XL 1050
18-HD80D1-6E-EN 15
5.3.8 Group 7* - Lockout Settings
* If Zoning is enabled, this group will be called Group 8.
An Outdoor Temperature Sensor must be enabled for Lockout settings to be selectable.
MENU ITEM
OPTIONS
[DEFAULT]
DESCRIPTION
Quiet Mode [Disable], Enable
Enables the installer to limit system operation (heating and cooling mode)
to meet local daytime and nighttime sound requirements, if necessary.
Auxiliary Heat Lockout [Disable], Enable
Enable auxiliary heat lockout (10° minimum separation when enabling
auxiliary heat lockout and compressor heat lockout)
Auxiliary Heat Lockout Setting
32°F - 70°F Degrees
[45°F]
Select an outdoor temperature to prevent auxiliary heat above the
selected outdoor temperature
Compressor Heat Lockout [Disable], Enable ④
• Enable compressor heat lockout (10° minimum separation when
enabling auxiliary heat lockout and compressor heat lockout)
• When Enabled, another setting appears: Compressor Heating
(Auto OR Manual). 4 If Manual is selected, you can manually select
values. If Auto is selected, then a series of questions appear to
help you determine the most efficient switchover point.
Compressor Heat Lockout Setting
5°F - 70°F Degrees
[30°F]
Select an outdoor temperature to prevent compressor heating below the
selected outdoor temperature
Defrost Heater Balance Point (W1) [Disable], Enable
Enable defrost heater balance point for W1 (only applicable when indoor
heat is electric or hydronic)
Defrost Heater Balance Point (W1) Setting 40°F - [55°F]
Select an outdoor temperature to disallow 1st stage of indoor heat during
defrost above this temperature
Defrost Heater Balance Point (W2) [Disable], Enable
Enable defrost heater balance point for W2 (only applicable when indoor
heat is electric or hydronic)
Defrost Heater Balance Point (W2) Setting 10°F - 50°F [55°F]
Select an outdoor temperature to disallow 2nd stage of indoor heat
during defrost above this temperature
Defrost Heater Balance Point (W3) [Disable], Enable
Enable defrost heater balance point for W3 (only applicable when indoor
heat is electric or hydronic)
Defrost Heater Balance Point (W3) Setting [5°F] - 45°F
Select an outdoor temperature to disallow 3rd stage of indoor heat
during defrost above this temperature
Compressor Cooling 1st Stage Lockout ① [Disable], Enable Enable compressor cooling 1st stage lockout
Compressor Cooling 1st Stage Lockout Setting ① 80°F - [120°F]
Select an outdoor temperature to force the system to 2nd stage
compressor cooling
Compressor Heating 1st Stage Lockout ①② [Disable], Enable Enable compressor heating 1st stage lockout
Compressor Heating 1st Stage Lockout Setting ① 0°F - [50°F]
Select an outdoor temperature to force the system to 2nd stage
compressor heating
Furnace Heating 1st Stage Lockout ①③ [Disable], Enable Enable furnace heating 1st stage lockout
Furnace Heating 1st Stage Lockout Setting ① 0°F - [50°F]
Select an outdoor temperature to force the system to 2nd stage furnace heating
① This feature is not available when zoning is enabled
② This feature is not available if Compressor Heat Lockout is enabled
③ This feature is not available if Aux Heat Lockout is enabled
④ See the “Dual Fuel Calculator” table for additional options when Enabled
Dual Fuel Calculator
SETTING OPTIONS DESCRIPTION
Select the type of Auxiliary (Back-up) Heat
Installed
Gas Furnace, Oil Furnace Select your indoor heat type
Enter electricity cost in $/kwh Electricity Cost
Enter what you currently pay per kilowatt of electricity (see most
current electric bill for current rate)
Select Gas Option
Natural Gas $/therm, Natural
Gas $/MCF, Natural Gas $/Gal
Enter what you currently pay for natural gas (see most current gas
bill for current rate)
Choose the furnace AFUE rating 78 – 98
Enter the AFUE rating of the installed furnace (If not known,
estimate based on the age of the furnace and the venting type.
90% - 98% for furnaces vented with PVC vent, 80% for motor
assisted vented furnaces with double-wall metal vent and 50% -
60% for natural draft furnaces.)
Choose the Heat Pump HSPF rating 7.7 – 12
Enter the HSPF rating of the installed heat pump. (see AHRI
ratings)
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