Servicing; Sensor Replacement - Honeywell 3000 MkII-Series Technisches Handbuch

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SERIES 3000 MKII TECHNICAL MANUAL

15. Servicing

Take care when handling sensors as they may contain corrosive solutions.

Do not tamper or in any way disassemble the sensor. Do not expose to

temperatures outside the recommended range. Do not expose sensor to

At the end of their working life, sensors must be disposed of in an

environmentally safe manner. Disposal should be according to local waste

management requirements and environmental legislation. Alternatively,

sensors may be securely packaged and returned to Honeywell Analytics

clearly marked for environmental disposal. Sensors should NOT be

Caution: The following procedure should be followed carefully and only

A fault condition will be signalled by the detector if the sensor is removed

Caution: For biased sensors (e.g. Nitric Oxide and Ethylene Oxide) remove the

sensor stabilizer from the bottom of the sensor prior to installation.

Using diagram 13 as a guide, follow the procedure below:

1. Check that the label on the new sensor is the correct gas type.

2. Enter the change sensor menu (see section 12).

3. Unscrew the weatherproof cover, loosen the retainer locking screw and unscrew the sensor retainer.

4. Remove the old sensor by pulling without twisting.

5. Plug in the new sensor taking care to align the sensor pins with the connector.

6. Refit the sensor retainer, tighten the locking screw and refit the weatherproof cover.

7. Countdown time of up to 180 seconds (dependant on sensor type) is displayed.

8. Re-calibrate the detector following the procedures in section 8.2.

WARNINGS

organic solvents or flammable liquids.

incinerated as they may emit toxic fumes.

performed by suitably trained personnel.

with the unit under power.

S3KMKIIMAN_MAN0878_Issue 8_08/2015

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