TH5220D - Setup Options

• 0 = Gas, oil or electric heat with air conditioning
• 1 = 1 heat/1 cool heat pump
• 2 = Heat only (2-wire systems/power to open & close zone valves/normally open zone valves)
• 3 = Heat only with fan
• 4 = Cool only
• 5 = 2 heat/1 cool heat pump
• 6 = 2 heat/2 cool conventional
• 7 = 2 heat/1 cool conventional
• 8 = 1 heat/2 cool conventional

• 0 = Changeover valve (O/B terminal energized in cooling)
• 1 = Changeover valve (O/B terminal energized in heating)

Fan Control

• 0 = Gas or oil furnace — equipment controls fan in heating
• 1 = Electric furnace — thermostat controls fan inheating

Heat Cycle Rate

• 5 = For gas or oil furnaces of less than 90%efficiency
• 1 = For steam or gravity systems
• 3 = For hot water systems & furnaces of over 90% efficiency
• 9 = For electric furnaces
• [Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]

• 5 = For gas or oil furnaces of less than 90%efficiency
• 1 = For steam or gravity systems
• 3 = For hot water systems & furnaces of over 90% efficiency
• 9 = For electric furnaces
• [Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]

• 5 = For gas or oil furnaces of less than 90%efficiency
• 1 = For steam or gravity systems
• 3 = For hot water systems & furnaces of over 90% efficiency
• 9 = For electric furnaces
• [Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]

• 3 = Recommended for most compressors
• [Other cycle rate options: 1, 2, 4, 5 or 6 CPH]

• 3 = Recommended for most compressors
• [Other cycle rate options: 1, 2, 4, 5 or 6 CPH]

• 0 = Manual changeover (Heat/Cool/Off)
• 1 = Auto changeover (Heat/Cool/Auto/Off)
• 2 = Auto changeover only (Auto)

• 0 = Off
• 1 = On

• 0 = Fahrenheit
• 1 = Celsius

• 5 = Five-minute compressor off time
• [Other options: 0, 1, 2, 3 or 4-minute off time]

• 0 = 5/2 (Weekdays & Weekends)
• 1 = 5/1/1 (Weekdays, Saturday, Sunday)

Heat Stop

• 90 = Highest heating temperature setting
• 40-89 Heating temperature range (increments of 1°F, or 0.5°C)

Cool Stop

• 50 = Lowest cooling temperature setting
• 51-99 Cooling temperature range (increments of 1°F, or 0.5°C)