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12
WARNING
To avoid the risk of electric shock, do not touch the power supply plug and its surroundings with
wet hands.
Avoid any pulling or excessive bending of the power supply cable or the float switch, as this may
cause a water leak and abnormal heat generation.
Avoid using the pump while it is placed on its side or suspended, as this may reduce service
life or result in a breakdown of the pump.
Avoid installing the pump where the wall or other obstacles interferes with the float switches.
Check if there is any abnormal sound or any other abnormality immediately after starting the
pump. If any abnormality is noted, turn off the pump immediately and follow the instructions specified
in “9. Troubleshooting.”
Note:
The tank is to be vented in accordance with local plumbing codes. The pump is not to be installed in
locations classified as hazardous in accordance with National Electrical Code ANSI/NFPA70
.
5 Electrical
wiring
CAUTION
Before inserting the power plug or connecting the wires to the terminal board, make sure that the
power supply (i.e. circuit breaker) is properly disconnected.
All electrical work must be performed by an authorized electrician. Never allow an unauthorized
person to perform electrical work.
For the sewage pump: CR Series
NOTICE
NOTICE
To avoid the risk of impeller lock and abrasive, do not install the pump on the sandy soil directly.
Especially, installing the pump inside the pond is prohibited. The pump must be installed in the tank
which takes water through the intake channel from the pond.
2 NPT Flange Type
Install the pump and connect it to the piping as shown in Fig. 2.
Содержание NORUS CR series
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