5.9 Connect to the emergency stop circuit
An emerg
ency stop must be wired to the drive STO contact to safely stop the motor in
case of an emergency. Refer to Figure: Service diagram and connecon (terminal).
5.10 Connect and set up the cooling water
WARNING:
Do not turn on the cooling w
ater supply unl the compleon of the electrical
installaon of the dry pumping system or condensaon may form inside the
enclosure and there may be a risk of electric shock.
CAUTION:
Remo
ve both the outer dust caps and inner plasc plugs from the water inlet and
outlet ngs before connecng the cooling water hoses.
CAUTION:
Do not apply ex
cessive torque to the water ngs when connecng the water supply
to the dry pumping system as this may cause damage to the manifold. Use a suitable
spanner to prevent the bulkhead ngs on the dry pumping system from turning
while ghtening up the connectors.
Notes:
1. For opmum wat
er cooling, ensure that the cooling water supply meets the
specicaon given in Cooling-water data on page 22. Ensure that the water supplies are
connected in parallel. Refer to Rear view on page 12.
2. For minimum water consumpon, regulate the cooling water ow to the dry pumping
system.
The dry pumping system is supplied with blue plasc dust caps ed over the outside of
the water inlet and outlet ngs and with red plasc plugs ed inside these water
ngs. Ensure that both sets of plasc plugs are removed before connecng the cooling
water hoses. Refer to Figure: Remove the plasc plugs from the water ngs. Retain the
plasc plugs for future use.
07/2021 - ©Edwards Limited
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