Table of Contents
1 Before You Begin ....................................................................................................................1
1.1 About This Manual .................................................................................................................... 1
1.2 Document Conventions ............................................................................................................ 1
1.3 Acronyms .................................................................................................................................. 1
1.4 About the MSEV Series and the USHX ...................................................................................... 2
2 Mechanical Installation ...........................................................................................................4
2.1 Installing a MSEV Series Valve .................................................................................................. 4
2.2 Installing the USHX .................................................................................................................... 6
3 Electrical Wiring .................................................................................................................... 10
3.1 Single USHC and MSEV Series Valve or Single USHS ............................................................... 10
3.2 Multiple USHCs and MSEV Series Valves or Multiple USHSs .................................................. 12
4 Troubleshooting ..................................................................................................................... 17