Watson-Marlow qdos 20, Инструкция по эксплуатации

Страница: 59 / 235

11.2.7 Earth continuity testing using the earth bond test point
Earth continuity from the power plug to the pump must be tested at the earth bond test point ( ) is located on
the back of the pump. The location is illustrated in the image below:
Do not use the earth bond for any other connection. Do not attempt to disassemble the Earth Bond test point
NOTICE
Do not perform an earth continuity test using the motor shaft instead of the earth bond test point, as high
current will damage the motor bearings. Always use the earth bond test point to perform earth continuity
testing.
11.3 Direct current (DC) power
This section will provide information on connection to a 12-24V DC power supply for DC power supply models
11.3.1 Power specification requirements
Only connect to a DC power supply which meets the specification in the table below.
DC (Direct Current)
Supply voltage 12-24 V DC
Power consumption
130 W (12V DC)
180 W (24V DC)
11 INSTALLATION: PART 2 (ELECTRICAL POWER) 59