Raypak 8450 Series User Manual

Catalog No. 6000.56C Effective: 01-12-18 Replaces: 11-20-17 92-105917-01-04
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.
Heat Pump
Pool & Spa
Heater
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.
Model Series
2450, 3450, 4450,
5450, 6450,
6450PD, 6450HC,
8450 & 8450HC
INSTALLATION AND
OPERATION MANUAL

Raypak 8450 Series Specifications

General

Brand	Raypak
Model	8450 Series
Category	Heat Pump
Language	English

Summary

Installation and Operation Manual

Safety Warnings and Precautions

Hazard Indicator Definitions

Pool and Spa Safety Guidelines

Provides critical safety advice for water temperature, alcohol, pregnancy, and health conditions.

Introduction and Installation Basics

Installation Considerations and Clearances

Details site selection, clearance requirements, and base design for proper unit installation.

Electrical and Water Connections

Electrical Power Requirements and Wiring

Specifies wire sizes, lengths, and connection requirements based on model.

Water Connection Procedures

Guides on connecting water lines, including INLET/ENTREE and OUTLET/SORTIE.

Control Modes and Menus

User Modes for Operation

User Menu Control Settings

Time, Temperature, and Pump Period Settings

Installer/Service Menu Configurations

HEAT ONLY Configuration Settings

Lists installer-specific settings for HEAT ONLY models, including pump and valve control.

POWER DEFROST Configuration Settings

Details installer settings for POWER DEFROST models, covering pump periods, speeds, and valve positions.

HEAT/COOL Configuration Settings

Outlines installer-specific settings for HEAT/COOL models, including remote pool and pump operations.

Compressor Protection and Defrost

Defrost Operation Modes

Digital Control Operation and Modes

Setting Temperatures and Operating Modes

Troubleshooting Guide

Routine Maintenance Procedures

Outlines essential maintenance tasks like cleaning coils and drain holes.

Troubleshooting Unit Operation Issues

Provides initial steps for diagnosing issues like the unit not heating or running.

Troubleshooting Status and Error Messages

Operational Status Messages

Lists and explains common status messages displayed by the control.

Error Message Diagnosis and Resolution

Details error messages, their descriptions, and recommended troubleshooting steps.

Service and Support Information

Service Call Verification and Component Access

Plumbing and Wiring Diagrams

Plumbing Schematic - No External Bypass

Plumbing Schematic - External Bypass

Pool Piping Recommendations

Piping for Multiple Heat Pumps

208V/230V Single-Phase Wiring Diagram

Detailed diagram showing electrical connections for digital models.

Remote Control Integration

Installing Automation Controllers

Sensor Resistance Values

10K and 100K Sensor Resistance Tables