Assembly; Installation - Siemens 1PH728 Operating Instructions Manual

Transport, assembly, and connection

3.2 Assembly

screw plugs. Depending on the type of installation, the water drain holes are located at the
bottom.
1. Remove the screw plugs or plastic plugs regularly to drain off the condensation water.
2. Replace the plugs afterwards.
3.2 Assembly
3.2.1

Installation

Instructions relevant to safety
The enclosure components of electric motors can become very hot (possibly > 100 °C). Do
not touch enclosure components while the motor is running or immediately after it has been
running.
CAUTION
When positioning temperature-sensitive components (wires etc.), make sure that they are
not in contact with the motor enclosure.
NOTICE
Note also the technical specifications on the rating plates on the motor enclosure.
Cooling conditions in general
● In the case of motors that are cooled by the ambient air, the cooling air must be able to
● Ventilation openings may only be covered by louvered covers in motors of those
26
NOTICE
Degree of protection
Nominally the degree of protection of the machine is reduced to IP44 by removing the
plastic plug or screw plug.
[ID 1079.02]
CAUTION
flow unimpeded to and from the motors. Hot discharged air must not be reinducted (see
also section "Cooling")
construction types in which the openings point downwards.
Siemens AG Operating Instructions 2.02 1PH728
A5E00177602A AD