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13.3.4
Electrical connection
Internal monitoring devices
Motor compartment
Terminal room/motor compartment
Motor winding
Motor bearings
Sealing chamber
Leakage chamber
Vibration sensor
External monitoring devices
Sealing chamber
13.3.4.1 Monitoring of motor compart-
ment
13.3.4.2 Monitoring of terminal room/mo-
tor compartment
64
Appendix
CSA-Ex approval according to zone (Motor T 24, T 30)
The pumps are suitable for operation in potentially explosive atmospheres:
▪ Device group: II
▪ Category: 2, zone 1 and zone 2
These pumps must not be used in zone 0!
DANGER
Electrocution hazard!
Improper conduct when carrying out electrical work causes death due to electric shock!
Electrical work must be carried out by a qualified electrician in accordance with the local
regulations.
▪ Always connect the pump to an electrical outlet outside the explosive area. If the connec-
tion must be made within the explosive area, then the connection must be carried out in an
Ex-rated housing (ignition protection class according to DIN EN 60079-0)! Non-observance
may lead to fatal injury due to explosion! Connection must always be carried out by a quali-
fied electrician.
▪ All monitoring devices outside the "spark-proof areas" must be connected via an intrinsi-
cally safe circuit (e.g. Ex-i relay XR-4...).
Motors T 12, T 13, T 17, T 17.2, T 20, T 20.1, T 24, T 30, T 34, T 42
▪ The voltage tolerance may not be higher than max. ±10 %.
Motors T 49, T 50.1, T 56, T 57, T 63.x, T 72
▪ The voltage tolerance may not be higher than max. ±5 %.
Overview of monitoring devices
•
−
−
−
−
•
•
•
•
−
o
o
−
−
−
−
−
•
−
−
−
o
o
o
• = standard-equipped, − = not available, o = optional
All monitoring devices fitted must be connected at all times!
The connection is made as described in the "Electrical connection" section.
The connection is made as described in the "Electrical connection" section.
−
−
−
•
•
•
•
•
•
o
o
o
−
−
•
−
−
•
o
o
o
o
o
o
−
•
•
o
•
•
o
o
WILO SE 2019-01
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