Wilo -Flumen OPTI-TR 22 Instrucciones De Instalación Y Funcionamiento página 30

en-US
Approval according to
FM
CSA-Ex
7.5 Before switching on
7.6 Switching on and off
30
Commissioning
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.
Check the following prior to activation:
ƒ
Has the electrical connection been implemented in accordance with regulations?
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Is the connection cable routed correctly?
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Can the float switch move freely?
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Accessories attached correctly?
ƒ
Has the temperature of the fluid been observed?
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Has the immersion depth been observed?
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Intermittent operation: Is the max. switching frequency complied with?
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Has the minimum water level above propeller been defined and monitored?
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Min. fluid temperature can drop below 3 °C: Monitoring device with automatic deactiva-
tion installed?
ƒ
No installations within the direct rotary range of the propeller?
The mixer must switch on and off using a separate operating point (on/off switch,
switchgear) set by the customer.
ƒ
When the mixer starts, the rated current is exceeded for a short time.
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Current consumption continues to be slightly above the rated current during the start-up
phase, until the flow in the basin increases.
ƒ
During operation, do not exceed the rated current any more.
CAUTION! Material damage! If the mixer does not start up, switch it off immediately.
Motor failure! Remove the fault first before reactivation.
o o o
o o −
o o
o −
WILO SE 2021-10