Download IOMM 1159 Variable Frequency Drives

Table of Contents
Control Sequence, MicroTech 200................. 40
WDC/WCC, Dual Compressor VFD Operation41
MicroTech 200 Controller VFD Menu Screens41
Introduction .......................................... 3
VFD Sizes/Mounting/Cooling Type................. 4
Short Circuit Current Ratings (SSCR) ............. 5
Environmental Conditions ............................... 6
Harmonic Distortion ........................................ 6
MicroTech II VFD Control ............ 47
General Description: ...................................... 47
Sequence of Operation ................................... 47
Interface Panel Screens, MT II ...................... 49
General Description.............................. 6
Codes/Standards .............................................. 7
Quality Assurance ............................................ 7
Air/Water-Cooled, Nomenclature .................... 7
LiquiFlo 2.0, Nomenclature ............................. 7
Operation, VFD011-043, (PF755)...... 54
Using the Interface ......................................... 54
Faults and Alarms........................................... 56
Troubleshooting ............................................. 57
Installation ............................................ 9
Operation, 575V VFD029-106 ........... 58
Cooling Requirements for VFDs ................... 11
Cooling Module LF VFD 090-120, all LF 2.014
Wiring, General ............................................. 17
Power Wiring ................................................. 18
Terminal Sizes ............................................... 20
Optional Line Reactor Installation ................. 22
Remote Line Reactor Dimensions ................. 24
VFD/Chiller Interconnection Wiring Diagram27
Power Factor Correction ................................ 28
Using the Interface ......................................... 58
Using the LEDs .............................................. 61
Faults and Alarms........................................... 61
Troubleshooting ............................................. 68
Operation, LF 2.0 ............................... 71
Using the Interface ......................................... 71
Using the LEDs .............................................. 73
About Alarms ................................................. 75
About Faults ................................................... 77
Troubleshooting ............................................. 83
VFD Dimensions ................................. 29
Air-Cooled ..................................................... 29
LiquiFlo 2.0 ................................................... 35
Operation, LF ..................................... 87
Controls ............................................... 37
Using the Interface ......................................... 87
Using the LEDs .............................................. 90
Troubleshooting ............................................. 92
Definition of Terms ........................................ 37
MicroTech 200 VFD Control.......... 39
VFD Chiller Control States ............................ 39
CERTIFICATIONS
UL508C, CAN/CSA-C22.2
EMC Directive (2004/108E/C
EPRI SEMI F47, IEC 61000-4-34.
TUV Rheinland
Manufactured in an ISO Certified facility
© 2013 Daikin Applied. Illustrations and data cover the McQuay product at the time of publication and we reserve the right make
changes in design and construction at anytime without notice. ™® The following are trademarks or registered trademarks of their
respective companies: BACnet from ASHRAE; LONMARK, LonTalk, LONWORKS, and the LONMARK logo are managed, granted
and used by LONMARK International under a license granted by Echelon Corporation Modbus from Schneider Electric; MicroTech II,
Open Choices, from McQuay International. *
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IOMM 1159