Ecom Instruments EX-TIME 50, EX-TIME 40 User Manual

Instruction Manual

Ex-Time 40 / 50

Contents

1. Introduction 13

1. Introduction

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.

2. Safety Advice 13

3. Faults and Damage 13-14

4. Safety Regulations 14

5. Ex-Data 14-15

6. Technical Data 15-16

7.

Use and Application / Operating Instructions 17-18

8. Repairs 18

9. Cleaning, Maintenance and Storage 18

10. Guarantee and Liability 19

11. Declaration of EC Conformity 20

12. EC -Type Examination Certificate 21-22

13. Certificate of Compliance 23-24

12

2. Safety Advice

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.
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.

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.
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

Approved for areas classified as zones 2 and 1, device group II, gas
group C potentially explosive gases, vapours or mist,
temperature class T4

II 2 G EEx ia IIC 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:

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

1 x LR14 acc. to IEC; C

1514