22
12.2 Assembly
Ensure that drain piping has free outlet to atmosphere and is protected
from pressure peaks.
•
Firmly screw on drain valve with sealing ring (2) on existing unit.
•
Cutting ring connection:
Assemble drain piping (tube ø 12x1 material
St 35.8) on provided drain connection (14) as
per DIN 2353 (SW24) (on the part of the
builder).
Welding end:
weld on
Flange:
screw on
•
Limit switch (15) is already adjusted (factory-made).
•
Carry out electrical connection of limit switch.
Connection cable BIHF 3 x 0,75 or 4 x 0,75.
12.3 Commissioning
Rust, sand or similar impurities inside of the medium or during first flushing can cause leakage
if they remain in the area of the seat.
Purging of valve:
•
Fully open valve for purging. The pre-pressed packing can lose its denseness due to a
longer storage (see chapter 11.4)
•
Close valve.
12.4 Maintenance
Before carrying out maintenance works on drain valve, unit has to be
pressureless and empty!
Severe burns and scalding’s on the whole body are possible!
Re-tightening of gland packing:
•
If a valve is leaky, tighten screw cap (8) with open-end wrench (AF27) clockwisely until
valve is tight. Spindle (4) has to stay movable.
•
Change packing if re-tightening of packing was not successful.
Danger
Danger
Содержание BA14
Страница 27: ...27 15 Declaration of Conformity...
