Automatic Transfer Switch Owner’s Manual iii
Table of Contents
Section 1: Safety
Introduction ..........................................................1
Read This Manual Thoroughly ....................................1
Safety Rules .........................................................1
Electrical Hazards ................................................2
General Hazards ..................................................3
Section 2: General Information
Unpacking ............................................................5
Equipment Description .......................................5
Transfer Switch Mechanism (RXU Models Only) ........5
Utility Service Circuit Breaker ......................................6
Transfer Switch Data Decal ................................6
Transfer Switch Enclosure .................................6
Safe Use of Transfer Switch ...............................6
Load Management Options .................................6
Smart A/C Module (SACM) .........................................6
Application Considerations ..........................................7
Accessories ..........................................................8
Section 3: Installation
Introduction to Installation .................................9
Mounting ...............................................................9
Open Enclosure ...................................................9
Connecting Power Source (RBU and RXUW) .10
Connecting Alternate Power Source (RXUW
Only) ....................................................................11
Connecting Start Circuit Wires .........................13
Connecting SACM .............................................13
Control of Air Conditioner Load .................................13
Auxiliary Contact ...............................................14
Fault Current Label ............................................14
Install Transfer Switch and SACM Kit
(RBU Only) ..........................................................15
Section 4: Operation (RXUW Models Only)
Functional Tests and Adjustments .................. 17
Manual Operation .............................................. 17
Close to Utility Source Side .......................................17
Close to Generator Source Side ...............................18
Return to Utility Source Side .....................................18
Voltage Checks .................................................. 18
Utility Voltage Checks ...............................................18
Generator Voltage Checks ........................................18
Generator Tests Under Load ............................ 18
Checking Automatic Operation ........................ 19
Installation Summary ........................................ 19
Shutting Generator Down While Under Load
or During a Utility Outage ................................. 19
Preparing for Maintenance ............................... 20
Testing The SACM ............................................. 20
SACM Fuse Service ........................................... 20
Section 5: Drawings and Diagrams
Installation Drawings ........................................ 21
No. A0000258227-A: 150-200A SER METER
MAIN .........................................................................21
Interconnection Drawings ................................ 22
No. A0000258228-A (Part 1 of 2)—Liquid-Cooled
Generator ..................................................................22
No. A0000258228-A (Part 2 of 2)—Air-Cooled
Generator ..................................................................23
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