Product description
en
Installation and operating instructions Wilo-EMU TR 14-40
13
External monitoring of the sealing chamber
The sealing chamber can be equipped with an external pencil electrode. The electrode
registers fluid ingress through the mechanical seal on the fluid side. An alarm or deac-
tivation of the pump can therefore take place by pump control.
4.3
Operating modes
Operating mode S1: Continuous duty
The mixer can operate continuously at the rated load without exceeding the permiss-
ible temperature.
4.4
Operation with frequency con-
verter
Operation on the frequency converter is permitted. Refer to the appendix for the relev-
ant requirements!
4.5
Operation in an explosive atmo-
sphere
Approval accord-
ing to
TR 14...
TR 16...
TR 21...
TR 22...
TR 28...
TR 36...
TR 40...
ATEX
o
o
o
o
o
o
o
FM
o
o
o
o
o
o
o
CSA-Ex
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 of the corresponding approval
ƒ
Ex classification
For the relevant requirements, refer to the explosion protection chapter in the ap-
pendix 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, Di-
vision 2 is also permitted.
CSA Ex rating
The mixers are suitable for operation in potentially explosive atmospheres:
ƒ
Protection class: Explosion-proof
ƒ
Category: Class 1Division 1
4.6
Rating plate
The following is an overview of the abbreviations and associated data on the rating
plate:
Rating plate
designation
Value
P-Typ
Mixer type
M-Typ
Motor type
S/N
Serial number
Содержание EMU TR 14 Series
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