EcoNet UETST800SYS Guide D'utilisation page 30

AC/HP Settings
Installer Settings
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Resume Schedule
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Furnace AC/HP Thermostat
Air Handler Defaults
Home Away
Warning! These settings are to be used
by a qualified HVAC contractor ONLY
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AC/HP Settings
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Outside Unit Selection EcoNet (locked)
Resume Schedule
Var-Speed Clamp 75 75 7000
Cool Airflow Adjust None
Utility Input Enabled? No
Home Away
Heat Source No
Furnace Lock Out Above Disabled
Heat Pump Locked Out Below Disabled
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Go to Menu > Settings > Installer (tap and hold) > AC/HP.
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Outside Unit Selection – Chooses outdoor unit type:
• Non-communicating – Allows you to manually enter settings for your outdoor
unit. If "non-communicating" outdoor unit is selected, change
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the type (AC or HP), number of stages (1 or 2) and size (Tons) to match the
Outdoor Unit information.
• EcoNet (locked) – Displays "EcoNet" if a communicating EcoNet Enabled
outdoor unit is discovered. The selection cannot be changed (locked).
• None – Lets the system know that there is no outdoor unit present.
Note: Outside Unit Selection is only applicable for furnace installations.
Var-Speed RPM Clamp - Allows reduction of the maximum compressor speed.
Can be used to reduce outdoor unit operating noise or indoor blower airflow. This
will also reduce the operating capacity.
Cool/Heat Airflow Adjust – Controls airflow adjustment in cooling and heat
pump heating, None (default), High (+10%), Low (-10%).
Utility Input Enabled? – If the system is using a "load shedding" device
provided by the utility company set to 'Yes'. The device must be connected to
terminal U2 & U on the VSODU. Once the dry contacts are connected (non-
powered) between U2 and U, change the setting to 'Yes'. When set to 'Yes' the
system will not start the condenser when the connection from U2 to U is open.
Heat Source – Allows selection of using just the furnace, or heat pump, as the
sole heat source in a dual-fuel installation. If "Both" is selected, the system will
stage up and down normally using the heat pump for initial heat stages, and then
the furnace as auxiliary heat.
Furnace Locked Out Above – Select the outside temperature above which
the furnace or supplemental electric heat will not run when matched with a heat
pump. The default is disabled and the temperature can be adjusted
between 0-55°F.
Heat Pump Locked Out Below – Selects the outside temperature below
which the Heat Pump will not operate and your system will rely exclusively on
the furnace or auxiliary heat source. This should be determined by evaluating the
regions Heat Pump Balance point. If a non-communicating outdoor unit is paired
with a Econet enabled furnace an OAT sensor (RXGY-J02) or the Econet internet
sensor option must be used to lock out the heat pump when only furnace operation
is desired.
Note: A difference of two degrees will be enforced between the furnace and heat pump. Lockout
temperatures will be based off the outdoor temperature sensor connected to the outdoor unit and NOT off
the temperature provided under weather. In some instances internet connections may be intermittent and
an OAT sensor would be the most valid option.
EcoNet Smart Thermostat User Guide
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