Owner manual
Table Of Contents
- Introduction
- CONTENTS
- 1. Overview
- 2. Specifications
- 2.1 General Specifications
- 2.2 General use Separate type Detector and Related Equipment
- 2.3 Separate type Detector for High Temperature and Related Equipment
- 2.4 ZR402G Separate type Converter
- 2.5 ZA8F Flow Setting Unit and ZR40H Automatic Calibration Unit
- 2.6 ZO21S Standard Gas Unit
- 2.7 Other Equipments
- 2.7.1 Dust Filter for the Detector (K9471UA)
- 2.7.2 Dust Guard Protector (K9471UC)
- 2.7.3 Ejector Assembly for High Temperature (E7046EC, E7046EN)
- 2.7.4 Stop Valve (L9852CB, G7016XH)
- 2.7.5 Check Valve (K9292DN, K9292DS)
- 2.7.6 Air Set
- 2.7.7 Zero Gas Cylinder (G7001ZC)
- 2.7.8 Cylinder Pressure Reducing Valve (G7013XF, G7014XF)
- 2.7.9 Case Assembly for Calibration Gas Cylinder (E7044KF)
- 2.7.10 ZR22A Heater Assembly
- 3. Installation
- 3.1 Installation of General-purpose Detector
- 3.2 Installation of High Temperature Detector (ZR22G-015)
- 3.3 Installation of the ZR402G Converter
- 3.4 Installation of ZA8F Flow Setting Unit
- 3.5 Installation of ZR40H Automatic Calibration Unit
- 3.6 Installation of the Case Assembly(E7044KF)
- 3.7 Insulation Resistance Test
- 4. Piping
- 5. Wiring
- 6. Components
- 7. Startup
- 7.1 Checking Piping and Wiring Connections
- 7.2 Checking Valve Setup
- 7.3 Supplying Power to the Converter
- 7.4 Touchpanel Switch Operations
- 7.5 Confirmation of Converter Type Setting
- 7.6 Confirmation of Detector Type Setting
- 7.7 Selection of Sample Gas
- 7.8 Output Range Setting
- 7.9 Setting Display Item
- 7.10 Checking Current Loop
- 7.11 Checking Contact I/O
- 7.12 Calibration
- 8. Detailed Data Setting
- 9. Calibration
- 10. Other Functions
- 11. Inspection and Maintenance
- 12. Troubleshooting
- Customer Maintenance Parts List CMPL 11M12A01-02E
- Customer Maintenance Parts List CMPL 11M12C01-01E
- Customer Maintenance Parts List CMPL 11M12A01-11E
- Customer Maintenance Parts List CMPL 11M03B01-10E
- Customer Maintenance Parts List CMPL 11M03B01-05E
- Customer Maintenance Parts List CMPL 11M03D01-01E
- Revision Information

<2. Specications>
2-22
IM 11M12A01-02E 8th Edition : Jan.13,2012-00
2.7.3 Ejector Assembly for High Temperature (E7046EC,
E7046EN)
This ejector assembly is used where pressure of sample gas for high temperature detector is
negative. This ejector assembly consists of an ejector, a pressure gauge assembly and a needle
valve.
Standard Specications
Ejector
Ejector Inlet Air Pressure: 29 to 68 kPa G
Air Consumption: Approx. 30 to 40 l/min
Suction gas ow rate: 3 to 7 l/min
Connection: Rc1/4, SUS304 (JIS)
Tube Connection: Φ 6 / Φ 4 mm or 1/4 inch copper tube (stainless tube)
Pressure Gauge Assembly
Type: A
1.6
3/8 x75 x100 kPa (JIS B7505)
Material in Contact with Gas: SUS316 (JIS)
Case Material: Aluminum alloy (Paint color; black)
Scale: 0 to 100 kPa G
Connection: R1/4 or 1/4NPT, SUS304 (JIS) (with Bushing G3/8 x R1/4 or
1/4NTP)
Needle Valve
Connection: Rc1/4 or 1/4FNPT
Material: SUS316 (JIS)
(Note) Pipe and connections are not provided.
Part No. Description
E7046EC Ejector; Ø6 / Ø4 TUBE joint, Pressure gauge; R1/4,
Needle valve; Rc1/4: SUS304 (JIS)
E7046EN Ejector; 1/4 TUBE joint, Pressure gauge; 1/4NPT,
Needle valve; 1/4FNPT : SUS304 (JIS)
< Pressure setting for the ejector assembly for high temperature use >
Pressure supply for the ejector assembly should be set so that the suction ow of the sample gas
becomes approximately 5 l/min.
To set this, proceed as follows:
(1) In Graph 4, draw a horizontal line from the 5 l/min point. on the vertical axis (Suction ow: Qg)
toward the gas pressure line to be used, to nd the point of intersection.
Draw a line vertically down from the point of intersection to the axis to nd the drive pressure,
P (at the ejector entrance).
(2) In Graph 1, determine Po (pressure setting) from L (the distance between the ejector and the
pressure gauge).
(3) Open the needle valve to supply air for the ejector to the pressure gauge until it indicates the
pressure setting, Po.
NOTE
Qg (the suction ow) may require change according to the conditions of use. Refer to Section
3.2.2 and Section 4.1.4 for details.