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5.9 Connect to the emergency stop circuit
An emergency stop must be wired to the drive STO contact to safely stop the motor in
case of an emergency. Refer to
5.10 Connect and set up the cooling water
WARNING:
Do not turn on the cooling water supply until the completion of the electrical
installation of the dry pumping system or condensation may form inside the
enclosure and there may be a risk of electric shock.
CAUTION:
Remove both the outer dust caps and inner plastic plugs from the water inlet and
outlet fittings before connecting the cooling water hoses.
CAUTION:
Do not apply excessive torque to the water fittings when connecting the water supply
to the dry pumping system as this may cause damage to the manifold. Use a suitable
spanner to prevent the bulkhead fittings on the dry pumping system from turning
while tightening up the connectors.
Notes:
1. For optimum water cooling, ensure that the cooling water supply meets the
specification given in
connected in parallel. Refer to
2. For minimum water consumption, regulate the cooling water flow to the dry pumping
system.
The dry pumping system is supplied with blue plastic dust caps fitted over the outside of
the water inlet and outlet fittings and with red plastic plugs fitted inside these water
fittings. Ensure that both sets of plastic plugs are removed before connecting the cooling
water hoses. Refer to
plastic plugs for future use.
A41870880_A
A41870880_A - Installation
Figure: Service diagram
Cooling-water data
on page 22. Ensure that the water supplies are
Rear view
on page 12.
Figure: Remove the plastic plugs from the water
Page 44
and connection (terminal).
fittings. Retain the
07/2021 - ©Edwards Limited
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