Figure 35. Assembled electric machine
Cooling connections
Make sure that cooling liquid runs freely into and out from the machine.
Cooling connectors have G1/2 bores, depth 18.
Connect the electric machine properly to the cooling circuit. Ensure that the coolant ow is equal
or higher than rated and the coolant temperature at the inlet of the machine cooling is lower or
equal to the rated temperature. For more information, see Chapter
product data sheet. Rated values can be found in the electric machine rating plate.
It is recommended to use coolant connector equipped with o-ring seal or to use sealing washer
(for example Usit or Bonded seals) in the connection. In addition, it is recommended to use thread
sealant (Loctite 577 or similar) at the coolant connections to prevent loosening. Loosening can be
caused by vibration or temperature variations.
The electric machines are equipped with at least three PT100 temperature sensors in the windings.
The amount of the sensors depend on the options chosen. The temperature signal(s) can be read
out from the measurement connector of the machine.
You can connect the temperature signal to the temperature monitoring pin in the inverter (EC-C)
and make sure that the inverter has the machine temperature protection feature activated.
EM-PME375
6. Installation
44 |
©
Danfoss | Produced By: Danfoss Power Solutions | July 2019
| BC265857345808en-000101
Summary of Contents for EM-PME375 Series
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