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Table 2. Terms and Definitions
Term Description
Broadband Modem
• A broadband modem is typically used to connect the home
LAN router to high-speed Internet services from an ISP.
• • Modems are available to match the various physical
connection technologies used by ISPs -- fiber optic, TV cable,
xDSL, mobile broadband (AirCard, etc.), and so on.
• • A broadband modem can be a stand-alone device that
connects via Ethernet cable to the router of a home local area
network. Or, it can be built into the router of the home local
area network.
Business network
The wireless network present in the business. A business network
is usually 802.11g and/or 802.11n, and is typically connected to
the Internet through a router. If the business network is 802.11b
only (this is rare), special considerations apply*.
Central Hub
• The processor and Central for the iCON thermostat system.
• • The Central Hub controls installed HVAC components in the
business that is connected to it via wires.
• Central Hub network capabilities allow it to connect to
802.11b*/g/n business networks, and through that network,
connect to the Internet.
• • A Central Hub can create or join a special Lennox-managed
local network between iCON devices over the business Wi-Fi
network and/or over the Central Hub Wi-Fi network.
Central Hub Wi-Fi Network
• Special Lennox ad hoc (peer-to-peer P2P) wireless physical
network operated by a Central Hub.
• Wi-Fi direct: the devices allow for Wi-Fi direct communications
which interfaces between Central phones and Central Hubs of
other systems.
iCON Firmware
iCON system hardware stores software code in non-volatile
memory that gives the system its personality and tells it how to
operate the attached HVAC equipment.
This software includes code that can be considered to be
operating systems for the Local Display and Central Hub, and
applications that implement the functionality of the system.
iCON firmware stored in the iCON system hardware can be
updated to modify the current system operation and to add new
features to the iCON system:
•
Remotely from the Lennox iCON cloud servers through the
Internet, provided the iCON is connected to the network and
the network is connected to the Internet.
• Locally through a USB flash drive plugged onto the USB port
on the side of the Central Hub.
No hardware changes are needed when new functions are added
through a software update.
Table 2. Terms and Definitions
Term Description
iCON Hardware
An iCON system consists of the following hardware:
• Central Hub
• Mag-Mount
• Local Display
Each hardware item is a small computer that has an internal
processor that executes stored software code to perform its
tasks.
This software code can be easily updated to modify current iCON
system functions and to add new functions to the installed iCON
hardware without changing any hardware.
Ethernet
• Ethernet (802.3) is the most common networking technology
for wired local area networks.
• Typical home Ethernet LANs use four twisted pairs of wires in
a cable of type Category 5, Category 5e, or Category 6 (Cat
5, Cat 5e, or Cat 6).
• Most home Ethernet LANs run at 100 MBits/sec (100 BASE-
TX) and/or 1 GBit/sec (1000BASE-T). Devices of both speeds
can coexist on the same LAN without limiting the speed of
faster devices.
Local Display
• The LCD tablet-like display for the thermostat system.
• The Local Display sits on the Mag-mount, and shows system
status and receives user control input through a touch screen
interface.
• All user input collected by the Local Display is sent to the
Central Hub for processing.
• All screen data shown by the Local Display is received from
the Central Hub.
Internet Service Provider
or ISP
• An Internet service provider (ISP)i s an organization that
provides access to the Internet. While an ISP may also
provide email, web hosting, and related services, its main
service is a (usually high-speed) connection between the
customer’s router and the Internet.
Lennox iCON Thermostat
(Central Hub Thermostat)
• The Lennox iCON System Thermostat is a thermostat and
HVAC control system consisting of a Central Hub, a Mag-
Mount, an Local Display, and an I/O Board.
• The Central Hub uses wired connections to control RS-Bus-
communicating HVAC components.
• The Central Hub uses a network connection to the RTUs and
Building Automation. Once connected, multiple RTUs can be
seen and controlled by a single Central Hub.
• Once connected to the local network, iCON systems connect
to Lennox iCON Remote Facilities Portal via the Internet and
can be remotely accessed and controlled by the business
owner or installer through a computer.
Lennox-Managed Local
Network
A Lennox-managed local network is independent of the means of
transport -- it can operate over the business Wi-Fi network or over
the Central Hub Wi-Fi network.