Endress+Hauser Proservo NMS81 - Page 24

Installation Proservo NMS81
24 Endress+Hauser
Displacer ground wire installation
Depending on the application and Ex requirements, electrical grounding of the displacer is
required. There are different procedures depending on the displacer type, which are described
below.
For details of displacer installation →  14
Standard displacer installation
1. Mount the displacer [3] on the wire ring [1].
2. Wind the securing wire [4] on the wire hook.
3. Wind the ground wire [2] between the washers [5] twice.
 If grounding is not required for non-explosion-proof applications, skip this step.
4. Secure the nut [6] with a wrench [7].
This completes the displacer installation procedure.
1
2
3
4
2
5
6
7
1. 2. 3. 4.
A0028694
 6 Displacer installation
1 Wire ring
2 Ground wire
3 Displacer
4 Securing wire
5 Washer
6 Nut
7 Wrench
PTFE displacer installation
1. Remove the screw [1] using a flathead screwdriver.
2. Mount the displacer [4] on the Teflon ring [2].