Smart Appliances Guide
3-6
n
Connected Smart Appliances - Gen III
PARTS & ASSEMBLIES
Human Machine Interface (HMI)
The HMI is the electronic control that manages the appliance’s
cycle selecon, opons, sengs. Also, known as the User
Interface or UI.
n Varies across product categories and models
n Connect buon provides inial connecon to access point
n Connect buon provides Override feature
n Smart Delay LED indicates status of energy demand
n Smart Grid Status LEDs indicate O-peak energy demand or
Peak energy demand.
• Blue = O-peak pricing
• Amber = Peak pricing
For Service Technician Use Only
Appliance Control Unit (ACU)
The ACU is the electronic control that manages the appliance’s
loads and in some cases the Human Machine Interface (HMI).
Also, known as Control Board, Main Control, CCU, Central
Control Unit, Cycle Control Unit, etc.
n Varies across product categories and models
F
Connected Smart Appliance Components
(Washer Example)
Figure 7 - Example of Connected Appliance Components
Power Management
Board
Human Machine
Interface (HMI)
WiFi Processor
Module
Appliance Control
Unit (ACU)
Current Transformer
J1
J4
J3
J3
J2
J18
J12
J6
J1 J5
Console