14
7. Assembly
Connect shutoff valves (W+D) only with horizontally orientated spindle;
the flow direction “
“ on the valves (W+D) has to point out into the
direction of the standpipe (13)!
Connect unit free of tension with switch housing (1) turned upwards to
the boiler studs equipped with shutoff valves.
Pay attention that the height of the LWL mark on the standpipe of the unit
corresponds to the one of the boiler!
7.1 Version with flange
•
Respect installation position!
•
Remove protection caps from connection flanges. Caps only serve as transport protection.
•
Ensure that sealing surfaces are clean and undamaged.
•
Use sealing material as per EN1514 and screws as per DIN2510 or DIN974 (material
1.7709).
•
Mount float switch.
7.2 Version with welding end
•
Respect installation position!
•
Remove protection caps. Caps only serve as transport protection.
•
Assembly only with welding process 111 (manual arc welding) and 141 (tungsten inert
gas welding).
7.3 Heat treatment of weldseams
Supplementary temper tests of weldseams are not required!
7.4 Drain piping
•
Check connection drain valve (14) / standpipe (13) and re-tighten if necessary.
•
Mount drain piping on drain valve (15).
Ensure that drain piping has free outlet to atmosphere and is protected
from pressure peaks!
•
Close valves.
Caution
Caution