Wilo-Stratos ECO

English
8 Starting-up
WARNING! Risk of burning!
Note the acute danger of the pump becoming very hot,
depending on the operating conditions of the pump or system
respectively (fluid temperature). Danger of burning
when touching the pump!
8.1 Initial start-up
Ensure that the pipe system is properly filled and air-vented.
The pump rotor space is automatically vented after a short
running period. Short-term dryrunning will not do harm to
the pump. If, however, manual venting of the pump may
become necessary (not apply for air-venting pump) the following
procedure is to be adopted:
• switch-off pump,
• close discharge isolating valve,
WARNING! Risk of scalding!
Depending on fluid temperature and system pressure there
is the possibility of hot water in liquid or gaseous state
suddenly erupting under great force when opening the
vent plug. Note the severe danger of scalding!
• break through the perforation, centrically the name plate and
open the vent screw carefully,
• protect electrical parts from released water,
• carefully move and push pump shaft with a screwdriver,
CAUTION! Risk of damage to the pump!
There is the possibility, depending on the system pressure,
of the pump jamming with the vent plug open. Before
switching on the pump refit and tighten the vent plug.
• refit and tighten vent plug,
• reopen discharge valve,
•switch on pump.
12 WILO SE 02/2009