Installation Of Za8F Flow Setting Unit - YOKOGAWA ZR22G User Manual

3.3 Installation of the ZR402G Converter
The following should be taken into consideration when installing the converter:
(1) Readability of the indicated values of oxygen concentration or messages on the converter
display. Easy and safe access to the converter for operating keys on the panel.
(2) Easy and safe access to the converter for checking and maintenance work.
(3) An ambient temperature of not more than 55°C and little change in temperature
(recommended within 15°C in a day).
(4) The normal ambient humidity (recommended between 40 to 75%RH) and without any
corrosive gases.
(5) No vibration.
(6) Near to the detector.
(7) Not in direct rays of the sun. If the sun shines on the converter, prepare the hood (/H) or
other appropriate sunshade.
Mounting of the Converter
n
The converter can be mounted on a pipe (nominal JIS 50A: O.D. 60.5 mm), a wall or a panel. The
converter can be mounted at an angle to the vertical, however, it is recommended to mount it on
a vertical plane.
Mount the converter as follows.
<Pipe Mounting>
(1) Prepare a vertical pipe of sufficient strength (nominal JIS 50A: O.D. 60.5 mm) for mounting
the converter. (Converter weighs approximately 6 kg.)
(2) Mount the converter on the pipe. Fix it firmly on the pipe in the procedure described in
Figure 3.9.
* Note: These fittings are attached to the converter when it is delivered.
Figure 3.9
<Wall Mounting>
(1) Drill mounting holes through the wall as shown in Figure 3.10.
*Fitting
*Washer
*Bolt
Pipe Mounting
 Mounting procedure
1. Put four bolts in the holes on the fitting.
2. Clamp the pipe with the fitting and a bracket,
with the four bolts passing through the bracket holes.
3. Secure the fitting and the bracket tightly to the pipe with
four washers and nuts.
Bolt
<3. Installation>
A pipe to be mounted (nominal JIS 50A)
Bracket
Nut
Washer
F3-7E.ai
IM 11M12A01-02E 16th Edition : Mar. 19, 2020-00
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