Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 - Manual (Page 52)

IM 11M13A01-02E 3-1
3. Installation
3. Installation
This chapter describes installation of the following equipment:
Section 3.1 Detector (except model ZR22S-
ᮀ -015)
Section 3.2 Detector (model ZR22S-
ᮀ -015)
Section 3.3 ZR402G Converter
Section 3.4 ZA8F Flow Setting Unit
Section 3.5 ZR40H Automatic Calibration Unit
WARNING
Converter (Model ZR402G) and Automatic Calibration Unit (Model ZR40H) must not
be located in hazardous area.
WARNING
Requirement for explosionproof use:
The ZR22S is connected to a ZR402G or AV550G* 1 that is mounted in a non-hazardous
area.
The ambient temperature is in the range -20 to +60
Њ C. The surface temperature of the
ZR22S is not over the temperature class T2 (300
Њ C)*
2 .
*1: Refer to IM 11M12D01-01E
*2: The terminal box temperature does not exceed 150
Њ C.
WARNING
• When connecting an AV550G, the AV550G should be installed in a non-hazardous
area.
• When using options like autocalibration or blowback, if the corresponding solenoid
valves are to be mounted in a hazardous location then be sure to use explosionproof
solenoid valves and appropriate wiring in explosionproof conduit.