Ecom Instruments EX TIME 40 User Manual

Instruction Manual  
Ex-Time 40 / 50  
1. Introduction  
Contents  
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.  
1. Introduction  
13  
13  
2. Safety Advice  
2. Safety Advice  
These Operating Instructions contain information and safety regula-  
tions 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 vio-  
late 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 trans-  
lation and/or printing), the original German language version of the  
Operating Instructions should be referred to.  
3. Faults and Damage  
13-14  
14  
4. Safety Regulations  
5. Ex-Data  
14-15  
15-16  
17-18  
18  
6. Technical Data  
7. Use and Application / Operating Instructions  
8. Repairs  
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 imme-  
diately 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.  
9. Cleaning, Maintenance and Storage  
10. Guarantee and Liability  
11. Declaration of EC Conformity  
12. EC -Type Examination Certificate  
13. Certificate of Compliance  
18  
19  
The safety and integrity of the unit may be compromised by,  
for example:  
20  
-
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.  
21-22  
23-24  
- Damage sustained in transit.  
- Correct certification is illegible.  
- Functionality errors occur.  
- Permitted tolerances or threshold values have been exceeded.  
12  
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 require-  
ments as laid down in the regulations and that improper and incorrect  
use of the unit is avoided.  
Report job  
identification no.:  
3015562  
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.  
FM identification:  
I.S. Class I Division 1 Group A-D T4  
6. Technical Data  
Ambient temperature Ta:  
Storage temperature:  
Battery / power supply:  
Battery operating time:  
0 ... +50°C  
0 ... +50°C  
1 x LR14 acc. to IEC; C  
1 year  
- The entire back face of the unit must only be cleaned with a - - - - -  
damp cloth.  
Accuracy of  
5. Ex-Data  
quartz mechanism:  
+15/-5 seconds per month  
Dimensions:  
(Ex-Time 40)  
(Ex-Time 50)  
400 x 60 mm  
500 x 70 mm  
EC Certificate  
of Conformity no.:  
PTB 02 ATEX 2197 X  
II 2 G EEx ia IIC T4  
Weight (incl. batteries):  
(Ex-Time 40)  
(Ex-Time 50)  
Ex-Designation  
2.0 kg  
3.4 kg  
Approved for areas classified as zones 2 and 1, device group II, gas  
group C potentially explosive gases, vapours or mist,  
temperature class T4  
CE labelling:  
0102  
14  
15  
Table of type-approved LR 14 batteries  
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.  
Manufacturer  
Varta  
Type  
Alkaline Electric Power No.8014  
Alkaline Universal No.4014  
Alkaline  
7.1 Commissioning  
Varta  
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 bat-  
tery of the correct type (LR14) (refer to the table under section 6 –  
technical data ) into the battery compartment. Please refer to the dia-  
gram on the housing to make sure that battery is inserted with the cor-  
rect 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.  
Duracell  
Duracell  
Duracell  
Panasonic  
Ralston  
GP  
Professional Alkaline Battery Procell  
Duracell Plus  
Alkaline Industrial Battery  
LR 14 Energizer  
Super Alkaline Battery  
Alkaline  
7.2 Changing the battery  
To change the battery, use an appropriate screwdriver to undo the two  
screws on the battery compartment cover. Remove the battery com-  
partment cover and dispose of the old battery.  
Daimon  
Insert a new battery (only use type-approved batteries ‘ refer to the  
table under section 6 – technical data; check for correct polarity ‘  
check the diagram on the battery housing ). Refit the cover to the bat-  
tery compartment (the spring faces towards the battery) and secure it  
with the two screws. The clock will now start to run again. Then use  
the white adjusting wheel on the housing of the quartz mechanism in  
order to set the correct time.  
Please ensure that all used and defective batteries are properly dispo-  
sed of in an environmentally friendly manner.  
16  
17  
7.3 Wall Mounting  
ecom instruments GmbH offers a 2-year warranty for function  
and materials on this product under the specified operating and  
maintenance conditions.  
This warranty does not extend to products which have been used  
improperly, altered, neglected, damaged by accident or subjected to  
abnormal operating conditions or improper handling.  
An integral metal bracket located on the rear of the clock enables the  
Ex-Time 40 / 50 to be suitably mounted on an appropriate wall. The  
fixing of the unit must be secure at all times and precautionary measu-  
res must be taken to prevent the Ex-Time 40 / 50 from  
falling into an area classified as zone 0.  
7.4 Time Setting  
In the event of a warranty claim, the faulty device should be sent in.  
We reserve the right to readjust or repair the unit.  
The white adjusting wheel on the quartz mechanism is used to make  
any necessary time adjustments.  
The above warranty terms represent the sole rights of the  
purchaser to compensation and apply exclusively and in place of all  
other contractual or statutory warranty obligations.  
8. Repairs  
ecom instruments GmbH does not accept liability for specific, direct,  
indirect, incidental or consequential damages or losses including the  
loss of data, regardless of whether they are caused by breach of war-  
ranty, lawful or unlawful actions, actions in good faith or other actions.  
