Lenze MCH Series - Manual (Page 3)

Contents
1 GENERAL ..........................................................................................................................................................1
1.1 PRODUCTS COVERED IN THIS MANUAL .............................................................................1
1.2 PRODUCT CHANGES .................................................................................................................1
1.3 WARRANTY ...................................................................................................................................1
1.4 RECEIVING .....................................................................................................................................1
1.5
CUSTOMER MODIFICATION ....................................................................................................1
1.6 SAFETY INFORMATION .............................................................................................................2
1.6.1
EXPLOSION PROOF APPLICATIONS ...................................................................2
1.6.2 EN 61800-5-1 COMPLIANCE.................................................................................2
1.6.3 PICTOGRAPHS USED IN THESE INSTRUCTIONS: ...........................................3
2 MCH SPECIFICATIONS .................................................................................................................................4
3 MCH MODEL DESIGNATION CODE .........................................................................................................5
4 MCH DIMENSIONS ........................................................................................................................................6
4.1
TYPE 1 DIMENSIONS (Models up to 30HP)........................................................................6
4.2 TYPE 1 DIMENSIONS (Models above 30HP) ......................................................................8
4.3 CONDUIT HOLES AND MOUNTING TAB DETAIL ..............................................................9
4.4 TYPE 4, 4X & 12 DIMENSIONS (Models up to 30HP) ......................................................10
4.5 TYPE 12 DIMENSIONS (Models above 30HP) ...................................................................12
5 MCH RATINGS .................................................................................................................................................13
6 THEORY.............................................................................................................................................................16
6.1 DESCRIPTION OF AC MOTOR OPERATION .........................................................................16
6.1.1
VARIABLE TORQUE VS. CONSTANT TORQUE ..................................................17
6.2 DRIVE FUNCTION DESCRIPTION ...........................................................................................18
6.2.1
DRIVE OPERATION ...................................................................................................18
6.2.2 CIRCUIT DESCRIPTION ...........................................................................................18
6.2.3 MCH INPUTS & OUTPUTS ......................................................................................19
7 INSTALLATION ................................................................................................................................................20
7.1 INSTALLATION AFTER LONG PERIOD OF STORAGE ........................................................21
7.2 EXPLOSION PROOF APPLICATIONS......................................................................................21
8 INPUT AC REQUIREMENTS .........................................................................................................................22
8.1
INPUT AC POWER REQUIREMENTS ......................................................................................22
8.1.1 VOLTAGE .....................................................................................................................22
8.1.2
SUPPLY TRANSFORMER kVA RATINGS ..............................................................22
8.2 INPUT FUSING AND DISCONNECT REQUIREMENTS ......................................................22
9 VOLTAGE SELECTION ...................................................................................................................................23
10 POWER WIRING ..............................................................................................................................................23
11 MCH POWER WIRING DIAGRAM ..............................................................................................................24
12 INITIAL POWER UP ........................................................................................................................................25
13 KEYPAD CONTROL ........................................................................................................................................27
13.1
KEYPAD FUNCTIONS (in Keypad H/O/A mode) ...............................................................27
13.2 MCH DISPLAY ...............................................................................................................................28
13.2.1 MCH DISPLAY IN STOP MODE .............................................................................28
13.2.2 MCH DISPLAY IN RUN MODE ...............................................................................29
13.2.3 MCH DISPLAY IN FAULT MODE ............................................................................30
13.2.4 MCH DISPLAY IN AUXILIARY MODE ..................................................................31