VAT 653 Series User Manual

Series 65 INSTALLATION
963283EA Edition 2019-05-03 27/1
29
4.3.1 Ground connection
Recommendation for ground strap between controller and system chassis.
Material L (Length max.) B1 (min.) B2 (min.) d1 (
∅
) d2 (
∅
)
copper tinned 200 mm 25 mm 25 mm 4.5 mm customized
sample picture
Connection plates of ground strap must be total plane for a good electrical contact!
The connection point at chassis (FE) must be blank metal (not coated).
It is also possible to connect the ground strap at system chamber if it is well
connected to PE.
Avoid low chassis cross section to the system PE connection. (min. same cross
section as ground strap)
System
Valve controller
Ground
connection
Chassis (FE)
(Functional Earth)
B1
B2
d1
d2
L
Ground strap
PE
Recommended torque: 1,3…1,7Nm

VAT 653 Series Specifications

General

Brand	VAT
Model	653 Series
Category	Control Unit
Language	English