Service - Grundfos ALPHA Installation And Operating Instructions Manual

Related information
9.3.1 Constant curve (zone pump)
9.3.3 Constant pressure (zone valve)
9.3.5 Proportional pressure (thermostatic radiator valve (TRV))
9.3.7 Constant flow

11. Service

WARNING
Electric shock
Death or serious personal injury
‐
All electrical connections must be carried out by a
qualified electrician in accordance with local
regulations.
WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply before you start any work
on the product. Make sure that the power supply
cannot be switched on accidentally.
WARNING
Electric shock
Death or serious personal injury
‐
A damaged product must be repaired or replaced by
Grundfos or a service workshop authorized by
Grundfos.
WARNING
Electric shock
Death or serious personal injury
‐
Connect the product only to a properly grounded
receptacle. See owner's manual.
WARNING
Pressurized system
Minor or moderate personal injury
‐
Before dismantling the pump, drain the
system or close the isolating valves on both sides of
the pump. Slowly loosen the screws and unpressurize
the system. The pumped liquid may be scalding hot
and under high pressure.
WARNING
Hot surface
Minor or moderate personal injury
‐
The pump housing may be hot due to the pumped
liquid being scalding hot. Close the isolating valves on
both sides of the pump and wait for the pump housing
to cool down.
CAUTION
Sharp element
Minor or moderate personal injury
‐
Wear protective gloves.
CAUTION
Crushing of feet
Minor or moderate personal injury
‐
Wear safety shoes when moving the product.
CAUTION
Radiation
Minor or moderate personal injury
‐
This equipment complies with FCC and ISED radiation
exposure limits set forth for an uncontrolled
environment. This equipment must be installed and
operated with a minimum distance of 20 cm (0.66 ft)
between the radiator and your body.
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