ABB Endura AZ40 Manual
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ABB Endura AZ40 Manual

ABB Endura AZ40 Manual

Sensor assembly, heater and thermocouple kit
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See also: Operating Instructions, Manual
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A B B M E A S U R E M E N T & A N A LY T I C S | I N S T R U C T I O N | I N S/A N A I N S T/0 0 8 - E N R E V. B
Endura AZ40
Sensor assembly
1
Endura AZ40
sensor assembly
This publication details replacement procedures for
AZ40 cartridge heaters and thermocouples
(AZ400 753) fitted to Endura AZ40 sensor
assemblies. Before carrying out any procedures,
read Section 3. These procedures must be carried
out by a suitably-trained technician.
Kit contains:
• Heaters (4 x 100 W, 2 x 70 W), 2 x thermocouples
• This publication
Tools required
• Transmitter door key (supplied with
transmitter)
• Operating instruction OI/AZ40-EN*
• Medium flat-bladed screwdriver
• Small flat-bladed screwdriver
• Anti-seize compound (suitable for
temperatures up to 200 °C [392 °F])
Introduction
Heater and thermocouple kit
Kit reference: AZ400 753
Measurement made easy
*Operating instruction
OI/AZ40-EN
mandatory safety information and can be
downloaded from the link (above) or by scanning
this code:
2
For more information
Further information is available from:
www.abb.com/analytical
or by scanning these codes:
Sales
Service
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Summary of Contents for ABB Endura AZ40

  • Page 1 OI/AZ40-EN contains AZ40 cartridge heaters and thermocouples mandatory safety information and can be (AZ400 753) fitted to Endura AZ40 sensor downloaded from the link (above) or by scanning assemblies. Before carrying out any procedures, this code: read Section 3. These procedures must be carried out by a suitably-trained technician.

  • Page 2: Health And Safety

    — in accordance with the information provided in this document — in accordance with relevant local regulations — when process conditions are suitable to allow enough to enable installation / maintenance INS/ANAINST/008-EN Rev. B | Endura AZ40 | Sensor assembly | Heater and thermocouple kit...
  • Page 3 Operating instruction OI/AZ40-EN. — Suitable lifting equipment must be available when installing / removing the sensor / probe from the process. Endura AZ40 | Sensor assembly | Heater and thermocouple kit | INS/ANAINST/008-EN Rev. B...
  • Page 4 The transmitter must be isolated from mains power supplies before performing this procedure. Customer-supplied mains isolator Fig. 4.1 Isolating the transmitter from incoming mains power supplies INS/ANAINST/008-EN Rev. B | Endura AZ40 | Sensor assembly | Heater and thermocouple kit...
  • Page 5 1. Disconnect air line B and test gas line C at sensor D. Fig. 5.2 Disconnecting instrument air and test gas supplies Fig. 5.3 Disconnecting sensor cables Endura AZ40 | Sensor assembly | Heater and thermocouple kit | INS/ANAINST/008-EN Rev. B...
  • Page 6 (including filter assembly) from the process. 3. Temporarily cover process opening until the sensor assembly is ready to be re-installed. Fig. 5.4 Removing the sensor assembly from the process INS/ANAINST/008-EN Rev. B | Endura AZ40 | Sensor assembly | Heater and thermocouple kit...
  • Page 7 D Flange block thermocouple: T/C 2 – see Section 8.4, page 14 Fig. 6.1 Heater and thermocouple locations on sensor flange block and CO heater block Endura AZ40 | Sensor assembly | Heater and thermocouple kit | INS/ANAINST/008-EN Rev. B...
  • Page 8 Check the seals fitted to each cover. If they need replacing or seals have bonded to the mating surfaces of the sensor assembly, replace them – see Instruction INS/ANAINST/10-EN. Fig. 7.1 Removing sensor covers INS/ANAINST/008-EN Rev. B | Endura AZ40 | Sensor assembly | Heater and thermocouple kit...

  • Page 9: Replacement Procedures

    8. To replace 70 W CO heater block cartridge heaters, refer to Section 8.2, page 10. 9. Refit sensor covers – refer to Section 7.2, page 8. Fig. 8.1 Replacing flange block cartridge heaters (100 W) Endura AZ40 | Sensor assembly | Heater and thermocouple kit | INS/ANAINST/008-EN Rev. B...
  • Page 10 Section 8.3, page 11. To refit sensor covers refer to Fig. 8.2 Replacing CO heater block cartridge heaters (70 W) Section 7.2, page 8. 11. Refit sensor covers – refer to Section 7.2, page 8. INS/ANAINST/008-EN Rev. B | Endura AZ40 | Sensor assembly | Heater and thermocouple kit...
  • Page 11 9 10 11 12 13 14 15 16 17 18 19 20 9 10 O2 HTR WHT+ O2 SEN BLK O2 HTR WHT– Fig. 8.3 Removing the O sensor Endura AZ40 | Sensor assembly | Heater and thermocouple kit | INS/ANAINST/008-EN Rev. B...
  • Page 12 200 °C [392 °F]) to the thread of screw E and use a small flat-headed screwdriver to secure screw E with attached thermocouple retaining washer F to CO heater block G. INS/ANAINST/008-EN Rev. B | Endura AZ40 | Sensor assembly | Heater and thermocouple kit...
  • Page 13 Wire color Terminal no. Cable type Connection White / Grey COBK T/C WHT+ Signal Empty COBK T/C BLK– Fig. 8.4 Replacing CO heater block thermocouple (T/C 1) Endura AZ40 | Sensor assembly | Heater and thermocouple kit | INS/ANAINST/008-EN Rev. B...
  • Page 14 200 °C [392 °F]) to the thread of cartridge heater / thermocouple retainer screw D and use a small flat-headed screwdriver to secure cartridge heater / thermocouple retainer E to flange block C. INS/ANAINST/008-EN Rev. B | Endura AZ40 | Sensor assembly | Heater and thermocouple kit...
  • Page 15 Wire color Terminal no. Cable type Connection Grey FLBK T/C WHT+ Signal White / Black FLBK T/C BLK– Fig. 8.5 Replacing flange block thermocouple (T/C 2) Endura AZ40 | Sensor assembly | Heater and thermocouple kit | INS/ANAINST/008-EN Rev. B...
  • Page 16 We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document.