Table of Contents
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INSTALLATION AND
OPERATION MANUAL
Heat Pump
Pool & Spa
Heater
Model Series
2450, 3450, 4450,
5450, 6450,
6450PD, 6450HC,
8450 & 8450HC
FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and
liquids or other combustible materials in the vicinity of this or any other appliance.
To do so may result in an explosion or fire.
NOTE: The instructions in this manual are for the use of qualified individuals specially trained and experienced
in the installation and maintenance of this type of equipment and related system components. Installation and
service personnel are required by some states to be licensed. Persons not qualified shall not attempt to install,
service, or maintain this equipment.
This manual should be maintained in legible condition and kept adjacent to the heat pump pool heater or in a
safe place for future use.
Catalog No. 6000.56C
Effective: 01-12-18
Replaces: 11-20-17
92-105917-01-04
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Table of Contents
Related Manuals for Raypak 8450 Series
Summarization of Contents
Unit Registration and Information
Warranty Registration Process
Guide to registering your unit for warranty protection and providing necessary owner details.
Water Chemistry Guidelines
Recommended Water Balance Levels
Table detailing ideal levels for pH, alkalinity, hardness, salt, chlorine, and TDS for pool and spa water.
Safety Warnings and Precautions
Hazard Identification Terms
Definitions of DANGER, WARNING, CAUTION, and NOTE to understand safety alerts.
Water Temperature and Chemical Safety
Guidelines on safe spa water temperatures and avoiding chemical damage to the heater.
Introduction to the Heat Pump Pool Heater
Installation Considerations and Clearances
Essential guidelines for proper unit placement, clearances, and base requirements for safe installation.
Electrical and Water Connections
Electrical Connection Requirements
Details on wiring, circuit breaker sizing, and flexible conduit requirements for electrical hookup.
Water Connection Procedures
Instructions for connecting the unit's inlet and outlet, emphasizing correct orientation and chemical feeder placement.
System Pressure and Control Display
Pressure Drop Across the Heater
Table showing pressure drop values for different flow rates across various model series.
HPPH Digital Control Display Overview
Explanation of the control panel's display, buttons, and basic operation for setting temperature and modes.
User Control Modes and Operation
Selecting Operating Modes (Pool/Spa)
How to navigate and select modes like Pool Heat, Spa, Timed Spa, and Cool for different unit types.
Adjusting Temperature Setpoints
Step-by-step guide on using buttons to increase or decrease pool and spa temperature setpoints.
Installer/Service Menu Configuration
HPPH Control Menu Structure Overview
Overview of the control menus, including user and installer/service options, and model type configurations.
User Menu Control Settings
Settings for current time, temperature units (°C/°F), and maximum spa/pool temperatures, pump schedules, and speeds.
Installer/Service Menu: Heat Only Configuration
Detailed settings for pump periods, on/off times, speeds, and 3-way valve positions for Heat Only models.
Installer/Service Menu: Power Defrost Configuration
Detailed settings for pump periods, on/off times, speeds, and 3-way valve positions for Power Defrost models.
Installer/Service Menu: Heat/Cool Configuration
Detailed settings for pump periods, on/off times, speeds, and 3-way valve positions for Heat/Cool models.
System Sensors and Advanced Settings
Viewing Sensor Readings and Voltage
Accessing and understanding sensor data (coil, ambient, suction, water) and system voltage.
Installer Menu Configuration Options
Settings for pump operation mode, pump heat, valve operation, and auxiliary modes.
Defrost and System Protection Settings
Parameters for defrost termination, deadband, and outside temperature lockout for unit protection.
Control Features and Operation
Temperature Control and Setpoint Adjustment
How the control manages pool/spa temperature and demand based on setpoints.
Additional Control Features Explained
Details on pump control, low ambient lockout, control lock box, and auxiliary (AUX) mode functions.
Operational Modes and System Monitoring
Understanding Pool/Spa Operating Modes
Descriptions of Remote Pool, Pool Heat, Pool Cool, Pool Auto, and Timed Spa modes for user operation.
Monitoring Fault History and Run Hours
Accessing and interpreting fault logs and unit operational statistics like run hours and cycles.
Component Operation and Valve Control
Compressor Protection and Defrost Logic
Explanation of compressor start delay, minimum run time, and the different defrost operation algorithms.
3-Way Valve Control Logic
How the control manages 3-way valves for pool/spa selection based on demand and pump schedules.
System Switches and Sequence of Operation
Water Pressure Switch Functionality
The role of the water pressure switch in controlling valve operations and compressor run.
Initial Power-Up and Control Setup
Steps involved in the initial power-up sequence, setpoint reading, and unit type configuration.
Digital Control Operations and Heat/Cool Modes
Operating the Digital Control Interface
Instructions for navigating menus, adjusting temperatures, and selecting units (°C/°F) on the control panel.
Heat/Cool Mode Operation Details
How the unit operates in heating and cooling modes, including efficiency tips and discharge air temperature expectations.
System Start-Up and Seasonal Procedures
Performing System Start-Up Checks
Verifying digital board display, pump operation, water circulation, and discharge air temperature.
Seasonal Maintenance and Protection
Procedures for seasonal start-up, annual checks, summer shutdown, and freeze protection including system drain-down.
Maintenance and Troubleshooting Guide
Routine Maintenance Procedures
Steps for cleaning the air coil, cabinet care, and ensuring condensation drain holes are clear.
Troubleshooting Common Operational Issues
Guidance on diagnosing problems like unit not heating, not running, or excessive condensation.
Operational Status and Error Messages
Understanding Operational Status Messages
Table detailing common status messages like Comp Start Delay, Heating, Cooling, and their recommended actions.
Interpreting Error Messages and Faults
List of error messages, their descriptions, and troubleshooting steps for sensor failures, lockouts, and control faults.
Service and System Verification
Service Call Verification Checklist
Information required before calling service, including model number and operational checks.
Accessing Internal Components for Service
Step-by-step instructions for removing the control panel cover to access internal heater components.
Plumbing Diagrams and Schematics
No External Bypass Plumbing Schematic
Diagram illustrating water flow and connections for systems without an external bypass valve.
Wiring Diagram Details
208V/230V Single-Phase Digital Model Wiring
Detailed wiring diagram for single-phase digital control models, including legend and notes.
Remote Control Integration and Automation
Installing Automation Controller Connections
Instructions for wiring 2-wire and 3-wire automation controllers to the heat pump for remote operation.
Sensor Resistance Value Charts
10K and 100K Sensor Resistance Tables
Tables correlating temperature readings with resistance values for 10K and 100K sensors used in the unit.
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