User's Manual

Installation Guide
page 26 18-HD72D1-1
5.3.7 Advanced Settings — Lockouts
MENU ITEM OPTIONS [DEFAULT] DESCRIPTION
Auxiliary Heat Lockout [Disable], Enable
Enable auxiliary heat lockout (10° minimum separation when enabling
auxiliary heat lockout and compressor heat lockout)
Auxiliary Heat Lockout 32°F - 70°F Degrees [45°]
Select an outdoor temperature to prevent auxiliary heat above the selected
outdoor temperature
Compressor Lockout [Disable], Enable
Enable compressor heat lockout (10° minimum separation when enabling
auxiliary heat lockout and compressor heat lockout)
Compressor Lockout 5°F - 35°F Degrees [30]
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, W2 and W3 (only applicable
when indoor heat is electric or hydronic)
Defrost Heater Balance Point (W1) 40°F - [55°F]
Select an outdoor temperature to disallow 1st, 2nd and 3rd stage of indoor
heat during defrost above this temperature
Defrost Heater Balance Point (W2) [Disable], Enable
Enable defrost heater balance point for W1 and W2 (only applicable when
indoor heat is electric or hydronic)
Defrost Heater Balance Point (W2) 10°F - 50°F [55°F]
Select an outdoor temperature to disallow 2nd and 3rd stage of indoor heat
during defrost above this temperature
Defrost Heater Balance Point (W3) [Disable], Enable
Enable defrost heater balance point for W3 only (only applicable when indoor
heat is electric or hydronic)
Defrost Heater Balance Point (W3) [5°F] - 35°F
Select an outdoor temperature to disallow 3rd stage of indoor heat during
defrost above this temperature
Compressor Cooling 1st Stage Lockout [Disable], Enable Enable compressor cooling 1st stage lockout
Compressor Cooling 1st Stage Lockout 80°F - [120°F]
Select an outdoor temperature to force the system to 2nd stage compressor
cooling
Compressor Heating 1st Stage Lockout [Disable], Enable Enable compressor heating 1st stage lockout
Compressor Heating 1st Stage Lockout 0°F - [50°F]
Select an outdoor temperature to force the system to 2nd stage compressor
heating
Furnace Heating 1st Stage Lockout [Disable], Enable Enable furnace heating 1st stage lockout
Furnace Heating 1st Stage Lockout 0°F - [50°F]
Select an outdoor temperature to force the system to 2nd stage furnace
heating
5.4 Reminders
5.5 Dealer Code