Betriebsanleitung / operating manual
Minithermostat IRM2Ex
Seite /page 10 von/of
11
04/2014
6. Instructions for installation and operation
The connection of the supply cable must be made in terminal boxes that correspond to a
standardized type of protection according to DIN EN 60079-0.
The connection area must be accomplished in accordance with DIN EN 60079-0,
paragraph 14.2, 14.4.
In Ex e terminal boxes protection class of at least IP 54 must be ensured.
The Mini-Thermostat must be fused with a 16A circuit breaker C-characteristic.
The Mini-Thermostat complies with the following standards and regulations:
Directive 94/9/EG
DIN EN 60079-0 2007 – 05 Explosive atmospheres - Part 0: Equipment - General
requirements
DN EN 60079-18 2005 – 01
Explosive atmospheres - Part 18: Equipment protection by
encapsulation "m" incl. Corrigendum 2006-04
7. Maintenance
As part of the servicing and maintenance of the equipment into which the Mini-Thermostat
is installed, this must be included in the test!
Depending on the ambient and operating conditions is a regular check on the state carry
out. Damaged Mini-Thermostats are to be replaced in any case.
8. Special Conditions
The cable tail must be installed outside the hazardous area, or be connected to a terminal
box with suitable protection.
The circuit of the Mini-Thermostat must be protected by a C-Characteristic circuit breaker
to the rated current of 16A.
9. Safety Instructions
The explosion protection is only guaranteed in original condition. Changes to the Mini-
Thermostat that affect the explosion protection, are not permitted.
Explosion protection is not or no longer guaranteed if:
- the potting is damaged, torn or chipped.
- the cable gland or the thread is damaged or torn.
- the gasket is damaged.
- the insulation of the supply cable is damaged.
Summary of Contents for IRM2Ex Series
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