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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
System Start-Up 12
Seasonal Start-Up or
Annual Check 12
Summer Shutdown 13
Freeze Protection 13
System Drain-Down 13
Continuous Pump Operation 13
Maintenance 13
Air Coil Cleaning 13
Cabinet Care (optional) 13
Unplug Condensation Drain Holes 13
Troubleshooting 14
Service Call Verification 15
Power Supply 15
Water Flow 15
Time Clock Adjustment 15
Plumbing Diagrams 16
Wiring Diagram — 208V/230V
Single-Phase — Analog Models 18
Wiring Diagram — 208V/230V
Single-Phase — Digital Models 19
Wiring Diagram — 208V/230V
3-Phase — Analog Models 20
Wiring Diagram — 208V/230V
3-Phase — Digital Models 21
Installing a Remote Control
Device on Analog Heaters 22
Wiring 22
Heater Settings 22
Installing a Remote Control
Device on Digital Heaters 22
Wiring 22
Heater Settings 22
CONTENTS