Generac Power Systems HTS User Manual

Table of Contents
Automatic Transfer Switch Owner’s Manual iii
Section 1 Safety
1.1 Introduction ....................................................1
1.2 Safety Rules ...................................................1
1.3 Safety Symbols and Meanings .....................2
Section 2 General Information
2.1 Equipment Description .................................3
2.1.1 Automatic Transfer Switch .................................3
2.1.2 Transient Voltage Surge Suppression ................3
2.1.2.1 Modes of Protection.............................................. 3
2.1.2.2 Ratings ................................................................. 3
2.1.2.3 Certification........................................................... 3
2.1.2.4 TVSS Disconnect ................................................. 3
2.1.2.5 Status Indicators................................................... 3
2.1.2.6 Remote Alarm Contacts........................................ 4
2.2 Communications ............................................4
2.2.1 G and H Panel Generators .................................4
2.2.2 Non G and H Panel Generators .........................4
2.3 Operation With Loss of Communications ...4
2.4 Transfer Switch Data Label ...........................5
2.5 Transfer Switch Enclosure ...........................5
2.6 Safe Use of Transfer Switch .........................5
Section 3 Installation
3.1 Introduction to Installation ...........................7
3.2 Unpacking ......................................................7
3.3 Mounting .........................................................7
3.4 Connecting Power Source and Load Lines .7
3.4.1 Transfer Mechanisms (100-400A) ......................7
3.4.2 Transfer Mechanisms (600-2600A) ....................8
3.5 Transfer Mechanism ......................................8
3.5.1 100-400A Models ...............................................8
3.5.2 600-2600A Models .............................................8
3.6 Transfer Mechanism Operation ....................8
3.6.1 100-400A Models ...............................................8
3.6.2 600-2600A Models .............................................8
3.7 Main Contacts at Normal (Utility) .................9
3.8 Main Contacts at Neutral ...............................9
3.9 Main Contacts at Standby (Emergency) ...... 9
3.10 Connecting Controller Communication
Wires ..................................................................... 9
3.11 Setting Dip Switches ................................... 9
3.11.1 Dip Switch 1 ...................................................10
3.11.2 Dip Switch 2 ...................................................10
3.11.3 Switches 2 to 6 ...............................................10
3.11.4 Switches 7 and 8 ............................................10
3.11.5 Synchronization Limits ...................................10
3.11.6 Voltage Limits .................................................10
3.12 Programming ............................................. 11
3.13 Auxiliary Contacts ..................................... 11
Section 4 Operation
4.1 Functional Tests and Adjustments ............ 13
4.2 Manual Operation ........................................ 13
4.2.1 100 - 400 Amp Models .....................................14
4.2.1.1 Close to Normal Source Side ............................. 14
4.2.1.2 Close to Standby Source Side............................ 14
4.2.1.3 Return to Normal Source Side............................ 14
4.2.2 600 - 2600 Amp Models ...................................14
4.2.2.1 Trip to Neutral Position ....................................... 14
4.2.2.2 Close to Emergency Source Side....................... 14
4.2.2.3 Close to Normal Source Side ............................. 15
4.3 Voltage Checks ............................................ 15
4.4 Electrical Operation .................................... 16
4.5 Switches and Indicators ............................. 16
4.5.1 System Ready LED ..........................................17
4.5.2 Standby Operating LED ...................................17
4.5.3 Switch Position LEDs .......................................17
4.5.4 Utility Available LED .........................................17
4.5.5 Test Switch and Curtailment Input ...................17
4.5.6 Fast Test Button ...............................................17
4.5.7 Return to Normal Switch ..................................17
4.5.8 Maintenance Disconnect Switch
(Auto/Manual) ...................................................17
4.6 Sequence of Operation ............................... 17
4.6.1 Sequence 1 - Utility Voltage Dropout ...............17
4.6.2 Sequence 2 - Line Interrupt Delay ....................18
4.6.3 Sequence 3 - Engine Minimum Run and Engine
Warmup Timers ...............................................18
Table of Contents

Generac Power Systems HTS Specifications

General

Brand	Generac Power Systems
Model	HTS
Category	Switch
Language	English