The AprilAire S86WMUPR Wi-Fi Programmable Thermostat
It takes Healthy Air control to a whole new level. Monitoring and controlling your Indoor Air Quality is a breeze with features like automatic humidifier and dehumidifier control, automatic air cleaning, and temperature control. With the AprilAire Healthy Air App, you can achieve control from the palm of your hand, no matter where you are.
Features:
- Color Graphical Display
- Real Language Setup
- Capacitive Touch Interface
- Programmable & Non-Programmable
- Dual Fuel Capable
- Air Filter & HVAC Service Reminders
- High & Low Balance Point With Outdoor Temperature Sensor
Environmental Specifications:
- Operating Temperature: 32 to 120F (0 to 48.9C)
- Operating Humidity: 5% to 90% Relative Humidity
- Electrical Operating Voltage: 24VAC (18-30VAC)
- Current – Maximum: 2.5A (total), 1.0A (single output)
- Thermal: Display Range Room Temperature: 32 to 99F (0 to 40C)
- Outdoor Temperature: -40 to 130F (-40 to 55C)
- Setpoint Range: Heat: 40 to 90F (4 to 32C)
- Cool: 50 to 99F (10 to 37C)
Wiring Terminals:
RH RC W Y G C O/B L W2 Y2 T1 T2 I2 I1
Easy to Program:
- Best in class schedule setup is more intuitive for homeowners leading to fewer call backs
- Individual days, weekdays, weekends, or 7-day programmability
- Convenient Heat Blast® option to raise room temperature 3 to 5F
- Programmable fan control with fan circulation mode
- Progressive recovery ensures proper temperature at the start of a program event
Add On Accessories:
- Z10IDT Wireless Indoor Temperature and Humidity Sensor
- Z10ODT Wireless Outdoor Temperature and Humidity Sensor
- 8052 Outdoor Temperature Sensor
- 8086 Wall Cover
- 8022 Add-a-Wire Adaptor
Product Dimensions:
-
4.38" x 4.38" x 0.80"
Understanding the S86 W's Advanced Capabilities
Dual Fuel Capability: A Key Differentiator
One of the S86 W's most technically significant features is dual fuel (hybrid) capability, which allows it to intelligently manage a home heated by both a heat pump and a gas or oil furnace. Using the High & Low Balance Point with Outdoor Temperature Sensor, the thermostat automatically determines when it's more efficient to run the heat pump versus switching to furnace heat, based on real outdoor temperature readings rather than a fixed schedule. This is the same type of hybrid heating logic used with heat pump systems like the Trane XV18 or American Standard AccuComfort Platinum — this thermostat is what actually executes that automatic switchover.
Progressive Recovery: Comfort Timed to Your Schedule
Rather than waiting until a scheduled event time to begin adjusting temperature, Progressive Recovery calculates how long your specific HVAC system needs to reach the target temperature and starts the process in advance — so your home is already at the desired temperature by the time your schedule calls for it, not just starting to get there.
Built-In Maintenance Reminders
The S86 W includes air filter and HVAC service reminders, which help prevent a common and often overlooked cause of reduced system efficiency and premature equipment wear: a forgotten filter change or missed seasonal maintenance. These reminders shift maintenance from "if you remember" to a built-in prompt from the thermostat itself.
Flexible Wiring for Complex Systems
With wiring terminals supporting RH, RC, W, Y, G, C, O/B, L, W2, Y2, T1, T2, I2, and I1 configurations, the S86 W is built to handle more complex HVAC setups than basic thermostats — including multi-stage heating/cooling, humidification/dehumidification equipment, and dual-fuel systems — rather than being limited to a single-stage furnace and AC.
Expandable with Wireless Sensors
The available accessory ecosystem lets you extend the thermostat's monitoring beyond its wall-mounted location:
- Z10IDT — wireless indoor temperature and humidity sensor for monitoring specific rooms
- Z10ODT — wireless outdoor temperature and humidity sensor for more accurate balance-point calculations
- 8052 — a wired outdoor temperature sensor alternative
- 8022 Add-a-Wire Adaptor — useful for older homes with limited existing thermostat wiring
- 8086 Wall Cover — for covering marks or damage left by a previous thermostat during replacement
Technical Specifications at a Glance
| Parameter | Range |
|---|---|
| Operating temperature | 32–120°F |
| Operating humidity | 5–90% RH |
| Electrical voltage | 24VAC (18–30VAC) |
| Heat setpoint range | 40–90°F |
| Cool setpoint range | 50–99°F |
| Outdoor sensor range | -40 to 130°F |
Is the S86 W the Right Fit for Your Home?
This thermostat is best suited for:
- Homes with dual fuel (heat pump + furnace) hybrid heating systems requiring automatic balance-point switching
- Households with whole-home humidifiers or dehumidifiers that benefit from integrated automatic control
- Homeowners who want maintenance reminders built directly into their thermostat rather than tracking service schedules separately
- Homes needing a thermostat compatible with complex, multi-stage HVAC wiring beyond basic single-stage setups
Professional Installation Matters
Given the number of wiring terminals and the dual-fuel balance point logic this thermostat supports, correct installation is essential to unlock its full functionality. Our licensed technicians will:
- Confirm compatibility with your specific heating/cooling/humidification equipment
- Complete full wiring, including any dual-fuel or multi-stage connections
- Install and calibrate the outdoor temperature sensor for accurate balance-point switching
- Configure the AprilAire Healthy Air App for remote access and monitoring
- Set up air filter and service reminders tailored to your equipment's maintenance schedule
Frequently Asked Questions
Do I need a heat pump and furnace both installed for dual fuel mode to work?
Yes — dual fuel/balance point functionality specifically requires both a heat pump and a compatible furnace; it won't apply to single-system setups.
Can this thermostat control a whole-home humidifier and dehumidifier at the same time?
Yes, with appropriate wiring, the S86 W supports automatic control of both, working alongside its temperature management functions.
Is the outdoor temperature sensor required, or optional?
An outdoor sensor (wired 8052 or wireless Z10ODT) is required for dual fuel balance point functionality to operate accurately; without it, that specific feature won't be available.
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