Water Monitoring System
User Manual
Page
74
of 82
Ver. 1.1 – Revision March 2022
System type
Water monitoring system
MI6200-0002
Task:
Turbidity light source replacement
Task description:
This instruction describes how to replace it. The Turbidity sensor light
source may only be replaced by a trained technician.
Difficulty 1-5
Overhaul interval
Estimated time consumption
Every 5 years
10 min.
Spare Parts
Tools
Part no:
Description:
Item:
02385
Light source
None
Procedure
1. Turn OFF the WMS by switching the MAIN SWITCH on the right
side of cabinet to “O” position.
2. Unscrew the black end cover on the emitter
(A).
3. Disconnect the emitter light source connector (B) from receptacle
J2 on the print.
4. Gently squeeze the retaining tabs
(C)
together and pull to withdraw
the light source
(D)
from its housing
(E)
.
5. Carefully remove the replacement light source from its packaging –
be careful not to touch the light bulb itself.
6. Insert replacement light source
(D)
into the housing
(E)
. Ensure the
tab on the light source (F) enters the slot in the housing. Press until
the light source clicks into place.
7. Connect the light source connector
(B)
to receptacle J2 on the print
– make sure the connector tap is orientated correctly.
8. Ensure that the end cap O-rings
(G)
are undamaged and in correct
position.
9. Refit end caps on emitter and receiver.
10. Now a calibration procedure must be performed – please follow
the calibration instructions in this user manual.
Photos:
MI6200-0002