18
GOSSEN-METRAWATT
4.4
Tracing the entire building installation
Caution!
!
At first, disconnect the electric system on principle. *
➭
Getting started
:
Remove the bridge between PE and N in the main distribution board.
➭
Connection
:
Connect one socket of the transmitter to PE and the other one to the N
terminal in the main distribution board.
➭
Transmitter
:
Switch the transmitter on and select the required power.
➭
Receiver
:
Choose the
open circuit mode
. When searching for the line, proceed as
described under "General procedures for electrically dead lines" on page
16. You now can trace the neutral conductor in the entire building instal-
lation.
Caution!
!
The connection between PE and N must absolutely be restored after the measure-
ment. *
4.5
Tracing water and heating pipe lines and conduits
Caution!
!
At first, disconnect the electric system on principle. *
➭
Getting started
:
Disconnect the pipes from the ground connection
➭
Connection
:
Connect one test socket to ground, e.g. to the foundation earth elec-
trode or to the safety contact of the socket outlet, the other socket to the
corresponding pipe.
➭
Transmitter
:
Switch the transmitter on and select the required power.
➭
Receiver
:
Select the
open circuit mode
. When searching for the line, proceed as
described under "General procedures for electrically dead lines" on page
16.
Caution!
!
The original ground connection must absolutely be restored after the
measurement. *
* Must only be performed by an expert who, based on his education, knowledge and experience as well
as the knowledge of relevant specifications, can understand the work he his charged with and who
can recognize eventual dangers.