially explosive atmospheres:
ƒ
Device group: II
ƒ
Category: 2, zone 1 and zone 2
Mixers must not be used in zone 0!
FM approval
The mixers are suitable for operation in potentially explosive atmospheres:
ƒ
Protection class: Explosionproof
ƒ
Category: Class I, Division 1
Notice: If the cabling is carried out according to Division 1, installation in Class I, Division
2 is also permitted.
The following is an overview of the abbreviations and associated data on the rating plate:
Rating plate
Value
designation
P-Typ
Mixer type
M-Typ
Type of motor
S/N
Serial number
MFY
Date of manufacture*
n
Speed
T
Max. fluid temperature
IP
Protection class
I
Rated current
N
I
Starting current
ST
I
Rated current at service factor
SF
P
Rated power
2
U
Rated voltage
f
Frequency
Cos φ
Motor efficiency
o
o
o
o
o
o
o
o
−
en-US
o
o
o
o
o
−
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