1
MSEV Series and USHX Hardware Installation Manual Rev 1.7
1
Before You Begin
1.1
About This Manual
The following table shows a summary of the sections in this document and their descriptions.
Table 1-1 Descriptions of the Sections in the Document
Section Title
Description
Before You Begin
This section provides preliminary information about the products.
Mechanical Installation
This section provides instructions about the mechanical installation
of the MSEV series and the USHX in the system.
Electrical Wiring
This section provides instructions about the electrical wiring of the
MSEV series valve and the USHX.
Troubleshooting
This section provides solutions to potential problems.
1.2
Document Conventions
The following table shows a list of symbols found in this document and their descriptions.
Table 1-2 Descriptions of Symbols in the Document
Symbol
Description
WARNINGS indicate that the action you are taking could either
cause injury to yourself or could harm your products and systems.
IMPORTANT NOTES appear in the text to indicate additional
information that should be noted.
1.3
Acronyms
The following table shows a list of acronyms used in this document.
Table 1-3 Acronyms and Abbreviations in the Document
Acronym
Description
MSEV
Modular Silicon Expansion Valve
HC-MSEV
High Capacity Modular Silicon Expansion Valve
VHC-MSEV
Very High Capacity Modular Silicon Expansion Valve
MSEV Series
MSEV, HC-MSEV and VHC-MSEV
MEMS
Microelectromechanical Systems
EEV
Electronic Expansion Valve
TXV
Thermostatic Expansion Valve
HVAC/R
Heating, Ventilation, Air Conditioning, and Refrigeration
USHX
Universal SuperHeat Controller or Sensor
USHC
Universal SuperHeat Controller
USHS
Universal SuperHeat Sensor
ID / OD
Inner Diameter / Outer Diameter
AC / DC
Alternating Current / Direct Current