Explosion proof fans KTEX/DKEX – Presafe 17 ATEX 9970 X Operation and Maintenance Instructions Document in original language | 141815 · A005 GB
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Contents 1 2 3 4 5 6 7 8 9 EU Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Safety information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.1 Specific conditions for safe use (1-5) . . . . . . . . . . . . . . . . 4 Transport and storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EU Declaration of conformity | 1 EU Declaration of conformity Manufacturer Systemair Sverige AB Industrivägen 3 SE-739 30 Skinnskatteberg SWEDEN Phone: +46 222 440 00 www.systemair.
2 | Safety information 2 Safety information Danger • Before maintenance, service or repair cut the power supply (all-pole breaker) and the impeller to stop. • Mounted safety equipment must not be removed, bypassed or be disabled! • Cleaning with a damp cloth when the fan is energized can cause electric shock! • The fans may have sharp edges and corners, which can cause cutting injuries.
141815 | A005 1 95V 55V Voltages 400V (Y) 3~ Voltages 230V 3~(Δ) 2 85V 145V 105V 3 110V 190V 130V 140V 240V 160V 4 1,8 230V 400V 230V 5 3,76 6,5 3,9 6,8 2,25 3,9 1,8 3,1 0,88 1,52 3,6 6,2 3,9 6,8 2,25 3,9 1,8 3,1 0,88 1,52 I A1 310 - 980 310 - 980 555 - 1495 555 - 1495 390 - 1475 390 - 1475 460 - 1470 460 - 1470 490 - 1470 490 - 1470 330 - 985 330 - 985 590 - 1480 590 - 1480 415 - 1450 415 - 1450 470 - 1490 470 - 1490 500–1470 500–1470 rpm min-
4 | Transport and storage 2.1 Specific conditions for safe use (1-5) 1. The fan’s rating plate displays the fan’s data at rated voltage. In order for the fan’s permitted current and power consumption not to be exceeded the fan may need to be pressurised with a minimum back pressure according to table 1. 2. PTC protective circuits in the motors must be connected to monitoring apparatus certified according to ATEX Directive that isolates the motor from voltage supply immediately when activated. 3.
Technical data | 4.
6 | Technical data 4.2 Dimensions KTEX 8.0 F C B I2 H1 E D A G ø10.
Technical data | 4.3 Wiring 4.3.1 Cabling 400V3~ (Y) L1 230V3~ (D) L3 L2 L1 TP TP W2 U1 U2 V1 V2 W1 4.3.2 400V3~ (Y) / 230V3~(D) L2 L3 L1 L2 L3 TP TP W2 U1 U2 V1 V2 W1 TP TP U Sample motor protection Us = supply voltage H1 = indicator lamp fault S1 = off switch F1-F4 = fuses S2 = push button on K1 = contactor S3 = push button external reset TP = PTC thermistor 4.3.
8 | Installation 5 Installation Always read the safety information before installation. The fan is intended for fixed installation. Installation requires an inspection of the hazardous area to be done according to applicable regulations and classification standards (within the EU, EN 60079-10). Installation according EN 60079-14 deemed to meet the installation requirements in the EU.
Installation | 5.1 Installation example Fig. 1 DKEX Fig. 2 KTEX Installation examples (figure 1 , figure 2) only function as a guideline for installation where dimensioning of suspension devices must be carried out by the installer and adapted to the prevailing conditions. Fans (3) can be installed using brackets or suspended mountings (4). If any form of suspension device or bracket is installed on the fans the distance to moving parts must not be less than 25 mm.
10 | Checklist 6 Checklist Always read the safety instructions prior to commissioning. Before starting for the first time, ensure that: • The ambient temperature, humidity, dirt in the environment and the air’s corrosive properties have been taken into consideration. • The impeller do not hit parts of the fan housing (min. 3 mm).
Maintenance | 8 Maintenance Caution Always read the safety information before maintenance or service. Repair or replacement of components is not permitted on DKEX/KTEX. For other questions about the fan, contact technical support. Cleaning interval should be in proportion to how fast the impeller becomes dirty. Disassembly of the impeller is not allowed. Motors are completely or partly covered by antistatic painting or coating, which is able to derivate electric charges.
12 | Other 9 Other The fan should be inspected and cleaned when necessary but at least once a year so that imbalance and excessive wear on the bearings is avoided. At any sign of wear or latest after 40,000 h, a bearing exchange is required, contact technical support. A filter before the fan inlet can extend the fan cleaning interval. At other damages (eg, cable and cable glands), please contact technical support. If the screws need to be changed then the strength class of new screws must be at least 8.
Other | 9.
14 | Other 9.
141815 | A005
Phone +46 222 440 00 www.systemair.
