Safety Instructions; Electrical Installation; Dimensions And Weight; Ex Zone - flowair EX LITE Technical Documentation Operation Manual

1.2. SAFETY INSTRUCTIONS

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type of protection: IP 40
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allowed temperature: -5⁰ to +40⁰
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dedicated for appropriately trained personnel
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wall mounted

1.3. ELECTRICAL INSTALLATION

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humidity 100% for 25⁰C
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mains voltage: 3x400V
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frequency: 50Hz
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maximal rated current: 1 A – 4 A (depending on amount of heaters connected)
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EMC classification: environment A

1.4. DIMENSIONS AND WEIGHT

Name
EX-LITE-1
EX-LITE-2
EX-LITE-3
EX-LITE-4
EX-PLUS-1
EX-PLUS-2
EX-PLUS-3
EX-PLUS-4

1.5. EX ZONE

Control system designed according to directive ATEX 2014/34/UE.
Junction box EX markings:
II 2 G EX e IIC T6 Gb
Thermostat EX markings:
II 2 G EX d e IIC T6 Gb
LEO EX markings:
II 2 G c EX e IIB T3
The devices are designed for indoor use. Leo EX fan heaters cannot be used in coal mines (unit classified in II Group
equipment and protective systems). LEO EX can be used in explosive zone Z-2, where environment is created by:
gas-air, vapor-air, fog. Leo EX units are suitable for use in an explosive mixture of subgroup: IIB - Ethylene group
IIA - Propane group. LEO EX class temperature is T3 (maximum surface temperature of 200°C flash point of gases:
200°C to 300°C).
Cable connections for EX devices are similar to standard electric installation. Remember to power down the
installation before connecting any devices. Wires should be crimped with cable shoes, wire type and size should
mach with documentation (chapter 4).

1.6. PRODUCT COMPOSITION

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Control cabinet
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Robust junction box dedicated for EX zone
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Technical documentation
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Thermostat for EX zone (included and compatible with PLUS)
Length [mm] Height [mm]
304 408
410 430
303 642
303 642
410 610
410 610
511 711
511 711
Width [mm]
149
151
118
118
202
202
253
253
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