A.O. Smith PHPT-80 User Manual

1

A.O. Smith – Voltex™

Hybrid Electric

Heat Pump Water Heater

To obtain technical, warranty or service assistance during or after 

the installation of this water heater, call toll free 

1. Model number

2. 7 Digit product number

3. Serial number

4. Date of installation

5. Place of Purchase

Water Heater Safety  ...............................................................................  2

Installing Your Water Heater  ................................................................. 3-9

 

Consumer Information  ................................................................ 3

 

Consumer Responsibilities  ......................................................... 3

 Unpacking 

Instructions 

 

............................................................ 3-4

 

Location Requirements  ............................................................... 4

 

Water System Piping ................................................................ 5-6

 

Temperature & Pressure Relief Valve ....................................... 7-8

 

Electrical Requirements  ........................................................... 8-9

Installation Checklist  .............................................................................. 10

Operating Your Water Heater  ........................................................... 11-13

 

Before Using  ............................................................................. 11

 

Water Temperature Regulation  ................................................. 11

 

Adjusting the User Interface Module/ Operational Mode  .......... 12

 

Operational Conditions  ............................................................. 13

Maintenance of Your Water Heater  .................................................. 14-15

 

Temperature and Pressure Relief Valve .................................... 14

 

Draining and Flushing ................................................................ 14

 

Heating Element Replacement ............................................. 14-15

 

Cleaning the Heat Pump ........................................................... 15

Diagnostic Codes  .................................................................................. 16

Troubleshooting Chart  ........................................................................... 17

Repair Parts Illustration  ......................................................................... 18

Notes...  .............................................................................................. 19-20

318257-000

February 2010