
OPERATION AND MAINTENANCE MANUAL
MAC-HS MOTORS
PAGE: 3
CODE: CTT32 EDITION: 04 RELEASE: SEPTEMBER 2020
Subject to technical changes without prior notice
3.7.1 Windings and insulation _____________________________________________________________________ 27
3.7.2 Connections ______________________________________________________________________________ 27
3.7.3 Power-supply conditions_____________________________________________________________________ 28
3.7.4 Standard thermal protection __________________________________________________________________ 29
3.7.5 Thermal sensors___________________________________________________________________________ 30
3.7.6 Anti-condensation heaters ___________________________________________________________________ 31
3.7.7 Fan and pressure gauge ____________________________________________________________________ 31
3.8 Accessories___________________________________________________________________________________ 32
3.8.1 Feedback sensors _________________________________________________________________________ 32
3.8.2 Provision for torque flange assembly ___________________________________________________________ 33
3.8.3 Blocking device____________________________________________________________________________ 33
3.8.4 Provision for accelerometer assembly __________________________________________________________ 34
3.8.5 Noise level _______________________________________________________________________________ 34
4. SHIPMENT, RECEPTION, TRANSPORT AND STORAGE 35
4.1 Shipment_____________________________________________________________________________________ 35
4.2 Reception ____________________________________________________________________________________ 35
4.3 Transport_____________________________________________________________________________________ 36
4.4 Storage ______________________________________________________________________________________ 37
5. INSTALLATION AND START-UP 38
5.1 Motor installation _______________________________________________________________________________ 38
5.1.1 Site _____________________________________________________________________________________ 38
5.1.2 Mounting_________________________________________________________________________________ 39
5.1.3 Machine coupling __________________________________________________________________________ 40
5.2 Electrical connections ___________________________________________________________________________ 42
5.2.1 Connection strips and terminals _______________________________________________________________ 43
5.2.2 Connection diagrams _______________________________________________________________________ 44
5.2.3 Power cables _____________________________________________________________________________ 46
5.2.4 Connections for the fan, thermal sensors and accessories __________________________________________ 48
5.2.5 Final checks ______________________________________________________________________________ 48
5.3 Start-up ______________________________________________________________________________________ 49
5.3.1 Preliminary checks _________________________________________________________________________ 49
5.3.2 Start-up__________________________________________________________________________________ 50