Table of Contents
Theory of Operation ______________________________________________________________ 8-5
Overview _____________________________________________________________________________ 8-5
Heating System ________________________________________________________________________ 8-5
Refrigeration System ____________________________________________________________________ 8-5
Troubleshooting _________________________________________________________________ 8-7
Refrigeration System Charging Instructions __________________________________________ 8-8
R-404A High-Stage Charge ______________________________________________________________ 8-8
R-508B Low-Stage Charge _______________________________________________________________ 8-8
Recommended Spare Parts ________________________________________________________ 8-9
Major Electrical Parts __________________________________________________________________ 8-10
Major Refrigeration Parts _______________________________________________________________ 8-10
General Parts _________________________________________________________________________ 8-10
EZ-Zone Limit Controller Setup Parameters ________________________________________ 8-11
Setup Menu __________________________________________________________________________ 8-11
Operations Menu ______________________________________________________________________ 8-11
Chapter 9 - Warranty ________________________________________________________ 9-1
Chapter 10 – Drawings ______________________________________________________ 10-1
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