Repairs are subject to the terms and conditions of ELEX V. It is recom-  
mended that all repairs are carried out by the manufacturer, so as to  
check and test the safety and reliability of the unit after any repairs are  
performed.  
If in certain countries the restriction of statutory warranty and the  
exclusion or restriction of incidental or subsequential damages is  
unlawful, then it may be possible that the above restrictions and exclu-  
sions do not apply for all purchasers. If any clause in these warranty  
terms should be found to be invalid or unenforceable by a competent  
court, then such a judgement shall not affect the  
9. Cleaning, Maintenance and Storage  
The entire back face of the unit must only be cleaned with a damp  
cloth Do not use solvents or abrasive cleaning agents to clean the unit.  
We recommended having the function and the accuracy of the device  
checked by the manufacturer every two years.  
validity or enforceability of any other clause contained in these warran-  
ty terms.  
The batteries should be taken out of the unit if it is to be out of use for  
a length of time. The storage temperature should be within the permit-  
ted range of 0°C to +50°C.  
11. Declaration of EC Conformity  
10. Guarantee and Liability  
18  
19  
We  
Physikalisch-Technische Bundesanstalt Braunschweig und Berlin  
EC-Type-Examination Certificate  
(1)  
(2)  
ecom Instruments GmbH  
Industriestraße 2  
Equipment and Protective Systems Intended for Use in Potentially  
Explosive Atmospheres – Directive 94/9/EC  
D-97959 Assamstadt  
(3)  
(4)  
(5)  
(6)  
(7)  
EC-Type-Examination Certificate Number PTB 02 ATEX 2197 X  
Device: Explosion-proof Wall Clock, type Ex-time **  
declare under our sole responsibility that the product  
Ex-Time 40 / Ex-Time 50  
Manufacturer: ecom instruments GmbH  
Address: Industriestrasse 2, 97959 Assamstadt, Germany  
The design of this device and any acceptable variation thereto are specified  
to which this declaration relates is in accordance with the provision of the fol-  
lowing directives  
in the schedule to this certificate and the documents therein referred to.  
94/9/EC  
Equipment and protective systems  
intended for use in potentially  
explosive atmospheres  
(8) The Physikalisch-Technische Bundesanstalt, notified body No. 0102 in  
accordance with Article 9 of the European Community Council Directive of  
March 23, 1994 (94/9/EC), certifies that this device has been found to  
comply with the Essential Health and Safety Requirements relating to the  
design and construction of equipment and protective systems intended for  
use in potentially explosive atmospheres, given in Annex II to the directive.  
and is in conformity with the following standards or other normative  
documents  
The examination and test results are recorded in the confidential report  
PTB Ex 02-22330.  
EN 50014:1997  
Electrical apparatus for potentially  
explosive atmospheres  
General requirements  
(9)  
Compliance with the Essential Health and Safety Requirements has been  
assured by compliance with  
EN 50014:1997 + A1 + A2  
EN 50020: 1994  
EN 50020:1994  
Electrical apparatus for potentially explosive  
atmospheres Intrinsic safety "i”  
(10)  
(11)  
If there is an "X” after the certificate number, special conditions for the safe  
use of the device are provided in the schedule to this certificate.  
This EC-Type-Examination Certificate relates only to the design and  
examination of the specified device in accordance with Directive 94/9/EC.  
Further requirements of this directive apply to the manufacture and supply  
of the device. These requirements are not covered by this certificate.  
ecom Instruments GmbH,  
Assamstadt, den 09.11.01  
(12)  
(13)  
The labeling of this device must include the following information:  
II 2 G EEx ia IIC T4  
S c h e d u l e  
12. EC Type Examination Certificate  
20  
21  
(14)  
(15)  
EC-Type-Examination Certificate PTB 02 ATEX 2197 X  
13. Certificate of Compliance  
Device Description  
The explosion-proof wall clock, type Ex-Time ** can be used in potentially  
explosive atmospheres.  
The admissible ambient temperature range is 0 C - 50 C.  
Electrical Data  
Auxiliary power..................  
Feed circuit........................  
Battery 1.5 V model LR14 (see (17))  
in ignition protection class for  
intrinsic safety EEx ia IIC  
Maximum values:  
Uo =  
Io =  
Po =  
1.5 V  
866 mA  
60 mW  
for clockwork connection  
(16)  
(17)  
Examination Report  
Special Conditions  
PTB Ex 02-22330  
Only use battery types that are listed in the operating instructions  
supplied with the device.  
(18)  
Essential Safety and Health Requirements  
are fulfilled in accordance with the above-mentioned directives  
Certifying body for Explosion Protection  
Braunschweig,  
By the order of  
Dr.-Ing. U. Johannsmeyer  
Government Director  
Sommaire  
22  
23  
24  
ecom instruments GmbH  
Industriestraße 2  
D-97959 Assamstadt  
Tel.: +49 (0) 62 94 / 42 24 0  
Fax: +49 (0) 62 94 / 42 24 90  

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