Yokogawa RotaMASS 3-Series - Manual (Page 82)

9. EXPLOSION PrOTECTEd TyPE INSTrUMENTS
9-6 IM 01R04B05-00E-E 3rd edition July 30, 2010 -00 all Rights Reserved. Copyright © 2005, Rota Yokogawa
9.1.3 Operation
If the cover of the converter case has to be opened, following instructions must be followed.
WARNING
1. Confirm that the power cables to the instrument are disconnected.
2. Wait 15 minutes after power is turned off before opening the covers.
3. the covers of display side and terminal box are fixed with special screws, please use Hexagonal
Wrench to open the covers.
4. Be sure to lock the cover with special screw using the Hexagonal Wrench after tightening the cover.
5. Before starting the operation again, be sure to lock the cover with the locking screws
.
6. take care not to generate mechanical spark when access to the instrument and peripheral devices in
hazardous locations
7. Prohibition of specification changes and modifications. users are prohibited from making any
modifications of specifications or physical configuration, such as adding or changing the configuration
of external wiring ports.
9.1.4 Maintenance and repair
WARNING
the instrument modification of parts replacement by other than authorized representatives of YoKoGaWa
is prohibited and will void the certification.
9.1.5 Ex-relevant marking on name plate
rCCT3 option /KF3:
KEMa 02 atEX 2183X
II 2G Ex d [ib] IIC t6...t3 or
II 2G Ex de [ib] IIC t6...t3
II 2D Ex tD a21 IP6x t150°C
DIoDE SaFEtY BaRRIER um : 250Vac/dc
tEMP. CLaSS
t6 t5 t4 t3
PRoCESS tEMP. 65 80 115 150°C
EnCLoSuRE: IP67
SEE CERtIFICatE FoR Data
WARNING
WaIt 15 MIn. aFtER PoWER-DISConnECtIon
BEFoRE oPEnInG tHE EnCLoSuRE.
rCCT3 option /KF4:
KEMa 02 atEX 2183X
II 2G Ex d [ia][ib] IIC t6...t3 or
II 2G Ex de [ia][ib] IIC t6...t3
II 2D Ex tD a21 IP6x t150°C
DIoDE SaFEtY BaRRIER um : 250Vac/dc
tEMP. CLaSS
t6 t5 t4 t3
PRoCESS tEMP. 65 80 115 150°C
EnCLoSuRE: IP67
SEE CERtIFICatE FoR Data
WARNING
WaIt 15 MIn. aFtER PoWER-DISConnECtIon
BEFoRE oPEnInG tHE EnCLoSuRE.
rCCT3 option /KF3 /HP:
KEMa 02 atEX 2183X
II 2G Ex d [ib] IIB t6...t3 or
II 2G Ex de [ib] IIB t6...t3
II 2D Ex tD a21 IP6x t150°C
DIoDE SaFEtY BaRRIER um : 250Vac/dc
tEMP. CLaSS
t6 t5 t4 t3
PRoCESS tEMP. 65 80 115 150°C
EnCLoSuRE: IP67
SEE CERtIFICatE FoR Data
WARNING
WaIt 15 MIn. aFtER PoWER-DISConnECtIon
BEFoRE oPEnInG tHE EnCLoSuRE.
rCCT3 option /KF4 /HP:
KEMa 02 atEX 2183X
II 2G Ex d [ia][ib] IIB t6...t3 or
II 2G Ex de [ia][ib] IIB t6...t3
II 2D Ex tD a21 IP6x t150°C
DIoDE SaFEtY BaRRIER um : 250Vac/dc
tEMP. CLaSS
t6 t5 t4 t3
PRoCESS tEMP. 65 80 115 150°C
EnCLoSuRE: IP67
SEE CERtIFICatE FoR Data
WARNING
WaIt 15 MIn. aFtER PoWER-DISConnECtIon
BEFoRE oPEnInG tHE EnCLoSuRE.