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Operating Instructions
Type U-EK230E
Releasing unit for motors with temperature sensors "TP" (thermistors)
Table of contents
1 General Notes ...................................................................................................................................... 2
2 Display- and control elements ............................................................................................................ 2
3 Pre-Adjustment .................................................................................................................................... 2
4 Application and brief description ....................................................................................................... 3
5 Summary of features ........................................................................................................................... 3
6 Connecting diagram ............................................................................................................................ 3
7 Function diagram ................................................................................................................................ 4
8 Important notes ................................................................................................................................... 4
9 Installation ........................................................................................................................................... 4
10 Commissioning.................................................................................................................................. 5
11 Operation instructions ...................................................................................................................... 5
12 Troubleshooting and remedies ........................................................................................................ 5
13 Technical data ................................................................................................................................... 5
14 Dimensions - Design V2 .................................................................................................................... 7
15 Safety instructions and references for putting into operation ....................................................... 7
16 Proof testing of the safety functions ................................................................................................ 9
17 Maintenance and repair ................................................................................................................... 10
18 Disposal / Recycling ........................................................................................................................ 10
19 Manufacturer reference ................................................................................................................... 10
20 Service information ......................................................................................................................... 10
21 EU-Declaration of conformity ......................................................................................................... 11
22 UKCA-Declaration of Conformity ................................................................................................... 12
U-EK230E
L-BAL-E185-GB 2023/10 Index 005
Part.-No. 382008
marking see type plate on the device -
EU type examination certificate PTB 03 ATEX 3045
Issue 1
UK type examination certificate EPS 23 UKEX 1011
11660-0711-03
english
0102
8507
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Summary of Contents for ZIEHL-ABEGG U-EK230E
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Page 1: Table Of Contents
Operating Instructions english Type U-EK230E Part.-No. 382008 Releasing unit for motors with temperature sensors "TP" (thermistors) 0102 8507 marking see type plate on the device – EU type examination certificate PTB 03 ATEX 3045 Issue 1 UK type examination certificate EPS 23 UKEX 1011 Table of contents 1 General Notes ............................ -
Page 2: General Notes
Tripping temperature Reset temperature 1 thermistor TNF + 15 K TNF + 5 K TNF – 5 K 3 thermistors in series TNF + 5 K TNF – 20 K 6 thermistors in series U-EK230E L-BAL-E185-GB 2023/10 Index 005 11660-0711-03 2/12... -
Page 3: Application And Brief Description
With bridged terminals Y1, Y2, the reclosing lock function is disabled. 6 Connecting diagram Supply voltage Off switch Push button on 1) external interlock, PTC thermistor (manual reset) see chapter 15.11 F1 – F4 Fuses Remote reset Manual reset Indicator lamp fault Contactor U-EK230E L-BAL-E185-GB 2023/10 Index 005 11660-0711-03 3/12... -
Page 4: Function Diagram
Care for both, sufficient clearance to other devices or sources of heat or enough forced draught. If cooling is made more difficult, e.g. close devices with increased surface temperature or by handicap of airflow cooling, the permissible ambient temperature reduces. U-EK230E L-BAL-E185-GB 2023/10 Index 005 11660-0711-03... -
Page 5: Commissioning
≤ 2.5 VDC at R ≤ 3.65 kΩ, ≤ 2 V at R ≤ 1.65 kΩ Terminal voltage (thermistor) ≤ 9 VDC at R = Open-circuit voltage ≤ 1 mA Terminal current (thermistor) U-EK230E L-BAL-E185-GB 2023/10 Index 005 11660-0711-03 5/12... - Page 6 Snap mounting on 35 mm standard rail EN60715 Optional: Screw mounting M4 screws (additional bar not included) Weight approx. 117 g Terminal connection Screw mounting M3 Protection class terminals EN 60529 IP20 Tightening torque 0.5 Nm U-EK230E L-BAL-E185-GB 2023/10 Index 005 11660-0711-03 6/12...
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Page 7: Dimensions - Design V2
15.3 Special remarks for use in the presence of combustible dust (Zone 20, 21 and 22) • The device must be installed outside potentially explosive dust atmospheres unless the device is protected by a suitable enclosure for dust atmospheres. U-EK230E L-BAL-E185-GB 2023/10 Index 005 11660-0711-03 7/12... - Page 8 • ZIEHL-ABEGG motors with fixed connecting cable ZIEHL-ABEGG asynchronous motors MK085, MK106 and MK137 series and fans using these motors come with a fixed connecting cable including both thermistor lines and supply lines. Monitoring these motors / fans with a fixed connecting cable up to a maximum of 205 cm in length is allowed.
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Page 9: Proof Testing Of The Safety Functions
The safety function must be tested by changing the resistance from 50…1500 Ohm to 4000 Ohm at terminals T1, T2. • The function of the electronic interlock must be tested additionally. • If an error is detected no restart must be induced until the error is cleared. U-EK230E L-BAL-E185-GB 2023/10 Index 005 11660-0711-03 9/12... -
Page 10: Maintenance And Repair
19 Manufacturer reference Our products are manufactured in accordance with the relevant international regulations. If you have any questions concerning the use of our products or plan special uses, please contact: ZIEHL-ABEGG SE ZIEHL-ABEGG UK Ltd. Heinz-Ziehl-Straße Springfield Business Park 74653 Künzelsau... -
Page 11: Eu-Declaration Of Conformity
21 EU-Declaration of conformity... -
Page 12: Ukca-Declaration Of Conformity
22 UKCA-Declaration of Conformity...
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