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HSS Series Split System,
1
1
/2 to 5 Tons
HTS Series Split System,
Two Stage, 2-5 Tons
Outdoor Split
Geothermal Heat Pumps
Installation, Operation &
Maintenance Instructions
Revision: 23 June, 2008
Model Nomenclature 3
Safety 4
Storage 5
Pre-Installation 5
Equipment Selection 6
Air Coil Match-ups 6-7
Air Handler Selection 8
Installation 9
Water Connections 10-11
Ground Loop Applications 11-13
Open Loop - Ground Water Systems 14-15
Water Quality Standards 16
Refrigeration Installation 17-22
Lineset Information 17
Internal Hot Water Generator 23-24
Hot Water Generator Module 25-26
Electrical - Line Voltage 27-28
Power Wiring 28
Electrical - Low Voltage Wiring 29-31
Low Water Temperature Cutout Selection 31
Water Valve Wiring 31
Thermostat Wiring 31
CXM Controls 32-34
CXM Safety Features 33
Unit Start-Up and Operating Conditions 36
Unit Start-Up
and System Checkout Procedure 37-38
Unit Operating Conditions 39-41
Preventive Maintenance 42
Troubleshooting 43-44
Functional & Performance Troubleshooting 45-46
Refrigerant Circuit Diagram 47
Revision Log 48
Table of Contents