FC101 Design Guide

3.1.18 Condenser Pumps 23
3.1.19 The VLT Solution 23
3.1.20 Primary Pumps 24
3.1.21 The VLT Solution 24
3.1.22 Secondary Pumps 26
3.1.23 The VLT Solution 26
3.2 Control Structures
27
3.2.1 Control Structure Open Loop 27
3.2.2 PM/EC+ Motor Control 27
3.2.3 Local (Hand On) and Remote (Auto On) Control 28
3.2.4 Control Structure Closed Loop 28
3.2.5 Feedback Conversion 29
3.2.6 Reference Handling 30
3.2.7 Tuning the Drive Closed-loop Controller 31
3.2.8 Manual PI Adjustment 31
3.3 Ambient Running Conditions
31
3.4 General Aspects of EMC
37
3.4.1 Overview of EMC Emissions 37
3.4.2 Emission Requirements 39
3.4.3 EMC Emission Test Results 40
3.4.4 Overview of Harmonics Emission 42
3.4.5 Harmonics Emission Requirements 42
3.4.6 Harmonics Test Results (Emission) 42
3.4.7 Immunity Requirements 44
3.5 Galvanic Isolation (PELV)
44
3.6 Earth Leakage Current
45
3.7 Extreme Running Conditions
45
3.7.1 Motor Thermal Protection (ETR) 46
3.7.2 Thermistor Inputs 46
4 Selection and Ordering
48
4.1 Type Code
48
4.2 Options and Accessories
49
4.2.1 Local Control Panel (LCP) 49
4.2.2 Mounting of LCP in Panel Front 49
4.2.3 IP21/NEMA Type 1 Enclosure Kit 50
4.2.4 Decoupling Plate 52
4.3 Ordering Numbers
53
Contents
VLT
®
HVAC Basic Drive FC 101
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