Conguring the Installer Settings
Installer Settings let you congure the settings related
to the various devices (such as a furnace, air conditioner,
humidier, dehumidier or ventilator) that are connected
to the Equipment Interface.
To prevent accidental modications to these settings
you can enable a 4-digit installer code. This code is
pre-programmed to 3262 and can be enabled in the
Thresholds option menu.
Installation Wizard
The Installation Wizard takes you step-by-step through
a series of choices regarding the heating and cooling
equipment intended to be connected to the Equipment
Interface. Simply make the selections when prompted
on the screen and press Next to advance to the next
screen. Once completed you will be shown a diagram of
the wiring connections that reects the choices made
during the wizard process. You can press Back to go back
and make any changes. Once you are satised with the
setup, press Done.
Equipment
In addition to the Installation Wizard, the equipment
setting will allow you to manually congure the various
devices that are connected to the Equipment Interface.
Heat Pump
This section allows you to enable and congure up to
a 2 stage heat pump. If a second stage is required you
must congure an Accessory relay to control that stage
Geothermal/Ground Source Heat pump If you select
Yes, this tells the system a geothermal or ground source
heat pump is being controlled. This helps the Ther-
mostat determine optimum performance and default
settings. If you select NO, the system will optimize for an
air-to-air heat pump.
O/B Energize on Cool If you choose Yes, the reversing
valve output (O/B terminal) will activate when there is a
call for cooling. If you select No, the relay will energize
when there is call for heat.
21 System Set-Up
Min Cycle O Time Enables you to congure the
compressor o time between cycles. This is adjustable
from 240 - 900 Seconds.
Min Outdoor Temp Allows you to set the minimum
outside air temperature at which the compressor will
be disabled. This performs two functions: You can set
it to prevent the compressor from going on when
the outdoor temperature is too low, thus resulting
in damage to the compressor. You can also set this
value to determine when you want the auxiliary heat
(if installed) to help meet the set temperature. The
temperature range is adjustable from 0°F (-17.8°C) - 65°F
(18.3°C) or can be completely disabled. You will need an
internet connection for this feature to operate properly.
Allow Heat Pump/Auxiliary Heat to Run Simultaneously
If you select Yes and there is a source of auxiliary heat,
both auxiliary heat and heat pump will turn on. The
heat pump will be energized for the rst 30 minutes. If,
after 30 minutes, the set point has not been met, the
auxiliary heat will be called to assist the heat pump in
meeting the load.
If you select No, the heat pump will be activated for up
to 2 hours. If after 2 hours the set point has not been
met, the Thermostat will shutdown the heat pump and
call on the auxiliary heat to meet the set point. This
option should also be used for installation where the
heat pump evaporator coil is downstream from the
source of auxiliary heat.
Furnace (Auxiliary Heat)
Allows you to enable and congure up to a 3-stage
conventional heat source. If you have selected heat
pump as your primary source, this feature will allow you
to congure the auxiliary heat connected to the system.
Furnace Type Allows you to congure the type of
furnace connected. This allows the Thermostat to
optimize its algorithms based on the type of fuel and
typical characteristics of the chosen system. Choose
the option that best represents the type of heating
system installed.
To configure the installer
settings:
From the Home
screen, press More.
Press Settings and
select Installation
Settings
System Set-Up 22
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