Equipment Description
iii
Revision 2 - 26 April, 2000
HP SERIES DIMMER
TECHNICAL MANUAL
Table of Contents
Table of Contents
1.0 Introduction
1.1
Mains supply wiring ............................................................................................ 1-1
1.2
Phase failure........................................................................................................ 1-2
1.3
Circuit breakers................................................................................................... 1-2
1.3.1
Overloads and Inrush ................................................................................ 1-3
1.3.2
Short Circuits............................................................................................ 1-3
1.4
Outdoor Systems................................................................................................. 1-3
2.0 Equipment Description
2.1
Front panel layout ............................................................................................... 2-1
3.0 Circuit Descriptions
3.1
Mains and Low Voltage power supplies .............................................................. 3-1
3.1.1
Mains Circuit Wiring:................................................................................ 3-1
3.1.2
Mains Radio Frequency Suppression ......................................................... 3-2
3.1.3
Neutral - Earth Voltage Detection............................................................. 3-2
3.1.4
Low Voltage Transformers ....................................................................... 3-3
3.1.5
Control Tone Rejection............................................................................. 3-3
3.1.6
Low Voltage DC Supplies ........................................................................ 3-3
3.1.7
Fan Control............................................................................................... 3-4
3.2
Phase control ...................................................................................................... 3-4
3.3
SCRs and triggering circuits ................................................................................ 3-4
3.4
Output chokes and filtering ................................................................................. 3-6
Summary of Contents for HP6
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