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Figure 5
Control Board Overview
Heat Pump Water Heater Control Board Overview:
The Control Board on the Heat Pump Water Heater monitors the complete heating system and reports any
errors through the User Interface Module (UIM). Based on the inputs from the sensors and/or the manual
inputs from the UIM, the Control Board determines which heating mode the unit should be in to reach the user
set-point.
Above, the Control Board is broken down into four (4) sections. The specifi cs of each section are explained in
greater detail in the following pages.