Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 - Manual (Page 56)

IM 11M13A01-02E 3-5
3. Installation
3.1.5 IECEx Flameproof Type
ZR22S-D Detector for use in hazardous locations:
Note 1: IECEx KEM 06.0006
IECEx flameproof type
Ex d IIB+ H
2
T2
Enclosure: IP66
IECEx type of protection "Dust"
Ex tD A21 IP66 T300
؇C
Enclosure: IP66
Note 2: Wiring
• All wiring shall comply with local installation requirement.
• The cable entry devices shall be of a certified flameproof type suitable for
the condition of use.
Note 3: Operation
• Keep the "WARNING" label to the Detector.
WARNING: DO NOT OPEN WHEN ENERGIZED. INSTALL IN
ACCORDANCE WITH THE INSTRUCTION MANUAL.
USE AT LEAST 150
؇C HEAT RESISTANT CABLES.
• Take care not to generate mechanical sparking when accessing to the
detector and peripheral devices in hazardous location.
Note 4: Maintenance and Repair
• The detector modification or parts replacement by other than authorized
representative of Yokogawa Electric Corporation is prohibited and will void
IECEx Flameproof Certification.
Note 5: Cable Entry
• The type of cable entry is marked near the cable entry port according to
following codes.
Type of Cable entry : Code
M20
ϫ 1.5
: M
1/2NPT : A
• In case of ANSI 1/2NPT plug, ANSI hexagonal wrench should be applied
to screw in.
• The blanking elements shall be of certified flameproof type, suitable for the
conditions of use and correctly installed.
Certified cable glands that meet or exceed the requirements for Ex d IIB +
H
2
T2, Ex tD A21 IP66 T300
؇C, provide at least 6 threads engaged when
installed, and resist heat so that they can be used in the operating
environment, should be used.