Service manual

6.4.3 Basic Control Card Voltage Test 53
6.4.4 Input Imbalance of Supply Voltage Test 54
6.4.5 Input Waveform Test 54
6.4.6 Output Imbalance of Motor Supply Voltage Test 55
6.4.7 Input Terminal Signal Tests 55
6.5 Initial Start Up Or After Repair Drive Tests
56
7 H-Frame Size Disassembly and Assembly Instructions
57
7.1 Electrostatic Discharge (ESD)
57
7.2 General Disassembly Procedure
57
7.3 H6 Frame Size Disassembly and Assembly Instructions
57
7.3.1 Control Card and Control Card Mounting Plate 57
7.3.2 Heatsink Fan Assembly 58
7.3.3 DC Coil 59
7.3.4 DC Link Card 59
7.3.5 RFI Filter 60
7.3.6 Power Card 60
7.4 H7 Frame Size Disassembly and Assembly Instructions
61
7.4.1 Control Card and Control Card Mounting Plate 61
7.4.2 Power Card 62
7.4.3 Inrush Card 62
7.4.4 RFI Filter 63
7.4.5 Relay Transducer Card 63
7.4.6 Rectifier Modules 64
7.4.7 IGBT 64
7.4.8 Heatsink Fan Assembly 65
7.4.9 DC Coil 65
7.4.10 Capacitor Bank 66
7.5 H8 Frame Size Disassembly and Assembly Instructions
66
7.5.1 Control Card and Control Card Mounting Plate 66
7.5.2 Power Card 67
7.5.3 Inrush Card 68
7.5.4 Rectifier Modules 68
7.5.5 RFI Filter 69
7.5.6 Relay Transducer Card 70
7.5.7 IGBT 70
7.5.8 Heatsink Fan Assembly 71
7.5.9 DC Coil 72
7.5.10 Capacitor Bank 72
7.6 H10 Frame Size Disassembly and Assembly Instructions
73
7.6.1 Control Card and Control Card Mounting Plate 73
Contents
VLT
®
HVAC Basic Drive Service Manual
MG90X202 - VLT
®
is a registered Danfoss trademark 3