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Manafacture: Ecom Instruments File size: 1.07 mb File name: Ex-Time40_manual.pdf Language of manual:

Safety Advice 3. Faults and Damage 4. Safety Regulations 5. Ex-Data 6. Technical Data 7. Use and Application / Operating Instructions 8. Repairs 9. Cleaning, Maintenance and Storage 10. Guarantee and Liability 11. Declaration of EC Conformity 12. EC -Type Examination Certificate 13. Certificate of Compliance 1. Introduction 13 The Ex-Time 40 and the Ex-Time 50 are quartz movement wall clocks designed for internal use in Ex-hazardous areas classified as Zone 1 and 2 according IEC/CENELEC or division 1 according to NEC. 13 2. Safety Advice 13-14 These Operating Instructions contain information and safety regulations which must be followed to ensure safe and reliable operation of the unit under the described conditions. 14 14-15 15-16 17-18 Failure to follow the information and instructions contained in these Operating Instructions can have dangerous consequences or may violate applicable rules and regulations. Please take the time to carefully read through these Operating Instructions before you start using the unit. In the event of any doubt or discrepancies (e.g. due to errors in translation and/or printing), the original German language version of the Operating Instructions should be referred to. 18 18 19 3. Faults and Damage If there is any reason to suspect that the safety or integrity of the unit has been compromised, then it must be taken out of operation immediately and removed from the Ex-zone without delay. Precautionary measures must be taken in order to prevent any further use of the unit in the Ex-zone. It is recommended that the unit should be then sent to the manufacturer to be examined. 20 21-22 23-24 The safety and integrity of the unit may be compromised by, for example: - External damage is evident on the housing. - The unit has been subjected to excessive loads for which it is not designed. - Incorrect storage of the unit. - Damage sustained in transit. - Correct certification is illegible. - Functionality errors occur. - Permitted tolerances or threshold values have been exceeded. 13 4. Safety Regulations The use of the Ex-Time 40 / 50 unit meets the requirements of the regulations providing that the user observes and applies the requirements as laid down in the regulations and that improper and incorrect use of the unit is avoided. The following safety regulations must be complied with: - The housing of the quartz mechanism and the battery compartment must not be opened within the Ex-zone. - The battery must only be changed outside of the Ex-zone. - Additional or spare batteries must not be carried in the Ex-zone. - Only the "type-approved” batteries as listed in these Operating Instructions may be used. - Ensure that Ex-Time 40 and 50 units are securely attached to the wall. - Precautionary measures must be taken to prevent the unit from falling into an area classified as zone 0. - The entire back face of the unit must only be cleaned with a damp cloth. 5. Ex-Data EC Certificate of Conformity no.: PTB 02 ATEX 2197 X Ex-Designation II 2 G EEx ia IIC T4 Approved for areas classified as zones 2 and 1, device group II, gas group C potentially explosive gases, vapours or mist, temperature class T4 Report job identification no.: 3015562 FM identification: I.S. Class I Division 1 Group A-D T4 6. Technical Data Ambient temperature Ta: 0 ... +50°C Storage temperature: 0 ... +50°C Battery / power supply: 1 x LR14 acc. to IEC; C Battery operating time: 1 year Accuracy of quartz mechanism: +15/-5 seconds per month Dimensions: (Ex-Time 40) 400 x 60 mm (Ex-Time 50) 500 x 70 mm Weight (incl. batteries): (Ex-Time 40) 2.0 kg (Ex-Time 50) 3.4 kg CE labelling: 0102 Table of type-approved LR 14 batteries Manufacturer Type Varta Alkaline Electric Power No.8014 Varta Alkaline Universal No.4014 Duracell Alkaline Duracell Professional Alkaline Battery Procell Duracell Duracell Plus Panasonic Alkaline Industrial Battery Ralston LR 14 Energizer GP Super Alkaline Battery Daimon Alkaline 7. Use and Application / Operating Instructions Before use, please read these operating instructions very carefully in order to familiarise yourself with the functions of the Ex-Time 40 / 50. For you own safety and information, please read the following instructions. 7.1 Commissioning Use an appropriate screwdriver to undo the two screws on the battery compartment cover (on the opposite side from the quartz mechanism). Remove the battery compartment cover and insert a battery of the correct type (LR14) (refer to the table under section 6 – technical data ) into the battery compartment. Please refer to the diagram on the housing to make sure that battery is inserted with the correct polarity. Refit the battery compartment cover (the spring faces towards the battery), refit the battery compartment cover screws and tighten securely. Then use the white adjusting wheel on the housing of the clockwork mechanism in order to set the correct time. 7.2 Changing the battery To change the battery, use an appropriate screwdriver to undo the tw...

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