Install Manual

Automatic Transfer Switch Owner’s Manual iii
Section 1: Safety
Introduction ..........................................................1
Safety Rules .........................................................1
Safety Symbols and Meanings ...........................1
Electrical Hazards ................................................2
General Hazards ..................................................3
Section 2: General Information
Applications .........................................................5
Unpacking ............................................................5
Equipment Description .......................................5
Transfer Switch Mechanism ...............................5
Utility Service Circuit Breaker (if equipped) .................6
Transfer Switch Data Decal ................................6
Transfer Switch Enclosure .................................6
Safe Use of Transfer Switch ...............................6
Load Management Options .................................6
PWRcell ATS Controller ..............................................6
Smart Management Module (SMM) ............................7
Application Considerations ..........................................7
Current Transformers ..................................................8
Section 3: Installation
Introduction to Installation .................................9
Inverter Versions Compatibility ..........................9
Mounting ...............................................................9
Open Enclosure ...................................................9
Connecting Utility and Standby Power ...........10
Connecting the ATS Control Cable ..................11
Connecting the Current Transformer (CTs) ....14
Connecting PWRcell ATS Controller ...............14
Control of Air Conditioner Load .................................14
Connecting the Grid Sense Wires ....................14
Manual Override Button ...................................14
Configuring the Inverter ....................................14
Fault Current Label ............................................15
Section 4: Operation
Functional Tests and Adjustments .................. 17
Manual Operation .............................................. 17
Close to Utility Source Side .......................................17
Close to Inverter Source Side ...................................18
Return to Utility Source Side .....................................18
Voltage Checks .................................................. 18
Utility Voltage Checks ...............................................18
Inverter Voltage Checks ............................................18
PWRcell Voltage Tests ...................................... 18
Inverter Tests Under Load .........................................18
Maintenance ....................................................... 19
Testing the PWRcell ATS Controller ............... 19
PWRcell ATS Controller Fuse Service ............ 19
Testing The SMM ............................................... 19
Section 5: Drawings and Diagrams
Installation Drawings ........................................ 21
Interconnection Drawings ................................ 23
Table of Contents