American Water Heater HPE10260H045DV, HPE10280H045DV, RESIDENTIAL HYBRID ELECTRIC HEAT PUMP WATER HEATER Table of Contents

2
Introduction ............................................................................................................................................................3
Certifi cation and Approvals ....................................................................................................................................3
Tools Required.......................................................................................................................................................3
Terms, Defi nitions, and Formulas ..........................................................................................................................4
Safety Precautions ................................................................................................................................................5
Installation Check List............................................................................................................................................6
Potential Issues .....................................................................................................................................................7
Dry Fire Protection / Powered Anode Operation ...................................................................................................8
Water Piping System ............................................................................................................................................9
T&P Valve / Thermal Expansion .......................................................................................................................... 10
General Service / Preventive Maintenance ..........................................................................................................11
Operational Overview ..........................................................................................................................................12
Operating Your Heat Pump..................................................................................................................................13
Control Board Overview ......................................................................................................................................14
Control Board Section “A”....................................................................................................................................15
Control Board Section “B”....................................................................................................................................16
Control Board Section “C” ...................................................................................................................................17
Control Board Section “D” ...................................................................................................................................18
Wiring Diagrams .............................................................................................................................................19-20
Accessing Maintenance Display ..........................................................................................................................21
Element Test (Continuity Check) .........................................................................................................................22
Element Test (Ohm’s Check) ............................................................................................................................... 23
Heating Element Replacement ............................................................................................................................24
Energy Cutout (ECO) Troubleshooting ................................................................................................................ 25
Run Capacitor......................................................................................................................................................26
Powered Anode Replacement / Removing the Shroud .......................................................................................27
Component Check Flowcharts .......................................................................................................................28-31
Temperature Sensors ..........................................................................................................................................32
Resistance vs. Temperature Charts ....................................................................................................................33
R-134a Temperature Chart .................................................................................................................................. 34
Cleaning the Evaporator ......................................................................................................................................35
Common Service Problems ............................................................................................................................36-38
Fault Code Troubleshooting Guide ................................................................................................................. 39-44
Draining and Filling the Water Heater .................................................................................................................45
Condensate Pump ...............................................................................................................................................46
Parts List..............................................................................................................................................................47
Table of Contents