Siemens NXAIR Operating Instructions Manual page 423

Fig. 749: Test unit
Preconditions
•
High-voltage door closed
•
Release for checking the overpressure monitors available
•
Uninterrupted communication established with the operator at the central control
•
Door to the low-voltage compartment open
•
Test unit available, locking cap firmly screwed on
Fig. 750: Low-voltage compartment,
for example with 2 overpressure monitors
Procedure
Detach the tube to the compartment (7) from the tube connector (6). To do this, push the
detachment ring (8) at opposite points towards the tube connector, and ─ at the same time ─
pull the tube to the compartment out of the tube connector in opposite direction.
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(5)
Overpressure monitor
(6) Tube connector
(7)
Tube to compartment
NXAIR / ≤ 40 kA
Service information
(1) Manometer
(2) Test tube
Lab bottle made
(3)
of polyethylene
(4) Locking cap
423