Electrical Connection - Grundfos ALPHA CS Installation And Operating Instructions Manual

6.4.4 Checking for proper pump and bypass
valve operation
After installing the pump and the bypass valve,
connect the pump to the power supply and check
the installation as follows:
1. Close the angle stop valve for the cold water
below the sink.
2. Open the cold-water faucet.
3. Check that when you turn on the cold-water
faucet, the flow of cold water gradually
decreases and stops as the bypass valve
closes.
4. Check that when you turn on the hot-water
faucet, hot water will flow within seconds.

7. Electrical connection

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
‐
Connect the product only to a
properly grounded receptacle.
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
‐
Use of the product on a circuit
equipment with a GFCI can cause
improper operation of the GFCI.
Consult an electrician and observe
all national, state and local
electrical regulations, as applicable.
• The pump is electronically protected
and therefore requires no external motor
protection.
• Check that the supply voltage and frequency
correspond to the values stated on the
nameplate.
• Connect the pump to the power supply with
the power connector supplied with the pump.
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