4
Water Chemistry 3
Warnings 5
Pay Attention to These Terms 5
Introduction 6
Installation Considerations 6
Electrical Connections 7
Water Connections 9
Pressure Drop 9
Controls & Indicator Lamps
(Analog Models) 10
System Start-Up 11
Controls (Digital Models) 11
Digital Controls Operating
Instructions 12
To Select Pool or Spa Mode 12
To Increase the Desired Water
Temperature (Pool or Spa Mode) 12
To Lower Desired Water Temperature
(Pool or Spa Mode) 12
To Select Temperature in °C or °F 12
Heat/Cool Operation
(Model 6350HC Only) 12
System Start-Up 13
Seasonal Start-Up or
Annual Check 13
Summer Shutdown 13
Freeze Protection 13
System Drain-Down 13
Continuous Pump Operation 13
Maintenance 14
Air Coil Cleaning 14
Cabinet Care (optional) 14
Unplug Condensation Drain Holes 14
Troubleshooting 14
Service Call Verification 15
Power Supply 15
Water Flow 15
Time Clock Adjustment 15
Plumbing Diagrams 17
Wiring Diagram — 208V/230V
Single-Phase — Analog Models 21
Wiring Diagram — 208V/230V
Single-Phase — Digital Models 22
Wiring Diagram — 208V/230V
Three-Phase — Analog Models 23
Wiring Diagram — 208V/230V
Three-Phase — Digital Models 24
Wiring Diagram — 208V/230V
Single-Phase — Model 6350HC 25
Installing a Remote Control
Device 26
Wiring 26
Heater Settings 26
CONTENTS