A.O. Smith 318257-000, PHPT-80

Contents

Main A.O. Smith Voltex Hybrid Electric Heat Pump Water Heater Installation Instructions and Use & Care Guide 1-800-527-1953 Table of Contents Page Your safety and the safety of others are very important. Important Safety Instructions WATER HEATER SAFETY INSTALLING YOUR WATER HEATER Consumer Information Consumer Responsibilities Basic Operation Fundamentals Unpacking the Water Heater Location Requirements Site location Water System Piping Piping Installation Condensate Drain Line Installation Closed System/Thermal Expansion Temperature/Pressure Relief Valve and Pipe Insulation Temperature and Pressure Relief Valve Electrical Requirements Connecting the Condensate Pump Over ow Shut Off Switch Insulation Blankets Water Heater Location Water System Piping INSTALLATION CHECKLIST Condensate Drain Line Installation Electrical Connections Post Installation Review OPERATING YOUR WATER HEATER Before Using Safety Shut-off (ECO) Water Temperature Regulation Adjusting the User Interface Module/Operational Modes Water Temperature Adjustment Operating Mode Descriptions Other Controls Operational Conditions Powered Anode Operation Water Heater Sounds Stacking MAINTENANCE OF YOUR WATER HEATER Temperature and Pressure Relief Valve Draining and Flushing Heating Element Replacement WARNING Cleaning the Heat Pump Air Filter Cleaning/Replacement Inspection/Cleaning of the Condensate Drain Pan & Condensate Drain Lines 16 DIAGNOSTIC CODES DISPLAY SHOWS INDICATES CORRECTIVE ACTION IMPORTANT: TROUBLESHOOTING CHART PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION REPAIR PART ILLUSTRATION REPAIR PARTS REPAIR PARTS LIST