Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 59)

IM 11M12D01-01E 3-9
3. Installation
3.3 Installation of the Averaging Converter
The averaging converter is designed for indoor installation and should be installed in the
instrument panel in a control room. For outdoor installation, the averaging converter
should be installed in an outdoor instrument panel protected from direct sunlight and the
weather.
DANGER
High voltages are present inside the averaging converter. To prevent unintentional
opening of the front cover, it is securely attached by a lock screw on the right side of
the case. Loosen the lock screw to remove the front cover, and securely tighten the
lock screw after the front cover has been attached.
How to remove the front cover
• Loosen the 4 knob bolts by hand, and then loosen the lock screw with the Allen
wrench supplied.
• Remove the front cover by lifting up slightly then pulling away from the case.
How to attach the front cover
• Attach the front cover, aligning the slots on the sides of the cover with the knob bolts
on the case, and then pull the cover down until it is seated firmly.
• Hand tighten the knob bolts, and then securely tighten the lock screw with the Allen
wrench supplied.
Knob Bolt
Lock Screw
Figure 3.7 How to Remove/Attach the front Cover