9. For troubleshooting, see the section Fault
finding the product.
6.6.4 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.
5. For troubleshooting, see the section Fault
finding the product.
7. Electrical connection
DANGER
Electric shock
Death or serious personal injury
‐ All electrical work must be carried
out by a qualified electrician in
accordance with the latest edition
of the National Electric Code and
state, local codes and regulations.
DANGER
Electric shock
Death or serious personal injury
‐ Switch off the power supply before
starting any work on the product.
Make sure that the power
supply cannot be switched on
accidentally.
DANGER
Electric shock
Death or serious personal injury
‐ This pump is supplied with a
grounding conductor and
grounding-type attachment plug. To
reduce the risk of electric shock, be
certain that it is connected only to a
properly grounded, grounding-type
receptacle in accordance with the
National Electric Code and any
state, local governing codes and
regulations.
DANGER
Electric shock
Death or serious personal injury
‐ If national, state or local legislation
requires a GFCI (Ground Fault
Circuit Interrupter) or equivalent in
the electrical installation, this must
be type A or better, due to the
nature of pulsating DC leakage
current.
A Type-A GFCI is identified by this symbol:
TM072832
The motor is protected by the electronics in the
control box and requires no external motor
protection.
• Check that the supply voltage and
frequency of the installation site correspond
to the values stated on the pump.
• Only connect the pump to the power
supply with the line cord supplied with the
pump.
• Do not modify and only use the line
cord supplied.
13
English (US)
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