Yokogawa RotaMASS 3-Series - Manual (Page 199)

9. EXplOSION prOTECTEd TYpE INSTrUMENTS
9-7 All Rights Reserved. Copyright © 2003, Rota Yokogawa IM 01R04B04-00E-E 8th edition March 01, 2011 -00
9.1.3 Operation
If the cover of the converter RCCF31 / RCCT3 has to be opened, following instructions must be followed.
CAUTION
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 driver 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. 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 plates (refer to chapter 3.11)
rCCT3 option /KF1:
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 /KF2:
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 /KF1 + /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 /KF2 + /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.