- 6 -
The Smart Hub may be relocated to a new location to obtained a stronger Wi-Fi signal connection to the
home wireless router. The Smart Hub may be place anywhere in the home as long as wiring can be run to
it.
S
Router Signal Strength (RSSI)
The ideal signal strength range for the iComfort
®
S30 is -1 to -69 RSSI. The signal strength can be viewed
from the thermostat interface. Use steps 1
1. Press NETWORK SETTINGS; this screen shows a graphical view of buttons representing Wi-Fi op
tions OPEN and SECURE wireless networks and a button for adding a network.
2. Select the access point that has already been establish and connected too. When selecting the info
icon, a screen will appear which will display an option to forget the network and IP address assigned
to the iComfort
®
S30 by your router, sub-net mask, router, DNS and RSSI. The RSSI signal strength
is anywhere between -1 to -69, then the signal strength is sufficient. If outside this range, the either
locate the router closer to the thermostat or add a repeater.
✔
Home Network . . . . . . . . . . . . . . . . . . . . . . . . .
IP address
192.168.1.4
. . . . . . . . . . . . . . . .
subnet mask
255.255.255.0
. . . . . . . . . . . . .
router
DNS
RSSI
-40
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
i
forget this network
Figure 2. Verifying Signal Strength
1.5. Electrical Voltages:
S
Smart Hub Power In
: 24VAC typical (18VAC to 30VAC range) at 1 Amp maximum from indoor unit.
S
Smart Hub Power Out
: 12 VDC (± 0.25 V) at 1 A maximum to Mag-Mount / HD Display
S
Communication with Mag-Mount/HD Display
: Two-wire serial RS-485 interface, 3.3-V signaling, up to 400
feet to Mag-Mount (18 AWG wire).
1.6. Networking Multiple Smart Hubs (Single Smart Hub Group) — Thermostat software release 3.00):
S
If more than eight iComfort S30 Smart Thermostat HVAC are needed in a home, they can be segregated into
groups, with each group containing eight or less Smart Hubs.
n
Group 0
is for a stand-alone Smart Hub or there is not desired to connect to other Smart Hub on the local
Wi-Fi network.
n
Group 1
(
default
) is for homes with up to eight Smart Hubs and HD Displays that will communicate with
each other through the home wireless router. To change the Group ID, go to the
Dealer Control Center
and touch
equipment
. Under the
equipment list
touch
Smart Hub
. Scroll down to the end of the list on
the right side of the screen until you reach
Group ID
. Change the
Group ID
to the desire number.
n
Group 2
through
999
are for homes that require multiple Smart Hub groups consisting of up to eight Smart
Hubs per group.
S
Currently each individual Smart Hub group is completely isolated from other local Smart Hub groups even if they
are all using the small home Wi-Fi router. HD Displays in one group can only control and access information
within its own Smart Hub Group.
S
Selecting the home Wi-Fi network and entering the password must be repeated for each Smart Hub.
S
When a second Smart Hub within a single Smart Hub Group connects to the home Wi-Fi network, it will automati
cally connect to the first Smart Hub the home Wi-Fi network. This is true for any additional Smart Hubs added
as well.
