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Limitations in software release 3.00):
From a single HD display, the following functions can not be controlled or viewed when interacting with other Smart
Hub within the same Smart Hub group.
S Away Mode
S Weather
S Date and Time
S Notifications
Advantages:
The isolation between groups may be used to good advantage if there is some compelling reason that an HD Display
in one part of the home should not be able to adjust the set point of a system elsewhere in the home. Assigning the
systems to two different Smart Hub Groups would allow this. An example of this might be to isolate the system in the
master suite or a guest bedroom from the HD Display in the children's area. The homeowner iComfort S30 mobile
application is able to see and interact with all Smart Hubs installed in the home even if they are spread among several
groups.
2. Mag-Mount
2.1. Mounting to 2x4 Electrical J-Box
2.1.1. Short Term Recommendation
Use Honeywell back plate from LPP store part # X5392.
2.1.2. Back plate - Long Term:
We will enlarge the existing back plate to cover 2”x 4” J box and replacement of larger stats with the iComfort
S30
2.1.3. Wiring Connections
2.1.3.1. Wire gauge and Maximum Run Length: The Smart Hub connects to the indoor unit through
common four-conductor thermostat wire. It receives 24VAC power from the indoor unit over two
wires and communicates with the indoor unit and the rest of the HVAC system through two differ
ent wires. Wiring from the Smart Hub to the indoor unit should be limited to 300 feet or less (for
18 AWG wire).
2.1.3.2. Mag-Mount to Smart Hub
Type
Mag-Mount
Terminal
Labels
Smart Hub
Terminal
Labels
Terminal Color Function
RS-485
+ +
Yellow
Two wire serial RS-485 interface,
3.3V signaling up to 400 feet.
- -
Green
24VAC
Power
A A
Red 24VAC RS-bus power input
B B Black 24VAC RS-bus common input
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